Missoula (Sgate Triangle) MT, US: 46.842297, -114.020549
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 18, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 29.0 μg/m3 (27) | 2.4 μg/m3 (10) | 27.0 | |
| June 18, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 25.0 μg/m3 (24) | 1.2 μg/m3 (5) | 31.0 | |
| June 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 11.0 μg/m3 (11) | -1.0 μg/m3 (0) | 39.0 | |
| June 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 8.0 μg/m3 (8) | 1.1 μg/m3 (5) | 40.0 | |
| June 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 17.0 μg/m3 (16) | 0.0 μg/m3 (0) | 41.0 | |
| June 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 13.0 μg/m3 (13) | -0.3 μg/m3 (0) | 45.0 | |
| June 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 15.0 μg/m3 (14) | 2.4 μg/m3 (10) | 45.0 | |
| June 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 18.0 μg/m3 (17) | -0.8 μg/m3 (0) | 42.0 | |
| June 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 13.0 μg/m3 (13) | -3.7 μg/m3 (0) | 39.0 | |
| June 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 17.0 μg/m3 (16) | 0.4 μg/m3 (2) | 38.0 | |
| June 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 9.0 μg/m3 (9) | 1.3 μg/m3 (6) | 38.0 | |
| June 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 20.0 μg/m3 (19) | 2.8 μg/m3 (12) | 35.0 | |
| June 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 31.0 μg/m3 (29) | 6.6 μg/m3 (28) | 29.0 | |
| June 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 19.0 μg/m3 (18) | 5.7 μg/m3 (24) | 24.0 | |
| June 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 29.0 μg/m3 (27) | 5.0 μg/m3 (21) | 27.0 | |
| June 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 19.0 μg/m3 (18) | 4.8 μg/m3 (20) | 20.0 | |
| June 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 8.0 μg/m3 (8) | 4.3 μg/m3 (18) | 18.0 | |
| June 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 9.0 μg/m3 (9) | -1.2 μg/m3 (0) | 12.0 | |
| June 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 12.0 μg/m3 (12) | -2.2 μg/m3 (0) | 13.0 | |
| June 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 11.0 μg/m3 (11) | 1.9 μg/m3 (8) | 14.0 | |
| June 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 12.0 μg/m3 (12) | 2.4 μg/m3 (10) | 20.0 | |
| June 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 13.0 μg/m3 (13) | 0.4 μg/m3 (2) | 22.0 | |
| June 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 12.0 μg/m3 (12) | -1.2 μg/m3 (0) | 24.0 | |
| June 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 26.0 μg/m3 (25) | 15.3 μg/m3 (58) | 58.0 | |
| June 17, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 12.0 μg/m3 (12) | 2.7 μg/m3 (12) | 31.0 | |
| June 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 11.0 μg/m3 (11) | 2.1 μg/m3 (9) | 31.0 | |
| June 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 18.0 μg/m3 (17) | -1.0 μg/m3 (0) | 34.0 | |
| June 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 12.0 μg/m3 (12) | 0.6 μg/m3 (3) | 37.0 | |
| June 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 14.0 μg/m3 (13) | 0.9 μg/m3 (4) | 38.0 | |
| June 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 13.0 μg/m3 (13) | -0.8 μg/m3 (0) | 39.0 | |
| June 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 13.0 μg/m3 (13) | 0.4 μg/m3 (2) | 39.0 | |
| June 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 17.0 μg/m3 (16) | 2.4 μg/m3 (10) | 40.0 | |
| June 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 11.0 μg/m3 (11) | 3.3 μg/m3 (14) | 41.0 | |
| June 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 11.0 μg/m3 (11) | 5.5 μg/m3 (23) | 41.0 | |
| June 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 54.0 μg/m3 (50) | 5.5 μg/m3 (23) | 50.0 | |
| June 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| June 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 5.0 μg/m3 (5) | 5.7 μg/m3 (24) | 36.0 | |
| June 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 7.0 μg/m3 (7) | 6.7 μg/m3 (28) | 35.0 | |
| June 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 10.0 μg/m3 (10) | 3.6 μg/m3 (16) | 34.0 | |
| June 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 8.0 μg/m3 (8) | 0.4 μg/m3 (2) | 26.0 | |
| June 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 6.0 μg/m3 (6) | -0.8 μg/m3 (0) | 27.0 | |
| June 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 5.0 μg/m3 (5) | -0.2 μg/m3 (0) | 30.0 | |
| June 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 5.0 μg/m3 (5) | -1.2 μg/m3 (0) | 32.0 | |
| June 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 4.0 μg/m3 (4) | N/A | 38.0 | |
| June 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 6.0 μg/m3 (6) | -4.0 μg/m3 (0) | 38.0 | |
| June 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 6.0 μg/m3 (6) | -3.2 μg/m3 (0) | 38.0 | |
| June 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 6.0 μg/m3 (6) | N/A | 38.0 | |
| June 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 9.0 μg/m3 (9) | -1.2 μg/m3 (0) | 36.0 | |
| June 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 8.0 μg/m3 (8) | -1.5 μg/m3 (0) | 35.0 | |
| June 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 9.0 μg/m3 (9) | -3.4 μg/m3 (0) | 36.0 | |
| June 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 33.0 μg/m3 (31) | 0.6 μg/m3 (3) | 36.0 | |
| June 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 56.0 μg/m3 (52) | 4.6 μg/m3 (20) | 52.0 | |
| June 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 21.0 μg/m3 (20) | 5.3 μg/m3 (23) | 34.0 | |
| June 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 25.0 μg/m3 (24) | 2.6 μg/m3 (11) | 32.0 | |
| June 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 33.0 μg/m3 (31) | 0.1 μg/m3 (1) | 32.0 | |
| June 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 17.0 μg/m3 (16) | 3.8 μg/m3 (16) | 31.0 | |
| June 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 20.0 μg/m3 (19) | 4.8 μg/m3 (20) | 31.0 | |
| June 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 20.0 μg/m3 (19) | 1.1 μg/m3 (5) | 31.0 | |
| June 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 11.0 μg/m3 (11) | 1.1 μg/m3 (5) | 30.0 | |
| June 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 21.0 μg/m3 (20) | 0.9 μg/m3 (4) | 27.0 | |
| June 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 17.0 μg/m3 (16) | 0.9 μg/m3 (4) | 25.0 | |
| June 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 18.0 μg/m3 (17) | 3.1 μg/m3 (13) | 25.0 | |
| June 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 20.0 μg/m3 (19) | 3.3 μg/m3 (14) | 25.0 | |
| June 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 38.0 μg/m3 (36) | 4.3 μg/m3 (18) | 36.0 | |
| June 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 22.0 μg/m3 (21) | 6.5 μg/m3 (28) | 28.0 | |
| June 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 17.0 μg/m3 (16) | 6.5 μg/m3 (28) | 28.0 | |
| June 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 19.0 μg/m3 (18) | 8.1 μg/m3 (34) | 34.0 | |
| June 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 14.0 μg/m3 (13) | 8.6 μg/m3 (36) | 36.0 | |
| June 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 22.0 μg/m3 (21) | 4.6 μg/m3 (20) | 21.0 | |
| June 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 31.0 μg/m3 (29) | 3.4 μg/m3 (15) | 29.0 | |
| June 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 28.0 μg/m3 (26) | 6.1 μg/m3 (26) | 26.0 | |
| June 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 18.0 μg/m3 (17) | 6.5 μg/m3 (28) | 28.0 | |
| June 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 26.0 μg/m3 (25) | 5.6 μg/m3 (24) | 26.0 | |
| June 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 29.0 μg/m3 (27) | 4.1 μg/m3 (18) | 27.0 | |
| June 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 15.0 μg/m3 (14) | 1.9 μg/m3 (8) | 34.0 | |
| June 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 21.0 μg/m3 (20) | 2.4 μg/m3 (10) | 36.0 | |
| June 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 18.0 μg/m3 (17) | 1.1 μg/m3 (5) | 37.0 | |
| June 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 18.0 μg/m3 (17) | 2.6 μg/m3 (11) | 34.0 | |
| June 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 19.0 μg/m3 (18) | 3.6 μg/m3 (16) | 35.0 | |
| June 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 31.0 μg/m3 (29) | 4.1 μg/m3 (18) | 38.0 | |
| June 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 32.0 μg/m3 (30) | 5.3 μg/m3 (23) | 43.0 | |
| June 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 24.0 μg/m3 (23) | 4.8 μg/m3 (20) | 43.0 | |
| June 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 20.0 μg/m3 (19) | 4.1 μg/m3 (18) | 37.0 | |
| June 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 34.0 μg/m3 (32) | 3.6 μg/m3 (16) | 38.0 | |
| June 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 14.0 μg/m3 (13) | 2.4 μg/m3 (10) | 28.0 | |
| June 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 24.0 μg/m3 (23) | 2.8 μg/m3 (12) | 23.0 | |
| June 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 19.0 μg/m3 (18) | 6.5 μg/m3 (28) | 28.0 | |
| June 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 22.0 μg/m3 (21) | 4.6 μg/m3 (20) | 21.0 | |
| June 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 18.0 μg/m3 (17) | 2.9 μg/m3 (13) | 17.0 | |
| June 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 9.0 μg/m3 (9) | 4.8 μg/m3 (20) | 20.0 | |
| June 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 9.0 μg/m3 (9) | 2.9 μg/m3 (13) | 18.0 | |
| June 14, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 19.0 μg/m3 (18) | 0.1 μg/m3 (1) | 22.0 | |
| June 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 12.0 μg/m3 (12) | -2.2 μg/m3 (0) | 25.0 | |
| June 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 7.0 μg/m3 (7) | -3.2 μg/m3 (0) | 28.0 | |
| June 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 6.0 μg/m3 (6) | 0.9 μg/m3 (4) | 29.0 | |
| June 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 9.0 μg/m3 (9) | 1.4 μg/m3 (6) | 33.0 | |
| June 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 11.0 μg/m3 (11) | -0.4 μg/m3 (0) | 36.0 | |
| June 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 15.0 μg/m3 (14) | 1.2 μg/m3 (5) | 39.0 | |
| June 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 13.0 μg/m3 (13) | 0.1 μg/m3 (1) | 39.0 | |
| June 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 11.0 μg/m3 (11) | -2.2 μg/m3 (0) | 38.0 | |
| June 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 18.0 μg/m3 (17) | -0.2 μg/m3 (0) | 34.0 | |
| June 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 11.0 μg/m3 (11) | 1.9 μg/m3 (8) | 32.0 | |
| June 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 8.0 μg/m3 (8) | 1.1 μg/m3 (5) | 38.0 | |
| June 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 22.0 μg/m3 (21) | 2.6 μg/m3 (11) | 44.0 | |
| June 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 11.0 μg/m3 (11) | 3.8 μg/m3 (16) | 42.0 | |
| June 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 8.0 μg/m3 (8) | 1.6 μg/m3 (7) | 37.0 | |
| June 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 11.0 μg/m3 (11) | 2.1 μg/m3 (9) | 34.0 | |
| June 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 7.0 μg/m3 (7) | 2.4 μg/m3 (10) | 30.0 | |
| June 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 3.0 μg/m3 (3) | 1.8 μg/m3 (8) | 27.0 | |
| June 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 11.0 μg/m3 (11) | 2.3 μg/m3 (10) | 25.0 | |
| June 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 10.0 μg/m3 (10) | 2.1 μg/m3 (9) | 19.0 | |
| June 13, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 5.0 μg/m3 (5) | 2.8 μg/m3 (12) | 15.0 | |
| June 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 10.0 μg/m3 (10) | 5.0 μg/m3 (21) | 21.0 | |
| June 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 14.0 μg/m3 (13) | 2.6 μg/m3 (11) | 13.0 | |
| June 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 9.0 μg/m3 (9) | 1.4 μg/m3 (6) | 9.0 | |
| June 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 6.0 μg/m3 (6) | 4.1 μg/m3 (18) | 18.0 | |
| June 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 19.0 μg/m3 (18) | 3.1 μg/m3 (13) | 18.0 | |
| June 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 9.0 μg/m3 (9) | 0.6 μg/m3 (3) | 12.0 | |
| June 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 11.0 μg/m3 (11) | 2.2 μg/m3 (10) | 19.0 | |
| June 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 15.0 μg/m3 (14) | 7.2 μg/m3 (31) | 31.0 | |
| June 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 19.0 μg/m3 (18) | 8.4 μg/m3 (36) | 36.0 | |
| June 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 6.0 μg/m3 (6) | 3.8 μg/m3 (16) | 31.0 | |
| June 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 6.0 μg/m3 (6) | 1.4 μg/m3 (6) | 36.0 | |
| June 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 7.0 μg/m3 (7) | 3.4 μg/m3 (15) | 37.0 | |
| June 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 5.0 μg/m3 (5) | -0.1 μg/m3 (0) | 36.0 | |
| June 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 1.0 μg/m3 (1) | -2.0 μg/m3 (0) | 37.0 | |
| June 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 17.0 μg/m3 (16) | 2.6 μg/m3 (11) | 35.0 | |
| June 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 6.0 μg/m3 (6) | 1.8 μg/m3 (8) | 33.0 | |
| June 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 7.0 μg/m3 (7) | -0.3 μg/m3 (0) | 31.0 | |
| June 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 10.0 μg/m3 (10) | 1.8 μg/m3 (8) | 28.0 | |
| June 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 17.0 μg/m3 (16) | 3.3 μg/m3 (14) | 26.0 | |
| June 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 15.0 μg/m3 (14) | 3.6 μg/m3 (16) | 23.0 | |
| June 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 11.0 μg/m3 (11) | 3.6 μg/m3 (16) | 16.0 | |
| June 12, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 8.0 μg/m3 (8) | 0.8 μg/m3 (4) | 13.0 | |
| June 12, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 10.0 μg/m3 (10) | 0.9 μg/m3 (4) | 12.0 | |
| June 12, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 11.0 μg/m3 (11) | 0.1 μg/m3 (1) | 11.0 | |
| June 12, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 13.0 μg/m3 (13) | 0.6 μg/m3 (3) | 13.0 | |
| June 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 12.0 μg/m3 (12) | 3.3 μg/m3 (14) | 14.0 | |
| June 12, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 11.0 μg/m3 (11) | 5.5 μg/m3 (23) | 23.0 | |
| June 12, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 14.0 μg/m3 (13) | 3.5 μg/m3 (15) | 15.0 | |
| June 12, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 16.0 μg/m3 (15) | 2.1 μg/m3 (9) | 15.0 | |
| June 12, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 17.0 μg/m3 (16) | 2.6 μg/m3 (11) | 16.0 | |
| June 12, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 9.0 μg/m3 (9) | 3.8 μg/m3 (16) | 18.0 | |
| June 12, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 25.0 μg/m3 (24) | 4.8 μg/m3 (20) | 24.0 | |
| June 12, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 7.0 μg/m3 (7) | 0.1 μg/m3 (1) | 22.0 | |
| June 12, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 5.0 μg/m3 (5) | 0.6 μg/m3 (3) | 25.0 | |
| June 12, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 8.0 μg/m3 (8) | 0.6 μg/m3 (3) | 28.0 | |
| June 12, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 10.0 μg/m3 (10) | -0.3 μg/m3 (0) | 36.0 | |
| June 12, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 13.0 μg/m3 (13) | -0.5 μg/m3 (0) | 38.0 | |
| June 11, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 9.0 μg/m3 (9) | -0.3 μg/m3 (0) | 38.0 | |
| June 11, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 4.0 μg/m3 (4) | 0.8 μg/m3 (4) | 38.0 | |
| June 11, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 4.0 μg/m3 (4) | 1.1 μg/m3 (5) | 37.0 | |
| June 11, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 5.0 μg/m3 (5) | 2.6 μg/m3 (11) | 36.0 | |
| June 11, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 11.0 μg/m3 (11) | 2.3 μg/m3 (10) | 35.0 | |
| June 11, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 10.0 μg/m3 (10) | -0.1 μg/m3 (0) | 31.0 | |
| June 11, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 9.0 μg/m3 (9) | 3.1 μg/m3 (13) | 25.0 | |
| June 11, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 13.0 μg/m3 (13) | 7.3 μg/m3 (31) | 31.0 | |
| June 11, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 13.0 μg/m3 (13) | 15.2 μg/m3 (58) | 58.0 | |
| June 11, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 13.0 μg/m3 (13) | -0.3 μg/m3 (0) | 17.0 | |
| June 11, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 10.0 μg/m3 (10) | 1.8 μg/m3 (8) | 13.0 | |
| June 11, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 3.0 μg/m3 (3) | -1.1 μg/m3 (0) | 7.0 | |
| June 11, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 3.0 μg/m3 (3) | -4.0 μg/m3 (0) | 6.0 | |
| June 11, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 4.0 μg/m3 (4) | -2.2 μg/m3 (0) | 13.0 | |
| June 11, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 7.0 μg/m3 (7) | -1.0 μg/m3 (0) | 11.0 | |
| June 11, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 13.0 μg/m3 (13) | 0.4 μg/m3 (2) | 13.0 | |
| June 11, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 7.0 μg/m3 (7) | -0.3 μg/m3 (0) | 12.0 | |
| June 11, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 3.0 μg/m3 (3) | 2.4 μg/m3 (10) | 23.0 | |
| June 11, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 8.0 μg/m3 (8) | 6.9 μg/m3 (29) | 29.0 |