Malta (Short Oil Rd) MT, US: 48.317507, -107.862471
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 28.0 μg/m3 (25) | 17.4 μg/m3 (61) | 61.0 | |
| Sept. 19, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 28.0 μg/m3 (25) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 30.0 μg/m3 (27) | 15.8 μg/m3 (58) | 58.0 | |
| Sept. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 36.0 μg/m3 (33) | 23.2 μg/m3 (74) | 74.0 | |
| Sept. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 41.0 μg/m3 (37) | 29.7 μg/m3 (88) | 88.0 | |
| Sept. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 41.0 μg/m3 (37) | 25.9 μg/m3 (80) | 80.0 | |
| Sept. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 42.0 μg/m3 (38) | 26.5 μg/m3 (81) | 81.0 | |
| Sept. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 37.0 μg/m3 (34) | 26.7 μg/m3 (81) | 81.0 | |
| Sept. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 35.0 μg/m3 (32) | 26.0 μg/m3 (80) | 80.0 | |
| Sept. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 36.0 μg/m3 (33) | 25.4 μg/m3 (79) | 79.0 | |
| Sept. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 36.0 μg/m3 (33) | 21.7 μg/m3 (71) | 71.0 | |
| Sept. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 36.0 μg/m3 (33) | 24.0 μg/m3 (76) | 76.0 | |
| Sept. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 35.0 μg/m3 (32) | 17.4 μg/m3 (61) | 61.0 | |
| Sept. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 30.0 μg/m3 (27) | 18.6 μg/m3 (64) | 64.0 | |
| Sept. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 25.0 μg/m3 (23) | 15.9 μg/m3 (58) | 58.0 | |
| Sept. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 12.0 μg/m3 (11) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 21.0 μg/m3 (19) | 17.7 μg/m3 (62) | 62.0 | |
| Sept. 18, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 19.0 μg/m3 (17) | 24.4 μg/m3 (76) | 76.0 | |
| Sept. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 24.0 μg/m3 (22) | 14.9 μg/m3 (56) | 56.0 | |
| Sept. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 30.0 μg/m3 (27) | 17.8 μg/m3 (62) | 62.0 | |
| Sept. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 27.0 μg/m3 (25) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 30.0 μg/m3 (27) | 13.5 μg/m3 (53) | 53.0 | |
| Sept. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 26.0 μg/m3 (24) | 16.5 μg/m3 (60) | 60.0 | |
| Sept. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 26.0 μg/m3 (24) | 18.5 μg/m3 (64) | 64.0 | |
| Sept. 18, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 23.0 μg/m3 (21) | 18.3 μg/m3 (63) | 63.0 | |
| Sept. 18, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 21.0 μg/m3 (19) | 14.7 μg/m3 (56) | 56.0 | |
| Sept. 18, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 29.0 μg/m3 (26) | 11.7 μg/m3 (49) | 49.0 | |
| Sept. 18, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 29.0 μg/m3 (26) | 21.2 μg/m3 (70) | 70.0 | |
| Sept. 18, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 29.0 μg/m3 (26) | 15.1 μg/m3 (57) | 57.0 | |
| Sept. 18, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 30.0 μg/m3 (27) | 16.1 μg/m3 (59) | 59.0 | |
| Sept. 18, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 36.0 μg/m3 (33) | 17.8 μg/m3 (62) | 62.0 | |
| Sept. 18, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 35.0 μg/m3 (32) | 17.7 μg/m3 (62) | 62.0 | |
| Sept. 18, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 28.0 μg/m3 (25) | 14.2 μg/m3 (55) | 55.0 | |
| Sept. 17, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 33.0 μg/m3 (30) | 12.5 μg/m3 (51) | 51.0 | |
| Sept. 17, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 32.0 μg/m3 (29) | 17.5 μg/m3 (62) | 62.0 | |
| Sept. 17, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 33.0 μg/m3 (30) | 13.8 μg/m3 (54) | 54.0 | |
| Sept. 17, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 33.0 μg/m3 (30) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 17, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 33.0 μg/m3 (30) | 10.8 μg/m3 (45) | 45.0 | |
| Sept. 17, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 55.0 μg/m3 (50) | 14.3 μg/m3 (55) | 55.0 | |
| Sept. 17, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 34.0 μg/m3 (31) | 10.5 μg/m3 (44) | 44.0 | |
| Sept. 17, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 23.0 μg/m3 (21) | 14.7 μg/m3 (56) | 56.0 | |
| Sept. 17, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 18.0 μg/m3 (16) | 11.1 μg/m3 (46) | 46.0 | |
| Sept. 17, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 10.0 μg/m3 (9) | 9.9 μg/m3 (41) | 41.0 | |
| Sept. 17, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | N/A | 20.0 μg/m3 (18) | 11.6 μg/m3 (48) | 48.0 | |
| Sept. 17, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 21.0 μg/m3 (19) | 12.1 μg/m3 (50) | 50.0 | |
| Sept. 17, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 23.0 μg/m3 (21) | 11.3 μg/m3 (47) | 47.0 | |
| Sept. 17, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 20.0 μg/m3 (18) | 12.2 μg/m3 (50) | 50.0 | |
| Sept. 17, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 20.0 μg/m3 (18) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 17, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 22.0 μg/m3 (20) | 16.8 μg/m3 (60) | 60.0 | |
| Sept. 17, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 22.0 μg/m3 (20) | 19.6 μg/m3 (66) | 66.0 | |
| Sept. 17, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 22.0 μg/m3 (20) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 17, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 21.0 μg/m3 (19) | 9.5 μg/m3 (40) | 40.0 | |
| Sept. 17, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 23.0 μg/m3 (21) | 13.3 μg/m3 (53) | 53.0 | |
| Sept. 17, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 27.0 μg/m3 (25) | 10.8 μg/m3 (45) | 45.0 | |
| Sept. 17, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 27.0 μg/m3 (25) | 11.9 μg/m3 (50) | 50.0 | |
| Sept. 17, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 36.0 μg/m3 (33) | 13.6 μg/m3 (53) | 53.0 | |
| Sept. 17, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 53.0 μg/m3 (48) | 25.0 μg/m3 (78) | 78.0 | |
| Sept. 16, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 126.0 μg/m3 (86) | 35.7 μg/m3 (100) | 100.0 | |
| Sept. 16, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 158.0 μg/m3 (102) | 27.1 μg/m3 (82) | 102.0 | |
| Sept. 16, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 40.0 μg/m3 (36) | 8.8 μg/m3 (37) | 37.0 | |
| Sept. 16, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 33.0 μg/m3 (30) | 8.4 μg/m3 (35) | 35.0 | |
| Sept. 16, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 23.0 μg/m3 (21) | 11.1 μg/m3 (46) | 46.0 | |
| Sept. 16, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 21.0 μg/m3 (19) | 6.5 μg/m3 (27) | 27.0 | |
| Sept. 16, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 27.0 μg/m3 (25) | 5.9 μg/m3 (25) | 25.0 | |
| Sept. 16, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 43.0 μg/m3 (39) | 11.9 μg/m3 (50) | 50.0 | |
| Sept. 16, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 115.0 μg/m3 (80) | 18.6 μg/m3 (64) | 80.0 | |
| Sept. 16, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 29.5 μg/m3 (87) | 87.0 | |
| Sept. 16, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 103.0 μg/m3 (74) | 16.6 μg/m3 (60) | 74.0 | |
| Sept. 16, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 66.0 μg/m3 (56) | 12.2 μg/m3 (50) | 56.0 | |
| Sept. 16, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 41.0 μg/m3 (37) | 12.3 μg/m3 (51) | 51.0 | |
| Sept. 16, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 23.0 μg/m3 (21) | 10.4 μg/m3 (43) | 43.0 | |
| Sept. 16, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 48.0 μg/m3 (44) | 11.7 μg/m3 (49) | 49.0 | |
| Sept. 16, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 46.0 μg/m3 (42) | 15.5 μg/m3 (57) | 57.0 | |
| Sept. 16, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 19.0 μg/m3 (17) | 8.1 μg/m3 (34) | 34.0 | |
| Sept. 16, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 24.0 μg/m3 (22) | 8.4 μg/m3 (35) | 35.0 | |
| Sept. 16, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 30.0 μg/m3 (27) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 16, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 32.0 μg/m3 (29) | 12.6 μg/m3 (51) | 51.0 | |
| Sept. 16, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 33.0 μg/m3 (30) | 12.7 μg/m3 (51) | 51.0 | |
| Sept. 16, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 16.8 μg/m3 (60) | 60.0 | |
| Sept. 16, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 25.7 μg/m3 (79) | 79.0 | |
| Sept. 16, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 260.0 μg/m3 (152) | 48.5 μg/m3 (132) | 152.0 | |
| Sept. 15, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 291.0 μg/m3 (168) | 30.8 μg/m3 (90) | 168.0 | |
| Sept. 15, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | N/A | N/A | 22.0 | |
| Sept. 15, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 15, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 161.0 μg/m3 (103) | 19.5 μg/m3 (66) | 103.0 | |
| Sept. 15, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 170.0 μg/m3 (108) | 17.7 μg/m3 (62) | 108.0 | |
| Sept. 15, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 159.0 μg/m3 (102) | 21.3 μg/m3 (70) | 102.0 | |
| Sept. 15, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 145.0 μg/m3 (95) | 15.0 μg/m3 (56) | 95.0 | |
| Sept. 15, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 132.0 μg/m3 (88) | 14.5 μg/m3 (55) | 88.0 | |
| Sept. 15, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | N/A | 145.0 μg/m3 (95) | 9.3 μg/m3 (39) | 95.0 | |
| Sept. 15, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (4) | N/A | 147.0 μg/m3 (96) | 14.1 μg/m3 (54) | 96.0 | |
| Sept. 15, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (4) | N/A | 89.0 μg/m3 (67) | 7.8 μg/m3 (32) | 67.0 | |
| Sept. 15, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | N/A | 36.0 μg/m3 (33) | 8.9 μg/m3 (37) | 37.0 | |
| Sept. 15, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | N/A | 24.0 μg/m3 (22) | 8.3 μg/m3 (35) | 35.0 | |
| Sept. 15, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | N/A | 24.0 μg/m3 (22) | 5.7 μg/m3 (24) | 24.0 | |
| Sept. 15, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (4) | N/A | 22.0 μg/m3 (20) | 9.7 μg/m3 (40) | 40.0 | |
| Sept. 15, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | N/A | 26.0 μg/m3 (24) | 12.3 μg/m3 (51) | 51.0 | |
| Sept. 15, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 31.0 μg/m3 (28) | 22.2 μg/m3 (72) | 72.0 | |
| Sept. 15, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 26.0 μg/m3 (24) | 7.7 μg/m3 (32) | 32.0 | |
| Sept. 15, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 29.0 μg/m3 (26) | 8.6 μg/m3 (36) | 36.0 | |
| Sept. 15, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 43.0 μg/m3 (39) | 12.6 μg/m3 (51) | 51.0 | |
| Sept. 15, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | N/A | N/A | 20.9 μg/m3 (69) | 69.0 | |
| Sept. 15, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 193.0 μg/m3 (119) | 32.0 μg/m3 (93) | 119.0 | |
| Sept. 15, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 183.0 μg/m3 (114) | 30.9 μg/m3 (90) | 114.0 | |
| Sept. 15, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 182.0 μg/m3 (114) | 33.4 μg/m3 (96) | 114.0 | |
| Sept. 14, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 161.0 μg/m3 (103) | 35.3 μg/m3 (100) | 103.0 | |
| Sept. 14, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 135.0 μg/m3 (90) | 20.7 μg/m3 (69) | 90.0 | |
| Sept. 14, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 140.0 μg/m3 (92) | 21.1 μg/m3 (69) | 92.0 | |
| Sept. 14, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 98.0 μg/m3 (72) | 16.9 μg/m3 (60) | 72.0 | |
| Sept. 14, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 111.0 μg/m3 (78) | 15.6 μg/m3 (58) | 78.0 | |
| Sept. 14, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 88.0 μg/m3 (66) | 16.6 μg/m3 (60) | 66.0 | |
| Sept. 14, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 23.0 μg/m3 (21) | 9.3 μg/m3 (39) | 39.0 | |
| Sept. 14, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 14.0 μg/m3 (13) | 7.4 μg/m3 (31) | 31.0 | |
| Sept. 14, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 17.0 μg/m3 (15) | 8.2 μg/m3 (34) | 34.0 | |
| Sept. 14, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 11.0 μg/m3 (10) | 3.0 μg/m3 (12) | 12.0 | |
| Sept. 14, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 8.0 μg/m3 (7) | 4.9 μg/m3 (20) | 20.0 | |
| Sept. 14, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 14.0 μg/m3 (13) | 5.2 μg/m3 (22) | 22.0 | |
| Sept. 14, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 9.0 μg/m3 (8) | 5.4 μg/m3 (23) | 23.0 | |
| Sept. 14, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 11.0 μg/m3 (10) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 14, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 15.0 μg/m3 (14) | 7.9 μg/m3 (33) | 33.0 | |
| Sept. 14, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 13.0 μg/m3 (12) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 14, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 10.0 μg/m3 (9) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 14, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 9.0 μg/m3 (8) | 3.8 μg/m3 (16) | 16.0 | |
| Sept. 14, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 7.0 μg/m3 (6) | 6.7 μg/m3 (28) | 28.0 | |
| Sept. 14, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 7.0 μg/m3 (6) | 5.2 μg/m3 (22) | 22.0 | |
| Sept. 14, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 10.0 μg/m3 (9) | 12.5 μg/m3 (51) | 51.0 | |
| Sept. 14, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 9.0 μg/m3 (8) | 14.3 μg/m3 (55) | 55.0 | |
| Sept. 14, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 13.0 μg/m3 (12) | 24.5 μg/m3 (77) | 77.0 | |
| Sept. 14, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 15.0 μg/m3 (14) | 27.1 μg/m3 (82) | 82.0 | |
| Sept. 13, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 9.0 μg/m3 (8) | 15.2 μg/m3 (57) | 57.0 | |
| Sept. 13, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 10.0 μg/m3 (9) | 21.2 μg/m3 (70) | 70.0 | |
| Sept. 13, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 6.0 μg/m3 (5) | 16.8 μg/m3 (60) | 60.0 | |
| Sept. 13, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 11.0 μg/m3 (10) | 7.1 μg/m3 (30) | 30.0 | |
| Sept. 13, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 10.0 μg/m3 (9) | 10.1 μg/m3 (42) | 42.0 | |
| Sept. 13, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 7.0 μg/m3 (6) | 10.2 μg/m3 (42) | 42.0 | |
| Sept. 13, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 10.0 μg/m3 (9) | 7.2 μg/m3 (30) | 30.0 | |
| Sept. 13, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 19.0 μg/m3 (17) | 6.5 μg/m3 (27) | 27.0 | |
| Sept. 13, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 21.0 μg/m3 (19) | 3.3 μg/m3 (14) | 19.0 | |
| Sept. 13, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 10.0 μg/m3 (9) | 8.1 μg/m3 (34) | 34.0 | |
| Sept. 13, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 13.0 μg/m3 (12) | 6.3 μg/m3 (26) | 26.0 | |
| Sept. 13, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 12.0 μg/m3 (11) | 10.4 μg/m3 (43) | 43.0 | |
| Sept. 13, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 10.0 μg/m3 (9) | 8.3 μg/m3 (35) | 35.0 | |
| Sept. 13, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 13.0 μg/m3 (12) | 11.3 μg/m3 (47) | 47.0 | |
| Sept. 13, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 15.0 μg/m3 (14) | 11.5 μg/m3 (48) | 48.0 | |
| Sept. 13, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 19.0 μg/m3 (17) | 11.7 μg/m3 (49) | 49.0 | |
| Sept. 13, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 28.0 μg/m3 (25) | 15.2 μg/m3 (57) | 57.0 | |
| Sept. 13, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 26.0 μg/m3 (24) | 7.7 μg/m3 (32) | 32.0 | |
| Sept. 13, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 27.0 μg/m3 (25) | 8.3 μg/m3 (35) | 35.0 | |
| Sept. 13, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | N/A | 13.4 μg/m3 (53) | 53.0 | |
| Sept. 13, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 17.8 μg/m3 (62) | 62.0 | |
| Sept. 13, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 237.0 μg/m3 (141) | 35.4 μg/m3 (100) | 141.0 | |
| Sept. 13, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 36.5 μg/m3 (102) | 102.0 | |
| Sept. 13, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 122.0 μg/m3 (84) | 27.6 μg/m3 (83) | 84.0 | |
| Sept. 12, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 96.0 μg/m3 (70) | 26.0 μg/m3 (80) | 80.0 | |
| Sept. 12, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 102.0 μg/m3 (74) | 20.0 μg/m3 (67) | 74.0 | |
| Sept. 12, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 93.0 μg/m3 (69) | 20.3 μg/m3 (68) | 69.0 | |
| Sept. 12, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 85.0 μg/m3 (65) | 18.1 μg/m3 (63) | 65.0 | |
| Sept. 12, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 31.0 μg/m3 (28) | 11.6 μg/m3 (48) | 48.0 | |
| Sept. 12, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 23.0 μg/m3 (21) | 9.8 μg/m3 (41) | 41.0 | |
| Sept. 12, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 17.0 μg/m3 (15) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 12, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 19.0 μg/m3 (17) | 12.2 μg/m3 (50) | 50.0 | |
| Sept. 12, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 15.0 μg/m3 (14) | 13.3 μg/m3 (53) | 53.0 | |
| Sept. 12, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 14.0 μg/m3 (13) | 3.9 μg/m3 (16) | 17.0 | |
| Sept. 12, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 10.0 μg/m3 (9) | 3.8 μg/m3 (16) | 16.0 | |
| Sept. 12, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 9.0 μg/m3 (8) | 8.1 μg/m3 (34) | 34.0 | |
| Sept. 12, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 9.0 μg/m3 (8) | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 12, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 6.0 μg/m3 (5) | 7.4 μg/m3 (31) | 31.0 | |
| Sept. 12, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 13.0 μg/m3 (12) | 8.7 μg/m3 (36) | 36.0 |