Jackson (Virden) MS, US: 32.329111, -90.182722
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 22, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.1 ppb (2) | 14.3 μg/m3 (14) | 7.2 μg/m3 (31) | 33.0 | |
| April 22, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.1 ppb (2) | 14.1 μg/m3 (14) | 7.5 μg/m3 (32) | 34.0 | |
| April 22, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.11 ppb (2) | 17.7 μg/m3 (17) | 9.0 μg/m3 (38) | 38.0 | |
| April 22, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.14 ppb (2) | 20.1 μg/m3 (19) | 10.6 μg/m3 (45) | 45.0 | |
| April 22, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.14 ppb (2) | 15.0 μg/m3 (14) | 7.0 μg/m3 (30) | 32.0 | |
| April 22, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.15 ppb (2) | 18.7 μg/m3 (18) | 7.8 μg/m3 (33) | 34.0 | |
| April 22, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.15 ppb (2) | 17.1 μg/m3 (16) | 6.5 μg/m3 (28) | 35.0 | |
| April 22, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.13 ppb (2) | 14.7 μg/m3 (14) | 5.0 μg/m3 (21) | 36.0 | |
| April 22, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.1 ppb (2) | 14.2 μg/m3 (14) | 4.3 μg/m3 (18) | 41.0 | |
| April 21, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.09 ppb (2) | 14.4 μg/m3 (14) | 4.2 μg/m3 (18) | 44.0 | |
| April 21, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.09 ppb (2) | 14.7 μg/m3 (14) | 4.4 μg/m3 (19) | 44.0 | |
| April 21, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (43) | 0.09 ppb (2) | 13.2 μg/m3 (13) | 4.7 μg/m3 (20) | 43.0 | |
| April 21, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.1 ppb (2) | 16.4 μg/m3 (16) | 5.3 μg/m3 (23) | 41.0 | |
| April 21, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.1 ppb (2) | 14.8 μg/m3 (14) | 5.6 μg/m3 (24) | 40.0 | |
| April 21, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.09 ppb (2) | 12.6 μg/m3 (12) | 5.2 μg/m3 (22) | 39.0 | |
| April 21, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.09 ppb (2) | 11.2 μg/m3 (11) | 5.3 μg/m3 (23) | 38.0 | |
| April 21, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 40.0 ppb (38) | 0.08 ppb (2) | 10.7 μg/m3 (10) | 5.3 μg/m3 (23) | 38.0 | |
| April 21, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | 0.08 ppb (2) | N/A | N/A | 36.0 | |
| April 21, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | 0.09 ppb (2) | 10.8 μg/m3 (10) | 5.9 μg/m3 (25) | 34.0 | |
| April 21, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.1 ppb (2) | 9.2 μg/m3 (9) | 5.5 μg/m3 (23) | 31.0 | |
| April 21, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.08 ppb (2) | 9.3 μg/m3 (9) | 5.0 μg/m3 (21) | 31.0 | |
| April 21, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.09 ppb (2) | 9.1 μg/m3 (9) | 4.7 μg/m3 (20) | 32.0 | |
| April 21, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 10.8 μg/m3 (10) | 4.4 μg/m3 (19) | 33.0 | |
| April 21, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 14.1 μg/m3 (14) | 4.6 μg/m3 (20) | 35.0 | |
| April 21, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | 0.08 ppb (2) | 15.6 μg/m3 (15) | 6.9 μg/m3 (29) | 29.0 | |
| April 21, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.09 ppb (2) | 19.2 μg/m3 (18) | 7.2 μg/m3 (31) | 31.0 | |
| April 21, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.08 ppb (2) | 33.4 μg/m3 (31) | 9.3 μg/m3 (39) | 39.0 | |
| April 21, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.09 ppb (2) | 58.2 μg/m3 (53) | 15.3 μg/m3 (58) | 58.0 | |
| April 21, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.1 ppb (2) | 62.8 μg/m3 (55) | 13.9 μg/m3 (55) | 55.0 | |
| April 21, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.42 ppb (5) | 27.8 μg/m3 (26) | 16.0 μg/m3 (60) | 60.0 | |
| April 21, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.34 ppb (4) | 23.4 μg/m3 (22) | 14.0 μg/m3 (55) | 55.0 | |
| April 21, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.24 ppb (3) | 24.1 μg/m3 (23) | 13.2 μg/m3 (54) | 54.0 | |
| April 21, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.17 ppb (3) | 21.6 μg/m3 (20) | 8.9 μg/m3 (38) | 44.0 | |
| April 20, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 53.0 ppb (50) | 0.1 ppb (2) | 14.6 μg/m3 (14) | 6.9 μg/m3 (29) | 50.0 | |
| April 20, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (12) | 55.0 ppb (51) | 0.08 ppb (2) | 12.7 μg/m3 (12) | 6.3 μg/m3 (27) | 51.0 | |
| April 20, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | 0.07 ppb (2) | 16.3 μg/m3 (16) | 6.7 μg/m3 (28) | 49.0 | |
| April 20, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | 0.07 ppb (2) | 14.0 μg/m3 (13) | 6.3 μg/m3 (27) | 45.0 | |
| April 20, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | 0.08 ppb (2) | 20.4 μg/m3 (19) | 6.7 μg/m3 (28) | 44.0 | |
| April 20, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | 0.07 ppb (2) | 14.2 μg/m3 (14) | 6.5 μg/m3 (28) | 44.0 | |
| April 20, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | 0.09 ppb (2) | 13.4 μg/m3 (13) | 6.3 μg/m3 (27) | 45.0 | |
| April 20, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | 0.09 ppb (2) | 13.3 μg/m3 (13) | 5.9 μg/m3 (25) | 45.0 | |
| April 20, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | 0.1 ppb (2) | 23.0 μg/m3 (22) | 6.2 μg/m3 (26) | 41.0 | |
| April 20, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 28.0 ppb (26) | 0.21 ppb (3) | 24.8 μg/m3 (23) | 8.4 μg/m3 (36) | 36.0 | |
| April 20, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 16.0 ppb (15) | 0.48 ppb (6) | 39.2 μg/m3 (37) | 15.7 μg/m3 (59) | 59.0 | |
| April 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 5.0 ppb (5) | 0.54 ppb (6) | 44.3 μg/m3 (42) | 17.3 μg/m3 (62) | 62.0 | |
| April 20, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.45 ppb (6) | 32.5 μg/m3 (31) | 15.2 μg/m3 (58) | 58.0 | |
| April 20, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.43 ppb (5) | 37.5 μg/m3 (35) | 15.6 μg/m3 (59) | 59.0 | |
| April 20, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.46 ppb (6) | 43.5 μg/m3 (41) | 17.5 μg/m3 (63) | 63.0 | |
| April 20, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.45 ppb (6) | 33.8 μg/m3 (32) | 14.9 μg/m3 (57) | 57.0 | |
| April 20, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.41 ppb (5) | 29.4 μg/m3 (28) | 14.0 μg/m3 (55) | 55.0 | |
| April 20, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 7.0 ppb (7) | 0.36 ppb (5) | 20.1 μg/m3 (19) | 11.7 μg/m3 (49) | 49.0 | |
| April 20, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 8.0 ppb (8) | 0.37 ppb (5) | 21.2 μg/m3 (20) | 11.5 μg/m3 (48) | 48.0 | |
| April 20, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 13.0 ppb (13) | 0.3 ppb (4) | 19.4 μg/m3 (18) | 10.2 μg/m3 (43) | 43.0 | |
| April 20, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 27.0 ppb (25) | 0.21 ppb (3) | 16.8 μg/m3 (16) | 8.0 μg/m3 (34) | 34.0 | |
| April 20, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 38.0 ppb (36) | 0.14 ppb (2) | 13.6 μg/m3 (13) | 6.6 μg/m3 (28) | 36.0 | |
| April 20, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 41.0 ppb (38) | 0.11 ppb (2) | 13.0 μg/m3 (13) | 5.6 μg/m3 (24) | 38.0 | |
| April 20, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 45.0 ppb (42) | 0.1 ppb (2) | 13.1 μg/m3 (13) | 5.4 μg/m3 (23) | 42.0 | |
| April 19, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 48.0 ppb (45) | 0.07 ppb (2) | 9.5 μg/m3 (9) | 4.1 μg/m3 (18) | 45.0 | |
| April 19, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 47.0 ppb (44) | 0.07 ppb (2) | 9.5 μg/m3 (9) | 4.0 μg/m3 (17) | 44.0 | |
| April 19, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 46.0 ppb (43) | 0.07 ppb (2) | 10.4 μg/m3 (10) | 4.0 μg/m3 (17) | 43.0 | |
| April 19, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 46.0 ppb (43) | 0.07 ppb (2) | 9.4 μg/m3 (9) | 3.9 μg/m3 (17) | 43.0 | |
| April 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 47.0 ppb (44) | 0.07 ppb (2) | 9.8 μg/m3 (10) | 4.0 μg/m3 (17) | 44.0 | |
| April 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | 0.08 ppb (2) | 8.3 μg/m3 (8) | 3.9 μg/m3 (17) | 43.0 | |
| April 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | 0.07 ppb (2) | 12.5 μg/m3 (12) | 3.9 μg/m3 (17) | 39.0 | |
| April 19, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 8.5 μg/m3 (8) | 3.6 μg/m3 (16) | 37.0 | |
| April 19, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 9.0 μg/m3 (9) | 3.7 μg/m3 (16) | 37.0 | |
| April 19, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.11 ppb (2) | 11.0 μg/m3 (11) | 4.5 μg/m3 (19) | 19.0 | |
| April 19, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | 0.19 ppb (3) | 15.0 μg/m3 (14) | 8.3 μg/m3 (35) | 35.0 | |
| April 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 6.0 ppb (6) | 0.32 ppb (4) | 25.4 μg/m3 (24) | 13.2 μg/m3 (54) | 54.0 | |
| April 19, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 3.0 ppb (3) | 0.24 ppb (3) | 18.0 μg/m3 (17) | 13.1 μg/m3 (54) | 54.0 | |
| April 19, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 4.0 ppb (4) | 0.2 ppb (3) | 22.1 μg/m3 (21) | 15.4 μg/m3 (58) | 58.0 | |
| April 19, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.16 ppb (3) | 17.8 μg/m3 (17) | 12.7 μg/m3 (53) | 53.0 | |
| April 19, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.18 ppb (3) | 17.4 μg/m3 (17) | 12.4 μg/m3 (52) | 52.0 | |
| April 19, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (13) | 0.18 ppb (3) | 17.2 μg/m3 (16) | 12.0 μg/m3 (50) | 50.0 | |
| April 19, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.19 ppb (3) | 18.5 μg/m3 (18) | 12.6 μg/m3 (53) | 53.0 | |
| April 19, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.19 ppb (3) | 15.9 μg/m3 (15) | 12.0 μg/m3 (50) | 50.0 | |
| April 19, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 26.0 ppb (25) | 0.17 ppb (3) | 14.7 μg/m3 (14) | 10.3 μg/m3 (43) | 43.0 | |
| April 19, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 28.0 ppb (26) | 0.15 ppb (2) | 13.3 μg/m3 (13) | 9.4 μg/m3 (40) | 40.0 | |
| April 19, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 27.0 ppb (25) | 0.14 ppb (2) | 14.4 μg/m3 (14) | 9.2 μg/m3 (39) | 39.0 | |
| April 19, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 32.0 ppb (30) | 0.11 ppb (2) | 13.5 μg/m3 (13) | 8.7 μg/m3 (37) | 37.0 | |
| April 19, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.1 ppb (2) | 11.7 μg/m3 (11) | 7.5 μg/m3 (32) | 33.0 | |
| April 18, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.08 ppb (2) | 11.6 μg/m3 (11) | 6.8 μg/m3 (29) | 37.0 | |
| April 18, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.08 ppb (2) | 10.7 μg/m3 (10) | 6.6 μg/m3 (28) | 38.0 | |
| April 18, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.08 ppb (2) | 11.1 μg/m3 (11) | 6.7 μg/m3 (28) | 38.0 | |
| April 18, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.08 ppb (2) | 10.4 μg/m3 (10) | 6.4 μg/m3 (27) | 38.0 | |
| April 18, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.08 ppb (2) | 10.6 μg/m3 (10) | 6.6 μg/m3 (28) | 38.0 | |
| April 18, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.08 ppb (2) | 11.3 μg/m3 (11) | 6.6 μg/m3 (28) | 37.0 | |
| April 18, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.09 ppb (2) | 11.4 μg/m3 (11) | 6.4 μg/m3 (27) | 36.0 | |
| April 18, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.09 ppb (2) | 11.2 μg/m3 (11) | 7.2 μg/m3 (31) | 36.0 | |
| April 18, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.1 ppb (2) | 11.6 μg/m3 (11) | 7.4 μg/m3 (31) | 35.0 | |
| April 18, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.1 ppb (2) | 12.9 μg/m3 (12) | 8.4 μg/m3 (36) | 36.0 | |
| April 18, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.12 ppb (2) | 15.0 μg/m3 (14) | 10.3 μg/m3 (43) | 43.0 | |
| April 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 20.0 ppb (19) | 0.13 ppb (2) | 15.0 μg/m3 (14) | 10.7 μg/m3 (45) | 45.0 | |
| April 18, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 18.0 ppb (17) | 0.13 ppb (2) | 14.9 μg/m3 (14) | 9.7 μg/m3 (41) | 41.0 | |
| April 18, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 21.0 ppb (20) | N/A | 15.5 μg/m3 (15) | 10.1 μg/m3 (43) | 43.0 | |
| April 18, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 13.7 μg/m3 (13) | 9.0 μg/m3 (38) | 38.0 | |
| April 18, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | 0.1 ppb (2) | 13.4 μg/m3 (13) | 8.1 μg/m3 (34) | 34.0 | |
| April 18, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.1 ppb (2) | 14.2 μg/m3 (14) | 8.1 μg/m3 (34) | 34.0 | |
| April 18, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.14 ppb (2) | 15.1 μg/m3 (14) | 8.8 μg/m3 (37) | 37.0 | |
| April 18, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.18 ppb (3) | 17.6 μg/m3 (17) | 9.6 μg/m3 (40) | 40.0 | |
| April 18, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.16 ppb (3) | 16.8 μg/m3 (16) | 9.6 μg/m3 (40) | 40.0 | |
| April 18, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.15 ppb (2) | 15.7 μg/m3 (15) | 9.1 μg/m3 (38) | 38.0 | |
| April 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.15 ppb (2) | 16.1 μg/m3 (15) | 9.4 μg/m3 (40) | 40.0 | |
| April 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.17 ppb (3) | 17.0 μg/m3 (16) | 10.7 μg/m3 (45) | 45.0 | |
| April 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 36.0 ppb (34) | 0.13 ppb (2) | 16.2 μg/m3 (15) | 9.0 μg/m3 (38) | 38.0 | |
| April 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.09 ppb (2) | 15.1 μg/m3 (14) | 8.2 μg/m3 (35) | 38.0 | |
| April 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.08 ppb (2) | 13.9 μg/m3 (13) | 7.7 μg/m3 (33) | 38.0 | |
| April 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.09 ppb (2) | 14.8 μg/m3 (14) | 6.9 μg/m3 (29) | 37.0 | |
| April 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.09 ppb (2) | 13.8 μg/m3 (13) | 7.0 μg/m3 (30) | 36.0 | |
| April 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.08 ppb (2) | 14.7 μg/m3 (14) | 8.3 μg/m3 (35) | 36.0 | |
| April 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.08 ppb (2) | 14.9 μg/m3 (14) | 9.4 μg/m3 (40) | 40.0 | |
| April 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.08 ppb (2) | 13.5 μg/m3 (13) | 8.4 μg/m3 (36) | 36.0 | |
| April 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.08 ppb (2) | 15.2 μg/m3 (15) | 9.4 μg/m3 (40) | 40.0 | |
| April 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.08 ppb (2) | 15.9 μg/m3 (15) | 9.9 μg/m3 (42) | 42.0 | |
| April 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.09 ppb (2) | 16.0 μg/m3 (15) | 9.6 μg/m3 (40) | 40.0 | |
| April 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.08 ppb (2) | 15.4 μg/m3 (15) | 9.4 μg/m3 (40) | 40.0 | |
| April 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.09 ppb (2) | 16.0 μg/m3 (15) | 9.7 μg/m3 (41) | 41.0 | |
| April 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.09 ppb (2) | 15.9 μg/m3 (15) | 10.2 μg/m3 (43) | 43.0 | |
| April 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.09 ppb (2) | 15.2 μg/m3 (15) | 9.8 μg/m3 (41) | 41.0 | |
| April 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.1 ppb (2) | 16.0 μg/m3 (15) | 10.0 μg/m3 (42) | 42.0 | |
| April 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (16) | 0.1 ppb (2) | 15.5 μg/m3 (15) | 9.5 μg/m3 (40) | 40.0 | |
| April 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (16) | 0.11 ppb (2) | 15.6 μg/m3 (15) | 9.5 μg/m3 (40) | 40.0 | |
| April 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.14 ppb (2) | 16.1 μg/m3 (15) | 9.8 μg/m3 (41) | 41.0 | |
| April 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.14 ppb (2) | 17.2 μg/m3 (16) | 10.5 μg/m3 (44) | 44.0 | |
| April 17, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.13 ppb (2) | 17.5 μg/m3 (17) | 9.5 μg/m3 (40) | 40.0 | |
| April 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.12 ppb (2) | 15.9 μg/m3 (15) | 9.1 μg/m3 (38) | 38.0 | |
| April 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.11 ppb (2) | 15.0 μg/m3 (14) | 8.7 μg/m3 (37) | 37.0 | |
| April 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.12 ppb (2) | 14.5 μg/m3 (14) | 8.8 μg/m3 (37) | 37.0 | |
| April 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.13 ppb (2) | 14.5 μg/m3 (14) | 8.4 μg/m3 (36) | 36.0 | |
| April 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 28.0 ppb (26) | 0.12 ppb (2) | 13.6 μg/m3 (13) | 8.0 μg/m3 (34) | 34.0 | |
| April 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 31.0 ppb (29) | 0.14 ppb (2) | 13.2 μg/m3 (13) | 7.8 μg/m3 (33) | 33.0 | |
| April 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 35.0 ppb (33) | 0.14 ppb (2) | 14.7 μg/m3 (14) | 7.8 μg/m3 (33) | 33.0 | |
| April 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 37.0 ppb (35) | 0.14 ppb (2) | 14.8 μg/m3 (14) | 7.4 μg/m3 (31) | 35.0 | |
| April 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 39.0 ppb (37) | 0.1 ppb (2) | 14.2 μg/m3 (14) | 7.2 μg/m3 (31) | 37.0 | |
| April 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 38.0 ppb (36) | 0.11 ppb (2) | 15.9 μg/m3 (15) | 7.6 μg/m3 (32) | 36.0 | |
| April 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 36.0 ppb (34) | 0.13 ppb (2) | 16.4 μg/m3 (16) | 7.7 μg/m3 (33) | 34.0 | |
| April 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 34.0 ppb (32) | 0.12 ppb (2) | 17.0 μg/m3 (16) | 7.8 μg/m3 (33) | 33.0 | |
| April 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 32.0 ppb (30) | 0.11 ppb (2) | 16.7 μg/m3 (16) | 8.0 μg/m3 (34) | 34.0 | |
| April 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 29.0 ppb (27) | 0.11 ppb (2) | 16.6 μg/m3 (16) | 7.9 μg/m3 (33) | 33.0 | |
| April 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 25.0 ppb (24) | 0.12 ppb (2) | 17.2 μg/m3 (16) | 8.7 μg/m3 (37) | 37.0 | |
| April 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.12 ppb (2) | 15.8 μg/m3 (15) | 8.7 μg/m3 (37) | 37.0 | |
| April 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.1 ppb (2) | 15.1 μg/m3 (14) | 8.2 μg/m3 (35) | 35.0 | |
| April 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.08 ppb (2) | 15.6 μg/m3 (15) | 8.4 μg/m3 (36) | 36.0 | |
| April 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 32.0 ppb (30) | 0.08 ppb (2) | 15.9 μg/m3 (15) | 8.4 μg/m3 (36) | 36.0 | |
| April 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 34.0 ppb (32) | 0.08 ppb (2) | 16.2 μg/m3 (15) | 8.9 μg/m3 (38) | 38.0 | |
| April 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 36.0 ppb (34) | 0.08 ppb (2) | 14.7 μg/m3 (14) | 6.7 μg/m3 (28) | 34.0 | |
| April 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 39.0 ppb (37) | 0.08 ppb (2) | 15.2 μg/m3 (15) | 6.2 μg/m3 (26) | 37.0 | |
| April 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 41.0 ppb (38) | 0.09 ppb (2) | 14.9 μg/m3 (14) | 6.3 μg/m3 (27) | 38.0 | |
| April 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 41.0 ppb (38) | 0.09 ppb (2) | 15.9 μg/m3 (15) | 6.6 μg/m3 (28) | 38.0 | |
| April 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 42.0 ppb (39) | 0.09 ppb (2) | 15.8 μg/m3 (15) | 6.9 μg/m3 (29) | 39.0 | |
| April 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 41.0 ppb (38) | 0.1 ppb (2) | 15.2 μg/m3 (15) | 7.3 μg/m3 (31) | 38.0 | |
| April 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 34.0 ppb (32) | 0.14 ppb (2) | 16.7 μg/m3 (16) | 7.5 μg/m3 (32) | 32.0 | |
| April 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 35.0 ppb (33) | 0.15 ppb (2) | 18.4 μg/m3 (18) | 6.8 μg/m3 (29) | 33.0 | |
| April 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 42.0 ppb (39) | 0.09 ppb (2) | 16.4 μg/m3 (16) | 6.2 μg/m3 (26) | 39.0 | |
| April 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 45.0 ppb (42) | 0.08 ppb (2) | 16.7 μg/m3 (16) | 6.4 μg/m3 (27) | 42.0 | |
| April 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 43.0 ppb (40) | N/A | 16.7 μg/m3 (16) | 6.4 μg/m3 (27) | 40.0 | |
| April 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (40) | N/A | 16.1 μg/m3 (15) | 6.6 μg/m3 (28) | 40.0 | |
| April 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 43.0 ppb (40) | N/A | 15.1 μg/m3 (14) | 6.8 μg/m3 (29) | 40.0 | |
| April 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 40.0 ppb (38) | N/A | 15.5 μg/m3 (15) | 6.8 μg/m3 (29) | 38.0 | |
| April 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 39.0 ppb (37) | N/A | 14.9 μg/m3 (14) | 7.3 μg/m3 (31) | 37.0 | |
| April 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 36.0 ppb (34) | N/A | 15.9 μg/m3 (15) | 8.3 μg/m3 (35) | 35.0 | |
| April 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 33.0 ppb (31) | N/A | 17.6 μg/m3 (17) | 9.3 μg/m3 (39) | 39.0 | |
| April 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 27.0 ppb (25) | N/A | 17.1 μg/m3 (16) | 10.0 μg/m3 (42) | 42.0 | |
| April 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 21.0 ppb (20) | 0.16 ppb (3) | 22.0 μg/m3 (21) | 11.8 μg/m3 (50) | 50.0 | |
| April 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 20.0 ppb (19) | 0.16 ppb (3) | 20.9 μg/m3 (20) | 11.9 μg/m3 (50) | 50.0 | |
| April 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 24.0 ppb (23) | 0.13 ppb (2) | 19.3 μg/m3 (18) | 11.4 μg/m3 (48) | 48.0 | |
| April 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 24.0 ppb (23) | N/A | 16.1 μg/m3 (15) | 9.1 μg/m3 (38) | 38.0 | |
| April 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 11.0 μg/m3 (11) | 5.6 μg/m3 (24) | 24.0 |