Healdton (Airport Rd) OK, US: 34.256901, -97.474197
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 21, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 30.0 μg/m3 (27) | 18.8 μg/m3 (64) | 64.0 | |
| Sept. 21, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 29.0 μg/m3 (26) | 18.1 μg/m3 (63) | 63.0 | |
| Sept. 21, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 30.0 μg/m3 (27) | 18.8 μg/m3 (64) | 64.0 | |
| Sept. 21, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 32.0 μg/m3 (29) | 20.1 μg/m3 (67) | 67.0 | |
| Sept. 21, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 34.0 μg/m3 (31) | 22.2 μg/m3 (72) | 72.0 | |
| Sept. 21, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 35.0 μg/m3 (32) | 23.3 μg/m3 (74) | 74.0 | |
| Sept. 21, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 37.0 μg/m3 (34) | 23.9 μg/m3 (75) | 75.0 | |
| Sept. 21, 2020, 11 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) | 24.2 μg/m3 (76) | 76.0 | |
| Sept. 21, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 38.0 μg/m3 (35) | 24.2 μg/m3 (76) | 76.0 | |
| Sept. 21, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 36.0 μg/m3 (33) | 22.9 μg/m3 (73) | 73.0 | |
| Sept. 21, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 35.0 μg/m3 (32) | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 21, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 34.0 μg/m3 (31) | 21.4 μg/m3 (70) | 70.0 | |
| Sept. 21, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 33.0 μg/m3 (30) | 20.9 μg/m3 (69) | 69.0 | |
| Sept. 21, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 32.0 μg/m3 (29) | 20.2 μg/m3 (67) | 67.0 | |
| Sept. 21, 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) | 19.5 μg/m3 (66) | 66.0 | |
| Sept. 21, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 33.0 μg/m3 (30) | 20.2 μg/m3 (67) | 67.0 | |
| Sept. 21, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 35.0 μg/m3 (32) | 19.4 μg/m3 (66) | 66.0 | |
| Sept. 21, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 30.0 μg/m3 (27) | 17.3 μg/m3 (61) | 61.0 | |
| Sept. 21, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 30.0 μg/m3 (27) | 15.4 μg/m3 (57) | 57.0 | |
| Sept. 20, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 25.0 μg/m3 (23) | 14.1 μg/m3 (54) | 54.0 | |
| Sept. 20, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 27.0 μg/m3 (25) | 14.1 μg/m3 (54) | 54.0 | |
| Sept. 20, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 28.0 μg/m3 (25) | 14.8 μg/m3 (56) | 56.0 | |
| Sept. 20, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 29.0 μg/m3 (26) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 20, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 32.0 μg/m3 (29) | 16.4 μg/m3 (59) | 59.0 | |
| Sept. 20, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 38.0 μg/m3 (35) | 20.9 μg/m3 (69) | 69.0 | |
| Sept. 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 42.0 μg/m3 (38) | 22.2 μg/m3 (72) | 72.0 | |
| Sept. 20, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 42.0 μg/m3 (38) | 21.3 μg/m3 (70) | 70.0 | |
| Sept. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 40.0 μg/m3 (36) | 22.2 μg/m3 (72) | 72.0 | |
| Sept. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 44.0 μg/m3 (40) | 22.6 μg/m3 (73) | 73.0 | |
| Sept. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 48.0 μg/m3 (44) | 27.1 μg/m3 (82) | 82.0 | |
| Sept. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 50.0 μg/m3 (45) | 29.3 μg/m3 (87) | 87.0 | |
| Sept. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 57.0 μg/m3 (51) | 32.8 μg/m3 (94) | 94.0 | |
| Sept. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | N/A | 55.0 μg/m3 (50) | 32.1 μg/m3 (93) | 93.0 | |
| Sept. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 52.0 μg/m3 (47) | 31.6 μg/m3 (92) | 92.0 | |
| Sept. 20, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 54.0 μg/m3 (49) | 32.6 μg/m3 (94) | 94.0 | |
| Sept. 20, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 60.0 μg/m3 (52) | 33.8 μg/m3 (96) | 96.0 | |
| Sept. 20, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 58.0 μg/m3 (52) | 34.9 μg/m3 (99) | 99.0 | |
| Sept. 20, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 61.0 μg/m3 (53) | 35.0 μg/m3 (99) | 99.0 | |
| Sept. 20, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 65.0 μg/m3 (55) | 35.5 μg/m3 (100) | 100.0 | |
| Sept. 20, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 58.0 μg/m3 (52) | 31.9 μg/m3 (92) | 92.0 | |
| Sept. 20, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 64.0 μg/m3 (54) | 33.1 μg/m3 (95) | 95.0 | |
| Sept. 20, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 85.0 μg/m3 (65) | 32.3 μg/m3 (93) | 93.0 | |
| Sept. 20, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 73.0 μg/m3 (59) | 30.4 μg/m3 (89) | 89.0 | |
| Sept. 19, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 54.0 μg/m3 (49) | 30.1 μg/m3 (89) | 89.0 | |
| 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) | 31.4 μg/m3 (91) | 91.0 | |
| Sept. 19, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 54.0 μg/m3 (49) | 31.9 μg/m3 (92) | 92.0 | |
| Sept. 19, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | 52.0 μg/m3 (47) | 30.6 μg/m3 (90) | 90.0 | |
| Sept. 19, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 51.0 μg/m3 (46) | 28.0 μg/m3 (84) | 84.0 | |
| Sept. 19, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 44.0 μg/m3 (40) | 23.9 μg/m3 (75) | 75.0 | |
| Sept. 19, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (32) | N/A | 41.0 μg/m3 (37) | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 19, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 39.0 μg/m3 (35) | 21.6 μg/m3 (70) | 70.0 | |
| Sept. 19, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 40.0 μg/m3 (36) | 21.9 μg/m3 (71) | 71.0 | |
| Sept. 19, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 44.0 μg/m3 (40) | 25.7 μg/m3 (79) | 79.0 | |
| Sept. 19, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 55.0 μg/m3 (50) | 33.4 μg/m3 (96) | 96.0 | |
| Sept. 19, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 59.0 μg/m3 (52) | 35.8 μg/m3 (101) | 101.0 | |
| Sept. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 61.0 μg/m3 (53) | 36.3 μg/m3 (102) | 102.0 | |
| Sept. 19, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 61.0 μg/m3 (53) | 35.2 μg/m3 (99) | 99.0 | |
| Sept. 19, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 60.0 μg/m3 (52) | 36.0 μg/m3 (101) | 101.0 | |
| Sept. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 60.0 μg/m3 (52) | 36.6 μg/m3 (103) | 103.0 | |
| Sept. 19, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 62.0 μg/m3 (54) | 37.9 μg/m3 (106) | 106.0 | |
| Sept. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 59.0 μg/m3 (52) | 36.1 μg/m3 (102) | 102.0 | |
| Sept. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 58.0 μg/m3 (52) | 34.0 μg/m3 (97) | 97.0 | |
| Sept. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 60.0 μg/m3 (52) | 33.0 μg/m3 (95) | 95.0 | |
| Sept. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 69.0 μg/m3 (57) | 33.7 μg/m3 (96) | 96.0 | |
| Sept. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 59.0 μg/m3 (52) | 33.0 μg/m3 (95) | 95.0 | |
| Sept. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 68.0 μg/m3 (56) | 32.7 μg/m3 (94) | 94.0 | |
| Sept. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 67.0 μg/m3 (56) | 33.9 μg/m3 (97) | 97.0 | |
| Sept. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 65.0 μg/m3 (55) | 37.9 μg/m3 (106) | 106.0 | |
| Sept. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 70.0 μg/m3 (58) | 42.7 μg/m3 (118) | 118.0 | |
| Sept. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 62.0 μg/m3 (54) | 37.2 μg/m3 (104) | 104.0 | |
| Sept. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 57.0 μg/m3 (51) | 32.1 μg/m3 (93) | 93.0 | |
| Sept. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 54.0 μg/m3 (49) | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 42.0 μg/m3 (38) | 23.6 μg/m3 (75) | 75.0 | |
| Sept. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 44.0 μg/m3 (40) | 22.1 μg/m3 (71) | 71.0 | |
| Sept. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 45.0 μg/m3 (41) | 24.5 μg/m3 (77) | 77.0 | |
| Sept. 18, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 50.0 μg/m3 (45) | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 50.0 μg/m3 (45) | 27.8 μg/m3 (84) | 84.0 | |
| Sept. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 50.0 μg/m3 (45) | 26.7 μg/m3 (81) | 81.0 | |
| Sept. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 51.0 μg/m3 (46) | 26.4 μg/m3 (81) | 81.0 | |
| Sept. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 45.0 μg/m3 (41) | 25.8 μg/m3 (79) | 79.0 | |
| Sept. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 48.0 μg/m3 (44) | 25.6 μg/m3 (79) | 79.0 | |
| Sept. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 47.0 μg/m3 (43) | 25.1 μg/m3 (78) | 78.0 | |
| Sept. 18, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 44.0 μg/m3 (40) | 24.5 μg/m3 (77) | 77.0 | |
| Sept. 18, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 42.0 μg/m3 (38) | 22.4 μg/m3 (72) | 72.0 | |
| Sept. 18, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 40.0 μg/m3 (36) | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 18, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 38.0 μg/m3 (35) | 19.3 μg/m3 (66) | 66.0 | |
| Sept. 18, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 32.0 μg/m3 (29) | 17.5 μg/m3 (62) | 62.0 | |
| Sept. 18, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 32.0 μg/m3 (29) | 15.8 μg/m3 (58) | 58.0 | |
| Sept. 18, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 30.0 μg/m3 (27) | 14.6 μg/m3 (56) | 56.0 | |
| Sept. 18, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 30.0 μg/m3 (27) | 13.8 μg/m3 (54) | 54.0 | |
| Sept. 18, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 28.0 μg/m3 (25) | 13.2 μg/m3 (53) | 53.0 | |
| Sept. 17, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 32.0 μg/m3 (29) | 13.4 μg/m3 (53) | 53.0 | |
| Sept. 17, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 24.0 μg/m3 (22) | 13.3 μg/m3 (53) | 53.0 | |
| Sept. 17, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 23.0 μg/m3 (21) | 12.3 μg/m3 (51) | 51.0 | |
| Sept. 17, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | 27.0 μg/m3 (25) | 12.7 μg/m3 (51) | 51.0 | |
| Sept. 17, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 27.0 μg/m3 (25) | 13.4 μg/m3 (53) | 53.0 | |
| Sept. 17, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 29.0 μg/m3 (26) | 13.7 μg/m3 (54) | 54.0 | |
| Sept. 17, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 29.0 μg/m3 (26) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 17, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 28.0 μg/m3 (25) | 14.5 μg/m3 (55) | 55.0 | |
| Sept. 17, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 30.0 μg/m3 (27) | 14.5 μg/m3 (55) | 55.0 | |
| Sept. 17, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 32.0 μg/m3 (29) | 15.9 μg/m3 (58) | 58.0 | |
| Sept. 17, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 32.0 μg/m3 (29) | 17.3 μg/m3 (61) | 61.0 | |
| Sept. 17, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 34.0 μg/m3 (31) | 19.4 μg/m3 (66) | 66.0 | |
| Sept. 17, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 33.0 μg/m3 (30) | 19.3 μg/m3 (66) | 66.0 | |
| Sept. 17, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 33.0 μg/m3 (30) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 17, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 31.0 μg/m3 (28) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 17, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 29.0 μg/m3 (26) | 16.1 μg/m3 (59) | 59.0 | |
| Sept. 17, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 30.0 μg/m3 (27) | 16.6 μg/m3 (60) | 60.0 | |
| Sept. 17, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 31.0 μg/m3 (28) | 16.2 μg/m3 (59) | 59.0 | |
| Sept. 17, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 32.0 μg/m3 (29) | 15.6 μg/m3 (58) | 58.0 | |
| Sept. 17, 2020, 4 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) | 14.8 μg/m3 (56) | 56.0 | |
| Sept. 17, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 34.0 μg/m3 (31) | 14.9 μg/m3 (56) | 56.0 | |
| Sept. 17, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 26.0 μg/m3 (24) | 13.4 μg/m3 (53) | 53.0 | |
| Sept. 17, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 23.0 μg/m3 (21) | 13.2 μg/m3 (53) | 53.0 | |
| Sept. 17, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 32.0 μg/m3 (29) | 13.2 μg/m3 (53) | 53.0 | |
| Sept. 16, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 28.0 μg/m3 (25) | 13.1 μg/m3 (52) | 52.0 | |
| Sept. 16, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 25.0 μg/m3 (23) | 13.4 μg/m3 (53) | 53.0 | |
| Sept. 16, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (20) | 12.9 μg/m3 (52) | 52.0 | |
| Sept. 16, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (21) | 12.8 μg/m3 (52) | 52.0 | |
| Sept. 16, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (21) | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 16, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 23.0 μg/m3 (21) | 12.9 μg/m3 (52) | 52.0 | |
| Sept. 16, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 22.0 μg/m3 (20) | 13.1 μg/m3 (52) | 52.0 | |
| Sept. 16, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 24.0 μg/m3 (22) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 16, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 26.0 μg/m3 (24) | 14.8 μg/m3 (56) | 56.0 | |
| Sept. 16, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 30.0 μg/m3 (27) | 15.6 μg/m3 (58) | 58.0 | |
| Sept. 16, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 32.0 μg/m3 (29) | 16.8 μg/m3 (60) | 60.0 | |
| Sept. 16, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 33.0 μg/m3 (30) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 16, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 30.0 μg/m3 (27) | 16.6 μg/m3 (60) | 60.0 | |
| Sept. 16, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 29.0 μg/m3 (26) | 16.3 μg/m3 (59) | 59.0 | |
| Sept. 16, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | N/A | 29.0 μg/m3 (26) | 16.2 μg/m3 (59) | 59.0 | |
| Sept. 16, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 16, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | N/A | 30.0 μg/m3 (27) | 16.2 μg/m3 (59) | 59.0 | |
| Sept. 16, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | N/A | 30.0 μg/m3 (27) | 16.3 μg/m3 (59) | 59.0 | |
| Sept. 16, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 30.0 μg/m3 (27) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 16, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | N/A | 39.0 μg/m3 (35) | 17.6 μg/m3 (62) | 62.0 | |
| Sept. 16, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 35.0 μg/m3 (32) | 16.7 μg/m3 (60) | 60.0 | |
| Sept. 16, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 37.0 μg/m3 (34) | 16.1 μg/m3 (59) | 59.0 | |
| Sept. 16, 2020, 1 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) | 15.5 μg/m3 (57) | 57.0 | |
| Sept. 16, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 30.0 μg/m3 (27) | 15.2 μg/m3 (57) | 57.0 | |
| Sept. 15, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 27.0 μg/m3 (25) | 15.3 μg/m3 (57) | 57.0 | |
| Sept. 15, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 28.0 μg/m3 (25) | 15.1 μg/m3 (57) | 57.0 | |
| Sept. 15, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 26.0 μg/m3 (24) | 14.9 μg/m3 (56) | 56.0 | |
| Sept. 15, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 30.0 μg/m3 (27) | 15.8 μg/m3 (58) | 58.0 | |
| Sept. 15, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 30.0 μg/m3 (27) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 15, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 30.0 μg/m3 (27) | 16.1 μg/m3 (59) | 59.0 | |
| Sept. 15, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 32.0 μg/m3 (29) | 15.8 μg/m3 (58) | 58.0 | |
| Sept. 15, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 29.0 μg/m3 (26) | 15.1 μg/m3 (57) | 57.0 | |
| Sept. 15, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 27.0 μg/m3 (25) | 15.1 μg/m3 (57) | 57.0 | |
| Sept. 15, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 29.0 μg/m3 (26) | 16.5 μg/m3 (60) | 60.0 | |
| Sept. 15, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 29.0 μg/m3 (26) | 16.4 μg/m3 (59) | 59.0 | |
| Sept. 15, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 31.0 μg/m3 (28) | 16.9 μg/m3 (60) | 60.0 | |
| Sept. 15, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 31.0 μg/m3 (28) | 16.9 μg/m3 (60) | 60.0 | |
| Sept. 15, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 16.5 μg/m3 (60) | 60.0 | |
| Sept. 15, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 28.0 μg/m3 (25) | 15.9 μg/m3 (58) | 58.0 | |
| Sept. 15, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 28.0 μg/m3 (25) | 16.2 μg/m3 (59) | 59.0 | |
| Sept. 15, 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) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 15, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 26.0 μg/m3 (24) | 15.1 μg/m3 (57) | 57.0 | |
| Sept. 15, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 26.0 μg/m3 (24) | 14.6 μg/m3 (56) | 56.0 | |
| Sept. 15, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 27.0 μg/m3 (25) | 13.8 μg/m3 (54) | 54.0 | |
| Sept. 15, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 24.0 μg/m3 (22) | 12.8 μg/m3 (52) | 52.0 | |
| Sept. 15, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 23.0 μg/m3 (21) | 12.5 μg/m3 (51) | 51.0 | |
| Sept. 15, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 23.0 μg/m3 (21) | 12.2 μg/m3 (50) | 50.0 | |
| Sept. 15, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 22.0 μg/m3 (20) | 11.9 μg/m3 (50) | 50.0 | |
| Sept. 14, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 24.0 μg/m3 (22) | 11.8 μg/m3 (49) | 49.0 | |
| Sept. 14, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 22.0 μg/m3 (20) | 11.8 μg/m3 (49) | 49.0 | |
| Sept. 14, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 27.0 μg/m3 (25) | 12.4 μg/m3 (51) | 51.0 | |
| Sept. 14, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 25.0 μg/m3 (23) | 12.4 μg/m3 (51) | 51.0 | |
| Sept. 14, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 22.0 μg/m3 (20) | 12.5 μg/m3 (51) | 51.0 |