Missaukee Co MI, US: 44.3106, -84.891899
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 21, 2019, 10 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 2.6 μg/m3 (11) | 22.0 | |
| March 21, 2019, 9 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | -0.9 μg/m3 (0) | 24.0 | |
| March 21, 2019, 8 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 0.2 μg/m3 (1) | 22.0 | |
| March 21, 2019, 7 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 1.1 μg/m3 (5) | 23.0 | |
| March 21, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 39.6 μg/m3 (110) | 110.0 | |
| March 21, 2019, 5 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | 5.8 μg/m3 (24) | 24.0 | |
| March 21, 2019, 4 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (8) | 25.0 | |
| March 21, 2019, 3 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 4.1 μg/m3 (17) | 26.0 | |
| March 21, 2019, 2 a.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 4.4 μg/m3 (18) | 27.0 | |
| March 21, 2019, 1 a.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 5.3 μg/m3 (22) | 28.0 | |
| March 21, 2019, midnight | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (29) | N/A | N/A | 5.6 μg/m3 (23) | 29.0 | |
| March 20, 2019, 11 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 4.1 μg/m3 (17) | 32.0 | |
| March 20, 2019, 10 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 11.2 μg/m3 (47) | 47.0 | |
| March 20, 2019, 9 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 49.9 μg/m3 (136) | 136.0 | |
| March 20, 2019, 8 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 27.4 μg/m3 (83) | 83.0 | |
| March 20, 2019, 7 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 13.4 μg/m3 (53) | 53.0 | |
| March 20, 2019, 6 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 15.4 μg/m3 (57) | 57.0 | |
| March 20, 2019, 5 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 14.8 μg/m3 (56) | 56.0 | |
| March 20, 2019, 4 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 47.0 ppb (36) | N/A | N/A | 10.6 μg/m3 (44) | 44.0 | |
| March 20, 2019, 3 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 17.9 μg/m3 (63) | 63.0 | |
| March 20, 2019, 2 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| March 20, 2019, 1 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 5.1 μg/m3 (21) | 32.0 | |
| March 20, 2019, noon | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 11.1 μg/m3 (46) | 46.0 | |
| March 20, 2019, 11 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 6.3 μg/m3 (26) | 32.0 | |
| March 20, 2019, 10 a.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 3.4 μg/m3 (14) | 32.0 | |
| March 20, 2019, 9 a.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | -2.7 μg/m3 (0) | 33.0 | |
| March 20, 2019, 8 a.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 22.2 μg/m3 (72) | 72.0 | |
| March 20, 2019, 7 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 13.1 μg/m3 (52) | 52.0 | |
| March 20, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | N/A | 27.3 μg/m3 (83) | 83.0 | |
| March 20, 2019, 5 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | -3.5 μg/m3 (0) | 2.0 | |
| March 20, 2019, 4 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 4.6 μg/m3 (19) | 38.0 | |
| March 20, 2019, 3 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 2.0 μg/m3 (8) | 38.0 | |
| March 20, 2019, 2 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | -4.5 μg/m3 (0) | 35.0 | |
| March 20, 2019, 1 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | -4.0 μg/m3 (0) | 35.0 | |
| March 20, 2019, midnight | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 52.0 ppb (40) | N/A | N/A | 1.0 μg/m3 (4) | 40.0 | |
| March 19, 2019, 11 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 56.0 ppb (43) | N/A | N/A | 16.8 μg/m3 (60) | 60.0 | |
| March 19, 2019, 10 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 56.0 ppb (43) | N/A | N/A | 23.8 μg/m3 (75) | 75.0 | |
| March 19, 2019, 9 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 3.0 μg/m3 (12) | 42.0 | |
| March 19, 2019, 8 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 4.0 μg/m3 (17) | 42.0 | |
| March 19, 2019, 7 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 7.2 μg/m3 (30) | 42.0 | |
| March 19, 2019, 6 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 4.5 μg/m3 (19) | 42.0 | |
| March 19, 2019, 5 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 2.2 μg/m3 (9) | 42.0 | |
| March 19, 2019, 4 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 12.2 μg/m3 (50) | 50.0 | |
| March 19, 2019, 3 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 12.1 μg/m3 (50) | 50.0 | |
| March 19, 2019, 2 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (34) | N/A | N/A | 10.3 μg/m3 (43) | 43.0 | |
| March 19, 2019, 1 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 1.5 μg/m3 (6) | 32.0 | |
| March 19, 2019, noon | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 10.2 μg/m3 (42) | 42.0 | |
| March 19, 2019, 11 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (29) | N/A | N/A | 6.7 μg/m3 (28) | 29.0 | |
| March 19, 2019, 10 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 1.1 μg/m3 (5) | 30.0 | |
| March 19, 2019, 9 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 25.2 μg/m3 (78) | 78.0 | |
| March 19, 2019, 8 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 22.3 μg/m3 (72) | 72.0 | |
| March 19, 2019, 7 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 3.0 μg/m3 (12) | 27.0 | |
| March 19, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | N/A | -1.1 μg/m3 (0) | 19.0 | |
| March 19, 2019, 5 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | N/A | 19.1 μg/m3 (65) | 65.0 | |
| March 19, 2019, 4 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 32.7 μg/m3 (94) | 94.0 | |
| March 19, 2019, 3 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | -2.2 μg/m3 (0) | 25.0 | |
| March 19, 2019, 2 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 6.4 μg/m3 (27) | 28.0 | |
| March 19, 2019, 1 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 0.3 μg/m3 (1) | 30.0 | |
| March 19, 2019, midnight | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 44.0 ppb (34) | N/A | N/A | -3.1 μg/m3 (0) | 34.0 | |
| March 18, 2019, 11 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 0.6 μg/m3 (2) | 38.0 | |
| March 18, 2019, 10 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | -2.5 μg/m3 (0) | 39.0 | |
| March 18, 2019, 9 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 10.5 μg/m3 (44) | 44.0 | |
| March 18, 2019, 8 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 0.9 μg/m3 (4) | 39.0 | |
| March 18, 2019, 7 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 0.0 μg/m3 (0) | 39.0 | |
| March 18, 2019, 6 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 1.1 μg/m3 (5) | 39.0 | |
| March 18, 2019, 5 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 50.0 ppb (38) | N/A | N/A | -1.5 μg/m3 (0) | 38.0 | |
| March 18, 2019, 4 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 47.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| March 18, 2019, 3 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 13.6 μg/m3 (53) | 53.0 | |
| March 18, 2019, 2 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 16.6 μg/m3 (60) | 60.0 | |
| March 18, 2019, 1 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 7.5 μg/m3 (31) | 31.0 | |
| March 18, 2019, noon | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| March 18, 2019, 11 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 7.5 μg/m3 (31) | 31.0 | |
| March 18, 2019, 10 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 2.7 μg/m3 (11) | 23.0 | |
| March 18, 2019, 9 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 0.8 μg/m3 (3) | 26.0 | |
| March 18, 2019, 8 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 3.1 μg/m3 (13) | 26.0 | |
| March 18, 2019, 7 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 38.0 ppb (29) | N/A | N/A | 29.2 μg/m3 (87) | 87.0 | |
| March 18, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 17.2 μg/m3 (61) | 61.0 | |
| March 18, 2019, 5 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | N/A | 12.6 μg/m3 (51) | 51.0 | |
| March 18, 2019, 4 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 3.7 μg/m3 (15) | 22.0 | |
| March 18, 2019, 3 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 7.4 μg/m3 (31) | 31.0 | |
| March 18, 2019, 2 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 40.0 ppb (31) | N/A | N/A | 7.8 μg/m3 (32) | 32.0 | |
| March 18, 2019, 1 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 3.1 μg/m3 (13) | 32.0 | |
| March 18, 2019, midnight | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | -0.8 μg/m3 (0) | 33.0 | |
| March 17, 2019, 11 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 47.0 ppb (36) | N/A | N/A | -3.6 μg/m3 (0) | 36.0 | |
| March 17, 2019, 10 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 49.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| March 17, 2019, 9 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 49.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| March 17, 2019, 8 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 48.0 ppb (37) | N/A | N/A | -2.0 μg/m3 (0) | 37.0 | |
| March 17, 2019, 7 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 0.9 μg/m3 (4) | 37.0 | |
| March 17, 2019, 6 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 4.2 μg/m3 (18) | 37.0 | |
| March 17, 2019, 5 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 0.0 μg/m3 (0) | 38.0 | |
| March 17, 2019, 4 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 47.0 ppb (36) | N/A | N/A | 2.8 μg/m3 (12) | 36.0 | |
| March 17, 2019, 3 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | -1.2 μg/m3 (0) | 35.0 | |
| March 17, 2019, 2 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 40.0 ppb (31) | N/A | N/A | -2.4 μg/m3 (0) | 31.0 | |
| March 17, 2019, 1 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 5.0 μg/m3 (21) | 27.0 | |
| March 17, 2019, noon | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 14.6 μg/m3 (56) | 56.0 | |
| March 17, 2019, 11 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 5.3 μg/m3 (22) | 22.0 | |
| March 17, 2019, 10 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 12.1 μg/m3 (50) | 50.0 | |
| March 17, 2019, 9 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 13.6 μg/m3 (53) | 53.0 | |
| March 17, 2019, 8 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 0.3 μg/m3 (1) | 22.0 | |
| March 17, 2019, 7 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 0.3 μg/m3 (1) | 22.0 | |
| March 17, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| March 17, 2019, 5 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | N/A | 41.2 μg/m3 (114) | 114.0 | |
| March 17, 2019, 4 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 18.8 μg/m3 (64) | 64.0 | |
| March 17, 2019, 3 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | -1.9 μg/m3 (0) | 28.0 | |
| March 17, 2019, 2 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 2.9 μg/m3 (12) | 28.0 | |
| March 17, 2019, 1 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 38.0 ppb (29) | N/A | N/A | -2.4 μg/m3 (0) | 29.0 | |
| March 17, 2019, midnight | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 0.0 μg/m3 (0) | 32.0 | |
| March 16, 2019, 11 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 0.0 μg/m3 (0) | 35.0 | |
| March 16, 2019, 10 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 1.6 μg/m3 (7) | 35.0 | |
| March 16, 2019, 9 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 2.7 μg/m3 (11) | 35.0 | |
| March 16, 2019, 8 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 5.6 μg/m3 (23) | 35.0 | |
| March 16, 2019, 7 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| March 16, 2019, 6 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 44.0 ppb (34) | N/A | N/A | -1.1 μg/m3 (0) | 34.0 | |
| March 16, 2019, 5 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | -4.1 μg/m3 (0) | 32.0 | |
| March 16, 2019, 4 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | -1.5 μg/m3 (0) | 32.0 | |
| March 16, 2019, 3 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 34.2 μg/m3 (97) | 97.0 | |
| March 16, 2019, 2 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 8.2 μg/m3 (34) | 34.0 | |
| March 16, 2019, 1 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 10.3 μg/m3 (43) | 43.0 | |
| March 16, 2019, noon | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 4.0 μg/m3 (17) | 32.0 | |
| March 16, 2019, 11 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 0.1 μg/m3 (0) | 32.0 | |
| March 16, 2019, 10 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 1.8 μg/m3 (8) | 32.0 | |
| March 16, 2019, 9 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 3.4 μg/m3 (14) | 32.0 | |
| March 16, 2019, 8 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 2.0 μg/m3 (8) | 33.0 | |
| March 16, 2019, 7 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 7.2 μg/m3 (30) | 33.0 | |
| March 16, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | N/A | -0.2 μg/m3 (0) | 34.0 | |
| March 16, 2019, 5 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | N/A | 2.7 μg/m3 (11) | 11.0 | |
| March 16, 2019, 4 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 44.0 ppb (34) | N/A | N/A | -1.4 μg/m3 (0) | 34.0 | |
| March 16, 2019, 3 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 1.4 μg/m3 (6) | 33.0 | |
| March 16, 2019, 2 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 5.0 μg/m3 (21) | 32.0 | |
| March 16, 2019, 1 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | -0.7 μg/m3 (0) | 33.0 | |
| March 16, 2019, midnight | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 3.9 μg/m3 (16) | 33.0 | |
| March 15, 2019, 11 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 9.5 μg/m3 (40) | 40.0 | |
| March 15, 2019, 10 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 44.0 ppb (34) | N/A | N/A | 8.0 μg/m3 (33) | 34.0 | |
| March 15, 2019, 9 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 44.0 ppb (34) | N/A | N/A | 8.9 μg/m3 (37) | 37.0 | |
| March 15, 2019, 8 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 1.6 μg/m3 (7) | 33.0 | |
| March 15, 2019, 7 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | N/A | 32.0 | |
| March 15, 2019, 6 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 40.0 ppb (31) | N/A | N/A | N/A | 31.0 | |
| March 15, 2019, 5 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 38.0 ppb (29) | N/A | N/A | -2.6 μg/m3 (0) | 29.0 | |
| March 15, 2019, 4 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| March 15, 2019, 3 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 28.8 μg/m3 (86) | 86.0 | |
| March 15, 2019, 2 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | -1.8 μg/m3 (0) | 25.0 | |
| March 15, 2019, 1 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 1.9 μg/m3 (8) | 24.0 | |
| March 15, 2019, noon | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 4.3 μg/m3 (18) | 25.0 | |
| March 15, 2019, 11 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 1.1 μg/m3 (5) | 26.0 | |
| March 15, 2019, 10 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 0.2 μg/m3 (1) | 26.0 | |
| March 15, 2019, 9 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | -1.2 μg/m3 (0) | 27.0 | |
| March 15, 2019, 8 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 4.4 μg/m3 (18) | 28.0 | |
| March 15, 2019, 7 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| March 15, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 8.3 μg/m3 (35) | 35.0 | |
| March 15, 2019, 5 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | 6.8 μg/m3 (28) | 28.0 | |
| March 15, 2019, 4 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (31) | N/A | N/A | 9.2 μg/m3 (38) | 38.0 | |
| March 15, 2019, 3 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 7.2 μg/m3 (30) | 30.0 | |
| March 15, 2019, 2 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 5.1 μg/m3 (21) | 32.0 | |
| March 15, 2019, 1 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 7.9 μg/m3 (33) | 33.0 | |
| March 15, 2019, midnight | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (31) | N/A | N/A | 31.6 μg/m3 (92) | 92.0 | |
| March 14, 2019, 11 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | -1.2 μg/m3 (0) | 32.0 | |
| March 14, 2019, 10 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 2.2 μg/m3 (9) | 32.0 | |
| March 14, 2019, 9 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | -2.2 μg/m3 (0) | 33.0 | |
| March 14, 2019, 8 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (35) | N/A | N/A | -1.8 μg/m3 (0) | 35.0 | |
| March 14, 2019, 7 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (36) | N/A | N/A | 6.1 μg/m3 (25) | 36.0 | |
| March 14, 2019, 6 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 8.0 μg/m3 (33) | 35.0 | |
| March 14, 2019, 5 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 4.7 μg/m3 (20) | 32.0 | |
| March 14, 2019, 4 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 40.0 ppb (31) | N/A | N/A | 8.5 μg/m3 (35) | 35.0 | |
| March 14, 2019, 3 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 6.4 μg/m3 (27) | 30.0 | |
| March 14, 2019, 2 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 38.0 ppb (29) | N/A | N/A | 7.7 μg/m3 (32) | 32.0 | |
| March 14, 2019, 1 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 3.2 μg/m3 (13) | 28.0 | |
| March 14, 2019, noon | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 5.6 μg/m3 (23) | 27.0 | |
| March 14, 2019, 11 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 11.7 μg/m3 (49) | 49.0 |