Taylor MI, US: 42.2283, -83.2092
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 22, 2019, 3 a.m. | N/A | N/A | 6.0 ppb (6) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| May 22, 2019, 2 a.m. | N/A | N/A | 6.7 ppb (6) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| May 22, 2019, 1 a.m. | N/A | N/A | 3.6 ppb (3) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 5.6 μg/m3 (23) | 23.0 | |
| May 22, 2019, midnight | N/A | N/A | 5.1 ppb (5) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 5.1 μg/m3 (21) | 22.0 | |
| May 21, 2019, 11 p.m. | N/A | N/A | 6.4 ppb (6) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 5.2 μg/m3 (22) | 22.0 | |
| May 21, 2019, 10 p.m. | N/A | N/A | 5.8 ppb (5) | N/A | N/A | 2.0 ppb (3) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 6.5 μg/m3 (27) | 27.0 | |
| May 21, 2019, 9 p.m. | N/A | N/A | 3.2 ppb (3) | N/A | N/A | 2.0 ppb (3) | 33.0 ppb (25) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 25.0 | |
| May 21, 2019, 8 p.m. | N/A | N/A | 3.6 ppb (3) | N/A | N/A | 5.0 ppb (7) | 34.0 ppb (26) | 0.01 ppb (0) | N/A | 3.8 μg/m3 (16) | 26.0 | |
| May 21, 2019, 7 p.m. | N/A | N/A | 4.4 ppb (4) | N/A | N/A | 5.0 ppb (7) | 32.0 ppb (25) | 0.01 ppb (0) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| May 21, 2019, 6 p.m. | N/A | N/A | 2.9 ppb (3) | N/A | N/A | 2.0 ppb (3) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 4.1 μg/m3 (17) | 24.0 | |
| May 21, 2019, 5 p.m. | N/A | N/A | 3.2 ppb (3) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 4.4 μg/m3 (18) | 22.0 | |
| May 21, 2019, 4 p.m. | N/A | N/A | 2.4 ppb (2) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.0 ppb (0) | N/A | 1.7 μg/m3 (7) | 22.0 | |
| May 21, 2019, 3 p.m. | N/A | N/A | 5.9 ppb (5) | N/A | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 2.3 μg/m3 (10) | 18.0 | |
| May 21, 2019, 2 p.m. | N/A | N/A | 25.0 ppb (23) | N/A | N/A | 5.0 ppb (7) | 14.0 ppb (11) | 0.01 ppb (0) | N/A | 7.5 μg/m3 (31) | 31.0 | |
| May 21, 2019, 1 p.m. | N/A | N/A | 37.3 ppb (35) | N/A | N/A | 2.0 ppb (3) | 8.0 ppb (6) | 0.0 ppb (0) | N/A | 10.2 μg/m3 (42) | 42.0 | |
| May 21, 2019, noon | N/A | N/A | 66.4 ppb (63) | N/A | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 12.7 μg/m3 (51) | 63.0 | |
| May 21, 2019, 11 a.m. | N/A | N/A | 66.6 ppb (63) | N/A | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.0 ppb (0) | N/A | N/A | 63.0 | |
| May 21, 2019, 10 a.m. | N/A | N/A | 75.4 ppb (73) | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 6.9 μg/m3 (29) | 73.0 | |
| May 21, 2019, 9 a.m. | N/A | N/A | 54.6 ppb (51) | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 5.4 μg/m3 (23) | 51.0 | |
| May 21, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.0 ppb (0) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| May 21, 2019, 7 a.m. | N/A | N/A | 30.2 ppb (28) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 6.2 μg/m3 (26) | 28.0 | |
| May 21, 2019, 6 a.m. | N/A | N/A | 28.9 ppb (27) | N/A | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 4.7 μg/m3 (20) | 27.0 | |
| May 21, 2019, 5 a.m. | N/A | N/A | 31.5 ppb (29) | N/A | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 6.6 μg/m3 (28) | 29.0 | |
| May 21, 2019, 4 a.m. | N/A | N/A | 19.3 ppb (18) | N/A | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.0 ppb (0) | N/A | 4.5 μg/m3 (19) | 19.0 | |
| May 21, 2019, 3 a.m. | N/A | N/A | 9.9 ppb (9) | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.0 ppb (0) | N/A | 4.3 μg/m3 (18) | 18.0 | |
| May 21, 2019, 2 a.m. | N/A | N/A | 6.5 ppb (6) | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.0 ppb (0) | N/A | 4.3 μg/m3 (18) | 18.0 | |
| May 21, 2019, 1 a.m. | N/A | N/A | 5.9 ppb (5) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 2.0 μg/m3 (8) | 15.0 | |
| May 21, 2019, midnight | N/A | N/A | 6.3 ppb (6) | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 20.0 | |
| May 20, 2019, 11 p.m. | N/A | N/A | 7.3 ppb (7) | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 4.7 μg/m3 (20) | 20.0 | |
| May 20, 2019, 10 p.m. | N/A | N/A | 7.3 ppb (7) | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.0 ppb (0) | N/A | 5.4 μg/m3 (23) | 23.0 | |
| May 20, 2019, 9 p.m. | N/A | N/A | 8.4 ppb (8) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 20.0 | |
| May 20, 2019, 8 p.m. | N/A | N/A | 7.8 ppb (7) | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 20.0 | |
| May 20, 2019, 7 p.m. | N/A | N/A | 6.8 ppb (6) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 20.0 | |
| May 20, 2019, 6 p.m. | N/A | N/A | 9.3 ppb (9) | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 3.8 μg/m3 (16) | 16.0 | |
| May 20, 2019, 5 p.m. | N/A | N/A | 9.6 ppb (9) | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 1.9 μg/m3 (8) | 16.0 | |
| May 20, 2019, 4 p.m. | N/A | N/A | 8.8 ppb (8) | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 1.7 μg/m3 (7) | 15.0 | |
| May 20, 2019, 3 p.m. | N/A | N/A | 11.1 ppb (10) | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 2.7 μg/m3 (11) | 13.0 | |
| May 20, 2019, 2 p.m. | N/A | N/A | 10.8 ppb (10) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 3.2 μg/m3 (13) | 15.0 | |
| May 20, 2019, 1 p.m. | N/A | N/A | 10.8 ppb (10) | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| May 20, 2019, noon | N/A | N/A | 11.8 ppb (11) | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 2.1 μg/m3 (9) | 15.0 | |
| May 20, 2019, 11 a.m. | N/A | N/A | 11.7 ppb (11) | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 2.3 μg/m3 (10) | 13.0 | |
| May 20, 2019, 10 a.m. | N/A | N/A | 14.3 ppb (13) | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.0 ppb (0) | N/A | 1.9 μg/m3 (8) | 14.0 | |
| May 17, 2019, 7 a.m. | N/A | N/A | 8.6 ppb (8) | N/A | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 11.8 μg/m3 (49) | 49.0 | |
| May 17, 2019, 6 a.m. | N/A | N/A | 6.0 ppb (6) | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.0 ppb (0) | N/A | 11.3 μg/m3 (47) | 47.0 | |
| May 17, 2019, 5 a.m. | N/A | N/A | 5.9 ppb (5) | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.0 ppb (0) | N/A | 12.4 μg/m3 (51) | 51.0 | |
| May 17, 2019, 4 a.m. | N/A | N/A | 6.5 ppb (6) | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.0 ppb (0) | N/A | 12.5 μg/m3 (51) | 51.0 | |
| May 17, 2019, 3 a.m. | N/A | N/A | 12.6 ppb (12) | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 20.7 μg/m3 (69) | 69.0 | |
| May 17, 2019, 2 a.m. | N/A | N/A | 14.5 ppb (13) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 14.1 μg/m3 (54) | 54.0 | |
| May 17, 2019, 1 a.m. | N/A | N/A | 10.8 ppb (10) | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 17, 2019, midnight | N/A | N/A | 5.5 ppb (5) | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.0 ppb (0) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| May 16, 2019, 11 p.m. | N/A | N/A | 4.8 ppb (4) | N/A | N/A | 0.0 ppb (0) | 52.0 ppb (40) | 0.0 ppb (0) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| May 16, 2019, 10 p.m. | N/A | N/A | 7.3 ppb (7) | N/A | N/A | 1.0 ppb (1) | 51.0 ppb (39) | 0.0 ppb (0) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| May 16, 2019, 9 p.m. | N/A | N/A | 7.6 ppb (7) | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (38) | 0.0 ppb (0) | N/A | 9.4 μg/m3 (39) | 39.0 | |
| May 16, 2019, 8 p.m. | N/A | N/A | 6.1 ppb (6) | N/A | N/A | 0.0 ppb (0) | 50.0 ppb (38) | 0.0 ppb (0) | N/A | 5.8 μg/m3 (24) | 38.0 | |
| May 16, 2019, 7 p.m. | N/A | N/A | 9.0 ppb (8) | N/A | N/A | 1.0 ppb (1) | 50.0 ppb (38) | 0.0 ppb (0) | N/A | 11.5 μg/m3 (48) | 48.0 | |
| May 16, 2019, 6 p.m. | N/A | N/A | 9.6 ppb (9) | N/A | N/A | 1.0 ppb (1) | 50.0 ppb (38) | 0.0 ppb (0) | N/A | 12.5 μg/m3 (51) | 51.0 | |
| May 16, 2019, 5 p.m. | N/A | N/A | 13.9 ppb (13) | N/A | N/A | 2.0 ppb (3) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 13.9 μg/m3 (54) | 54.0 | |
| May 16, 2019, 4 p.m. | N/A | N/A | 10.1 ppb (9) | N/A | N/A | 2.0 ppb (3) | 43.0 ppb (33) | 0.0 ppb (0) | N/A | 13.9 μg/m3 (54) | 54.0 | |
| May 16, 2019, 3 p.m. | N/A | N/A | 6.7 ppb (6) | N/A | N/A | 2.0 ppb (3) | 45.0 ppb (35) | 0.0 ppb (0) | N/A | 13.6 μg/m3 (53) | 53.0 | |
| May 16, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 45.0 ppb (35) | 0.0 ppb (0) | N/A | 11.8 μg/m3 (49) | 49.0 | |
| May 16, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 38.0 ppb (29) | 0.0 ppb (0) | N/A | 5.6 μg/m3 (23) | 29.0 | |
| May 16, 2019, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 33.0 ppb (25) | 0.0 ppb (0) | N/A | 3.1 μg/m3 (13) | 25.0 | |
| May 16, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 6.0 ppb (5) | 0.0 ppb (0) | N/A | 14.5 μg/m3 (55) | 55.0 | |
| May 16, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 13.2 μg/m3 (53) | 53.0 | |
| May 16, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 14.6 μg/m3 (56) | 56.0 | |
| May 16, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.0 ppb (0) | N/A | 15.1 μg/m3 (57) | 57.0 | |
| May 16, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | N/A | 11.2 μg/m3 (47) | 47.0 | |
| May 16, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| May 16, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.0 ppb (0) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| May 16, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.0 ppb (0) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| May 16, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.0 ppb (0) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| May 16, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.0 ppb (0) | N/A | 15.6 μg/m3 (58) | 58.0 | |
| May 16, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 14.1 μg/m3 (54) | 54.0 | |
| May 16, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 11.8 μg/m3 (49) | 49.0 | |
| May 15, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.0 ppb (0) | N/A | 14.7 μg/m3 (56) | 56.0 | |
| May 15, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.0 ppb (0) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| May 15, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 50.0 ppb (38) | 0.0 ppb (0) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| May 15, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 50.0 ppb (38) | 0.0 ppb (0) | N/A | 8.8 μg/m3 (37) | 38.0 | |
| May 15, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.0 ppb (0) | N/A | 7.4 μg/m3 (31) | 39.0 | |
| May 15, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 50.0 ppb (38) | 0.0 ppb (0) | N/A | 6.9 μg/m3 (29) | 38.0 | |
| May 15, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (38) | 0.0 ppb (0) | N/A | 7.6 μg/m3 (32) | 38.0 | |
| May 15, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 47.0 ppb (36) | 0.0 ppb (0) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| May 15, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 46.0 ppb (35) | 0.0 ppb (0) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| May 15, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.0 ppb (0) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| May 15, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 7.3 μg/m3 (30) | 30.0 | |
| May 15, 2019, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| May 15, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.0 ppb (0) | N/A | 11.7 μg/m3 (49) | 49.0 | |
| May 15, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.0 ppb (0) | N/A | 9.3 μg/m3 (39) | 39.0 | |
| May 15, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 10.5 μg/m3 (44) | 44.0 | |
| May 15, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | 10.9 μg/m3 (45) | 45.0 | |
| May 15, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 9.5 μg/m3 (40) | 40.0 | |
| May 15, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| May 15, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 9.1 μg/m3 (38) | 38.0 | |
| May 15, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| May 15, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.0 ppb (0) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| May 15, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.0 ppb (0) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| May 15, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.0 ppb (0) | N/A | 12.8 μg/m3 (52) | 52.0 | |
| May 15, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 7.8 μg/m3 (32) | 32.0 | |
| May 14, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 6.0 μg/m3 (25) | 30.0 | |
| May 14, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.0 ppb (0) | N/A | 5.8 μg/m3 (24) | 29.0 | |
| May 14, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 6.1 μg/m3 (25) | 30.0 | |
| May 14, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 29.0 | |
| May 14, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.0 ppb (0) | N/A | 5.0 μg/m3 (21) | 31.0 | |
| May 14, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 30.0 | |
| May 14, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.0 ppb (0) | N/A | 4.2 μg/m3 (18) | 31.0 | |
| May 14, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.0 ppb (0) | N/A | 5.6 μg/m3 (23) | 30.0 | |
| May 14, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 25.0 | |
| May 14, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 3.5 μg/m3 (15) | 24.0 | |
| May 14, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 5.3 μg/m3 (22) | 22.0 | |
| May 14, 2019, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| May 13, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.0 ppb (0) | N/A | 4.6 μg/m3 (19) | 19.0 | |
| May 13, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | N/A | 3.3 μg/m3 (14) | 14.0 | |
| May 13, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.0 ppb (0) | N/A | 3.3 μg/m3 (14) | 14.0 | |
| May 13, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 20.0 | |
| May 13, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 4.8 μg/m3 (20) | 20.0 | |
| May 13, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.0 ppb (0) | N/A | 3.9 μg/m3 (16) | 16.0 | |
| May 13, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.0 ppb (0) | N/A | 5.7 μg/m3 (24) | 24.0 | |
| May 13, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.0 ppb (0) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| May 13, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 6.1 μg/m3 (25) | 25.0 | |
| May 12, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| May 12, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.0 ppb (0) | N/A | 8.7 μg/m3 (36) | 36.0 | |
| May 12, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 8.6 μg/m3 (36) | 36.0 | |
| May 12, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 6.1 μg/m3 (25) | 25.0 | |
| May 12, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 5.7 μg/m3 (24) | 24.0 | |
| May 12, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| May 12, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 5.4 μg/m3 (23) | 23.0 | |
| May 12, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 5.6 μg/m3 (23) | 24.0 | |
| May 12, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (7) | 30.0 ppb (23) | 0.01 ppb (0) | N/A | 5.1 μg/m3 (21) | 23.0 | |
| May 12, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | 30.0 ppb (23) | 0.01 ppb (0) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| May 12, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 5.0 μg/m3 (21) | 24.0 | |
| May 12, 2019, noon | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 4.5 μg/m3 (19) | 23.0 | |
| May 12, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | 30.0 ppb (23) | 0.0 ppb (0) | N/A | 6.1 μg/m3 (25) | 25.0 | |
| May 12, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (6) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 7.1 μg/m3 (30) | 30.0 | |
| May 12, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | 0.0 ppb (0) | N/A | 6.6 μg/m3 (28) | 28.0 | |
| May 12, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 4.5 μg/m3 (19) | 21.0 | |
| May 12, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 4.4 μg/m3 (18) | 19.0 | |
| May 12, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 4.2 μg/m3 (18) | 21.0 | |
| May 12, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 4.9 μg/m3 (20) | 20.0 | |
| May 12, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.0 ppb (0) | N/A | 5.2 μg/m3 (22) | 22.0 | |
| May 12, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 6.2 μg/m3 (26) | 26.0 | |
| May 12, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.0 ppb (0) | N/A | 5.2 μg/m3 (22) | 26.0 | |
| May 12, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 5.4 μg/m3 (23) | 24.0 | |
| May 12, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.0 ppb (0) | N/A | 5.2 μg/m3 (22) | 24.0 | |
| May 11, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.0 ppb (0) | N/A | 4.3 μg/m3 (18) | 27.0 | |
| May 11, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 36.0 ppb (28) | 0.0 ppb (0) | N/A | 3.0 μg/m3 (12) | 28.0 | |
| May 11, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (10) | 35.0 ppb (27) | 0.01 ppb (0) | N/A | 6.3 μg/m3 (26) | 27.0 | |
| May 11, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (10) | 36.0 ppb (28) | 0.01 ppb (0) | N/A | 3.5 μg/m3 (15) | 28.0 | |
| May 11, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (9) | 36.0 ppb (28) | 0.01 ppb (0) | N/A | 5.1 μg/m3 (21) | 28.0 | |
| May 11, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (7) | 37.0 ppb (28) | 0.01 ppb (0) | N/A | 2.7 μg/m3 (11) | 28.0 | |
| May 11, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 37.0 ppb (28) | 0.0 ppb (0) | N/A | 3.0 μg/m3 (12) | 28.0 | |
| May 11, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 37.0 ppb (28) | 0.0 ppb (0) | N/A | 3.5 μg/m3 (15) | 28.0 | |
| May 11, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 37.0 ppb (28) | 0.0 ppb (0) | N/A | 2.4 μg/m3 (10) | 28.0 | |
| May 11, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 36.0 ppb (28) | 0.0 ppb (0) | N/A | 1.3 μg/m3 (5) | 28.0 | |
| May 11, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.0 ppb (0) | N/A | 2.7 μg/m3 (11) | 25.0 | |
| May 11, 2019, noon | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 23.0 ppb (18) | 0.0 ppb (0) | N/A | 4.3 μg/m3 (18) | 18.0 | |
| May 11, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.0 ppb (0) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| May 11, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.0 ppb (0) | N/A | 8.7 μg/m3 (36) | 36.0 | |
| May 11, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 5.9 μg/m3 (25) | 25.0 | |
| May 11, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.0 ppb (0) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| May 11, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | N/A | 5.9 μg/m3 (25) | 25.0 | |
| May 11, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 5.3 μg/m3 (22) | 22.0 | |
| May 11, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.0 ppb (0) | N/A | 12.9 μg/m3 (52) | 52.0 | |
| May 11, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.0 ppb (0) | N/A | 13.8 μg/m3 (54) | 54.0 | |
| May 11, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.0 ppb (0) | N/A | 15.6 μg/m3 (58) | 58.0 | |
| May 11, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.0 ppb (0) | N/A | 13.9 μg/m3 (54) | 54.0 | |
| May 11, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.0 ppb (0) | N/A | 9.3 μg/m3 (39) | 39.0 | |
| May 11, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.0 ppb (0) | N/A | 5.0 μg/m3 (21) | 25.0 | |
| May 10, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.0 ppb (0) | N/A | 5.0 μg/m3 (21) | 28.0 |