Rivside (Rivview Dr) CA, US: 33.999449, -117.415831
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 3, 2020, 3 p.m. | 7.9 ppb (7) | 1.7 ppb (2) | 8.7 ppb (8) | 6.0 ppb (6) | 7.3 ppb (7) | 0.0 ppb (0) | 31.0 ppb (24) | 0.16 ppb (2) | 31.0 μg/m3 (28) | 10.0 μg/m3 (42) | 42.0 | |
| April 3, 2020, 2 p.m. | 9.9 ppb (9) | 1.7 ppb (2) | 10.4 ppb (10) | 8.0 ppb (7) | 9.2 ppb (9) | 0.0 ppb (0) | 23.0 ppb (18) | 0.17 ppb (2) | 33.0 μg/m3 (30) | 8.0 μg/m3 (33) | 33.0 | |
| April 3, 2020, 1 p.m. | 8.7 ppb (8) | 0.7 ppb (1) | 9.7 ppb (9) | 8.0 ppb (7) | 9.4 ppb (9) | 0.0 ppb (0) | 24.0 ppb (18) | 0.16 ppb (2) | 28.0 μg/m3 (25) | 7.0 μg/m3 (29) | 29.0 | |
| April 3, 2020, noon | 5.7 ppb (5) | 0.3 ppb (0) | 7.2 ppb (7) | 5.0 ppb (5) | 7.1 ppb (7) | 0.0 ppb (0) | 31.0 ppb (24) | 0.14 ppb (2) | 29.0 μg/m3 (26) | 7.0 μg/m3 (29) | 29.0 | |
| April 3, 2020, 11 a.m. | 12.1 ppb (11) | 0.7 ppb (1) | 13.2 ppb (12) | 11.0 ppb (10) | 12.8 ppb (12) | 0.0 ppb (0) | 23.0 ppb (18) | 0.16 ppb (2) | 36.0 μg/m3 (33) | 16.0 μg/m3 (59) | 59.0 | |
| April 3, 2020, 10 a.m. | 8.4 ppb (8) | 0.4 ppb (0) | 9.1 ppb (8) | 8.0 ppb (7) | 9.1 ppb (8) | 0.0 ppb (0) | 26.0 ppb (20) | 0.14 ppb (2) | 26.0 μg/m3 (24) | 10.0 μg/m3 (42) | 42.0 | |
| April 3, 2020, 9 a.m. | 7.0 ppb (6) | 0.3 ppb (0) | 8.5 ppb (8) | 7.0 ppb (6) | 8.5 ppb (8) | 0.0 ppb (0) | 31.0 ppb (24) | 0.14 ppb (2) | 22.0 μg/m3 (20) | 8.0 μg/m3 (33) | 33.0 | |
| April 3, 2020, 8 a.m. | 6.4 ppb (6) | 0.3 ppb (0) | 7.5 ppb (7) | 6.0 ppb (6) | 7.4 ppb (7) | 0.0 ppb (0) | 31.0 ppb (24) | 0.14 ppb (2) | 29.0 μg/m3 (26) | 7.0 μg/m3 (29) | 29.0 | |
| April 3, 2020, 7 a.m. | 6.2 ppb (6) | 0.3 ppb (0) | 7.1 ppb (7) | 6.0 ppb (6) | 7.1 ppb (7) | 0.0 ppb (0) | 32.0 ppb (25) | 0.14 ppb (2) | 31.0 μg/m3 (28) | 9.0 μg/m3 (38) | 38.0 | |
| April 3, 2020, 6 a.m. | 7.6 ppb (7) | 0.3 ppb (0) | 8.0 ppb (7) | 7.0 ppb (6) | 8.0 ppb (7) | 0.0 ppb (0) | 30.0 ppb (23) | 0.16 ppb (2) | 27.0 μg/m3 (25) | 8.0 μg/m3 (33) | 33.0 | |
| April 3, 2020, 5 a.m. | 4.4 ppb (4) | 0.3 ppb (0) | 5.3 ppb (5) | 4.0 ppb (4) | 5.3 ppb (5) | 0.0 ppb (0) | 33.0 ppb (25) | 0.14 ppb (2) | 30.0 μg/m3 (27) | 7.0 μg/m3 (29) | 29.0 | |
| April 3, 2020, 4 a.m. | 3.9 ppb (4) | 0.3 ppb (0) | 4.8 ppb (4) | 4.0 ppb (4) | 4.8 ppb (4) | 0.0 ppb (0) | 35.0 ppb (27) | 0.15 ppb (2) | 31.0 μg/m3 (28) | 8.0 μg/m3 (33) | 33.0 | |
| April 3, 2020, 3 a.m. | 3.6 ppb (3) | 0.3 ppb (0) | 4.4 ppb (4) | 3.0 ppb (3) | 4.3 ppb (4) | 0.0 ppb (0) | 36.0 ppb (28) | 0.15 ppb (2) | 28.0 μg/m3 (25) | 7.0 μg/m3 (29) | 29.0 | |
| April 3, 2020, 2 a.m. | 3.7 ppb (3) | 0.3 ppb (0) | 4.5 ppb (4) | 3.0 ppb (3) | 4.4 ppb (4) | 0.0 ppb (0) | 38.0 ppb (29) | 0.14 ppb (2) | 31.0 μg/m3 (28) | 8.0 μg/m3 (33) | 33.0 | |
| April 3, 2020, 1 a.m. | 3.5 ppb (3) | 0.3 ppb (0) | 5.0 ppb (5) | 3.0 ppb (3) | 4.8 ppb (4) | 0.0 ppb (0) | 43.0 ppb (33) | 0.15 ppb (2) | 42.0 μg/m3 (38) | 10.0 μg/m3 (42) | 42.0 | |
| April 3, 2020, midnight | 3.4 ppb (3) | 0.4 ppb (0) | 5.3 ppb (5) | 3.0 ppb (3) | 5.1 ppb (5) | 0.0 ppb (0) | 48.0 ppb (37) | 0.18 ppb (2) | 37.0 μg/m3 (34) | 11.0 μg/m3 (46) | 46.0 | |
| April 2, 2020, 11 p.m. | 4.3 ppb (4) | 0.6 ppb (1) | 6.9 ppb (6) | 4.0 ppb (4) | 6.5 ppb (6) | 0.0 ppb (0) | 52.0 ppb (40) | 0.15 ppb (2) | 35.0 μg/m3 (32) | 11.0 μg/m3 (46) | 46.0 | |
| April 2, 2020, 10 p.m. | 5.2 ppb (5) | 0.9 ppb (1) | 8.0 ppb (7) | 4.0 ppb (4) | 7.3 ppb (7) | 0.0 ppb (0) | 49.0 ppb (38) | 0.14 ppb (2) | 37.0 μg/m3 (34) | 12.0 μg/m3 (50) | 50.0 | |
| April 2, 2020, 9 p.m. | 6.3 ppb (6) | 1.2 ppb (1) | 9.5 ppb (9) | 5.0 ppb (5) | 8.5 ppb (8) | 0.0 ppb (0) | 49.0 ppb (38) | 0.14 ppb (2) | 33.0 μg/m3 (30) | 12.0 μg/m3 (50) | 50.0 | |
| April 2, 2020, 8 p.m. | 7.0 ppb (6) | 1.5 ppb (1) | 9.6 ppb (9) | 5.0 ppb (5) | 8.3 ppb (8) | 0.0 ppb (0) | 46.0 ppb (35) | 0.15 ppb (2) | 29.0 μg/m3 (26) | 11.0 μg/m3 (46) | 46.0 | |
| April 2, 2020, 7 p.m. | 5.2 ppb (5) | 1.0 ppb (1) | 7.2 ppb (7) | 4.0 ppb (4) | 6.4 ppb (6) | 0.0 ppb (0) | 46.0 ppb (35) | 0.14 ppb (2) | 24.0 μg/m3 (22) | 9.0 μg/m3 (38) | 38.0 | |
| April 2, 2020, 6 p.m. | 4.1 ppb (4) | 1.0 ppb (1) | 5.8 ppb (5) | 3.0 ppb (3) | 5.2 ppb (5) | 0.0 ppb (0) | 42.0 ppb (32) | 0.14 ppb (2) | 20.0 μg/m3 (18) | 9.0 μg/m3 (38) | 38.0 | |
| April 2, 2020, 5 p.m. | 4.2 ppb (4) | 1.0 ppb (1) | 5.6 ppb (5) | 3.0 ppb (3) | 5.0 ppb (5) | 0.0 ppb (0) | 36.0 ppb (28) | 0.14 ppb (2) | 18.0 μg/m3 (16) | 7.0 μg/m3 (29) | 29.0 | |
| April 2, 2020, 4 p.m. | 4.8 ppb (4) | 1.0 ppb (1) | 5.9 ppb (5) | 4.0 ppb (4) | 5.1 ppb (5) | 0.0 ppb (0) | 33.0 ppb (25) | 0.14 ppb (2) | 23.0 μg/m3 (21) | 4.0 μg/m3 (17) | 25.0 | |
| April 2, 2020, 3 p.m. | 7.2 ppb (7) | 1.4 ppb (1) | 8.0 ppb (7) | 6.0 ppb (6) | 6.9 ppb (6) | 0.0 ppb (0) | 29.0 ppb (22) | 0.14 ppb (2) | 24.0 μg/m3 (22) | 5.0 μg/m3 (21) | 22.0 | |
| April 2, 2020, 2 p.m. | 8.7 ppb (8) | 1.1 ppb (1) | 9.7 ppb (9) | 8.0 ppb (7) | 9.0 ppb (8) | 0.0 ppb (0) | 25.0 ppb (19) | 0.15 ppb (2) | 26.0 μg/m3 (24) | 8.0 μg/m3 (33) | 33.0 | |
| April 2, 2020, 1 p.m. | 4.2 ppb (4) | 0.4 ppb (0) | 5.5 ppb (5) | 4.0 ppb (4) | 5.4 ppb (5) | 0.0 ppb (0) | 28.0 ppb (22) | 0.13 ppb (1) | 20.0 μg/m3 (18) | 8.0 μg/m3 (33) | 33.0 | |
| April 2, 2020, noon | 4.5 ppb (4) | 0.4 ppb (0) | 6.5 ppb (6) | 4.0 ppb (4) | 6.5 ppb (6) | 0.0 ppb (0) | 28.0 ppb (22) | 0.13 ppb (1) | 22.0 μg/m3 (20) | 9.0 μg/m3 (38) | 38.0 | |
| April 2, 2020, 11 a.m. | 4.1 ppb (4) | 0.4 ppb (0) | 5.7 ppb (5) | 4.0 ppb (4) | 5.7 ppb (5) | 0.0 ppb (0) | 25.0 ppb (19) | 0.13 ppb (1) | 24.0 μg/m3 (22) | 8.0 μg/m3 (33) | 33.0 | |
| April 2, 2020, 10 a.m. | 3.0 ppb (3) | 0.3 ppb (0) | 4.0 ppb (4) | 3.0 ppb (3) | 4.0 ppb (4) | 0.0 ppb (0) | 26.0 ppb (20) | 0.1 ppb (1) | 15.0 μg/m3 (14) | 6.0 μg/m3 (25) | 25.0 | |
| April 2, 2020, 9 a.m. | 3.1 ppb (3) | 0.3 ppb (0) | 4.4 ppb (4) | 3.0 ppb (3) | 4.4 ppb (4) | 0.0 ppb (0) | 26.0 ppb (20) | 0.13 ppb (1) | 22.0 μg/m3 (20) | 8.0 μg/m3 (33) | 33.0 | |
| April 2, 2020, 8 a.m. | 3.2 ppb (3) | 0.3 ppb (0) | 4.7 ppb (4) | 3.0 ppb (3) | 4.7 ppb (4) | 0.0 ppb (0) | 26.0 ppb (20) | 0.12 ppb (1) | 25.0 μg/m3 (23) | 8.0 μg/m3 (33) | 33.0 | |
| April 2, 2020, 7 a.m. | 3.9 ppb (4) | 0.4 ppb (0) | 4.8 ppb (4) | 4.0 ppb (4) | 4.8 ppb (4) | 0.0 ppb (0) | 26.0 ppb (20) | 0.14 ppb (2) | 19.0 μg/m3 (17) | 9.0 μg/m3 (38) | 38.0 | |
| April 2, 2020, 6 a.m. | 5.0 ppb (5) | 0.4 ppb (0) | 6.0 ppb (6) | 5.0 ppb (5) | 6.0 ppb (6) | 0.0 ppb (0) | 25.0 ppb (19) | 0.15 ppb (2) | 21.0 μg/m3 (19) | 10.0 μg/m3 (42) | 42.0 | |
| April 2, 2020, 5 a.m. | 6.4 ppb (6) | 0.5 ppb (0) | 7.4 ppb (7) | 6.0 ppb (6) | 7.3 ppb (7) | 0.0 ppb (0) | 27.0 ppb (21) | 0.18 ppb (2) | 26.0 μg/m3 (24) | 12.0 μg/m3 (50) | 50.0 | |
| April 2, 2020, 4 a.m. | 7.4 ppb (7) | 0.4 ppb (0) | 8.1 ppb (8) | 7.0 ppb (6) | 8.1 ppb (8) | 0.0 ppb (0) | 30.0 ppb (23) | 0.16 ppb (2) | 23.0 μg/m3 (21) | 11.0 μg/m3 (46) | 46.0 | |
| April 2, 2020, 3 a.m. | 5.3 ppb (5) | 0.3 ppb (0) | 6.2 ppb (6) | 5.0 ppb (5) | 6.2 ppb (6) | 0.0 ppb (0) | 35.0 ppb (27) | 0.14 ppb (2) | 27.0 μg/m3 (25) | 6.0 μg/m3 (25) | 27.0 | |
| April 2, 2020, 2 a.m. | 4.7 ppb (4) | 0.3 ppb (0) | 5.8 ppb (5) | 4.0 ppb (4) | 5.7 ppb (5) | 0.0 ppb (0) | 39.0 ppb (30) | 0.15 ppb (2) | 26.0 μg/m3 (24) | 5.0 μg/m3 (21) | 30.0 | |
| April 2, 2020, 1 a.m. | 4.0 ppb (4) | 0.3 ppb (0) | 5.5 ppb (5) | 4.0 ppb (4) | 5.4 ppb (5) | 0.0 ppb (0) | 46.0 ppb (35) | 0.15 ppb (2) | 27.0 μg/m3 (25) | 5.0 μg/m3 (21) | 35.0 | |
| April 2, 2020, midnight | 3.8 ppb (4) | 0.4 ppb (0) | 5.7 ppb (5) | 3.0 ppb (3) | 5.4 ppb (5) | 0.0 ppb (0) | 52.0 ppb (40) | 0.15 ppb (2) | 34.0 μg/m3 (31) | 2.0 μg/m3 (8) | 40.0 | |
| April 1, 2020, 11 p.m. | 3.6 ppb (3) | 0.6 ppb (1) | 5.7 ppb (5) | 3.0 ppb (3) | 5.5 ppb (5) | 0.0 ppb (0) | 55.0 ppb (42) | 0.15 ppb (2) | 32.0 μg/m3 (29) | 5.0 μg/m3 (21) | 42.0 | |
| April 1, 2020, 10 p.m. | 4.6 ppb (4) | 0.6 ppb (1) | 8.0 ppb (7) | 4.0 ppb (4) | 7.7 ppb (7) | 0.0 ppb (0) | 63.0 ppb (48) | 0.18 ppb (2) | 37.0 μg/m3 (34) | 8.0 μg/m3 (33) | 48.0 | |
| April 1, 2020, 9 p.m. | N/A | N/A | 9.0 ppb (8) | N/A | 8.4 ppb (8) | 0.0 ppb (0) | N/A | 0.19 ppb (2) | 32.0 μg/m3 (29) | 12.0 μg/m3 (50) | 50.0 | |
| April 1, 2020, 8 p.m. | N/A | N/A | 12.2 ppb (11) | N/A | 11.6 ppb (11) | 0.0 ppb (0) | N/A | 0.21 ppb (2) | 36.0 μg/m3 (33) | 14.0 μg/m3 (54) | 54.0 | |
| April 1, 2020, 7 p.m. | N/A | N/A | 19.2 ppb (18) | N/A | 17.4 ppb (16) | 0.0 ppb (0) | N/A | 0.27 ppb (3) | 44.0 μg/m3 (40) | 13.0 μg/m3 (52) | 52.0 | |
| April 1, 2020, 6 p.m. | N/A | N/A | 16.4 ppb (15) | N/A | 15.0 ppb (14) | 1.0 ppb (1) | N/A | 0.27 ppb (3) | 36.0 μg/m3 (33) | 15.0 μg/m3 (56) | 56.0 | |
| April 1, 2020, 5 p.m. | N/A | N/A | 22.1 ppb (20) | N/A | 17.6 ppb (16) | 0.0 ppb (0) | N/A | 0.31 ppb (3) | 44.0 μg/m3 (40) | 15.0 μg/m3 (56) | 56.0 | |
| April 1, 2020, 4 p.m. | 28.9 ppb (27) | 8.1 ppb (8) | 32.2 ppb (30) | 21.0 ppb (19) | 23.4 ppb (22) | 0.0 ppb (0) | 24.0 ppb (18) | 0.37 ppb (4) | 48.0 μg/m3 (44) | 21.0 μg/m3 (69) | 69.0 | |
| April 1, 2020, 3 p.m. | 95.9 ppb (95) | 59.8 ppb (56) | 95.4 ppb (94) | 36.0 ppb (33) | 39.2 ppb (36) | 1.0 ppb (1) | 7.0 ppb (5) | 0.74 ppb (8) | 73.0 μg/m3 (59) | 27.0 μg/m3 (82) | 95.0 | |
| April 1, 2020, 2 p.m. | 100.4 ppb (99) | 70.6 ppb (68) | 100.8 ppb (100) | 30.0 ppb (28) | 33.6 ppb (31) | 1.0 ppb (1) | 2.0 ppb (2) | 0.83 ppb (9) | 90.0 μg/m3 (68) | 23.0 μg/m3 (73) | 100.0 | |
| April 1, 2020, 1 p.m. | 74.5 ppb (72) | 43.0 ppb (40) | 74.1 ppb (71) | 32.0 ppb (30) | 36.0 ppb (33) | 1.0 ppb (1) | 1.0 ppb (1) | 0.72 ppb (8) | 49.0 μg/m3 (45) | 20.0 μg/m3 (67) | 72.0 | |
| April 1, 2020, noon | 52.7 ppb (49) | 22.2 ppb (21) | 52.1 ppb (48) | 31.0 ppb (29) | 34.8 ppb (32) | 0.0 ppb (0) | 1.0 ppb (1) | 0.67 ppb (7) | 36.0 μg/m3 (33) | 18.0 μg/m3 (63) | 63.0 | |
| April 1, 2020, 11 a.m. | 42.1 ppb (39) | 11.5 ppb (11) | 51.8 ppb (48) | 31.0 ppb (29) | 34.6 ppb (32) | 0.0 ppb (0) | 2.0 ppb (2) | 0.46 ppb (5) | 41.0 μg/m3 (37) | 16.0 μg/m3 (59) | 59.0 | |
| April 1, 2020, 10 a.m. | 35.6 ppb (33) | 4.9 ppb (5) | 34.9 ppb (32) | 31.0 ppb (29) | 31.3 ppb (29) | 0.0 ppb (0) | 3.0 ppb (2) | 0.41 ppb (5) | 41.0 μg/m3 (37) | 16.0 μg/m3 (59) | 59.0 | |
| April 1, 2020, 9 a.m. | 33.0 ppb (31) | 1.0 ppb (1) | 36.7 ppb (34) | 32.0 ppb (30) | 35.0 ppb (32) | 0.0 ppb (0) | 3.0 ppb (2) | 0.44 ppb (5) | 40.0 μg/m3 (36) | 17.0 μg/m3 (61) | 61.0 | |
| April 1, 2020, 8 a.m. | 28.1 ppb (26) | -0.2 ppb (0) | 29.7 ppb (28) | 28.0 ppb (26) | 29.5 ppb (27) | 0.0 ppb (0) | 10.0 ppb (8) | 0.39 ppb (4) | 41.0 μg/m3 (37) | 17.0 μg/m3 (61) | 61.0 | |
| April 1, 2020, 7 a.m. | 18.2 ppb (17) | -0.7 ppb (0) | 23.0 ppb (21) | 19.0 ppb (18) | 23.0 ppb (21) | 0.0 ppb (0) | 21.0 ppb (16) | 0.35 ppb (4) | 41.0 μg/m3 (37) | 22.0 μg/m3 (71) | 71.0 | |
| April 1, 2020, 6 a.m. | 15.2 ppb (14) | -1.0 ppb (0) | 21.1 ppb (20) | 16.0 ppb (15) | 21.0 ppb (19) | 0.0 ppb (0) | 26.0 ppb (20) | 0.32 ppb (4) | 41.0 μg/m3 (37) | 16.0 μg/m3 (59) | 59.0 | |
| April 1, 2020, 5 a.m. | 16.9 ppb (16) | -1.0 ppb (0) | 21.5 ppb (20) | 18.0 ppb (17) | 21.4 ppb (20) | 0.0 ppb (0) | 27.0 ppb (21) | 0.39 ppb (4) | 40.0 μg/m3 (36) | 16.0 μg/m3 (59) | 59.0 | |
| April 1, 2020, 4 a.m. | 14.0 ppb (13) | -1.1 ppb (0) | 17.1 ppb (16) | 15.0 ppb (14) | 17.1 ppb (16) | 0.0 ppb (0) | 34.0 ppb (26) | 0.35 ppb (4) | 38.0 μg/m3 (35) | 16.0 μg/m3 (59) | 59.0 | |
| April 1, 2020, 3 a.m. | 11.2 ppb (10) | -1.2 ppb (0) | 13.7 ppb (13) | 12.0 ppb (11) | 13.6 ppb (13) | 0.0 ppb (0) | 38.0 ppb (29) | 0.31 ppb (3) | 39.0 μg/m3 (35) | 12.0 μg/m3 (50) | 50.0 | |
| April 1, 2020, 2 a.m. | 12.3 ppb (11) | -1.3 ppb (0) | 15.0 ppb (14) | 14.0 ppb (13) | 14.9 ppb (14) | 0.0 ppb (0) | 41.0 ppb (32) | 0.3 ppb (3) | 38.0 μg/m3 (35) | 11.0 μg/m3 (46) | 46.0 | |
| April 1, 2020, 1 a.m. | 13.3 ppb (12) | -1.1 ppb (0) | 16.8 ppb (16) | 14.0 ppb (13) | 16.4 ppb (15) | 0.0 ppb (0) | 48.0 ppb (37) | 0.29 ppb (3) | 39.0 μg/m3 (35) | 12.0 μg/m3 (50) | 50.0 | |
| April 1, 2020, midnight | 11.8 ppb (11) | -0.7 ppb (0) | 16.6 ppb (15) | 12.0 ppb (11) | 15.8 ppb (15) | 0.0 ppb (0) | 57.0 ppb (44) | 0.3 ppb (3) | 46.0 μg/m3 (42) | 12.0 μg/m3 (50) | 50.0 | |
| March 31, 2020, 11 p.m. | 8.9 ppb (8) | -0.6 ppb (0) | 12.6 ppb (12) | 9.0 ppb (8) | 11.8 ppb (11) | 0.0 ppb (0) | 56.0 ppb (43) | 0.26 ppb (3) | 42.0 μg/m3 (38) | 7.0 μg/m3 (29) | 43.0 | |
| March 31, 2020, 10 p.m. | 4.9 ppb (5) | -1.0 ppb (0) | 8.4 ppb (8) | 6.0 ppb (6) | 7.9 ppb (7) | 0.0 ppb (0) | 59.0 ppb (45) | 0.19 ppb (2) | 23.0 μg/m3 (21) | 4.0 μg/m3 (17) | 45.0 | |
| March 31, 2020, 9 p.m. | 8.6 ppb (8) | 0.0 ppb (0) | 12.1 ppb (11) | 9.0 ppb (8) | 10.6 ppb (10) | 0.0 ppb (0) | 53.0 ppb (41) | 0.22 ppb (2) | 24.0 μg/m3 (22) | 5.0 μg/m3 (21) | 41.0 | |
| March 31, 2020, 8 p.m. | 11.1 ppb (10) | 0.7 ppb (1) | 15.2 ppb (14) | 10.0 ppb (9) | 11.7 ppb (11) | 0.0 ppb (0) | 48.0 ppb (37) | 0.22 ppb (2) | 29.0 μg/m3 (26) | 6.0 μg/m3 (25) | 37.0 | |
| March 31, 2020, 7 p.m. | 19.1 ppb (18) | 3.2 ppb (3) | 21.7 ppb (20) | 16.0 ppb (15) | 17.0 ppb (16) | 0.0 ppb (0) | 38.0 ppb (29) | 0.28 ppb (3) | 27.0 μg/m3 (25) | 8.0 μg/m3 (33) | 33.0 | |
| March 31, 2020, 6 p.m. | 31.2 ppb (29) | 8.5 ppb (8) | 33.0 ppb (31) | 23.0 ppb (21) | 23.3 ppb (22) | 0.0 ppb (0) | 25.0 ppb (19) | 0.32 ppb (4) | 39.0 μg/m3 (35) | 10.0 μg/m3 (42) | 42.0 | |
| March 31, 2020, 5 p.m. | 51.4 ppb (48) | 19.7 ppb (18) | 52.8 ppb (49) | 32.0 ppb (30) | 32.6 ppb (30) | 0.0 ppb (0) | 16.0 ppb (12) | 0.37 ppb (4) | 64.0 μg/m3 (54) | 18.0 μg/m3 (63) | 63.0 | |
| March 31, 2020, 4 p.m. | 63.6 ppb (60) | 32.5 ppb (30) | 64.1 ppb (61) | 31.0 ppb (29) | 32.3 ppb (30) | 1.0 ppb (1) | 11.0 ppb (8) | 0.42 ppb (5) | 69.0 μg/m3 (57) | 16.0 μg/m3 (59) | 61.0 | |
| March 31, 2020, 3 p.m. | 110.2 ppb (102) | 76.6 ppb (74) | 107.8 ppb (101) | 34.0 ppb (31) | 35.6 ppb (33) | 1.0 ppb (1) | 3.0 ppb (2) | 0.62 ppb (7) | 97.0 μg/m3 (71) | 26.0 μg/m3 (80) | 102.0 | |
| March 31, 2020, 2 p.m. | 106.1 ppb (101) | 73.8 ppb (71) | 103.7 ppb (101) | 32.0 ppb (30) | 35.2 ppb (33) | 1.0 ppb (1) | 1.0 ppb (1) | 0.64 ppb (7) | 53.0 μg/m3 (48) | 17.0 μg/m3 (61) | 101.0 | |
| March 31, 2020, 1 p.m. | 71.4 ppb (69) | 43.4 ppb (40) | 70.1 ppb (67) | 28.0 ppb (26) | 30.0 ppb (28) | 1.0 ppb (1) | 1.0 ppb (1) | 0.5 ppb (6) | 42.0 μg/m3 (38) | 14.0 μg/m3 (54) | 69.0 | |
| March 31, 2020, noon | 65.1 ppb (62) | 35.7 ppb (33) | 61.9 ppb (58) | 29.0 ppb (27) | 31.4 ppb (29) | 0.0 ppb (0) | 1.0 ppb (1) | 0.46 ppb (5) | 43.0 μg/m3 (39) | 13.0 μg/m3 (52) | 62.0 | |
| March 31, 2020, 11 a.m. | 46.1 ppb (43) | 18.0 ppb (17) | 53.2 ppb (49) | 28.0 ppb (26) | 30.9 ppb (29) | 0.0 ppb (0) | 1.0 ppb (1) | 0.37 ppb (4) | 33.0 μg/m3 (30) | 11.0 μg/m3 (46) | 49.0 | |
| March 31, 2020, 10 a.m. | 36.6 ppb (34) | 9.8 ppb (9) | 35.3 ppb (33) | 27.0 ppb (25) | 27.8 ppb (26) | 0.0 ppb (0) | 2.0 ppb (2) | 0.32 ppb (4) | 28.0 μg/m3 (25) | 10.0 μg/m3 (42) | 42.0 | |
| March 31, 2020, 9 a.m. | 20.7 ppb (19) | -0.1 ppb (0) | 23.8 ppb (22) | 21.0 ppb (19) | 22.9 ppb (21) | 0.0 ppb (0) | 8.0 ppb (6) | 0.28 ppb (3) | 23.0 μg/m3 (21) | 10.0 μg/m3 (42) | 42.0 | |
| March 31, 2020, 8 a.m. | 23.9 ppb (22) | 0.3 ppb (0) | 27.0 ppb (25) | 24.0 ppb (22) | 25.3 ppb (23) | 0.0 ppb (0) | 5.0 ppb (4) | 0.34 ppb (4) | 23.0 μg/m3 (21) | 8.0 μg/m3 (33) | 33.0 | |
| March 31, 2020, 7 a.m. | 26.3 ppb (24) | 0.1 ppb (0) | 27.7 ppb (26) | 26.0 ppb (24) | 26.7 ppb (25) | 0.0 ppb (0) | 7.0 ppb (5) | 0.33 ppb (4) | 25.0 μg/m3 (23) | 9.0 μg/m3 (38) | 38.0 | |
| March 31, 2020, 6 a.m. | 21.3 ppb (20) | -0.9 ppb (0) | 22.4 ppb (21) | 22.0 ppb (20) | 22.3 ppb (21) | 0.0 ppb (0) | 15.0 ppb (12) | 0.37 ppb (4) | 22.0 μg/m3 (20) | 9.0 μg/m3 (38) | 38.0 | |
| March 31, 2020, 5 a.m. | 7.0 ppb (6) | -1.3 ppb (0) | 10.3 ppb (10) | 8.0 ppb (7) | 10.3 ppb (10) | 0.0 ppb (0) | 34.0 ppb (26) | 0.22 ppb (2) | 26.0 μg/m3 (24) | 9.0 μg/m3 (38) | 38.0 | |
| March 31, 2020, 4 a.m. | 7.7 ppb (7) | -1.3 ppb (0) | 10.9 ppb (10) | 9.0 ppb (8) | 10.9 ppb (10) | 0.0 ppb (0) | 37.0 ppb (28) | 0.27 ppb (3) | 28.0 μg/m3 (25) | 9.0 μg/m3 (38) | 38.0 | |
| March 31, 2020, 3 a.m. | 8.2 ppb (8) | -1.3 ppb (0) | 11.4 ppb (11) | 9.0 ppb (8) | 11.4 ppb (11) | 0.0 ppb (0) | 41.0 ppb (32) | 0.23 ppb (3) | 30.0 μg/m3 (27) | 9.0 μg/m3 (38) | 38.0 | |
| March 31, 2020, 2 a.m. | 9.1 ppb (8) | -1.3 ppb (0) | 12.2 ppb (11) | 10.0 ppb (9) | 12.1 ppb (11) | 0.0 ppb (0) | 44.0 ppb (34) | 0.23 ppb (3) | 35.0 μg/m3 (32) | 6.0 μg/m3 (25) | 34.0 | |
| March 31, 2020, 1 a.m. | 9.2 ppb (9) | -1.1 ppb (0) | 12.5 ppb (12) | 10.0 ppb (9) | 12.2 ppb (11) | 0.0 ppb (0) | 50.0 ppb (38) | 0.23 ppb (3) | 35.0 μg/m3 (32) | 4.0 μg/m3 (17) | 38.0 | |
| March 31, 2020, midnight | 2.6 ppb (2) | -1.3 ppb (0) | 5.8 ppb (5) | 4.0 ppb (4) | 5.5 ppb (5) | 0.0 ppb (0) | 54.0 ppb (42) | 0.15 ppb (2) | 20.0 μg/m3 (18) | 3.0 μg/m3 (12) | 42.0 | |
| March 30, 2020, 11 p.m. | 1.6 ppb (1) | -1.2 ppb (0) | 5.0 ppb (5) | 3.0 ppb (3) | 4.7 ppb (4) | 0.0 ppb (0) | 52.0 ppb (40) | 0.15 ppb (2) | 26.0 μg/m3 (24) | 5.0 μg/m3 (21) | 40.0 | |
| March 30, 2020, 10 p.m. | 3.4 ppb (3) | -0.8 ppb (0) | 7.5 ppb (7) | 4.0 ppb (4) | 6.8 ppb (6) | 0.0 ppb (0) | 52.0 ppb (40) | 0.15 ppb (2) | 28.0 μg/m3 (25) | 8.0 μg/m3 (33) | 40.0 | |
| March 30, 2020, 9 p.m. | 6.1 ppb (6) | -0.1 ppb (0) | 9.9 ppb (9) | 6.0 ppb (6) | 8.4 ppb (8) | 0.0 ppb (0) | 48.0 ppb (37) | 0.17 ppb (2) | 28.0 μg/m3 (25) | 7.0 μg/m3 (29) | 37.0 | |
| March 30, 2020, 8 p.m. | 6.9 ppb (6) | 0.3 ppb (0) | 10.2 ppb (9) | 7.0 ppb (6) | 8.4 ppb (8) | 0.0 ppb (0) | 45.0 ppb (35) | 0.17 ppb (2) | 24.0 μg/m3 (22) | 9.0 μg/m3 (38) | 38.0 | |
| March 30, 2020, 7 p.m. | 5.2 ppb (5) | -0.1 ppb (0) | 8.3 ppb (8) | 5.0 ppb (5) | 6.9 ppb (6) | 0.0 ppb (0) | 45.0 ppb (35) | 0.16 ppb (2) | 31.0 μg/m3 (28) | 11.0 μg/m3 (46) | 46.0 | |
| March 30, 2020, 6 p.m. | 7.3 ppb (7) | 0.7 ppb (1) | 9.8 ppb (9) | 7.0 ppb (6) | 7.6 ppb (7) | 0.0 ppb (0) | 40.0 ppb (31) | 0.17 ppb (2) | 28.0 μg/m3 (25) | 10.0 μg/m3 (42) | 42.0 | |
| March 30, 2020, 5 p.m. | 9.2 ppb (9) | 1.5 ppb (1) | 11.1 ppb (10) | 8.0 ppb (7) | 8.3 ppb (8) | 0.0 ppb (0) | 37.0 ppb (28) | 0.19 ppb (2) | 26.0 μg/m3 (24) | 17.0 μg/m3 (61) | 61.0 | |
| March 30, 2020, 4 p.m. | 16.8 ppb (16) | 4.4 ppb (4) | 18.3 ppb (17) | 12.0 ppb (11) | 12.6 ppb (12) | 0.0 ppb (0) | 27.0 ppb (21) | 0.22 ppb (2) | 27.0 μg/m3 (25) | 13.0 μg/m3 (52) | 52.0 | |
| March 30, 2020, 3 p.m. | 62.5 ppb (59) | 37.6 ppb (35) | 61.6 ppb (58) | 25.0 ppb (23) | 25.2 ppb (23) | 1.0 ppb (1) | 8.0 ppb (6) | 0.41 ppb (5) | 49.0 μg/m3 (45) | 19.0 μg/m3 (65) | 65.0 | |
| March 30, 2020, 2 p.m. | 101.5 ppb (100) | 75.2 ppb (73) | 101.8 ppb (100) | 26.0 ppb (24) | 28.4 ppb (26) | 1.0 ppb (1) | 2.0 ppb (2) | 0.7 ppb (8) | 59.0 μg/m3 (52) | 13.0 μg/m3 (52) | 100.0 | |
| March 30, 2020, 1 p.m. | 80.2 ppb (78) | 55.9 ppb (52) | 86.9 ppb (85) | 24.0 ppb (22) | 27.1 ppb (25) | 1.0 ppb (1) | 1.0 ppb (1) | 0.62 ppb (7) | 37.0 μg/m3 (34) | 11.0 μg/m3 (46) | 85.0 | |
| March 30, 2020, noon | 67.0 ppb (64) | 42.1 ppb (39) | 64.7 ppb (61) | 25.0 ppb (23) | 26.6 ppb (25) | 0.0 ppb (0) | 1.0 ppb (1) | 0.57 ppb (6) | 36.0 μg/m3 (33) | 7.0 μg/m3 (29) | 64.0 | |
| March 30, 2020, 11 a.m. | 44.7 ppb (41) | 18.8 ppb (17) | 53.5 ppb (50) | 26.0 ppb (24) | 27.6 ppb (26) | 0.0 ppb (0) | 1.0 ppb (1) | 0.41 ppb (5) | 26.0 μg/m3 (24) | 5.0 μg/m3 (21) | 50.0 | |
| March 30, 2020, 10 a.m. | 29.5 ppb (27) | 4.0 ppb (4) | 30.0 ppb (28) | 26.0 ppb (24) | 26.4 ppb (24) | 0.0 ppb (0) | 1.0 ppb (1) | 0.35 ppb (4) | 25.0 μg/m3 (23) | 9.0 μg/m3 (38) | 38.0 | |
| March 30, 2020, 9 a.m. | 19.2 ppb (18) | -0.3 ppb (0) | 24.9 ppb (23) | 20.0 ppb (19) | 22.7 ppb (21) | 0.0 ppb (0) | 8.0 ppb (6) | 0.28 ppb (3) | 22.0 μg/m3 (20) | 11.0 μg/m3 (46) | 46.0 | |
| March 30, 2020, 8 a.m. | 14.8 ppb (14) | -0.9 ppb (0) | 14.9 ppb (14) | 16.0 ppb (15) | 14.7 ppb (14) | 0.0 ppb (0) | 16.0 ppb (12) | 0.26 ppb (3) | 18.0 μg/m3 (16) | 10.0 μg/m3 (42) | 42.0 | |
| March 30, 2020, 7 a.m. | 11.2 ppb (10) | -1.0 ppb (0) | 12.0 ppb (11) | 12.0 ppb (11) | 12.0 ppb (11) | 0.0 ppb (0) | 16.0 ppb (12) | 0.29 ppb (3) | 24.0 μg/m3 (22) | 9.0 μg/m3 (38) | 38.0 | |
| March 30, 2020, 6 a.m. | 8.7 ppb (8) | -1.2 ppb (0) | 9.7 ppb (9) | 10.0 ppb (9) | 9.7 ppb (9) | 0.0 ppb (0) | 25.0 ppb (19) | 0.29 ppb (3) | 16.0 μg/m3 (15) | 9.0 μg/m3 (38) | 38.0 | |
| March 30, 2020, 5 a.m. | 4.6 ppb (4) | -1.3 ppb (0) | 6.3 ppb (6) | 6.0 ppb (6) | 6.3 ppb (6) | 0.0 ppb (0) | 31.0 ppb (24) | 0.34 ppb (4) | 22.0 μg/m3 (20) | 8.0 μg/m3 (33) | 33.0 | |
| March 30, 2020, 4 a.m. | 2.5 ppb (2) | -1.4 ppb (0) | 4.4 ppb (4) | 4.0 ppb (4) | 4.3 ppb (4) | 0.0 ppb (0) | 38.0 ppb (29) | 0.24 ppb (3) | 22.0 μg/m3 (20) | 6.0 μg/m3 (25) | 29.0 | |
| March 30, 2020, 3 a.m. | 2.1 ppb (2) | -1.4 ppb (0) | 4.1 ppb (4) | 4.0 ppb (4) | 4.0 ppb (4) | 0.0 ppb (0) | 41.0 ppb (32) | 0.16 ppb (2) | 20.0 μg/m3 (18) | 6.0 μg/m3 (25) | 32.0 | |
| March 30, 2020, 2 a.m. | 2.0 ppb (2) | -1.3 ppb (0) | 3.9 ppb (4) | 3.0 ppb (3) | 3.8 ppb (4) | 0.0 ppb (0) | 43.0 ppb (33) | 0.15 ppb (2) | 22.0 μg/m3 (20) | 7.0 μg/m3 (29) | 33.0 | |
| March 30, 2020, 1 a.m. | 2.0 ppb (2) | -1.4 ppb (0) | 4.5 ppb (4) | 3.0 ppb (3) | 4.3 ppb (4) | 0.0 ppb (0) | 46.0 ppb (35) | 0.15 ppb (2) | 23.0 μg/m3 (21) | 9.0 μg/m3 (38) | 38.0 | |
| March 30, 2020, midnight | 1.7 ppb (2) | -1.3 ppb (0) | 4.8 ppb (4) | 3.0 ppb (3) | 4.5 ppb (4) | 0.0 ppb (0) | 52.0 ppb (40) | 0.14 ppb (2) | 25.0 μg/m3 (23) | 8.0 μg/m3 (33) | 40.0 | |
| March 29, 2020, 11 p.m. | 1.4 ppb (1) | -1.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.15 ppb (2) | 23.0 μg/m3 (21) | 6.0 μg/m3 (25) | 42.0 | |
| March 29, 2020, 10 p.m. | 1.0 ppb (1) | -1.2 ppb (0) | 3.8 ppb (4) | 2.0 ppb (2) | 3.5 ppb (3) | 0.0 ppb (0) | 51.0 ppb (39) | 0.14 ppb (2) | 18.0 μg/m3 (16) | 4.0 μg/m3 (17) | 39.0 | |
| March 29, 2020, 9 p.m. | 0.8 ppb (1) | -1.3 ppb (0) | 3.6 ppb (3) | 2.0 ppb (2) | 3.4 ppb (3) | 0.0 ppb (0) | 49.0 ppb (38) | 0.14 ppb (2) | 20.0 μg/m3 (18) | 6.0 μg/m3 (25) | 38.0 | |
| March 29, 2020, 8 p.m. | 0.6 ppb (1) | -1.3 ppb (0) | 3.6 ppb (3) | 2.0 ppb (2) | 3.4 ppb (3) | 0.0 ppb (0) | 49.0 ppb (38) | 0.13 ppb (1) | 20.0 μg/m3 (18) | 6.0 μg/m3 (25) | 38.0 | |
| March 29, 2020, 7 p.m. | 0.8 ppb (1) | -1.2 ppb (0) | 3.8 ppb (4) | 2.0 ppb (2) | 3.6 ppb (3) | 0.0 ppb (0) | 46.0 ppb (35) | 0.13 ppb (1) | 19.0 μg/m3 (17) | 6.0 μg/m3 (25) | 35.0 | |
| March 29, 2020, 6 p.m. | 2.7 ppb (3) | -0.7 ppb (0) | 6.0 ppb (6) | 3.0 ppb (3) | 5.3 ppb (5) | 0.0 ppb (0) | 44.0 ppb (34) | 0.14 ppb (2) | 23.0 μg/m3 (21) | 7.0 μg/m3 (29) | 34.0 | |
| March 29, 2020, 5 p.m. | 4.6 ppb (4) | -0.2 ppb (0) | 7.8 ppb (7) | 5.0 ppb (5) | 6.6 ppb (6) | 0.0 ppb (0) | 41.0 ppb (32) | 0.17 ppb (2) | 37.0 μg/m3 (34) | 17.0 μg/m3 (61) | 61.0 | |
| March 29, 2020, 4 p.m. | 12.9 ppb (12) | 3.0 ppb (3) | 15.7 ppb (15) | 10.0 ppb (9) | 11.3 ppb (10) | 0.0 ppb (0) | 28.0 ppb (22) | 0.21 ppb (2) | 30.0 μg/m3 (27) | 14.0 μg/m3 (54) | 54.0 | |
| March 29, 2020, 3 p.m. | 36.7 ppb (34) | 18.2 ppb (17) | 38.1 ppb (35) | 19.0 ppb (18) | 19.8 ppb (18) | 0.0 ppb (0) | 10.0 ppb (8) | 0.32 ppb (4) | 30.0 μg/m3 (27) | 16.0 μg/m3 (59) | 59.0 | |
| March 29, 2020, 2 p.m. | 47.7 ppb (44) | 26.1 ppb (24) | 48.4 ppb (45) | 22.0 ppb (20) | 23.2 ppb (21) | 0.0 ppb (0) | 3.0 ppb (2) | 0.44 ppb (5) | 30.0 μg/m3 (27) | 13.0 μg/m3 (52) | 52.0 | |
| March 29, 2020, 1 p.m. | 39.3 ppb (36) | 18.2 ppb (17) | 42.3 ppb (39) | 21.0 ppb (19) | 23.5 ppb (22) | 0.0 ppb (0) | 1.0 ppb (1) | 0.41 ppb (5) | 25.0 μg/m3 (23) | 5.0 μg/m3 (21) | 39.0 | |
| March 29, 2020, noon | 26.9 ppb (25) | 5.3 ppb (5) | 28.3 ppb (26) | 22.0 ppb (20) | 24.3 ppb (23) | 0.0 ppb (0) | 1.0 ppb (1) | 0.33 ppb (4) | 17.0 μg/m3 (15) | 2.0 μg/m3 (8) | 26.0 | |
| March 29, 2020, 11 a.m. | 20.3 ppb (19) | -0.1 ppb (0) | 20.4 ppb (19) | 20.0 ppb (19) | 19.8 ppb (18) | 0.0 ppb (0) | 4.0 ppb (3) | 0.35 ppb (4) | 19.0 μg/m3 (17) | 6.0 μg/m3 (25) | 25.0 | |
| March 29, 2020, 10 a.m. | 20.8 ppb (19) | 0.7 ppb (1) | 20.3 ppb (19) | 20.0 ppb (19) | 19.1 ppb (18) | 0.0 ppb (0) | 5.0 ppb (4) | 0.33 ppb (4) | 18.0 μg/m3 (16) | 7.0 μg/m3 (29) | 29.0 | |
| March 29, 2020, 9 a.m. | 11.0 ppb (10) | -1.0 ppb (0) | 14.5 ppb (13) | 12.0 ppb (11) | 14.4 ppb (13) | 0.0 ppb (0) | 15.0 ppb (12) | 0.3 ppb (3) | 21.0 μg/m3 (19) | 7.0 μg/m3 (29) | 29.0 | |
| March 29, 2020, 8 a.m. | 11.9 ppb (11) | -1.0 ppb (0) | 14.3 ppb (13) | 13.0 ppb (12) | 14.2 ppb (13) | 0.0 ppb (0) | 18.0 ppb (14) | 0.29 ppb (3) | 23.0 μg/m3 (21) | 9.0 μg/m3 (38) | 38.0 | |
| March 29, 2020, 7 a.m. | 12.6 ppb (12) | -1.0 ppb (0) | 14.5 ppb (13) | 14.0 ppb (13) | 14.5 ppb (13) | 0.0 ppb (0) | 20.0 ppb (15) | 0.43 ppb (5) | 28.0 μg/m3 (25) | 9.0 μg/m3 (38) | 38.0 | |
| March 29, 2020, 6 a.m. | 6.9 ppb (6) | -1.2 ppb (0) | 8.9 ppb (8) | 8.0 ppb (7) | 8.8 ppb (8) | 0.0 ppb (0) | 30.0 ppb (23) | 0.33 ppb (4) | 27.0 μg/m3 (25) | 8.0 μg/m3 (33) | 33.0 | |
| March 29, 2020, 5 a.m. | 3.0 ppb (3) | -1.3 ppb (0) | 5.8 ppb (5) | 4.0 ppb (4) | 5.7 ppb (5) | 0.0 ppb (0) | 38.0 ppb (29) | 0.19 ppb (2) | 21.0 μg/m3 (19) | 7.0 μg/m3 (29) | 29.0 | |
| March 29, 2020, 4 a.m. | 2.6 ppb (2) | -1.4 ppb (0) | 5.0 ppb (5) | 4.0 ppb (4) | 4.9 ppb (5) | 0.0 ppb (0) | 42.0 ppb (32) | 0.17 ppb (2) | 20.0 μg/m3 (18) | 5.0 μg/m3 (21) | 32.0 | |
| March 29, 2020, 3 a.m. | 2.6 ppb (2) | -1.3 ppb (0) | 4.9 ppb (5) | 4.0 ppb (4) | 4.8 ppb (4) | 0.0 ppb (0) | 45.0 ppb (35) | 0.16 ppb (2) | 15.0 μg/m3 (14) | 2.0 μg/m3 (8) | 35.0 | |
| March 29, 2020, 2 a.m. | 2.4 ppb (2) | -1.4 ppb (0) | 4.7 ppb (4) | 4.0 ppb (4) | 4.6 ppb (4) | 0.0 ppb (0) | 47.0 ppb (36) | 0.16 ppb (2) | 19.0 μg/m3 (17) | 1.0 μg/m3 (4) | 36.0 | |
| March 29, 2020, 1 a.m. | 1.7 ppb (2) | -1.3 ppb (0) | 4.5 ppb (4) | 3.0 ppb (3) | 4.4 ppb (4) | 0.0 ppb (0) | 52.0 ppb (40) | 0.15 ppb (2) | 24.0 μg/m3 (22) | 5.0 μg/m3 (21) | 40.0 | |
| March 29, 2020, midnight | 1.1 ppb (1) | -1.4 ppb (0) | 4.4 ppb (4) | 2.0 ppb (2) | 4.3 ppb (4) | 0.0 ppb (0) | 55.0 ppb (42) | 0.14 ppb (2) | 20.0 μg/m3 (18) | 5.0 μg/m3 (21) | 42.0 | |
| March 28, 2020, 11 p.m. | 1.0 ppb (1) | -1.3 ppb (0) | 4.3 ppb (4) | 2.0 ppb (2) | 4.2 ppb (4) | 0.0 ppb (0) | 54.0 ppb (42) | 0.14 ppb (2) | 19.0 μg/m3 (17) | 5.0 μg/m3 (21) | 42.0 | |
| March 28, 2020, 10 p.m. | 0.8 ppb (1) | -1.3 ppb (0) | 4.3 ppb (4) | 2.0 ppb (2) | 4.1 ppb (4) | 0.0 ppb (0) | 53.0 ppb (41) | 0.13 ppb (1) | 18.0 μg/m3 (16) | 5.0 μg/m3 (21) | 41.0 | |
| March 28, 2020, 9 p.m. | 1.1 ppb (1) | -1.1 ppb (0) | 4.5 ppb (4) | 2.0 ppb (2) | 4.2 ppb (4) | 0.0 ppb (0) | 51.0 ppb (39) | 0.13 ppb (1) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 39.0 | |
| March 28, 2020, 8 p.m. | 1.1 ppb (1) | -1.1 ppb (0) | 4.8 ppb (4) | 2.0 ppb (2) | 4.4 ppb (4) | 0.0 ppb (0) | 49.0 ppb (38) | 0.13 ppb (1) | 19.0 μg/m3 (17) | 8.0 μg/m3 (33) | 38.0 | |
| March 28, 2020, 7 p.m. | 4.4 ppb (4) | -0.1 ppb (0) | 7.4 ppb (7) | 5.0 ppb (5) | 6.1 ppb (6) | 0.0 ppb (0) | 46.0 ppb (35) | 0.14 ppb (2) | 22.0 μg/m3 (20) | 9.0 μg/m3 (38) | 38.0 | |
| March 28, 2020, 6 p.m. | 3.7 ppb (3) | -0.3 ppb (0) | 6.4 ppb (6) | 4.0 ppb (4) | 5.2 ppb (5) | 0.0 ppb (0) | 44.0 ppb (34) | 0.14 ppb (2) | 20.0 μg/m3 (18) | 18.0 μg/m3 (63) | 63.0 | |
| March 28, 2020, 5 p.m. | 5.1 ppb (5) | 0.1 ppb (0) | 7.6 ppb (7) | 5.0 ppb (5) | 6.0 ppb (6) | 0.0 ppb (0) | 39.0 ppb (30) | 0.15 ppb (2) | 17.0 μg/m3 (15) | 8.0 μg/m3 (33) | 33.0 | |
| March 28, 2020, 4 p.m. | 12.9 ppb (12) | 3.0 ppb (3) | 14.9 ppb (14) | 10.0 ppb (9) | 10.5 ppb (10) | 0.0 ppb (0) | 30.0 ppb (23) | 0.18 ppb (2) | 26.0 μg/m3 (24) | 8.0 μg/m3 (33) | 33.0 | |
| March 28, 2020, 3 p.m. | 40.1 ppb (37) | 19.7 ppb (18) | 41.5 ppb (38) | 20.0 ppb (19) | 21.1 ppb (20) | 0.0 ppb (0) | 10.0 ppb (8) | 0.3 ppb (3) | 30.0 μg/m3 (27) | 8.0 μg/m3 (33) | 38.0 | |
| March 28, 2020, 2 p.m. | 54.6 ppb (51) | 30.3 ppb (28) | 55.2 ppb (51) | 24.0 ppb (22) | 25.5 ppb (24) | 1.0 ppb (1) | 3.0 ppb (2) | 0.36 ppb (4) | 27.0 μg/m3 (25) | 8.0 μg/m3 (33) | 51.0 | |
| March 28, 2020, 1 p.m. | 39.5 ppb (37) | 13.5 ppb (12) | 41.7 ppb (39) | 26.0 ppb (24) | 28.0 ppb (26) | 0.0 ppb (0) | 1.0 ppb (1) | 0.34 ppb (4) | 22.0 μg/m3 (20) | 9.0 μg/m3 (38) | 39.0 | |
| March 28, 2020, noon | 41.9 ppb (39) | 16.0 ppb (15) | 44.8 ppb (41) | 26.0 ppb (24) | 27.6 ppb (26) | 0.0 ppb (0) | 1.0 ppb (1) | 0.34 ppb (4) | 25.0 μg/m3 (23) | 11.0 μg/m3 (46) | 46.0 | |
| March 28, 2020, 11 a.m. | 39.2 ppb (36) | 13.0 ppb (12) | 41.2 ppb (38) | 26.0 ppb (24) | 27.7 ppb (26) | 0.0 ppb (0) | 1.0 ppb (1) | 0.34 ppb (4) | 27.0 μg/m3 (25) | 15.0 μg/m3 (56) | 56.0 | |
| March 28, 2020, 10 a.m. | 31.3 ppb (29) | 6.6 ppb (6) | 31.9 ppb (30) | 25.0 ppb (23) | 27.4 ppb (25) | 0.0 ppb (0) | 1.0 ppb (1) | 0.36 ppb (4) | 23.0 μg/m3 (21) | 6.0 μg/m3 (25) | 30.0 | |
| March 28, 2020, 9 a.m. | 29.0 ppb (27) | 1.9 ppb (2) | 31.0 ppb (29) | 27.0 ppb (25) | 28.7 ppb (27) | 0.0 ppb (0) | 1.0 ppb (1) | 0.41 ppb (5) | 25.0 μg/m3 (23) | 8.0 μg/m3 (33) | 33.0 | |
| March 28, 2020, 8 a.m. | 23.5 ppb (22) | -0.2 ppb (0) | 25.3 ppb (23) | 24.0 ppb (22) | 24.8 ppb (23) | 0.0 ppb (0) | 5.0 ppb (4) | 0.39 ppb (4) | 29.0 μg/m3 (26) | 5.0 μg/m3 (21) | 26.0 | |
| March 28, 2020, 7 a.m. | 14.4 ppb (13) | -0.7 ppb (0) | 16.7 ppb (15) | 15.0 ppb (14) | 16.4 ppb (15) | 0.0 ppb (0) | 14.0 ppb (11) | 0.31 ppb (3) | 22.0 μg/m3 (20) | 4.0 μg/m3 (17) | 20.0 | |
| March 28, 2020, 6 a.m. | 15.6 ppb (14) | -0.8 ppb (0) | 16.6 ppb (15) | 16.0 ppb (15) | 16.4 ppb (15) | 0.0 ppb (0) | 17.0 ppb (13) | 0.39 ppb (4) | 19.0 μg/m3 (17) | 6.0 μg/m3 (25) | 25.0 | |
| March 28, 2020, 5 a.m. | 18.5 ppb (17) | -0.9 ppb (0) | 20.1 ppb (19) | 19.0 ppb (18) | 19.9 ppb (18) | 0.0 ppb (0) | 20.0 ppb (15) | 0.31 ppb (3) | 17.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| March 28, 2020, 4 a.m. | 4.4 ppb (4) | -1.3 ppb (0) | 6.4 ppb (6) | 6.0 ppb (6) | 6.4 ppb (6) | 0.0 ppb (0) | 36.0 ppb (28) | 0.19 ppb (2) | 11.0 μg/m3 (10) | 3.0 μg/m3 (12) | 28.0 | |
| March 28, 2020, 3 a.m. | 2.3 ppb (2) | -1.3 ppb (0) | 4.5 ppb (4) | 4.0 ppb (4) | 4.5 ppb (4) | 0.0 ppb (0) | 40.0 ppb (31) | 0.15 ppb (2) | 11.0 μg/m3 (10) | 3.0 μg/m3 (12) | 31.0 | |
| March 28, 2020, 2 a.m. | 1.9 ppb (2) | -1.4 ppb (0) | 4.4 ppb (4) | 3.0 ppb (3) | 4.3 ppb (4) | 0.0 ppb (0) | 43.0 ppb (33) | 0.14 ppb (2) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 33.0 | |
| March 28, 2020, 1 a.m. | 1.8 ppb (2) | -1.2 ppb (0) | 4.5 ppb (4) | 3.0 ppb (3) | 4.4 ppb (4) | 0.0 ppb (0) | 46.0 ppb (35) | 0.13 ppb (1) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 35.0 | |
| March 28, 2020, midnight | 2.1 ppb (2) | -1.0 ppb (0) | 5.4 ppb (5) | 3.0 ppb (3) | 5.0 ppb (5) | 0.0 ppb (0) | 49.0 ppb (38) | 0.14 ppb (2) | 15.0 μg/m3 (14) | 2.0 μg/m3 (8) | 38.0 | |
| March 27, 2020, 11 p.m. | 2.5 ppb (2) | -0.8 ppb (0) | 6.7 ppb (6) | 3.0 ppb (3) | 6.1 ppb (6) | 0.0 ppb (0) | 50.0 ppb (38) | 0.14 ppb (2) | 17.0 μg/m3 (15) | 1.0 μg/m3 (4) | 38.0 | |
| March 27, 2020, 10 p.m. | 3.4 ppb (3) | -0.5 ppb (0) | 6.7 ppb (6) | 4.0 ppb (4) | 5.7 ppb (5) | 0.0 ppb (0) | 47.0 ppb (36) | 0.16 ppb (2) | 20.0 μg/m3 (18) | 0.0 μg/m3 (0) | 36.0 | |
| March 27, 2020, 9 p.m. | 1.6 ppb (1) | -0.8 ppb (0) | 4.5 ppb (4) | 2.0 ppb (2) | 3.9 ppb (4) | 0.0 ppb (0) | 47.0 ppb (36) | 0.13 ppb (1) | 11.0 μg/m3 (10) | 0.0 μg/m3 (0) | 36.0 | |
| March 27, 2020, 8 p.m. | 1.6 ppb (1) | -0.8 ppb (0) | 4.3 ppb (4) | 2.0 ppb (2) | 3.7 ppb (3) | 0.0 ppb (0) | 46.0 ppb (35) | 0.13 ppb (1) | 11.0 μg/m3 (10) | 1.0 μg/m3 (4) | 35.0 | |
| March 27, 2020, 7 p.m. | 1.6 ppb (1) | -0.7 ppb (0) | 4.3 ppb (4) | 2.0 ppb (2) | 3.6 ppb (3) | 0.0 ppb (0) | 44.0 ppb (34) | 0.12 ppb (1) | 9.0 μg/m3 (8) | 2.0 μg/m3 (8) | 34.0 | |
| March 27, 2020, 6 p.m. | 2.6 ppb (2) | -0.4 ppb (0) | 4.9 ppb (5) | 3.0 ppb (3) | 3.9 ppb (4) | 0.0 ppb (0) | 41.0 ppb (32) | 0.13 ppb (1) | 8.0 μg/m3 (7) | 6.0 μg/m3 (25) | 32.0 | |
| March 27, 2020, 5 p.m. | 7.6 ppb (7) | 1.4 ppb (1) | 9.7 ppb (9) | 6.0 ppb (6) | 6.9 ppb (6) | 0.0 ppb (0) | 34.0 ppb (26) | 0.15 ppb (2) | 24.0 μg/m3 (22) | 9.0 μg/m3 (38) | 38.0 | |
| March 27, 2020, 4 p.m. | 15.5 ppb (14) | 4.6 ppb (4) | 15.4 ppb (14) | 11.0 ppb (10) | 10.4 ppb (10) | 0.0 ppb (0) | 27.0 ppb (21) | 0.17 ppb (2) | 24.0 μg/m3 (22) | 21.0 μg/m3 (69) | 69.0 |