Bakersfield (Manor St) CA, US: 35.438035, -119.016787
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 20, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | N/A | 68.0 μg/m3 (56) | N/A | 56.0 | |
| Sept. 20, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (49) | N/A | 67.0 μg/m3 (56) | N/A | 56.0 | |
| Sept. 20, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (47) | N/A | 78.0 μg/m3 (62) | N/A | 62.0 | |
| Sept. 20, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | 76.0 μg/m3 (60) | N/A | 60.0 | |
| Sept. 20, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 64.0 μg/m3 (54) | N/A | 54.0 | |
| Sept. 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 82.0 μg/m3 (64) | N/A | 64.0 | |
| Sept. 20, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 74.0 μg/m3 (60) | N/A | 60.0 | |
| Sept. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 66.0 μg/m3 (56) | N/A | 56.0 | |
| Sept. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 69.0 μg/m3 (57) | N/A | 57.0 | |
| Sept. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 144.0 μg/m3 (94) | N/A | 94.0 | |
| Sept. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 μg/m3 (52) | N/A | 52.0 | |
| Sept. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 76.0 μg/m3 (60) | N/A | 60.0 | |
| Sept. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 83.0 μg/m3 (64) | N/A | 64.0 | |
| Sept. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 98.0 μg/m3 (72) | N/A | 72.0 | |
| Sept. 20, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 63.0 μg/m3 (54) | N/A | 54.0 | |
| Sept. 20, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 74.0 μg/m3 (60) | N/A | 60.0 | |
| Sept. 20, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 78.0 μg/m3 (62) | N/A | 62.0 | |
| Sept. 20, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 75.0 μg/m3 (60) | N/A | 60.0 | |
| Sept. 20, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 94.0 μg/m3 (70) | N/A | 70.0 | |
| Sept. 20, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 68.0 μg/m3 (56) | N/A | 56.0 | |
| Sept. 20, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 73.0 μg/m3 (59) | N/A | 59.0 | |
| Sept. 20, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 71.0 μg/m3 (58) | N/A | 58.0 | |
| Sept. 20, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 73.0 μg/m3 (59) | N/A | 59.0 | |
| Sept. 19, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | 81.0 μg/m3 (63) | N/A | 63.0 | |
| Sept. 19, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 55.0 μg/m3 (50) | N/A | 50.0 | |
| Sept. 19, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 53.0 μg/m3 (48) | N/A | 48.0 | |
| Sept. 19, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 51.0 μg/m3 (46) | N/A | 46.0 | |
| Sept. 19, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 62.0 μg/m3 (54) | N/A | 54.0 | |
| Sept. 19, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 49.0 μg/m3 (45) | N/A | 45.0 | |
| Sept. 19, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 60.0 μg/m3 (52) | N/A | 52.0 | |
| Sept. 19, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 66.0 μg/m3 (56) | N/A | 56.0 | |
| Sept. 19, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 67.0 μg/m3 (56) | N/A | 56.0 | |
| Sept. 19, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 78.0 μg/m3 (62) | N/A | 62.0 | |
| Sept. 19, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 63.0 μg/m3 (54) | N/A | 54.0 | |
| Sept. 19, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 μg/m3 (56) | N/A | 56.0 | |
| Sept. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 65.0 μg/m3 (55) | N/A | 55.0 | |
| Sept. 19, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 70.0 μg/m3 (58) | N/A | 58.0 | |
| Sept. 19, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 75.0 μg/m3 (60) | N/A | 60.0 | |
| Sept. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 87.0 μg/m3 (66) | N/A | 66.0 | |
| Sept. 19, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 82.0 μg/m3 (64) | N/A | 64.0 | |
| Sept. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 119.0 μg/m3 (82) | N/A | 82.0 | |
| Sept. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 152.0 μg/m3 (98) | N/A | 98.0 | |
| Sept. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 101.0 μg/m3 (73) | N/A | 73.0 | |
| Sept. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 127.0 μg/m3 (86) | N/A | 86.0 | |
| Sept. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 98.0 μg/m3 (72) | N/A | 72.0 | |
| Sept. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | 106.0 μg/m3 (76) | N/A | 76.0 | |
| Sept. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | 103.0 μg/m3 (74) | N/A | 74.0 | |
| Sept. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | 102.0 μg/m3 (74) | N/A | 74.0 | |
| Sept. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (49) | N/A | 101.0 μg/m3 (73) | N/A | 73.0 | |
| Sept. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | N/A | 103.0 μg/m3 (74) | N/A | 74.0 | |
| Sept. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | 102.0 μg/m3 (74) | N/A | 74.0 | |
| Sept. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 101.0 μg/m3 (73) | N/A | 73.0 | |
| Sept. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 80.0 μg/m3 (62) | N/A | 62.0 | |
| Sept. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 88.0 μg/m3 (66) | N/A | 66.0 | |
| Sept. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 77.0 μg/m3 (61) | N/A | 61.0 | |
| Sept. 18, 2020, 3 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) | N/A | 78.0 | |
| Sept. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 132.0 μg/m3 (88) | N/A | 88.0 | |
| Sept. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 184.0 μg/m3 (114) | N/A | 114.0 | |
| Sept. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 161.0 μg/m3 (103) | N/A | 103.0 | |
| Sept. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 154.0 μg/m3 (100) | N/A | 100.0 | |
| Sept. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (32) | N/A | 148.0 μg/m3 (96) | N/A | 96.0 | |
| Sept. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 179.0 μg/m3 (112) | N/A | 112.0 | |
| Sept. 18, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 218.0 μg/m3 (132) | N/A | 132.0 | |
| Sept. 18, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 220.0 μg/m3 (132) | N/A | 132.0 | |
| Sept. 18, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 175.0 μg/m3 (110) | N/A | 110.0 | |
| Sept. 18, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 198.0 μg/m3 (122) | N/A | 122.0 | |
| Sept. 18, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (45) | N/A | 203.0 μg/m3 (124) | N/A | 124.0 | |
| Sept. 18, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | 203.0 μg/m3 (124) | N/A | 124.0 | |
| Sept. 18, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | 199.0 μg/m3 (122) | N/A | 122.0 | |
| Sept. 18, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (49) | N/A | 218.0 μg/m3 (132) | N/A | 132.0 | |
| Sept. 18, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 ppb (55) | N/A | 191.0 μg/m3 (118) | N/A | 118.0 | |
| Sept. 17, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 74.0 ppb (57) | N/A | 164.0 μg/m3 (104) | N/A | 104.0 | |
| Sept. 17, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 81.0 ppb (63) | N/A | 172.0 μg/m3 (108) | N/A | 108.0 | |
| Sept. 17, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 86.0 ppb (68) | N/A | 197.0 μg/m3 (121) | N/A | 121.0 | |
| Sept. 17, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 90.0 ppb (71) | N/A | 181.0 μg/m3 (113) | N/A | 113.0 | |
| Sept. 17, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 75.0 ppb (58) | N/A | 180.0 μg/m3 (112) | N/A | 112.0 | |
| Sept. 17, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (48) | N/A | 184.0 μg/m3 (114) | N/A | 114.0 | |
| Sept. 17, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | 174.0 μg/m3 (110) | N/A | 110.0 | |
| Sept. 17, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 142.0 μg/m3 (94) | N/A | 94.0 | |
| Sept. 17, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 143.0 μg/m3 (94) | N/A | 94.0 | |
| Sept. 17, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 284.0 μg/m3 (164) | N/A | 164.0 | |
| Sept. 17, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 276.0 μg/m3 (160) | N/A | 160.0 | |
| Sept. 17, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 171.0 μg/m3 (108) | N/A | 108.0 | |
| Sept. 17, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 171.0 μg/m3 (108) | N/A | 108.0 | |
| Sept. 17, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 146.0 μg/m3 (96) | N/A | 96.0 | |
| Sept. 17, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 177.0 μg/m3 (111) | N/A | 111.0 | |
| Sept. 17, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 188.0 μg/m3 (116) | N/A | 116.0 | |
| Sept. 17, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 200.0 μg/m3 (122) | N/A | 122.0 | |
| Sept. 17, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 191.0 μg/m3 (118) | N/A | 118.0 | |
| Sept. 17, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 196.0 μg/m3 (120) | N/A | 120.0 | |
| Sept. 17, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | 202.0 μg/m3 (124) | N/A | 124.0 | |
| Sept. 17, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | N/A | 291.0 μg/m3 (168) | N/A | 168.0 | |
| Sept. 17, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 ppb (52) | N/A | 200.0 μg/m3 (122) | N/A | 122.0 | |
| Sept. 17, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 72.0 ppb (56) | N/A | 168.0 μg/m3 (106) | N/A | 106.0 | |
| Sept. 17, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 72.0 ppb (56) | N/A | 182.0 μg/m3 (114) | N/A | 114.0 | |
| Sept. 16, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 77.0 ppb (60) | N/A | 145.0 μg/m3 (95) | N/A | 95.0 | |
| Sept. 16, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 80.0 ppb (62) | N/A | 193.0 μg/m3 (119) | N/A | 119.0 | |
| Sept. 16, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 77.0 ppb (60) | N/A | 223.0 μg/m3 (134) | N/A | 134.0 | |
| Sept. 16, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 79.0 ppb (62) | N/A | 202.0 μg/m3 (124) | N/A | 124.0 | |
| Sept. 16, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 ppb (55) | N/A | 206.0 μg/m3 (126) | N/A | 126.0 | |
| Sept. 16, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | 202.0 μg/m3 (124) | N/A | 124.0 | |
| Sept. 16, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 207.0 μg/m3 (126) | N/A | 126.0 | |
| Sept. 16, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 166.0 μg/m3 (106) | N/A | 106.0 | |
| Sept. 16, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 158.0 μg/m3 (102) | N/A | 102.0 | |
| Sept. 16, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 187.0 μg/m3 (116) | N/A | 116.0 | |
| Sept. 16, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 212.0 μg/m3 (128) | N/A | 128.0 | |
| Sept. 16, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 216.0 μg/m3 (130) | N/A | 130.0 | |
| Sept. 16, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 263.0 μg/m3 (154) | N/A | 154.0 | |
| Sept. 16, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 195.0 μg/m3 (120) | N/A | 120.0 | |
| Sept. 16, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 191.0 μg/m3 (118) | N/A | 118.0 | |
| Sept. 16, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | 212.0 μg/m3 (128) | N/A | 128.0 | |
| Sept. 16, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 274.0 μg/m3 (160) | N/A | 160.0 | |
| Sept. 16, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | 251.0 μg/m3 (148) | N/A | 148.0 | |
| Sept. 16, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 257.0 μg/m3 (151) | N/A | 151.0 | |
| Sept. 16, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 257.0 μg/m3 (151) | N/A | 151.0 | |
| Sept. 16, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | 295.0 μg/m3 (170) | N/A | 170.0 | |
| Sept. 16, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | 295.0 μg/m3 (170) | N/A | 170.0 | |
| Sept. 16, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 68.0 ppb (52) | N/A | 252.0 μg/m3 (148) | N/A | 148.0 | |
| Sept. 16, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 72.0 ppb (56) | N/A | 246.0 μg/m3 (146) | N/A | 146.0 | |
| Sept. 15, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 77.0 ppb (60) | N/A | 184.0 μg/m3 (114) | N/A | 114.0 | |
| Sept. 15, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 79.0 ppb (62) | N/A | 210.0 μg/m3 (128) | N/A | 128.0 | |
| Sept. 15, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 77.0 ppb (60) | N/A | 219.0 μg/m3 (132) | N/A | 132.0 | |
| Sept. 15, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 73.0 ppb (57) | N/A | 223.0 μg/m3 (134) | N/A | 134.0 | |
| Sept. 15, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 69.0 ppb (53) | N/A | 224.0 μg/m3 (134) | N/A | 134.0 | |
| Sept. 15, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (47) | N/A | 193.0 μg/m3 (119) | N/A | 119.0 | |
| Sept. 15, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 218.0 μg/m3 (132) | N/A | 132.0 | |
| Sept. 15, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 208.0 μg/m3 (126) | N/A | 126.0 | |
| Sept. 15, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 200.0 μg/m3 (122) | N/A | 122.0 | |
| Sept. 15, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 180.0 μg/m3 (112) | N/A | 112.0 | |
| Sept. 15, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 166.0 μg/m3 (106) | N/A | 106.0 | |
| Sept. 15, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 154.0 μg/m3 (100) | N/A | 100.0 | |
| Sept. 15, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 159.0 μg/m3 (102) | N/A | 102.0 | |
| Sept. 15, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 169.0 μg/m3 (107) | N/A | 107.0 | |
| Sept. 15, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 210.0 μg/m3 (128) | N/A | 128.0 | |
| Sept. 15, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 218.0 μg/m3 (132) | N/A | 132.0 | |
| Sept. 15, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 270.0 μg/m3 (158) | N/A | 158.0 | |
| Sept. 15, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 305.0 μg/m3 (175) | N/A | 175.0 | |
| Sept. 15, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 301.0 μg/m3 (173) | N/A | 173.0 | |
| Sept. 15, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 295.0 μg/m3 (170) | N/A | 170.0 | |
| Sept. 15, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | 327.0 μg/m3 (186) | N/A | 186.0 | |
| Sept. 15, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 ppb (50) | N/A | 290.0 μg/m3 (168) | N/A | 168.0 | |
| Sept. 15, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 77.0 ppb (60) | N/A | 276.0 μg/m3 (160) | N/A | 160.0 | |
| Sept. 15, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 75.0 ppb (58) | N/A | 263.0 μg/m3 (154) | N/A | 154.0 | |
| Sept. 14, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 80.0 ppb (62) | N/A | 210.0 μg/m3 (128) | N/A | 128.0 | |
| Sept. 14, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 80.0 ppb (62) | N/A | 167.0 μg/m3 (106) | N/A | 106.0 | |
| Sept. 14, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 74.0 ppb (57) | N/A | 160.0 μg/m3 (102) | N/A | 102.0 | |
| Sept. 14, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 69.0 ppb (53) | N/A | 162.0 μg/m3 (104) | N/A | 104.0 | |
| Sept. 14, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (47) | N/A | 163.0 μg/m3 (104) | N/A | 104.0 | |
| Sept. 14, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 165.0 μg/m3 (105) | N/A | 105.0 | |
| Sept. 14, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 190.0 μg/m3 (118) | N/A | 118.0 | |
| Sept. 14, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 149.0 μg/m3 (97) | N/A | 97.0 | |
| Sept. 14, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 135.0 μg/m3 (90) | N/A | 90.0 | |
| Sept. 14, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 283.0 μg/m3 (164) | N/A | 164.0 | |
| Sept. 14, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 283.0 μg/m3 (164) | N/A | 164.0 | |
| Sept. 14, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 272.0 μg/m3 (158) | N/A | 158.0 | |
| Sept. 14, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 132.0 μg/m3 (88) | N/A | 88.0 | |
| Sept. 14, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (32) | N/A | 129.0 μg/m3 (87) | N/A | 87.0 | |
| Sept. 14, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 139.0 μg/m3 (92) | N/A | 92.0 | |
| Sept. 14, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 188.0 μg/m3 (116) | N/A | 116.0 | |
| Sept. 14, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 199.0 μg/m3 (122) | N/A | 122.0 | |
| Sept. 14, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 171.0 μg/m3 (108) | N/A | 108.0 | |
| Sept. 14, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 228.0 μg/m3 (136) | N/A | 136.0 | |
| Sept. 14, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | 165.0 μg/m3 (105) | N/A | 105.0 | |
| Sept. 14, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | 216.0 μg/m3 (130) | N/A | 130.0 | |
| Sept. 14, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 ppb (51) | N/A | 190.0 μg/m3 (118) | N/A | 118.0 | |
| Sept. 14, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 72.0 ppb (56) | N/A | 203.0 μg/m3 (124) | N/A | 124.0 | |
| Sept. 14, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 78.0 ppb (61) | N/A | 169.0 μg/m3 (107) | N/A | 107.0 | |
| Sept. 13, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 75.0 ppb (58) | N/A | 144.0 μg/m3 (94) | N/A | 94.0 |