Reno (E Reno) NV, US: 39.521918, -119.795444
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 5, 2020, 9 a.m. | 3.3 ppb (3) | 0.2 ppb (0) | 2.4 ppb (2) | 3.0 ppb (3) | 2.5 ppb (2) | 0.0 ppb (0) | 42.0 ppb (32) | 0.08 ppb (1) | 1.0 μg/m3 (1) | -2.0 μg/m3 (0) | 32.0 | |
| April 5, 2020, 8 a.m. | 4.5 ppb (4) | 0.3 ppb (0) | 3.6 ppb (3) | 4.0 ppb (4) | 3.6 ppb (3) | 0.0 ppb (0) | 34.0 ppb (26) | 0.1 ppb (1) | 1.0 μg/m3 (1) | -4.0 μg/m3 (0) | 26.0 | |
| April 5, 2020, 7 a.m. | 2.9 ppb (3) | 0.2 ppb (0) | 2.2 ppb (2) | 3.0 ppb (3) | 2.3 ppb (2) | 0.0 ppb (0) | 34.0 ppb (26) | 0.1 ppb (1) | 1.0 μg/m3 (1) | N/A | 26.0 | |
| April 5, 2020, 6 a.m. | 2.3 ppb (2) | 0.2 ppb (0) | 1.8 ppb (2) | 2.0 ppb (2) | 1.8 ppb (2) | 0.0 ppb (0) | 35.0 ppb (27) | 0.08 ppb (1) | -1.0 μg/m3 (0) | -3.0 μg/m3 (0) | 27.0 | |
| April 5, 2020, 5 a.m. | 1.5 ppb (1) | 0.0 ppb (0) | 0.9 ppb (1) | 1.0 ppb (1) | 1.1 ppb (1) | 0.0 ppb (0) | 36.0 ppb (28) | 0.08 ppb (1) | 0.0 μg/m3 (0) | 0.0 μg/m3 (0) | 28.0 | |
| April 5, 2020, 4 a.m. | 1.0 ppb (1) | 0.0 ppb (0) | 0.6 ppb (1) | 1.0 ppb (1) | 0.6 ppb (1) | 0.0 ppb (0) | 37.0 ppb (28) | 0.08 ppb (1) | 2.0 μg/m3 (2) | -1.0 μg/m3 (0) | 28.0 | |
| April 5, 2020, 3 a.m. | 1.3 ppb (1) | 0.0 ppb (0) | 0.7 ppb (1) | 1.0 ppb (1) | 0.8 ppb (1) | 0.0 ppb (0) | 36.0 ppb (28) | 0.08 ppb (1) | 2.0 μg/m3 (2) | -3.0 μg/m3 (0) | 28.0 | |
| April 5, 2020, 2 a.m. | 1.7 ppb (2) | 0.0 ppb (0) | 1.1 ppb (1) | 2.0 ppb (2) | 1.3 ppb (1) | 0.0 ppb (0) | 36.0 ppb (28) | 0.09 ppb (1) | 0.0 μg/m3 (0) | N/A | 28.0 | |
| April 5, 2020, 1 a.m. | 1.3 ppb (1) | 0.2 ppb (0) | 0.7 ppb (1) | 1.0 ppb (1) | 0.8 ppb (1) | 0.0 ppb (0) | 38.0 ppb (29) | 0.08 ppb (1) | 3.0 μg/m3 (3) | -4.0 μg/m3 (0) | 29.0 | |
| April 5, 2020, midnight | 1.2 ppb (1) | 0.2 ppb (0) | 0.6 ppb (1) | 1.0 ppb (1) | 0.6 ppb (1) | 0.0 ppb (0) | 41.0 ppb (32) | 0.08 ppb (1) | 6.0 μg/m3 (5) | -1.0 μg/m3 (0) | 32.0 | |
| April 4, 2020, 11 p.m. | 1.2 ppb (1) | 0.2 ppb (0) | 0.6 ppb (1) | 1.0 ppb (1) | 0.6 ppb (1) | 0.0 ppb (0) | 43.0 ppb (33) | 0.08 ppb (1) | 5.0 μg/m3 (5) | -2.0 μg/m3 (0) | 33.0 | |
| April 4, 2020, 10 p.m. | 1.9 ppb (2) | 0.5 ppb (0) | 1.2 ppb (1) | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | 44.0 ppb (34) | 0.09 ppb (1) | 5.0 μg/m3 (5) | -1.0 μg/m3 (0) | 34.0 | |
| April 4, 2020, 9 p.m. | 1.9 ppb (2) | 0.4 ppb (0) | 1.3 ppb (1) | 1.0 ppb (1) | 1.2 ppb (1) | 0.0 ppb (0) | 44.0 ppb (34) | 0.09 ppb (1) | 10.0 μg/m3 (9) | 1.0 μg/m3 (4) | 34.0 | |
| April 4, 2020, 8 p.m. | 1.4 ppb (1) | 0.2 ppb (0) | 1.0 ppb (1) | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | 46.0 ppb (35) | 0.08 ppb (1) | 14.0 μg/m3 (13) | -1.0 μg/m3 (0) | 35.0 | |
| April 4, 2020, 7 p.m. | 2.9 ppb (3) | 0.7 ppb (1) | 2.2 ppb (2) | 2.0 ppb (2) | 1.8 ppb (2) | 0.0 ppb (0) | 46.0 ppb (35) | 0.09 ppb (1) | 1.0 μg/m3 (1) | -1.0 μg/m3 (0) | 35.0 | |
| April 4, 2020, 6 p.m. | 7.9 ppb (7) | 2.8 ppb (3) | 6.3 ppb (6) | 5.0 ppb (5) | 4.4 ppb (4) | 0.0 ppb (0) | 42.0 ppb (32) | 0.14 ppb (2) | 0.0 μg/m3 (0) | 1.0 μg/m3 (4) | 32.0 | |
| April 4, 2020, 5 p.m. | 24.8 ppb (23) | 9.1 ppb (8) | 23.6 ppb (22) | 16.0 ppb (15) | 15.4 ppb (14) | 0.0 ppb (0) | 28.0 ppb (22) | 0.28 ppb (3) | 15.0 μg/m3 (14) | 3.0 μg/m3 (12) | 23.0 | |
| April 4, 2020, 4 p.m. | 30.7 ppb (28) | 10.2 ppb (9) | 29.5 ppb (27) | 20.0 ppb (19) | 20.2 ppb (19) | 0.0 ppb (0) | 22.0 ppb (17) | 0.33 ppb (4) | 18.0 μg/m3 (16) | 5.0 μg/m3 (21) | 28.0 | |
| April 4, 2020, 3 p.m. | 49.1 ppb (45) | 18.9 ppb (18) | 47.8 ppb (44) | 30.0 ppb (28) | 30.3 ppb (28) | 1.0 ppb (1) | 9.0 ppb (7) | 0.42 ppb (5) | 27.0 μg/m3 (25) | 4.0 μg/m3 (17) | 45.0 | |
| April 4, 2020, 2 p.m. | 44.0 ppb (41) | 13.5 ppb (12) | 42.6 ppb (39) | 30.0 ppb (28) | 30.7 ppb (28) | 0.0 ppb (0) | 6.0 ppb (5) | 0.35 ppb (4) | 18.0 μg/m3 (16) | 1.0 μg/m3 (4) | 41.0 | |
| April 4, 2020, 1 p.m. | 24.9 ppb (23) | 2.0 ppb (2) | 24.0 ppb (22) | 23.0 ppb (21) | 22.7 ppb (21) | 0.0 ppb (0) | 12.0 ppb (9) | 0.21 ppb (2) | 5.0 μg/m3 (5) | 0.0 μg/m3 (0) | 23.0 | |
| April 4, 2020, noon | 27.7 ppb (26) | 2.3 ppb (2) | 24.0 ppb (22) | 25.0 ppb (23) | 23.1 ppb (21) | 0.0 ppb (0) | 11.0 ppb (8) | 0.25 ppb (3) | 6.0 μg/m3 (5) | 2.0 μg/m3 (8) | 26.0 | |
| April 4, 2020, 11 a.m. | 30.2 ppb (28) | 2.6 ppb (2) | 27.4 ppb (25) | 27.0 ppb (25) | 26.3 ppb (24) | 0.0 ppb (0) | 7.0 ppb (5) | 0.34 ppb (4) | 9.0 μg/m3 (8) | 4.0 μg/m3 (17) | 28.0 | |
| April 4, 2020, 10 a.m. | 20.1 ppb (19) | 1.9 ppb (2) | 17.2 ppb (16) | 18.0 ppb (17) | 16.4 ppb (15) | 0.0 ppb (0) | 19.0 ppb (15) | 0.23 ppb (3) | 5.0 μg/m3 (5) | 3.0 μg/m3 (12) | 19.0 | |
| April 4, 2020, 9 a.m. | 7.8 ppb (7) | 0.3 ppb (0) | 6.1 ppb (6) | 7.0 ppb (6) | 6.3 ppb (6) | 0.0 ppb (0) | 33.0 ppb (25) | 0.13 ppb (1) | 0.0 μg/m3 (0) | 0.0 μg/m3 (0) | 25.0 | |
| April 4, 2020, 8 a.m. | 2.8 ppb (3) | 0.0 ppb (0) | 2.2 ppb (2) | 3.0 ppb (3) | 2.4 ppb (2) | 0.0 ppb (0) | 44.0 ppb (34) | 0.1 ppb (1) | 0.0 μg/m3 (0) | -4.0 μg/m3 (0) | 34.0 | |
| April 4, 2020, 7 a.m. | 2.3 ppb (2) | 0.0 ppb (0) | 1.8 ppb (2) | 2.0 ppb (2) | 1.9 ppb (2) | 0.0 ppb (0) | 46.0 ppb (35) | 0.1 ppb (1) | 3.0 μg/m3 (3) | 0.0 μg/m3 (0) | 35.0 | |
| April 4, 2020, 6 a.m. | 2.8 ppb (3) | 0.1 ppb (0) | 2.2 ppb (2) | 3.0 ppb (3) | 2.4 ppb (2) | 0.0 ppb (0) | 45.0 ppb (35) | 0.1 ppb (1) | 5.0 μg/m3 (5) | 1.0 μg/m3 (4) | 35.0 | |
| April 4, 2020, 5 a.m. | 2.8 ppb (3) | 0.1 ppb (0) | 2.2 ppb (2) | 3.0 ppb (3) | 2.4 ppb (2) | 0.0 ppb (0) | 46.0 ppb (35) | 0.1 ppb (1) | 3.0 μg/m3 (3) | 0.0 μg/m3 (0) | 35.0 | |
| April 4, 2020, 4 a.m. | 2.3 ppb (2) | 0.0 ppb (0) | 1.8 ppb (2) | 2.0 ppb (2) | 1.9 ppb (2) | 0.0 ppb (0) | 47.0 ppb (36) | 0.1 ppb (1) | 3.0 μg/m3 (3) | -1.0 μg/m3 (0) | 36.0 | |
| April 4, 2020, 3 a.m. | 3.1 ppb (3) | 0.1 ppb (0) | 2.5 ppb (2) | 3.0 ppb (3) | 2.5 ppb (2) | 0.0 ppb (0) | 47.0 ppb (36) | 0.11 ppb (1) | 1.0 μg/m3 (1) | -1.0 μg/m3 (0) | 36.0 | |
| April 4, 2020, 2 a.m. | 2.2 ppb (2) | 0.1 ppb (0) | 1.5 ppb (1) | 2.0 ppb (2) | 1.6 ppb (1) | 0.0 ppb (0) | 47.0 ppb (36) | 0.1 ppb (1) | 3.0 μg/m3 (3) | -2.0 μg/m3 (0) | 36.0 | |
| April 4, 2020, 1 a.m. | 1.7 ppb (2) | 0.1 ppb (0) | 1.1 ppb (1) | 2.0 ppb (2) | 1.2 ppb (1) | 0.0 ppb (0) | 49.0 ppb (38) | 0.09 ppb (1) | 5.0 μg/m3 (5) | -1.0 μg/m3 (0) | 38.0 | |
| April 4, 2020, midnight | 1.8 ppb (2) | 0.3 ppb (0) | 1.2 ppb (1) | 1.0 ppb (1) | 1.1 ppb (1) | 0.0 ppb (0) | 50.0 ppb (38) | 0.1 ppb (1) | 5.0 μg/m3 (5) | -1.0 μg/m3 (0) | 38.0 | |
| April 3, 2020, 11 p.m. | 1.9 ppb (2) | 0.4 ppb (0) | 1.4 ppb (1) | 1.0 ppb (1) | 1.2 ppb (1) | 0.0 ppb (0) | 51.0 ppb (39) | 0.1 ppb (1) | 0.0 μg/m3 (0) | -4.0 μg/m3 (0) | 39.0 | |
| April 3, 2020, 10 p.m. | 1.8 ppb (2) | 0.4 ppb (0) | 1.3 ppb (1) | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | 50.0 ppb (38) | 0.1 ppb (1) | 1.0 μg/m3 (1) | -4.0 μg/m3 (0) | 38.0 | |
| April 3, 2020, 9 p.m. | 1.9 ppb (2) | 0.5 ppb (0) | 1.3 ppb (1) | 1.0 ppb (1) | 1.2 ppb (1) | 0.0 ppb (0) | 52.0 ppb (40) | 0.1 ppb (1) | 3.0 μg/m3 (3) | -1.0 μg/m3 (0) | 40.0 | |
| April 3, 2020, 8 p.m. | 3.6 ppb (3) | 1.1 ppb (1) | 3.1 ppb (3) | 2.0 ppb (2) | 2.4 ppb (2) | 0.0 ppb (0) | 51.0 ppb (39) | 0.12 ppb (1) | 4.0 μg/m3 (4) | 0.0 μg/m3 (0) | 39.0 | |
| April 3, 2020, 7 p.m. | 3.8 ppb (4) | 1.1 ppb (1) | 3.2 ppb (3) | 3.0 ppb (3) | 2.4 ppb (2) | 0.0 ppb (0) | 50.0 ppb (38) | 0.12 ppb (1) | 5.0 μg/m3 (5) | -1.0 μg/m3 (0) | 38.0 | |
| April 3, 2020, 6 p.m. | 5.5 ppb (5) | 1.8 ppb (2) | 4.8 ppb (4) | 4.0 ppb (4) | 3.4 ppb (3) | 0.0 ppb (0) | 47.0 ppb (36) | 0.12 ppb (1) | 8.0 μg/m3 (7) | -2.0 μg/m3 (0) | 36.0 | |
| April 3, 2020, 5 p.m. | 17.1 ppb (16) | 6.9 ppb (6) | 15.8 ppb (15) | 10.0 ppb (9) | 9.7 ppb (9) | 0.0 ppb (0) | 38.0 ppb (29) | 0.17 ppb (2) | 12.0 μg/m3 (11) | 0.0 μg/m3 (0) | 29.0 | |
| April 3, 2020, 4 p.m. | 37.0 ppb (34) | 16.9 ppb (16) | 35.9 ppb (33) | 20.0 ppb (19) | 20.3 ppb (19) | 0.0 ppb (0) | 26.0 ppb (20) | 0.29 ppb (3) | 25.0 μg/m3 (23) | 4.0 μg/m3 (17) | 34.0 | |
| April 3, 2020, 3 p.m. | 78.2 ppb (76) | 46.1 ppb (43) | 76.4 ppb (74) | 32.0 ppb (30) | 32.2 ppb (30) | 1.0 ppb (1) | 12.0 ppb (9) | 0.57 ppb (6) | 46.0 μg/m3 (42) | 7.0 μg/m3 (29) | 76.0 | |
| April 3, 2020, 2 p.m. | 91.3 ppb (90) | 55.7 ppb (52) | 89.9 ppb (88) | 35.0 ppb (32) | 37.3 ppb (35) | 1.0 ppb (1) | 5.0 ppb (4) | 0.72 ppb (8) | 40.0 μg/m3 (36) | 6.0 μg/m3 (25) | 90.0 | |
| April 3, 2020, 1 p.m. | 87.1 ppb (85) | 48.5 ppb (45) | 81.8 ppb (80) | 39.0 ppb (36) | 39.9 ppb (37) | 1.0 ppb (1) | 1.0 ppb (1) | 0.7 ppb (8) | 28.0 μg/m3 (25) | 1.0 μg/m3 (4) | 85.0 | |
| April 3, 2020, noon | 59.1 ppb (55) | 22.2 ppb (21) | 57.9 ppb (54) | 37.0 ppb (34) | 37.8 ppb (35) | 0.0 ppb (0) | 1.0 ppb (1) | 0.42 ppb (5) | 12.0 μg/m3 (11) | 1.0 μg/m3 (4) | 55.0 | |
| April 3, 2020, 11 a.m. | 41.9 ppb (39) | 7.5 ppb (7) | 37.4 ppb (35) | 34.0 ppb (31) | 33.5 ppb (31) | 0.0 ppb (0) | 2.0 ppb (2) | 0.31 ppb (3) | 6.0 μg/m3 (5) | 2.0 μg/m3 (8) | 39.0 | |
| April 3, 2020, 10 a.m. | 31.5 ppb (29) | 3.7 ppb (3) | 28.5 ppb (26) | 28.0 ppb (26) | 27.1 ppb (25) | 0.0 ppb (0) | 8.0 ppb (6) | 0.25 ppb (3) | 9.0 μg/m3 (8) | 2.0 μg/m3 (8) | 29.0 | |
| April 3, 2020, 9 a.m. | 18.5 ppb (17) | 1.0 ppb (1) | 16.7 ppb (15) | 17.0 ppb (16) | 16.5 ppb (15) | 0.0 ppb (0) | 16.0 ppb (12) | 0.22 ppb (2) | 7.0 μg/m3 (6) | 2.0 μg/m3 (8) | 17.0 | |
| April 3, 2020, 8 a.m. | 8.3 ppb (8) | 0.3 ppb (0) | 5.8 ppb (5) | 8.0 ppb (7) | 5.9 ppb (5) | 0.0 ppb (0) | 39.0 ppb (30) | 0.14 ppb (2) | 3.0 μg/m3 (3) | 3.0 μg/m3 (12) | 30.0 | |
| April 3, 2020, 7 a.m. | 8.4 ppb (8) | 0.3 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.16 ppb (2) | 4.0 μg/m3 (4) | 3.0 μg/m3 (12) | 29.0 | |
| April 3, 2020, 6 a.m. | 5.3 ppb (5) | 0.1 ppb (0) | 4.4 ppb (4) | 5.0 ppb (5) | 4.6 ppb (4) | 0.0 ppb (0) | 42.0 ppb (32) | 0.12 ppb (1) | 2.0 μg/m3 (2) | 3.0 μg/m3 (12) | 32.0 | |
| April 3, 2020, 5 a.m. | 4.9 ppb (5) | 0.2 ppb (0) | 3.9 ppb (4) | 5.0 ppb (5) | 4.0 ppb (4) | 0.0 ppb (0) | 44.0 ppb (34) | 0.13 ppb (1) | 5.0 μg/m3 (5) | -2.0 μg/m3 (0) | 34.0 | |
| April 3, 2020, 4 a.m. | 8.1 ppb (8) | 0.6 ppb (1) | 7.2 ppb (7) | 7.0 ppb (6) | 7.0 ppb (6) | 0.0 ppb (0) | 39.0 ppb (30) | 0.14 ppb (2) | 8.0 μg/m3 (7) | 1.0 μg/m3 (4) | 30.0 | |
| April 3, 2020, 3 a.m. | 8.9 ppb (8) | 0.7 ppb (1) | 7.9 ppb (7) | 8.0 ppb (7) | 7.7 ppb (7) | 0.0 ppb (0) | 39.0 ppb (30) | 0.16 ppb (2) | 9.0 μg/m3 (8) | 0.0 μg/m3 (0) | 30.0 | |
| April 3, 2020, 2 a.m. | 5.8 ppb (5) | 0.4 ppb (0) | 5.0 ppb (5) | 5.0 ppb (5) | 4.8 ppb (4) | 0.0 ppb (0) | 44.0 ppb (34) | 0.14 ppb (2) | 8.0 μg/m3 (7) | -2.0 μg/m3 (0) | 34.0 | |
| April 3, 2020, 1 a.m. | 4.5 ppb (4) | 0.5 ppb (0) | 3.6 ppb (3) | 4.0 ppb (4) | 3.4 ppb (3) | 0.0 ppb (0) | 50.0 ppb (38) | 0.13 ppb (1) | 3.0 μg/m3 (3) | 0.0 μg/m3 (0) | 38.0 | |
| April 3, 2020, midnight | 4.4 ppb (4) | 0.9 ppb (1) | 3.5 ppb (3) | 3.0 ppb (3) | 2.9 ppb (3) | 0.0 ppb (0) | 52.0 ppb (40) | 0.12 ppb (1) | 5.0 μg/m3 (5) | -2.0 μg/m3 (0) | 40.0 | |
| April 2, 2020, 11 p.m. | 4.0 ppb (4) | 1.0 ppb (1) | 3.3 ppb (3) | 3.0 ppb (3) | 2.6 ppb (2) | 0.0 ppb (0) | 52.0 ppb (40) | 0.12 ppb (1) | 6.0 μg/m3 (5) | -4.0 μg/m3 (0) | 40.0 | |
| April 2, 2020, 10 p.m. | 4.1 ppb (4) | 1.1 ppb (1) | 3.3 ppb (3) | 3.0 ppb (3) | 2.5 ppb (2) | 0.0 ppb (0) | 51.0 ppb (39) | 0.12 ppb (1) | 3.0 μg/m3 (3) | -4.0 μg/m3 (0) | 39.0 | |
| April 2, 2020, 9 p.m. | 3.5 ppb (3) | 1.1 ppb (1) | 2.8 ppb (3) | 2.0 ppb (2) | 2.1 ppb (2) | 0.0 ppb (0) | 49.0 ppb (38) | 0.11 ppb (1) | 3.0 μg/m3 (3) | -2.0 μg/m3 (0) | 38.0 | |
| April 2, 2020, 8 p.m. | 2.9 ppb (3) | 0.9 ppb (1) | 2.6 ppb (2) | 2.0 ppb (2) | 2.0 ppb (2) | 0.0 ppb (0) | 47.0 ppb (36) | 0.1 ppb (1) | 4.0 μg/m3 (4) | -1.0 μg/m3 (0) | 36.0 | |
| April 2, 2020, 7 p.m. | 4.5 ppb (4) | 1.6 ppb (1) | 3.9 ppb (4) | 3.0 ppb (3) | 2.6 ppb (2) | 0.0 ppb (0) | 44.0 ppb (34) | 0.11 ppb (1) | 7.0 μg/m3 (6) | -2.0 μg/m3 (0) | 34.0 | |
| April 2, 2020, 6 p.m. | 5.2 ppb (5) | 2.0 ppb (2) | 4.7 ppb (4) | 3.0 ppb (3) | 3.1 ppb (3) | 0.0 ppb (0) | 43.0 ppb (33) | 0.1 ppb (1) | 8.0 μg/m3 (7) | -2.0 μg/m3 (0) | 33.0 | |
| April 2, 2020, 5 p.m. | 9.1 ppb (8) | 3.7 ppb (3) | 8.5 ppb (8) | 5.0 ppb (5) | 5.3 ppb (5) | 0.0 ppb (0) | 39.0 ppb (30) | 0.12 ppb (1) | 4.0 μg/m3 (4) | -3.0 μg/m3 (0) | 30.0 | |
| April 2, 2020, 4 p.m. | 17.5 ppb (16) | 7.3 ppb (7) | 16.8 ppb (16) | 10.0 ppb (9) | 10.0 ppb (9) | 0.0 ppb (0) | 32.0 ppb (25) | 0.2 ppb (2) | 5.0 μg/m3 (5) | -2.0 μg/m3 (0) | 25.0 | |
| April 2, 2020, 3 p.m. | 27.8 ppb (26) | 11.8 ppb (11) | 28.1 ppb (26) | 16.0 ppb (15) | 16.5 ppb (15) | 0.0 ppb (0) | 24.0 ppb (18) | 0.26 ppb (3) | 16.0 μg/m3 (15) | -2.0 μg/m3 (0) | 26.0 | |
| April 2, 2020, 2 p.m. | 37.6 ppb (35) | 12.5 ppb (12) | 35.4 ppb (33) | 25.0 ppb (23) | 24.7 ppb (23) | 0.0 ppb (0) | 13.0 ppb (10) | 0.34 ppb (4) | 10.0 μg/m3 (9) | -1.0 μg/m3 (0) | 35.0 | |
| April 2, 2020, 1 p.m. | 35.6 ppb (33) | 6.2 ppb (6) | 33.0 ppb (31) | 29.0 ppb (27) | 28.6 ppb (26) | 0.0 ppb (0) | 7.0 ppb (5) | 0.39 ppb (4) | 4.0 μg/m3 (4) | 0.0 μg/m3 (0) | 33.0 | |
| April 2, 2020, noon | 27.3 ppb (25) | 4.0 ppb (4) | 25.7 ppb (24) | 23.0 ppb (21) | 22.4 ppb (21) | 0.0 ppb (0) | 13.0 ppb (10) | 0.26 ppb (3) | 2.0 μg/m3 (2) | 0.0 μg/m3 (0) | 25.0 | |
| April 2, 2020, 11 a.m. | 17.2 ppb (16) | 1.0 ppb (1) | 16.3 ppb (15) | 16.0 ppb (15) | 16.1 ppb (15) | 0.0 ppb (0) | 21.0 ppb (16) | 0.18 ppb (2) | 2.0 μg/m3 (2) | -1.0 μg/m3 (0) | 16.0 | |
| April 2, 2020, 10 a.m. | 6.5 ppb (6) | 0.5 ppb (0) | 5.2 ppb (5) | 6.0 ppb (6) | 5.2 ppb (5) | 0.0 ppb (0) | 35.0 ppb (27) | 0.14 ppb (2) | 2.0 μg/m3 (2) | 1.0 μg/m3 (4) | 27.0 | |
| April 2, 2020, 9 a.m. | 4.6 ppb (4) | 0.4 ppb (0) | 4.0 ppb (4) | 4.0 ppb (4) | 3.9 ppb (4) | 0.0 ppb (0) | 38.0 ppb (29) | 0.12 ppb (1) | 4.0 μg/m3 (4) | 5.0 μg/m3 (21) | 29.0 | |
| April 2, 2020, 8 a.m. | 6.3 ppb (6) | 1.2 ppb (1) | 5.9 ppb (5) | 5.0 ppb (5) | 5.6 ppb (5) | 0.0 ppb (0) | 40.0 ppb (31) | 0.16 ppb (2) | 8.0 μg/m3 (7) | 7.0 μg/m3 (29) | 31.0 | |
| April 2, 2020, 7 a.m. | 6.2 ppb (6) | 0.4 ppb (0) | 5.5 ppb (5) | 6.0 ppb (6) | 5.5 ppb (5) | 0.0 ppb (0) | 39.0 ppb (30) | 0.13 ppb (1) | 4.0 μg/m3 (4) | 2.0 μg/m3 (8) | 30.0 | |
| April 2, 2020, 6 a.m. | 6.5 ppb (6) | 0.5 ppb (0) | 6.2 ppb (6) | 6.0 ppb (6) | 5.9 ppb (5) | 0.0 ppb (0) | 38.0 ppb (29) | 0.19 ppb (2) | 5.0 μg/m3 (5) | 1.0 μg/m3 (4) | 29.0 | |
| April 2, 2020, 5 a.m. | 8.0 ppb (7) | 1.6 ppb (1) | 8.3 ppb (8) | 6.0 ppb (6) | 7.4 ppb (7) | 0.0 ppb (0) | 39.0 ppb (30) | 0.18 ppb (2) | 8.0 μg/m3 (7) | 3.0 μg/m3 (12) | 30.0 | |
| April 2, 2020, 4 a.m. | 5.2 ppb (5) | 0.9 ppb (1) | 4.8 ppb (4) | 4.0 ppb (4) | 4.5 ppb (4) | 0.0 ppb (0) | 43.0 ppb (33) | 0.15 ppb (2) | 6.0 μg/m3 (5) | 5.0 μg/m3 (21) | 33.0 | |
| April 2, 2020, 3 a.m. | 2.9 ppb (3) | 0.1 ppb (0) | 2.7 ppb (3) | 3.0 ppb (3) | 2.8 ppb (3) | 0.0 ppb (0) | 49.0 ppb (38) | 0.11 ppb (1) | 7.0 μg/m3 (6) | 4.0 μg/m3 (17) | 38.0 | |
| April 2, 2020, 2 a.m. | 2.5 ppb (2) | 0.2 ppb (0) | 2.3 ppb (2) | 2.0 ppb (2) | 2.3 ppb (2) | 0.0 ppb (0) | 52.0 ppb (40) | 0.1 ppb (1) | 5.0 μg/m3 (5) | 2.0 μg/m3 (8) | 40.0 | |
| April 2, 2020, 1 a.m. | 1.8 ppb (2) | 0.2 ppb (0) | 1.7 ppb (2) | 1.0 ppb (1) | 1.6 ppb (1) | 0.0 ppb (0) | 55.0 ppb (42) | 0.09 ppb (1) | 4.0 μg/m3 (4) | 0.0 μg/m3 (0) | 42.0 | |
| April 2, 2020, midnight | 1.8 ppb (2) | 0.3 ppb (0) | 1.7 ppb (2) | 1.0 ppb (1) | 1.4 ppb (1) | 0.0 ppb (0) | 54.0 ppb (42) | 0.1 ppb (1) | 7.0 μg/m3 (6) | -2.0 μg/m3 (0) | 42.0 | |
| April 1, 2020, 11 p.m. | 2.0 ppb (2) | 0.5 ppb (0) | 2.0 ppb (2) | 2.0 ppb (2) | 1.7 ppb (2) | 0.0 ppb (0) | 54.0 ppb (42) | 0.1 ppb (1) | 10.0 μg/m3 (9) | -1.0 μg/m3 (0) | 42.0 | |
| April 1, 2020, 10 p.m. | 2.1 ppb (2) | 0.5 ppb (0) | 2.0 ppb (2) | 2.0 ppb (2) | 1.7 ppb (2) | 0.0 ppb (0) | 54.0 ppb (42) | 0.1 ppb (1) | 3.0 μg/m3 (3) | 0.0 μg/m3 (0) | 42.0 | |
| April 1, 2020, 9 p.m. | 1.7 ppb (2) | 0.4 ppb (0) | 1.6 ppb (1) | 1.0 ppb (1) | 1.4 ppb (1) | 0.0 ppb (0) | 55.0 ppb (42) | 0.11 ppb (1) | 0.0 μg/m3 (0) | -2.0 μg/m3 (0) | 42.0 | |
| April 1, 2020, 8 p.m. | 1.6 ppb (1) | 0.4 ppb (0) | 1.6 ppb (1) | 1.0 ppb (1) | 1.3 ppb (1) | 0.0 ppb (0) | 55.0 ppb (42) | 0.11 ppb (1) | 3.0 μg/m3 (3) | -3.0 μg/m3 (0) | 42.0 | |
| April 1, 2020, 7 p.m. | 1.7 ppb (2) | 0.4 ppb (0) | 1.8 ppb (2) | 1.0 ppb (1) | 1.6 ppb (1) | 0.0 ppb (0) | 57.0 ppb (44) | 0.12 ppb (1) | 6.0 μg/m3 (5) | -4.0 μg/m3 (0) | 44.0 | |
| April 1, 2020, 6 p.m. | 2.5 ppb (2) | 0.7 ppb (1) | 2.4 ppb (2) | 2.0 ppb (2) | 2.0 ppb (2) | 0.0 ppb (0) | 57.0 ppb (44) | 0.12 ppb (1) | 8.0 μg/m3 (7) | -2.0 μg/m3 (0) | 44.0 | |
| April 1, 2020, 5 p.m. | 2.6 ppb (2) | 0.7 ppb (1) | 2.6 ppb (2) | 2.0 ppb (2) | 2.1 ppb (2) | 0.0 ppb (0) | 52.0 ppb (40) | 0.11 ppb (1) | 4.0 μg/m3 (4) | 2.0 μg/m3 (8) | 40.0 | |
| April 1, 2020, 4 p.m. | 2.7 ppb (3) | 0.7 ppb (1) | 2.6 ppb (2) | 2.0 ppb (2) | 2.2 ppb (2) | 0.0 ppb (0) | 50.0 ppb (38) | 0.1 ppb (1) | 2.0 μg/m3 (2) | 1.0 μg/m3 (4) | 38.0 | |
| April 1, 2020, 3 p.m. | 5.3 ppb (5) | 1.2 ppb (1) | 4.8 ppb (4) | 4.0 ppb (4) | 3.9 ppb (4) | 0.0 ppb (0) | 47.0 ppb (36) | 0.12 ppb (1) | 4.0 μg/m3 (4) | -1.0 μg/m3 (0) | 36.0 | |
| April 1, 2020, 2 p.m. | 6.7 ppb (6) | 1.0 ppb (1) | 6.1 ppb (6) | 6.0 ppb (6) | 5.4 ppb (5) | 0.0 ppb (0) | 43.0 ppb (33) | 0.13 ppb (1) | 6.0 μg/m3 (5) | 0.0 μg/m3 (0) | 33.0 | |
| April 1, 2020, 1 p.m. | 6.7 ppb (6) | 0.4 ppb (0) | 5.2 ppb (5) | 6.0 ppb (6) | 5.0 ppb (5) | 0.0 ppb (0) | 41.0 ppb (32) | 0.14 ppb (2) | 8.0 μg/m3 (7) | 1.0 μg/m3 (4) | 32.0 | |
| April 1, 2020, noon | 4.0 ppb (4) | 0.6 ppb (1) | 3.3 ppb (3) | 3.0 ppb (3) | 3.0 ppb (3) | 0.0 ppb (0) | 44.0 ppb (34) | 0.1 ppb (1) | 4.0 μg/m3 (4) | 1.0 μg/m3 (4) | 34.0 | |
| April 1, 2020, 11 a.m. | 3.1 ppb (3) | 0.2 ppb (0) | 2.7 ppb (3) | 3.0 ppb (3) | 2.6 ppb (2) | 0.0 ppb (0) | 45.0 ppb (35) | 0.1 ppb (1) | 2.0 μg/m3 (2) | -3.0 μg/m3 (0) | 35.0 | |
| April 1, 2020, 10 a.m. | 3.5 ppb (3) | 0.1 ppb (0) | 3.0 ppb (3) | 3.0 ppb (3) | 3.1 ppb (3) | 0.0 ppb (0) | 46.0 ppb (35) | 0.1 ppb (1) | 1.0 μg/m3 (1) | -3.0 μg/m3 (0) | 35.0 | |
| April 1, 2020, 9 a.m. | 5.6 ppb (5) | 0.1 ppb (0) | 4.7 ppb (4) | 6.0 ppb (6) | 4.7 ppb (4) | 0.0 ppb (0) | 42.0 ppb (32) | 0.1 ppb (1) | 0.0 μg/m3 (0) | 0.0 μg/m3 (0) | 32.0 | |
| April 1, 2020, 8 a.m. | 6.9 ppb (6) | 0.1 ppb (0) | 5.4 ppb (5) | 7.0 ppb (6) | 5.4 ppb (5) | 0.0 ppb (0) | 39.0 ppb (30) | 0.11 ppb (1) | 0.0 μg/m3 (0) | 2.0 μg/m3 (8) | 30.0 | |
| April 1, 2020, 7 a.m. | 2.9 ppb (3) | 0.0 ppb (0) | 2.2 ppb (2) | 3.0 ppb (3) | 2.4 ppb (2) | 0.0 ppb (0) | 43.0 ppb (33) | 0.09 ppb (1) | 2.0 μg/m3 (2) | -1.0 μg/m3 (0) | 33.0 | |
| April 1, 2020, 6 a.m. | 1.8 ppb (2) | 0.0 ppb (0) | 1.3 ppb (1) | 2.0 ppb (2) | 1.5 ppb (1) | 0.0 ppb (0) | 46.0 ppb (35) | 0.08 ppb (1) | 3.0 μg/m3 (3) | -1.0 μg/m3 (0) | 35.0 | |
| April 1, 2020, 5 a.m. | 1.2 ppb (1) | 0.0 ppb (0) | 1.1 ppb (1) | 1.0 ppb (1) | 1.2 ppb (1) | 0.0 ppb (0) | 47.0 ppb (36) | 0.08 ppb (1) | 0.0 μg/m3 (0) | -1.0 μg/m3 (0) | 36.0 | |
| April 1, 2020, 4 a.m. | 1.8 ppb (2) | 0.1 ppb (0) | 1.7 ppb (2) | 2.0 ppb (2) | 1.7 ppb (2) | 0.0 ppb (0) | 46.0 ppb (35) | 0.09 ppb (1) | 1.0 μg/m3 (1) | -1.0 μg/m3 (0) | 35.0 | |
| April 1, 2020, 3 a.m. | 1.6 ppb (1) | 0.1 ppb (0) | 1.5 ppb (1) | 1.0 ppb (1) | 1.5 ppb (1) | 0.0 ppb (0) | 46.0 ppb (35) | 0.08 ppb (1) | 2.0 μg/m3 (2) | -1.0 μg/m3 (0) | 35.0 | |
| April 1, 2020, 2 a.m. | 1.7 ppb (2) | 0.1 ppb (0) | 1.5 ppb (1) | 2.0 ppb (2) | 1.5 ppb (1) | 0.0 ppb (0) | 46.0 ppb (35) | 0.1 ppb (1) | 2.0 μg/m3 (2) | -3.0 μg/m3 (0) | 35.0 | |
| April 1, 2020, 1 a.m. | 1.2 ppb (1) | 0.1 ppb (0) | 1.1 ppb (1) | 1.0 ppb (1) | 1.2 ppb (1) | 0.0 ppb (0) | 47.0 ppb (36) | 0.09 ppb (1) | 0.0 μg/m3 (0) | -4.0 μg/m3 (0) | 36.0 | |
| April 1, 2020, midnight | 1.3 ppb (1) | 0.3 ppb (0) | 1.2 ppb (1) | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | 47.0 ppb (36) | 0.09 ppb (1) | 1.0 μg/m3 (1) | -1.0 μg/m3 (0) | 36.0 | |
| March 31, 2020, 11 p.m. | 1.4 ppb (1) | 0.3 ppb (0) | 1.3 ppb (1) | 1.0 ppb (1) | 1.1 ppb (1) | 0.0 ppb (0) | 48.0 ppb (37) | 0.09 ppb (1) | 4.0 μg/m3 (4) | -1.0 μg/m3 (0) | 37.0 | |
| March 31, 2020, 10 p.m. | 1.5 ppb (1) | 0.4 ppb (0) | 1.3 ppb (1) | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | 48.0 ppb (37) | 0.09 ppb (1) | 3.0 μg/m3 (3) | -3.0 μg/m3 (0) | 37.0 | |
| March 31, 2020, 9 p.m. | 1.2 ppb (1) | 0.3 ppb (0) | 1.2 ppb (1) | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | 47.0 ppb (36) | 0.09 ppb (1) | 2.0 μg/m3 (2) | -2.0 μg/m3 (0) | 36.0 | |
| March 31, 2020, 8 p.m. | 1.1 ppb (1) | 0.3 ppb (0) | 1.1 ppb (1) | 1.0 ppb (1) | 0.9 ppb (1) | 0.0 ppb (0) | 47.0 ppb (36) | 0.09 ppb (1) | -1.0 μg/m3 (0) | -3.0 μg/m3 (0) | 36.0 | |
| March 31, 2020, 7 p.m. | 1.3 ppb (1) | 0.3 ppb (0) | 0.9 ppb (1) | 1.0 ppb (1) | 0.8 ppb (1) | 0.0 ppb (0) | 47.0 ppb (36) | 0.08 ppb (1) | -2.0 μg/m3 (0) | -4.0 μg/m3 (0) | 36.0 | |
| March 31, 2020, 6 p.m. | 1.5 ppb (1) | 0.4 ppb (0) | 1.1 ppb (1) | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | 45.0 ppb (35) | 0.09 ppb (1) | 2.0 μg/m3 (2) | -4.0 μg/m3 (0) | 35.0 | |
| March 31, 2020, 5 p.m. | 1.8 ppb (2) | 0.4 ppb (0) | 1.1 ppb (1) | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | 44.0 ppb (34) | 0.09 ppb (1) | 4.0 μg/m3 (4) | N/A | 34.0 | |
| March 31, 2020, 4 p.m. | 3.7 ppb (3) | 0.6 ppb (1) | 3.1 ppb (3) | 3.0 ppb (3) | 2.7 ppb (3) | 0.0 ppb (0) | 41.0 ppb (32) | 0.1 ppb (1) | 4.0 μg/m3 (4) | -1.0 μg/m3 (0) | 32.0 | |
| March 31, 2020, 3 p.m. | 3.9 ppb (4) | 0.7 ppb (1) | 3.3 ppb (3) | 3.0 ppb (3) | 2.7 ppb (3) | 0.0 ppb (0) | 41.0 ppb (32) | 0.1 ppb (1) | 1.0 μg/m3 (1) | 1.0 μg/m3 (4) | 32.0 | |
| March 31, 2020, 2 p.m. | 5.4 ppb (5) | 0.3 ppb (0) | 4.5 ppb (4) | 5.0 ppb (5) | 4.4 ppb (4) | 0.0 ppb (0) | 39.0 ppb (30) | 0.1 ppb (1) | 2.0 μg/m3 (2) | 0.0 μg/m3 (0) | 30.0 | |
| March 31, 2020, 1 p.m. | 6.1 ppb (6) | 0.4 ppb (0) | 4.4 ppb (4) | 6.0 ppb (6) | 4.5 ppb (4) | 0.0 ppb (0) | 37.0 ppb (28) | 0.13 ppb (1) | 2.0 μg/m3 (2) | 0.0 μg/m3 (0) | 28.0 | |
| March 31, 2020, noon | 5.9 ppb (5) | 0.2 ppb (0) | 4.3 ppb (4) | 6.0 ppb (6) | 4.4 ppb (4) | 0.0 ppb (0) | 37.0 ppb (28) | 0.11 ppb (1) | -4.0 μg/m3 (0) | 0.0 μg/m3 (0) | 28.0 | |
| March 31, 2020, 11 a.m. | 2.2 ppb (2) | 0.0 ppb (0) | 1.5 ppb (1) | 2.0 ppb (2) | 1.6 ppb (1) | 0.0 ppb (0) | 41.0 ppb (32) | 0.07 ppb (1) | -3.0 μg/m3 (0) | -3.0 μg/m3 (0) | 32.0 | |
| March 31, 2020, 10 a.m. | 3.7 ppb (3) | 0.1 ppb (0) | 2.4 ppb (2) | 4.0 ppb (4) | 2.5 ppb (2) | 0.0 ppb (0) | 40.0 ppb (31) | 0.09 ppb (1) | 0.0 μg/m3 (0) | -3.0 μg/m3 (0) | 31.0 | |
| March 31, 2020, 9 a.m. | 4.1 ppb (4) | 0.0 ppb (0) | 3.0 ppb (3) | 4.0 ppb (4) | 3.2 ppb (3) | 0.0 ppb (0) | 40.0 ppb (31) | 0.09 ppb (1) | -1.0 μg/m3 (0) | 1.0 μg/m3 (4) | 31.0 | |
| March 31, 2020, 8 a.m. | 4.6 ppb (4) | 0.1 ppb (0) | 3.4 ppb (3) | 4.0 ppb (4) | 3.6 ppb (3) | 0.0 ppb (0) | 39.0 ppb (30) | 0.09 ppb (1) | -1.0 μg/m3 (0) | 1.0 μg/m3 (4) | 30.0 | |
| March 31, 2020, 7 a.m. | 2.1 ppb (2) | 0.0 ppb (0) | 1.4 ppb (1) | 2.0 ppb (2) | 1.6 ppb (1) | 0.0 ppb (0) | 43.0 ppb (33) | 0.08 ppb (1) | 1.0 μg/m3 (1) | -2.0 μg/m3 (0) | 33.0 | |
| March 31, 2020, 6 a.m. | 1.7 ppb (2) | 0.0 ppb (0) | 1.1 ppb (1) | 2.0 ppb (2) | 1.3 ppb (1) | 0.0 ppb (0) | 44.0 ppb (34) | 0.07 ppb (1) | 2.0 μg/m3 (2) | -2.0 μg/m3 (0) | 34.0 | |
| March 31, 2020, 5 a.m. | 2.5 ppb (2) | 0.0 ppb (0) | 2.0 ppb (2) | 2.0 ppb (2) | 2.2 ppb (2) | 0.0 ppb (0) | 43.0 ppb (33) | 0.09 ppb (1) | 2.0 μg/m3 (2) | -1.0 μg/m3 (0) | 33.0 | |
| March 31, 2020, 4 a.m. | 3.4 ppb (3) | 0.0 ppb (0) | 2.7 ppb (3) | 3.0 ppb (3) | 2.7 ppb (3) | 0.0 ppb (0) | 43.0 ppb (33) | 0.1 ppb (1) | 2.0 μg/m3 (2) | -1.0 μg/m3 (0) | 33.0 | |
| March 31, 2020, 3 a.m. | 4.0 ppb (4) | 0.2 ppb (0) | 3.0 ppb (3) | 4.0 ppb (4) | 3.1 ppb (3) | 0.0 ppb (0) | 42.0 ppb (32) | 0.09 ppb (1) | 3.0 μg/m3 (3) | -1.0 μg/m3 (0) | 32.0 | |
| March 31, 2020, 2 a.m. | 2.5 ppb (2) | 0.0 ppb (0) | 1.9 ppb (2) | 2.0 ppb (2) | 2.0 ppb (2) | 0.0 ppb (0) | 43.0 ppb (33) | 0.09 ppb (1) | 0.0 μg/m3 (0) | -1.0 μg/m3 (0) | 33.0 | |
| March 31, 2020, 1 a.m. | 2.2 ppb (2) | 0.2 ppb (0) | 1.7 ppb (2) | 2.0 ppb (2) | 1.6 ppb (1) | 0.0 ppb (0) | 44.0 ppb (34) | 0.09 ppb (1) | 0.0 μg/m3 (0) | -1.0 μg/m3 (0) | 34.0 | |
| March 31, 2020, midnight | 1.7 ppb (2) | 0.3 ppb (0) | 1.1 ppb (1) | 1.0 ppb (1) | 1.0 ppb (1) | 0.0 ppb (0) | 45.0 ppb (35) | 0.08 ppb (1) | 3.0 μg/m3 (3) | N/A | 35.0 | |
| March 30, 2020, 11 p.m. | 2.6 ppb (2) | 0.7 ppb (1) | 1.9 ppb (2) | 2.0 ppb (2) | 1.6 ppb (1) | 0.0 ppb (0) | 45.0 ppb (35) | 0.09 ppb (1) | 5.0 μg/m3 (5) | N/A | 35.0 | |
| March 30, 2020, 10 p.m. | 3.1 ppb (3) | 0.8 ppb (1) | 2.0 ppb (2) | 2.0 ppb (2) | 1.7 ppb (2) | 0.0 ppb (0) | 46.0 ppb (35) | 0.09 ppb (1) | 5.0 μg/m3 (5) | -2.0 μg/m3 (0) | 35.0 | |
| March 30, 2020, 9 p.m. | N/A | N/A | 2.7 ppb (3) | N/A | 2.2 ppb (2) | 0.0 ppb (0) | 46.0 ppb (35) | 0.09 ppb (1) | N/A | N/A | 35.0 | |
| March 30, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.09 ppb (1) | 3.0 μg/m3 (3) | -2.0 μg/m3 (0) | 36.0 | |
| March 30, 2020, 7 p.m. | 2.7 ppb (3) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 49.0 ppb (38) | 0.1 ppb (1) | 0.0 μg/m3 (0) | -2.0 μg/m3 (0) | 38.0 | |
| March 30, 2020, 6 p.m. | 3.9 ppb (4) | 1.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.07 ppb (1) | 4.0 μg/m3 (4) | 0.0 μg/m3 (0) | 27.0 | |
| March 30, 2020, 5 p.m. | 6.5 ppb (6) | 2.2 ppb (2) | 6.2 ppb (6) | 4.0 ppb (4) | 4.2 ppb (4) | N/A | N/A | N/A | 6.0 μg/m3 (5) | 1.0 μg/m3 (4) | 6.0 | |
| March 30, 2020, 4 p.m. | 11.3 ppb (10) | 3.5 ppb (3) | 10.2 ppb (9) | 8.0 ppb (7) | 7.2 ppb (7) | N/A | N/A | N/A | 7.0 μg/m3 (6) | -2.0 μg/m3 (0) | 10.0 | |
| March 30, 2020, 3 p.m. | 23.4 ppb (22) | 4.3 ppb (4) | 21.7 ppb (20) | 19.0 ppb (18) | 18.3 ppb (17) | 0.0 ppb (0) | 26.0 ppb (20) | 0.21 ppb (2) | 13.0 μg/m3 (12) | -2.0 μg/m3 (0) | 22.0 | |
| March 30, 2020, 2 p.m. | 38.9 ppb (36) | 6.9 ppb (6) | 36.2 ppb (34) | 32.0 ppb (30) | 30.7 ppb (28) | 0.0 ppb (0) | 14.0 ppb (11) | 0.34 ppb (4) | 19.0 μg/m3 (17) | -1.0 μg/m3 (0) | 36.0 | |
| March 30, 2020, 1 p.m. | 43.0 ppb (40) | 8.5 ppb (8) | 39.3 ppb (36) | 34.0 ppb (31) | 32.9 ppb (30) | 0.0 ppb (0) | 8.0 ppb (6) | 0.38 ppb (4) | 14.0 μg/m3 (13) | -1.0 μg/m3 (0) | 40.0 | |
| March 30, 2020, noon | 27.8 ppb (26) | 2.5 ppb (2) | 24.5 ppb (23) | 25.0 ppb (23) | 23.4 ppb (22) | 0.0 ppb (0) | 16.0 ppb (12) | 0.27 ppb (3) | 7.0 μg/m3 (6) | 1.0 μg/m3 (4) | 26.0 | |
| March 30, 2020, 11 a.m. | 24.0 ppb (22) | 1.4 ppb (1) | 22.1 ppb (20) | 23.0 ppb (21) | 21.6 ppb (20) | 0.0 ppb (0) | 17.0 ppb (13) | 0.22 ppb (2) | 10.0 μg/m3 (9) | 3.0 μg/m3 (12) | 22.0 | |
| March 30, 2020, 10 a.m. | 20.7 ppb (19) | 1.2 ppb (1) | 18.5 ppb (17) | 19.0 ppb (18) | 18.5 ppb (17) | 0.0 ppb (0) | 19.0 ppb (15) | 0.22 ppb (2) | 10.0 μg/m3 (9) | 5.0 μg/m3 (21) | 21.0 | |
| March 30, 2020, 9 a.m. | 27.3 ppb (25) | 1.4 ppb (1) | 25.3 ppb (23) | 26.0 ppb (24) | 24.9 ppb (23) | 0.0 ppb (0) | 14.0 ppb (11) | 0.27 ppb (3) | 11.0 μg/m3 (10) | 3.0 μg/m3 (12) | 25.0 | |
| March 30, 2020, 8 a.m. | 20.9 ppb (19) | 2.1 ppb (2) | 17.1 ppb (16) | 19.0 ppb (18) | 16.7 ppb (15) | 0.0 ppb (0) | 20.0 ppb (15) | 0.23 ppb (3) | 5.0 μg/m3 (5) | 3.0 μg/m3 (12) | 19.0 | |
| March 30, 2020, 7 a.m. | 9.3 ppb (9) | 0.4 ppb (0) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.16 ppb (2) | 3.0 μg/m3 (3) | 1.0 μg/m3 (4) | 25.0 | |
| March 30, 2020, 6 a.m. | 6.7 ppb (6) | 0.2 ppb (0) | 5.8 ppb (5) | 6.0 ppb (6) | 6.0 ppb (6) | 0.0 ppb (0) | 40.0 ppb (31) | 0.14 ppb (2) | 1.0 μg/m3 (1) | -1.0 μg/m3 (0) | 31.0 | |
| March 30, 2020, 5 a.m. | 3.3 ppb (3) | 0.3 ppb (0) | 2.6 ppb (2) | 3.0 ppb (3) | 2.6 ppb (2) | 0.0 ppb (0) | 46.0 ppb (35) | 0.11 ppb (1) | 1.0 μg/m3 (1) | -3.0 μg/m3 (0) | 35.0 | |
| March 30, 2020, 4 a.m. | 2.5 ppb (2) | 0.1 ppb (0) | 2.0 ppb (2) | 2.0 ppb (2) | 2.1 ppb (2) | 0.0 ppb (0) | 48.0 ppb (37) | 0.11 ppb (1) | 1.0 μg/m3 (1) | -2.0 μg/m3 (0) | 37.0 | |
| March 30, 2020, 3 a.m. | 4.1 ppb (4) | 0.3 ppb (0) | 3.3 ppb (3) | 4.0 ppb (4) | 3.3 ppb (3) | 0.0 ppb (0) | 47.0 ppb (36) | 0.12 ppb (1) | 0.0 μg/m3 (0) | -1.0 μg/m3 (0) | 36.0 | |
| March 30, 2020, 2 a.m. | 2.5 ppb (2) | 0.1 ppb (0) | 1.9 ppb (2) | 2.0 ppb (2) | 1.9 ppb (2) | 0.0 ppb (0) | 49.0 ppb (38) | 0.11 ppb (1) | -2.0 μg/m3 (0) | -1.0 μg/m3 (0) | 38.0 | |
| March 30, 2020, 1 a.m. | 1.7 ppb (2) | 0.2 ppb (0) | 1.2 ppb (1) | 2.0 ppb (2) | 1.2 ppb (1) | 0.0 ppb (0) | 52.0 ppb (40) | 0.1 ppb (1) | -2.0 μg/m3 (0) | -1.0 μg/m3 (0) | 40.0 | |
| March 30, 2020, midnight | 1.5 ppb (1) | 0.2 ppb (0) | 0.9 ppb (1) | 1.0 ppb (1) | 0.9 ppb (1) | 0.0 ppb (0) | 55.0 ppb (42) | 0.1 ppb (1) | 3.0 μg/m3 (3) | -2.0 μg/m3 (0) | 42.0 | |
| March 29, 2020, 11 p.m. | 1.6 ppb (1) | 0.3 ppb (0) | 0.9 ppb (1) | 1.0 ppb (1) | 0.9 ppb (1) | 0.0 ppb (0) | 57.0 ppb (44) | 0.1 ppb (1) | 4.0 μg/m3 (4) | -1.0 μg/m3 (0) | 44.0 | |
| March 29, 2020, 10 p.m. | 1.6 ppb (1) | 0.3 ppb (0) | 0.9 ppb (1) | 1.0 ppb (1) | 0.9 ppb (1) | 0.0 ppb (0) | 56.0 ppb (43) | 0.1 ppb (1) | -3.0 μg/m3 (0) | -3.0 μg/m3 (0) | 43.0 | |
| March 29, 2020, 9 p.m. | 1.4 ppb (1) | 0.3 ppb (0) | 0.9 ppb (1) | 1.0 ppb (1) | 0.8 ppb (1) | 0.0 ppb (0) | 55.0 ppb (42) | 0.1 ppb (1) | -1.0 μg/m3 (0) | -4.0 μg/m3 (0) | 42.0 | |
| March 29, 2020, 8 p.m. | 2.5 ppb (2) | 0.7 ppb (1) | 1.8 ppb (2) | 2.0 ppb (2) | 1.4 ppb (1) | 0.0 ppb (0) | 52.0 ppb (40) | 0.1 ppb (1) | 1.0 μg/m3 (1) | N/A | 40.0 | |
| March 29, 2020, 7 p.m. | 3.0 ppb (3) | 0.9 ppb (1) | 2.1 ppb (2) | 2.0 ppb (2) | 1.7 ppb (2) | 0.0 ppb (0) | 49.0 ppb (38) | 0.11 ppb (1) | 1.0 μg/m3 (1) | -3.0 μg/m3 (0) | 38.0 | |
| March 29, 2020, 6 p.m. | 4.0 ppb (4) | 1.2 ppb (1) | 3.1 ppb (3) | 3.0 ppb (3) | 2.5 ppb (2) | 0.0 ppb (0) | 45.0 ppb (35) | 0.11 ppb (1) | 0.0 μg/m3 (0) | -1.0 μg/m3 (0) | 35.0 | |
| March 29, 2020, 5 p.m. | 4.5 ppb (4) | 1.0 ppb (1) | 3.5 ppb (3) | 3.0 ppb (3) | 2.9 ppb (3) | 0.0 ppb (0) | 45.0 ppb (35) | 0.11 ppb (1) | -2.0 μg/m3 (0) | -1.0 μg/m3 (0) | 35.0 | |
| March 29, 2020, 4 p.m. | 6.3 ppb (6) | 1.9 ppb (2) | 5.1 ppb (5) | 4.0 ppb (4) | 3.8 ppb (4) | 0.0 ppb (0) | 41.0 ppb (32) | 0.14 ppb (2) | 2.0 μg/m3 (2) | -2.0 μg/m3 (0) | 32.0 | |
| March 29, 2020, 3 p.m. | 17.7 ppb (16) | 3.9 ppb (4) | 16.6 ppb (15) | 14.0 ppb (13) | 13.4 ppb (12) | 0.0 ppb (0) | 26.0 ppb (20) | 0.19 ppb (2) | 5.0 μg/m3 (5) | 0.0 μg/m3 (0) | 20.0 | |
| March 29, 2020, 2 p.m. | 23.3 ppb (22) | 3.7 ppb (3) | 21.5 ppb (20) | 20.0 ppb (19) | 19.0 ppb (18) | 0.0 ppb (0) | 16.0 ppb (12) | 0.21 ppb (2) | 2.0 μg/m3 (2) | 1.0 μg/m3 (4) | 22.0 | |
| March 29, 2020, 1 p.m. | 24.1 ppb (22) | 2.0 ppb (2) | 22.9 ppb (21) | 22.0 ppb (20) | 21.9 ppb (20) | 0.0 ppb (0) | 10.0 ppb (8) | 0.21 ppb (2) | 2.0 μg/m3 (2) | -1.0 μg/m3 (0) | 22.0 | |
| March 29, 2020, noon | 15.1 ppb (14) | 0.7 ppb (1) | 14.1 ppb (13) | 14.0 ppb (13) | 14.0 ppb (13) | 0.0 ppb (0) | 20.0 ppb (15) | 0.17 ppb (2) | 2.0 μg/m3 (2) | -2.0 μg/m3 (0) | 15.0 | |
| March 29, 2020, 11 a.m. | 15.1 ppb (14) | 0.6 ppb (1) | 14.1 ppb (13) | 14.0 ppb (13) | 14.2 ppb (13) | 0.0 ppb (0) | 22.0 ppb (17) | 0.15 ppb (2) | 0.0 μg/m3 (0) | -3.0 μg/m3 (0) | 17.0 | |
| March 29, 2020, 10 a.m. | 8.4 ppb (8) | 0.2 ppb (0) | 7.4 ppb (7) | 8.0 ppb (7) | 7.6 ppb (7) | 0.0 ppb (0) | 31.0 ppb (24) | 0.15 ppb (2) | 3.0 μg/m3 (3) | -1.0 μg/m3 (0) | 24.0 |