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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 19, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 3.0 μg/m3 (3) | -0.5 μg/m3 (0) | 35.0 | |
| Sept. 19, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 5.0 μg/m3 (5) | 0.6 μg/m3 (3) | 34.0 | |
| Sept. 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 3.0 μg/m3 (3) | 0.1 μg/m3 (1) | 34.0 | |
| Sept. 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 6.0 μg/m3 (6) | -0.5 μg/m3 (0) | 34.0 | |
| Sept. 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 5.0 μg/m3 (5) | 1.9 μg/m3 (8) | 37.0 | |
| Sept. 19, 2021, 4 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) | 1.4 μg/m3 (6) | 33.0 | |
| Sept. 19, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 8.0 μg/m3 (8) | -1.2 μg/m3 (0) | 22.0 | |
| Sept. 19, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 5.0 μg/m3 (5) | -0.8 μg/m3 (0) | 21.0 | |
| Sept. 19, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 5.0 μg/m3 (5) | -2.2 μg/m3 (0) | 23.0 | |
| Sept. 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 6.0 μg/m3 (6) | -1.5 μg/m3 (0) | 25.0 | |
| Sept. 19, 2021, 11 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) | 0.2 μg/m3 (1) | 28.0 | |
| Sept. 19, 2021, 10 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) | -0.8 μg/m3 (0) | 36.0 | |
| Sept. 19, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 9.0 μg/m3 (9) | 6.5 μg/m3 (28) | 37.0 | |
| Sept. 19, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 7.0 μg/m3 (7) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 19, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 3.0 μg/m3 (3) | -2.5 μg/m3 (0) | 37.0 | |
| Sept. 19, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 3.0 μg/m3 (3) | N/A | 41.0 | |
| Sept. 19, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 9.0 μg/m3 (9) | -2.5 μg/m3 (0) | 42.0 | |
| Sept. 19, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 8.0 μg/m3 (8) | 4.8 μg/m3 (20) | 37.0 | |
| Sept. 19, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 4.0 μg/m3 (4) | 5.3 μg/m3 (23) | 39.0 | |
| Sept. 19, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 4.0 μg/m3 (4) | -0.5 μg/m3 (0) | 44.0 | |
| Sept. 19, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 4.0 μg/m3 (4) | -0.5 μg/m3 (0) | 46.0 | |
| Sept. 19, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 23.0 μg/m3 (22) | 2.4 μg/m3 (10) | 45.0 | |
| Sept. 18, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 88.0 μg/m3 (68) | 18.3 μg/m3 (65) | 68.0 | |
| Sept. 18, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 90.0 μg/m3 (69) | 27.8 μg/m3 (85) | 85.0 | |
| Sept. 18, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 136.0 μg/m3 (92) | 32.9 μg/m3 (95) | 95.0 | |
| Sept. 18, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 83.0 μg/m3 (65) | 29.5 μg/m3 (88) | 88.0 | |
| Sept. 18, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 60.0 μg/m3 (54) | 32.9 μg/m3 (95) | 95.0 | |
| Sept. 18, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 52.0 μg/m3 (49) | 27.0 μg/m3 (83) | 83.0 | |
| Sept. 18, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 53.0 μg/m3 (50) | 30.9 μg/m3 (91) | 91.0 | |
| Sept. 18, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 51.0 μg/m3 (48) | 31.7 μg/m3 (93) | 93.0 | |
| Sept. 18, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 53.0 μg/m3 (50) | 22.6 μg/m3 (74) | 74.0 | |
| Sept. 18, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 48.0 μg/m3 (45) | 24.8 μg/m3 (78) | 78.0 | |
| Sept. 18, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 44.0 μg/m3 (41) | 29.9 μg/m3 (89) | 89.0 | |
| Sept. 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 51.0 μg/m3 (48) | 30.2 μg/m3 (90) | 90.0 | |
| Sept. 18, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 38.0 μg/m3 (36) | 28.5 μg/m3 (86) | 86.0 | |
| Sept. 18, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 45.0 μg/m3 (42) | 27.5 μg/m3 (84) | 84.0 | |
| Sept. 18, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 50.0 μg/m3 (47) | 29.5 μg/m3 (88) | 88.0 | |
| Sept. 18, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 59.0 μg/m3 (53) | 26.7 μg/m3 (82) | 82.0 | |
| Sept. 18, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 58.0 μg/m3 (53) | 32.4 μg/m3 (94) | 94.0 | |
| Sept. 18, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 49.0 μg/m3 (46) | 33.4 μg/m3 (96) | 96.0 | |
| Sept. 18, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 57.0 μg/m3 (52) | 33.6 μg/m3 (97) | 97.0 | |
| Sept. 18, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 47.0 μg/m3 (44) | 31.7 μg/m3 (93) | 93.0 | |
| Sept. 18, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 56.0 μg/m3 (52) | 29.5 μg/m3 (88) | 88.0 | |
| Sept. 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 59.0 μg/m3 (53) | 31.4 μg/m3 (92) | 92.0 | |
| Sept. 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 60.0 μg/m3 (54) | 24.9 μg/m3 (78) | 78.0 | |
| Sept. 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 54.0 μg/m3 (50) | 27.5 μg/m3 (84) | 84.0 | |
| Sept. 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 34.0 μg/m3 (32) | 15.1 μg/m3 (58) | 58.0 | |
| Sept. 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 33.0 μg/m3 (31) | 12.1 μg/m3 (51) | 51.0 | |
| Sept. 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 36.0 μg/m3 (34) | 11.6 μg/m3 (49) | 49.0 | |
| Sept. 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 18.0 μg/m3 (17) | 5.8 μg/m3 (25) | 39.0 | |
| Sept. 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 30.0 μg/m3 (28) | 7.1 μg/m3 (30) | 34.0 | |
| Sept. 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 22.0 μg/m3 (21) | 12.7 μg/m3 (53) | 53.0 | |
| Sept. 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 19.0 μg/m3 (18) | 11.8 μg/m3 (50) | 50.0 | |
| Sept. 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 13.0 μg/m3 (13) | 7.6 μg/m3 (32) | 32.0 | |
| Sept. 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 15.0 μg/m3 (14) | 2.1 μg/m3 (9) | 16.0 | |
| Sept. 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 19.0 μg/m3 (18) | 2.3 μg/m3 (10) | 18.0 | |
| Sept. 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 16.0 μg/m3 (15) | 2.6 μg/m3 (11) | 15.0 | |
| Sept. 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 7.0 μg/m3 (7) | 2.1 μg/m3 (9) | 10.0 | |
| Sept. 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 5.0 μg/m3 (5) | 0.3 μg/m3 (2) | 15.0 | |
| Sept. 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 7.0 μg/m3 (7) | 0.3 μg/m3 (2) | 17.0 | |
| Sept. 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 11.0 μg/m3 (11) | 2.3 μg/m3 (10) | 17.0 | |
| Sept. 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 10.0 μg/m3 (10) | 0.9 μg/m3 (4) | 18.0 | |
| Sept. 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 19.0 | |
| Sept. 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 10.0 μg/m3 (10) | -2.0 μg/m3 (0) | 23.0 | |
| Sept. 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 14.0 μg/m3 (13) | -3.5 μg/m3 (0) | 22.0 | |
| Sept. 17, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 16.0 μg/m3 (15) | -4.4 μg/m3 (0) | 25.0 | |
| Sept. 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 14.0 μg/m3 (13) | N/A | 27.0 | |
| Sept. 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 10.0 μg/m3 (10) | N/A | 22.0 | |
| Sept. 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 7.0 μg/m3 (7) | -2.2 μg/m3 (0) | 34.0 | |
| Sept. 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 10.0 μg/m3 (10) | -0.3 μg/m3 (0) | 37.0 | |
| Sept. 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 11.0 μg/m3 (11) | 0.1 μg/m3 (1) | 37.0 | |
| Sept. 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 17.0 μg/m3 (16) | 3.6 μg/m3 (16) | 37.0 | |
| Sept. 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 18.0 μg/m3 (17) | 5.8 μg/m3 (25) | 37.0 | |
| Sept. 16, 2021, 8 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) | 1.4 μg/m3 (6) | 37.0 | |
| Sept. 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 5.0 μg/m3 (5) | 0.1 μg/m3 (1) | 37.0 | |
| Sept. 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 24.0 μg/m3 (23) | -0.1 μg/m3 (0) | 37.0 | |
| Sept. 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 17.0 μg/m3 (16) | -1.5 μg/m3 (0) | 36.0 | |
| Sept. 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 14.0 μg/m3 (13) | 0.4 μg/m3 (2) | 34.0 | |
| Sept. 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 13.0 μg/m3 (13) | 0.4 μg/m3 (2) | 32.0 | |
| Sept. 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 19.0 μg/m3 (18) | -2.2 μg/m3 (0) | 32.0 | |
| Sept. 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 27.0 μg/m3 (25) | -1.0 μg/m3 (0) | 30.0 | |
| Sept. 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 13.0 μg/m3 (13) | 3.9 μg/m3 (17) | 40.0 | |
| Sept. 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 21.0 μg/m3 (20) | 6.3 μg/m3 (27) | 42.0 | |
| Sept. 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 22.0 μg/m3 (21) | 4.4 μg/m3 (19) | 43.0 | |
| Sept. 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 22.0 μg/m3 (21) | 2.9 μg/m3 (13) | 42.0 | |
| Sept. 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 22.0 μg/m3 (21) | 2.9 μg/m3 (13) | 43.0 | |
| Sept. 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 18.0 μg/m3 (17) | 1.6 μg/m3 (7) | 41.0 | |
| Sept. 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 22.0 μg/m3 (21) | 2.1 μg/m3 (9) | 39.0 | |
| Sept. 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 18.0 μg/m3 (17) | -0.5 μg/m3 (0) | 42.0 | |
| Sept. 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 25.0 μg/m3 (24) | -0.5 μg/m3 (0) | 38.0 | |
| Sept. 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 11.0 μg/m3 (11) | 2.4 μg/m3 (10) | 32.0 | |
| Sept. 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 21.0 μg/m3 (20) | 2.7 μg/m3 (12) | 38.0 | |
| Sept. 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 14.0 μg/m3 (13) | 4.9 μg/m3 (21) | 41.0 | |
| Sept. 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 22.0 μg/m3 (21) | 5.1 μg/m3 (22) | 42.0 | |
| Sept. 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 26.0 μg/m3 (25) | 2.6 μg/m3 (11) | 40.0 | |
| Sept. 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 28.0 μg/m3 (26) | 1.6 μg/m3 (7) | 37.0 | |
| Sept. 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 12.0 μg/m3 (12) | 2.4 μg/m3 (10) | 37.0 | |
| Sept. 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 14.0 μg/m3 (13) | 4.1 μg/m3 (18) | 34.0 | |
| Sept. 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 17.0 μg/m3 (16) | 5.8 μg/m3 (25) | 33.0 | |
| Sept. 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 52.0 μg/m3 (49) | 4.6 μg/m3 (20) | 49.0 | |
| Sept. 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 24.0 μg/m3 (23) | 3.1 μg/m3 (13) | 31.0 | |
| Sept. 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 14.0 μg/m3 (13) | 3.6 μg/m3 (16) | 31.0 | |
| Sept. 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 28.0 μg/m3 (26) | 3.6 μg/m3 (16) | 26.0 | |
| Sept. 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 4.8 μg/m3 (20) | 37.0 | |
| Sept. 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 4.6 μg/m3 (20) | 20.0 | |
| Sept. 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 17.0 μg/m3 (16) | 0.9 μg/m3 (4) | 18.0 | |
| Sept. 15, 2021, 11 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) | 2.6 μg/m3 (11) | 20.0 | |
| Sept. 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 14.0 μg/m3 (13) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 15.0 μg/m3 (14) | 4.1 μg/m3 (18) | 25.0 | |
| Sept. 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 18.0 μg/m3 (17) | 3.6 μg/m3 (16) | 28.0 | |
| Sept. 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 26.0 μg/m3 (25) | 4.6 μg/m3 (20) | 30.0 | |
| Sept. 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 12.0 μg/m3 (12) | 1.9 μg/m3 (8) | 32.0 | |
| Sept. 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 6.0 μg/m3 (6) | -3.0 μg/m3 (0) | 40.0 | |
| Sept. 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 2.0 μg/m3 (2) | 2.8 μg/m3 (12) | 45.0 | |
| Sept. 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 26.0 μg/m3 (25) | 7.2 μg/m3 (31) | 31.0 | |
| Sept. 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 32.0 μg/m3 (30) | 3.4 μg/m3 (15) | 30.0 | |
| Sept. 15, 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) | 1.7 μg/m3 (8) | 38.0 | |
| Sept. 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 9.0 μg/m3 (9) | 2.2 μg/m3 (10) | 46.0 | |
| Sept. 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 10.0 μg/m3 (10) | 5.0 μg/m3 (21) | 46.0 | |
| Sept. 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 11.0 μg/m3 (11) | 6.2 μg/m3 (26) | 46.0 | |
| Sept. 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 12.0 μg/m3 (12) | 2.9 μg/m3 (13) | 44.0 | |
| Sept. 14, 2021, 8 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) | 1.1 μg/m3 (5) | 43.0 | |
| Sept. 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 5.1 μg/m3 (22) | 41.0 | |
| Sept. 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 16.0 μg/m3 (15) | 8.4 μg/m3 (36) | 37.0 | |
| Sept. 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (27) | 8.6 μg/m3 (36) | 36.0 | |
| Sept. 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 38.0 μg/m3 (36) | 4.0 μg/m3 (17) | 36.0 | |
| Sept. 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 8.0 μg/m3 (8) | 2.8 μg/m3 (12) | 12.0 | |
| Sept. 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 9.0 μg/m3 (9) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 14, 2021, 11 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) | 5.7 μg/m3 (24) | 24.0 | |
| Sept. 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 18.0 μg/m3 (17) | 5.3 μg/m3 (23) | 23.0 | |
| Sept. 14, 2021, 9 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) | 7.0 μg/m3 (30) | 30.0 | |
| Sept. 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 16.0 μg/m3 (15) | 8.1 μg/m3 (34) | 34.0 | |
| Sept. 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 13.0 μg/m3 (13) | 4.8 μg/m3 (20) | 20.0 | |
| Sept. 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 16.0 μg/m3 (15) | -4.2 μg/m3 (0) | 23.0 | |
| Sept. 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 21.0 μg/m3 (20) | N/A | 25.0 | |
| Sept. 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 18.0 μg/m3 (17) | 0.0 μg/m3 (0) | 28.0 | |
| Sept. 14, 2021, 3 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) | 4.6 μg/m3 (20) | 31.0 | |
| Sept. 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 7.0 μg/m3 (7) | 5.7 μg/m3 (24) | 30.0 | |
| Sept. 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 7.0 μg/m3 (7) | 4.5 μg/m3 (19) | 38.0 | |
| Sept. 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 10.0 μg/m3 (10) | 3.6 μg/m3 (16) | 42.0 | |
| Sept. 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 13.0 μg/m3 (13) | 2.9 μg/m3 (13) | 42.0 | |
| Sept. 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 16.0 μg/m3 (15) | 5.3 μg/m3 (23) | 43.0 | |
| Sept. 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 15.0 μg/m3 (14) | 5.3 μg/m3 (23) | 44.0 | |
| Sept. 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 14.0 μg/m3 (13) | 8.9 μg/m3 (38) | 43.0 | |
| Sept. 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 15.0 μg/m3 (14) | 13.5 μg/m3 (54) | 54.0 | |
| Sept. 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 21.0 μg/m3 (20) | 25.5 μg/m3 (80) | 80.0 | |
| Sept. 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 23.0 μg/m3 (22) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 13, 2021, 4 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) | 12.7 μg/m3 (53) | 53.0 | |
| Sept. 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 33.0 μg/m3 (31) | 11.8 μg/m3 (50) | 50.0 | |
| Sept. 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 34.0 μg/m3 (32) | 7.4 μg/m3 (31) | 32.0 | |
| Sept. 13, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 22.0 μg/m3 (21) | 5.2 μg/m3 (22) | 22.0 | |
| Sept. 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 18.0 μg/m3 (17) | 7.0 μg/m3 (30) | 30.0 | |
| Sept. 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 18.0 μg/m3 (17) | 9.3 μg/m3 (39) | 39.0 | |
| Sept. 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 17.0 μg/m3 (16) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 18.0 μg/m3 (17) | 9.8 μg/m3 (41) | 41.0 | |
| Sept. 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 17.0 μg/m3 (16) | 9.1 μg/m3 (38) | 38.0 | |
| Sept. 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 21.0 μg/m3 (20) | 2.1 μg/m3 (9) | 20.0 | |
| Sept. 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 15.0 μg/m3 (14) | -2.2 μg/m3 (0) | 14.0 | |
| Sept. 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 16.0 μg/m3 (15) | 1.6 μg/m3 (7) | 20.0 | |
| Sept. 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 23.0 μg/m3 (22) | 4.6 μg/m3 (20) | 22.0 | |
| Sept. 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 20.0 μg/m3 (19) | 4.6 μg/m3 (20) | 20.0 | |
| Sept. 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 22.0 μg/m3 (21) | 4.9 μg/m3 (21) | 25.0 | |
| Sept. 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 5.0 μg/m3 (5) | 4.8 μg/m3 (20) | 26.0 | |
| Sept. 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 17.0 μg/m3 (16) | 3.6 μg/m3 (16) | 30.0 | |
| Sept. 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 13.0 μg/m3 (13) | 8.7 μg/m3 (37) | 37.0 |