Newark (Hillside Ave) NJ, US: 40.720989, -74.192894
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 28, 2020, 10 a.m. | 17.0 ppb (16) | 1.0 ppb (1) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | N/A | N/A | 1.2 μg/m3 (5) | 16.0 | |
| March 28, 2020, 9 a.m. | 15.0 ppb (14) | 1.0 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | 24.0 ppb (18) | 0.23 ppb (3) | N/A | 1.0 μg/m3 (4) | 18.0 | |
| March 28, 2020, 8 a.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | N/A | 0.4 μg/m3 (2) | 10.0 | |
| March 28, 2020, 7 a.m. | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | N/A | 0.7 μg/m3 (3) | 9.0 | |
| March 28, 2020, 6 a.m. | 9.0 ppb (8) | 1.0 ppb (1) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.21 ppb (2) | N/A | 0.4 μg/m3 (2) | 26.0 | |
| March 28, 2020, 5 a.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.23 ppb (3) | N/A | N/A | 24.0 | |
| March 28, 2020, 4 a.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.22 ppb (2) | N/A | -0.1 μg/m3 (0) | 25.0 | |
| March 28, 2020, 3 a.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.24 ppb (3) | N/A | -3.0 μg/m3 (0) | 25.0 | |
| March 28, 2020, 2 a.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.25 ppb (3) | N/A | -2.8 μg/m3 (0) | 28.0 | |
| March 28, 2020, 1 a.m. | 27.0 ppb (25) | 3.0 ppb (3) | N/A | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.41 ppb (5) | N/A | 1.4 μg/m3 (6) | 25.0 | |
| March 28, 2020, midnight | 34.0 ppb (31) | 5.0 ppb (5) | N/A | 28.0 ppb (26) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.48 ppb (5) | N/A | 3.7 μg/m3 (15) | 31.0 | |
| March 27, 2020, 11 p.m. | 14.0 ppb (13) | 1.0 ppb (1) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.3 ppb (3) | N/A | 3.4 μg/m3 (14) | 27.0 | |
| March 27, 2020, 10 p.m. | 8.0 ppb (7) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 45.0 ppb (35) | 0.19 ppb (2) | N/A | 4.2 μg/m3 (18) | 35.0 | |
| March 27, 2020, 9 p.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.17 ppb (2) | N/A | N/A | 36.0 | |
| March 27, 2020, 8 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.17 ppb (2) | N/A | 10.5 μg/m3 (44) | 44.0 | |
| March 27, 2020, 7 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.17 ppb (2) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| March 27, 2020, 6 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 46.0 ppb (35) | 0.18 ppb (2) | N/A | 11.6 μg/m3 (48) | 48.0 | |
| March 27, 2020, 5 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 45.0 ppb (35) | 0.2 ppb (2) | N/A | 12.6 μg/m3 (51) | 51.0 | |
| March 27, 2020, 4 p.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.21 ppb (2) | N/A | 13.7 μg/m3 (54) | 54.0 | |
| March 27, 2020, 3 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.21 ppb (2) | N/A | 11.1 μg/m3 (46) | 46.0 | |
| March 27, 2020, 2 p.m. | 9.0 ppb (8) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.21 ppb (2) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| March 27, 2020, 1 p.m. | 17.0 ppb (16) | 6.0 ppb (6) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.28 ppb (3) | N/A | N/A | 18.0 | |
| March 27, 2020, noon | 29.0 ppb (27) | 7.0 ppb (6) | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.35 ppb (4) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| March 27, 2020, 11 a.m. | 35.0 ppb (32) | 7.0 ppb (6) | N/A | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 6.0 ppb (5) | 0.38 ppb (4) | N/A | 7.0 μg/m3 (29) | 32.0 | |
| March 27, 2020, 10 a.m. | 28.0 ppb (26) | 4.0 ppb (4) | N/A | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | N/A | N/A | 7.5 μg/m3 (31) | 31.0 | |
| March 27, 2020, 9 a.m. | 19.0 ppb (18) | 2.0 ppb (2) | N/A | 17.0 ppb (16) | N/A | N/A | 17.0 ppb (13) | 0.27 ppb (3) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| March 27, 2020, 8 a.m. | 15.0 ppb (14) | 2.0 ppb (2) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | N/A | 0.25 ppb (3) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| March 27, 2020, 7 a.m. | 14.0 ppb (13) | 2.0 ppb (2) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | 0.23 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| March 27, 2020, 6 a.m. | 13.0 ppb (12) | 2.0 ppb (2) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.23 ppb (3) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| March 27, 2020, 5 a.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.22 ppb (2) | N/A | N/A | 24.0 | |
| March 27, 2020, 4 a.m. | 14.0 ppb (13) | 2.0 ppb (2) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.24 ppb (3) | N/A | 3.7 μg/m3 (15) | 24.0 | |
| March 27, 2020, 3 a.m. | 17.0 ppb (16) | 1.0 ppb (1) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.27 ppb (3) | N/A | 3.4 μg/m3 (14) | 22.0 | |
| March 27, 2020, 2 a.m. | 23.0 ppb (21) | 1.0 ppb (1) | N/A | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.28 ppb (3) | N/A | 2.5 μg/m3 (10) | 21.0 | |
| March 27, 2020, 1 a.m. | 31.0 ppb (29) | 2.0 ppb (2) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.32 ppb (4) | N/A | 2.6 μg/m3 (11) | 29.0 | |
| March 27, 2020, midnight | 48.0 ppb (44) | 9.0 ppb (8) | N/A | 39.0 ppb (36) | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.37 ppb (4) | N/A | 5.5 μg/m3 (23) | 44.0 | |
| March 26, 2020, 11 p.m. | 47.0 ppb (44) | 7.0 ppb (6) | N/A | 39.0 ppb (36) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.34 ppb (4) | N/A | 9.8 μg/m3 (41) | 44.0 | |
| March 26, 2020, 10 p.m. | 38.0 ppb (35) | 7.0 ppb (6) | N/A | 30.0 ppb (28) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.31 ppb (3) | N/A | 10.4 μg/m3 (43) | 43.0 | |
| March 26, 2020, 9 p.m. | 21.0 ppb (19) | 6.0 ppb (6) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.25 ppb (3) | N/A | N/A | 25.0 | |
| March 26, 2020, 8 p.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.2 ppb (2) | N/A | 14.9 μg/m3 (56) | 56.0 | |
| March 26, 2020, 7 p.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.2 ppb (2) | N/A | 15.7 μg/m3 (58) | 58.0 | |
| March 26, 2020, 6 p.m. | 9.0 ppb (8) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.2 ppb (2) | N/A | 16.2 μg/m3 (59) | 59.0 | |
| March 26, 2020, 5 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.2 ppb (2) | N/A | 17.6 μg/m3 (62) | 62.0 | |
| March 26, 2020, 4 p.m. | 10.0 ppb (9) | 4.0 ppb (4) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.21 ppb (2) | N/A | 16.8 μg/m3 (60) | 60.0 | |
| March 26, 2020, 3 p.m. | 12.0 ppb (11) | 4.0 ppb (4) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.24 ppb (3) | N/A | 13.7 μg/m3 (54) | 54.0 | |
| March 26, 2020, 2 p.m. | 17.0 ppb (16) | 6.0 ppb (6) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.26 ppb (3) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| March 26, 2020, 1 p.m. | 23.0 ppb (21) | 8.0 ppb (7) | N/A | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.28 ppb (3) | N/A | N/A | 21.0 | |
| March 26, 2020, noon | 25.0 ppb (23) | 8.0 ppb (7) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.31 ppb (3) | N/A | 2.5 μg/m3 (10) | 23.0 | |
| March 26, 2020, 11 a.m. | 44.0 ppb (41) | 14.0 ppb (13) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.68 ppb (8) | N/A | 3.1 μg/m3 (13) | 41.0 | |
| March 26, 2020, 10 a.m. | 42.0 ppb (39) | 10.0 ppb (9) | N/A | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 6.0 ppb (5) | N/A | N/A | 2.3 μg/m3 (10) | 39.0 | |
| March 26, 2020, 9 a.m. | 33.0 ppb (31) | 5.0 ppb (5) | N/A | 27.0 ppb (25) | N/A | N/A | 9.0 ppb (7) | 0.42 ppb (5) | N/A | 2.8 μg/m3 (12) | 31.0 | |
| March 26, 2020, 8 a.m. | 21.0 ppb (19) | 3.0 ppb (3) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | N/A | 0.26 ppb (3) | N/A | 1.4 μg/m3 (6) | 19.0 | |
| March 26, 2020, 7 a.m. | 19.0 ppb (18) | 2.0 ppb (2) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | N/A | 0.27 ppb (3) | N/A | 1.4 μg/m3 (6) | 18.0 | |
| March 26, 2020, 6 a.m. | 14.0 ppb (13) | 2.0 ppb (2) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.21 ppb (2) | N/A | 1.5 μg/m3 (6) | 19.0 | |
| March 26, 2020, 5 a.m. | 18.0 ppb (17) | 2.0 ppb (2) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.28 ppb (3) | N/A | N/A | 17.0 | |
| March 26, 2020, 4 a.m. | 14.0 ppb (13) | 2.0 ppb (2) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.24 ppb (3) | N/A | 2.9 μg/m3 (12) | 19.0 | |
| March 26, 2020, 3 a.m. | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.2 ppb (2) | N/A | 4.6 μg/m3 (19) | 22.0 | |
| March 26, 2020, 2 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.19 ppb (2) | N/A | 3.7 μg/m3 (15) | 24.0 | |
| March 26, 2020, 1 a.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.21 ppb (2) | N/A | 4.5 μg/m3 (19) | 21.0 | |
| March 26, 2020, midnight | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.21 ppb (2) | N/A | 4.4 μg/m3 (18) | 23.0 | |
| March 25, 2020, 11 p.m. | 11.0 ppb (10) | 2.0 ppb (2) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.21 ppb (2) | N/A | 3.6 μg/m3 (15) | 25.0 | |
| March 25, 2020, 10 p.m. | 9.0 ppb (8) | 2.0 ppb (2) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.19 ppb (2) | N/A | 3.0 μg/m3 (12) | 28.0 | |
| March 25, 2020, 9 p.m. | 9.0 ppb (8) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.19 ppb (2) | N/A | N/A | 28.0 | |
| March 25, 2020, 8 p.m. | 9.0 ppb (8) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.2 ppb (2) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| March 25, 2020, 7 p.m. | 11.0 ppb (10) | 3.0 ppb (3) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.21 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| March 25, 2020, 6 p.m. | 13.0 ppb (12) | 4.0 ppb (4) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.23 ppb (3) | N/A | 9.9 μg/m3 (41) | 41.0 | |
| March 25, 2020, 5 p.m. | 16.0 ppb (15) | 4.0 ppb (4) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.25 ppb (3) | N/A | 10.2 μg/m3 (42) | 42.0 | |
| March 25, 2020, 4 p.m. | 18.0 ppb (17) | 5.0 ppb (5) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.28 ppb (3) | N/A | 10.5 μg/m3 (44) | 44.0 | |
| March 25, 2020, 3 p.m. | 19.0 ppb (18) | 5.0 ppb (5) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.27 ppb (3) | N/A | 12.8 μg/m3 (52) | 52.0 | |
| March 25, 2020, 2 p.m. | 20.0 ppb (19) | 6.0 ppb (6) | N/A | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.27 ppb (3) | N/A | 13.9 μg/m3 (54) | 54.0 | |
| March 25, 2020, 1 p.m. | 25.0 ppb (23) | 5.0 ppb (5) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.28 ppb (3) | N/A | N/A | 23.0 | |
| March 25, 2020, noon | 25.0 ppb (23) | 4.0 ppb (4) | N/A | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.26 ppb (3) | N/A | 5.1 μg/m3 (21) | 23.0 | |
| March 25, 2020, 11 a.m. | 26.0 ppb (24) | 3.0 ppb (3) | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.28 ppb (3) | N/A | 3.2 μg/m3 (13) | 24.0 | |
| March 25, 2020, 10 a.m. | 20.0 ppb (19) | 2.0 ppb (2) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | N/A | N/A | 1.6 μg/m3 (7) | 19.0 | |
| March 25, 2020, 9 a.m. | 15.0 ppb (14) | 2.0 ppb (2) | N/A | 13.0 ppb (12) | N/A | N/A | 24.0 ppb (18) | 0.22 ppb (2) | N/A | -0.3 μg/m3 (0) | 18.0 | |
| March 25, 2020, 8 a.m. | 14.0 ppb (13) | 1.0 ppb (1) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | 0.21 ppb (2) | N/A | -2.4 μg/m3 (0) | 13.0 | |
| March 25, 2020, 7 a.m. | 13.0 ppb (12) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | N/A | 0.21 ppb (2) | N/A | -3.6 μg/m3 (0) | 12.0 | |
| March 25, 2020, 6 a.m. | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.19 ppb (2) | N/A | N/A | 22.0 | |
| March 25, 2020, 5 a.m. | 9.0 ppb (8) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.18 ppb (2) | N/A | N/A | 23.0 | |
| March 25, 2020, 4 a.m. | 9.0 ppb (8) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.18 ppb (2) | N/A | -1.0 μg/m3 (0) | 24.0 | |
| March 25, 2020, 3 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.18 ppb (2) | N/A | -1.1 μg/m3 (0) | 25.0 | |
| March 25, 2020, 2 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.19 ppb (2) | N/A | -1.8 μg/m3 (0) | 25.0 | |
| March 25, 2020, 1 a.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.22 ppb (2) | N/A | -1.7 μg/m3 (0) | 25.0 | |
| March 25, 2020, midnight | 14.0 ppb (13) | 2.0 ppb (2) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.22 ppb (2) | N/A | 0.4 μg/m3 (2) | 23.0 | |
| March 24, 2020, 11 p.m. | 13.0 ppb (12) | 2.0 ppb (2) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.24 ppb (3) | N/A | 3.3 μg/m3 (14) | 25.0 | |
| March 24, 2020, 10 p.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.21 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| March 24, 2020, 9 p.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.19 ppb (2) | N/A | N/A | 31.0 | |
| March 24, 2020, 8 p.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.18 ppb (2) | N/A | 9.6 μg/m3 (40) | 40.0 | |
| March 24, 2020, 7 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.18 ppb (2) | N/A | 12.6 μg/m3 (51) | 51.0 | |
| March 24, 2020, 6 p.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.18 ppb (2) | N/A | 13.1 μg/m3 (52) | 52.0 | |
| March 24, 2020, 5 p.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.18 ppb (2) | N/A | 13.4 μg/m3 (53) | 53.0 | |
| March 24, 2020, 4 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.19 ppb (2) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| March 24, 2020, 3 p.m. | 16.0 ppb (15) | 9.0 ppb (8) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.19 ppb (2) | N/A | 9.5 μg/m3 (40) | 40.0 | |
| March 24, 2020, 2 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.19 ppb (2) | N/A | 4.8 μg/m3 (20) | 25.0 | |
| March 24, 2020, 1 p.m. | 9.0 ppb (8) | 4.0 ppb (4) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.22 ppb (2) | N/A | N/A | 24.0 | |
| March 24, 2020, noon | 14.0 ppb (13) | 7.0 ppb (6) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.2 ppb (2) | N/A | 1.9 μg/m3 (8) | 22.0 | |
| March 24, 2020, 11 a.m. | 16.0 ppb (15) | 4.0 ppb (4) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.23 ppb (3) | N/A | 4.2 μg/m3 (18) | 18.0 | |
| March 24, 2020, 10 a.m. | 13.0 ppb (12) | 3.0 ppb (3) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | N/A | N/A | 1.9 μg/m3 (8) | 18.0 | |
| March 24, 2020, 9 a.m. | 21.0 ppb (19) | 3.0 ppb (3) | N/A | 17.0 ppb (16) | N/A | N/A | 17.0 ppb (13) | 0.27 ppb (3) | N/A | 0.2 μg/m3 (1) | 19.0 | |
| March 24, 2020, 8 a.m. | 25.0 ppb (23) | 2.0 ppb (2) | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | N/A | 0.31 ppb (3) | N/A | 0.0 μg/m3 (0) | 23.0 | |
| March 24, 2020, 7 a.m. | 14.0 ppb (13) | 2.0 ppb (2) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | N/A | 0.22 ppb (2) | N/A | -1.5 μg/m3 (0) | 13.0 | |
| March 24, 2020, 6 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.19 ppb (2) | N/A | -2.2 μg/m3 (0) | 23.0 | |
| March 24, 2020, 5 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.19 ppb (2) | N/A | N/A | 24.0 | |
| March 24, 2020, 4 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.19 ppb (2) | N/A | 2.6 μg/m3 (11) | 24.0 | |
| March 24, 2020, 3 a.m. | 8.0 ppb (7) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.2 ppb (2) | N/A | 0.3 μg/m3 (1) | 23.0 | |
| March 24, 2020, 2 a.m. | 10.0 ppb (9) | 2.0 ppb (2) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.22 ppb (2) | N/A | -0.9 μg/m3 (0) | 23.0 | |
| March 24, 2020, 1 a.m. | 11.0 ppb (10) | 2.0 ppb (2) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.21 ppb (2) | N/A | -0.3 μg/m3 (0) | 23.0 | |
| March 24, 2020, midnight | 10.0 ppb (9) | 2.0 ppb (2) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.2 ppb (2) | N/A | 0.9 μg/m3 (4) | 24.0 | |
| March 23, 2020, 11 p.m. | 9.0 ppb (8) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.21 ppb (2) | N/A | 2.7 μg/m3 (11) | 25.0 | |
| March 23, 2020, 10 p.m. | 13.0 ppb (12) | 2.0 ppb (2) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.24 ppb (3) | N/A | 3.2 μg/m3 (13) | 24.0 | |
| March 23, 2020, 9 p.m. | 14.0 ppb (13) | 2.0 ppb (2) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.24 ppb (3) | N/A | N/A | 23.0 | |
| March 23, 2020, 8 p.m. | 19.0 ppb (18) | 3.0 ppb (3) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.26 ppb (3) | N/A | 1.9 μg/m3 (8) | 20.0 | |
| March 23, 2020, 7 p.m. | 21.0 ppb (19) | 4.0 ppb (4) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.26 ppb (3) | N/A | 1.5 μg/m3 (6) | 19.0 | |
| March 23, 2020, 6 p.m. | 25.0 ppb (23) | 6.0 ppb (6) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.25 ppb (3) | N/A | 1.9 μg/m3 (8) | 23.0 | |
| March 23, 2020, 5 p.m. | 25.0 ppb (23) | 5.0 ppb (5) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.25 ppb (3) | N/A | 3.6 μg/m3 (15) | 23.0 | |
| March 23, 2020, 4 p.m. | 25.0 ppb (23) | 5.0 ppb (5) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.25 ppb (3) | N/A | 4.5 μg/m3 (19) | 23.0 | |
| March 23, 2020, 3 p.m. | 25.0 ppb (23) | 5.0 ppb (5) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.25 ppb (3) | N/A | 4.1 μg/m3 (17) | 23.0 | |
| March 23, 2020, 2 p.m. | 23.0 ppb (21) | 5.0 ppb (5) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.24 ppb (3) | N/A | 2.5 μg/m3 (10) | 21.0 | |
| March 23, 2020, 1 p.m. | 23.0 ppb (21) | 4.0 ppb (4) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.25 ppb (3) | N/A | N/A | 21.0 | |
| March 23, 2020, noon | 24.0 ppb (22) | 4.0 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | 20.0 ppb (15) | 0.25 ppb (3) | N/A | 3.9 μg/m3 (16) | 22.0 | |
| March 23, 2020, 11 a.m. | 21.0 ppb (19) | 3.0 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 2.8 μg/m3 (12) | 19.0 | |
| March 23, 2020, 10 a.m. | 19.0 ppb (18) | 2.0 ppb (2) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | N/A | N/A | 3.3 μg/m3 (14) | 18.0 | |
| March 23, 2020, 9 a.m. | 14.0 ppb (13) | 2.0 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | 29.0 ppb (22) | 0.23 ppb (3) | N/A | 1.7 μg/m3 (7) | 22.0 | |
| March 23, 2020, 8 a.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (2) | N/A | 0.6 μg/m3 (2) | 11.0 | |
| March 23, 2020, 7 a.m. | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | N/A | 0.18 ppb (2) | N/A | -2.2 μg/m3 (0) | 9.0 | |
| March 23, 2020, 6 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.17 ppb (2) | N/A | -3.3 μg/m3 (0) | 25.0 | |
| March 23, 2020, 5 a.m. | 9.0 ppb (8) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.17 ppb (2) | N/A | N/A | 25.0 | |
| March 23, 2020, 4 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.17 ppb (2) | N/A | 0.1 μg/m3 (0) | 28.0 | |
| March 23, 2020, 3 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.17 ppb (2) | N/A | -3.4 μg/m3 (0) | 26.0 | |
| March 23, 2020, 2 a.m. | 6.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.17 ppb (2) | N/A | -3.3 μg/m3 (0) | 28.0 | |
| March 23, 2020, 1 a.m. | 6.0 ppb (6) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.17 ppb (2) | N/A | -0.8 μg/m3 (0) | 31.0 | |
| March 23, 2020, midnight | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.19 ppb (2) | N/A | 3.1 μg/m3 (13) | 28.0 | |
| March 22, 2020, 11 p.m. | 9.0 ppb (8) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.19 ppb (2) | N/A | 9.9 μg/m3 (41) | 41.0 | |
| March 22, 2020, 10 p.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.19 ppb (2) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| March 22, 2020, 9 p.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.19 ppb (2) | N/A | N/A | 33.0 | |
| March 22, 2020, 8 p.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.19 ppb (2) | N/A | 13.1 μg/m3 (52) | 52.0 | |
| March 22, 2020, 7 p.m. | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.21 ppb (2) | N/A | 11.7 μg/m3 (49) | 49.0 | |
| March 22, 2020, 6 p.m. | 11.0 ppb (10) | 4.0 ppb (4) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.2 ppb (2) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| March 22, 2020, 5 p.m. | 10.0 ppb (9) | 4.0 ppb (4) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.2 ppb (2) | N/A | 11.6 μg/m3 (48) | 48.0 | |
| March 22, 2020, 4 p.m. | 12.0 ppb (11) | 5.0 ppb (5) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.21 ppb (2) | N/A | 8.9 μg/m3 (37) | 37.0 | |
| March 22, 2020, 3 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.19 ppb (2) | N/A | 5.9 μg/m3 (25) | 26.0 | |
| March 22, 2020, 2 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.18 ppb (2) | N/A | N/A | 25.0 | |
| March 22, 2020, 1 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.18 ppb (2) | N/A | N/A | 25.0 | |
| March 22, 2020, noon | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.18 ppb (2) | N/A | 2.0 μg/m3 (8) | 23.0 | |
| March 22, 2020, 11 a.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.28 ppb (3) | N/A | 0.5 μg/m3 (2) | 22.0 | |
| March 22, 2020, 10 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | N/A | N/A | -1.5 μg/m3 (0) | 24.0 | |
| March 22, 2020, 9 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (23) | 0.17 ppb (2) | N/A | -0.6 μg/m3 (0) | 23.0 | |
| March 22, 2020, 8 a.m. | 6.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | N/A | 0.17 ppb (2) | N/A | -0.6 μg/m3 (0) | 6.0 | |
| March 22, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.18 ppb (2) | N/A | -0.8 μg/m3 (0) | 2.0 | |
| March 22, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.18 ppb (2) | N/A | -1.2 μg/m3 (0) | 26.0 | |
| March 22, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.19 ppb (2) | N/A | N/A | 26.0 | |
| March 22, 2020, 4 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.19 ppb (2) | N/A | -2.6 μg/m3 (0) | 26.0 | |
| March 22, 2020, 3 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.17 ppb (2) | N/A | -2.7 μg/m3 (0) | 27.0 | |
| March 22, 2020, 2 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.18 ppb (2) | N/A | -2.4 μg/m3 (0) | 28.0 | |
| March 22, 2020, 1 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.18 ppb (2) | N/A | -2.4 μg/m3 (0) | 29.0 | |
| March 22, 2020, midnight | 6.0 ppb (6) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.17 ppb (2) | N/A | 1.4 μg/m3 (6) | 32.0 | |
| March 21, 2020, 11 p.m. | 10.0 ppb (9) | 2.0 ppb (2) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.19 ppb (2) | N/A | 6.1 μg/m3 (25) | 31.0 | |
| March 21, 2020, 10 p.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.19 ppb (2) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| March 21, 2020, 9 p.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.19 ppb (2) | N/A | N/A | 32.0 | |
| March 21, 2020, 8 p.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.18 ppb (2) | N/A | 9.4 μg/m3 (39) | 39.0 | |
| March 21, 2020, 7 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.17 ppb (2) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| March 21, 2020, 6 p.m. | 11.0 ppb (10) | 5.0 ppb (5) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.22 ppb (2) | N/A | 9.3 μg/m3 (39) | 39.0 | |
| March 21, 2020, 5 p.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.21 ppb (2) | N/A | 6.2 μg/m3 (26) | 30.0 | |
| March 21, 2020, 4 p.m. | 6.0 ppb (6) | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.17 ppb (2) | N/A | 4.3 μg/m3 (18) | 28.0 | |
| March 21, 2020, 3 p.m. | 8.0 ppb (7) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.19 ppb (2) | N/A | 0.1 μg/m3 (0) | 25.0 | |
| March 21, 2020, 2 p.m. | 7.0 ppb (6) | 3.0 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.18 ppb (2) | N/A | 0.1 μg/m3 (0) | 25.0 | |
| March 21, 2020, 1 p.m. | 10.0 ppb (9) | 4.0 ppb (4) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.17 ppb (2) | N/A | N/A | 22.0 | |
| March 21, 2020, noon | 12.0 ppb (11) | 5.0 ppb (5) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.23 ppb (3) | N/A | N/A | 22.0 | |
| March 21, 2020, 11 a.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.17 ppb (2) | N/A | N/A | 23.0 |