Phoenix (S Mtain) AZ, US: 33.4033, -112.0731
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct. 29, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | 0.0 ppb (0) | 20.8 μg/m3 (20) | 4.3 μg/m3 (18) | 50.0 | |
| Oct. 29, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | 0.0 ppb (0) | 16.3 μg/m3 (16) | 1.9 μg/m3 (8) | 47.0 | |
| Oct. 29, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | 0.1 ppb (2) | 22.4 μg/m3 (21) | 5.5 μg/m3 (23) | 44.0 | |
| Oct. 29, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | 0.1 ppb (2) | N/A | N/A | 37.0 | |
| Oct. 29, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.2 ppb (3) | N/A | N/A | 31.0 | |
| Oct. 29, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | 0.2 ppb (3) | N/A | N/A | 26.0 | |
| Oct. 29, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | 0.5 ppb (6) | 90.5 μg/m3 (69) | 16.3 μg/m3 (60) | 69.0 | |
| Oct. 29, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 105.5 μg/m3 (76) | 21.8 μg/m3 (72) | 76.0 | |
| Oct. 29, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.9 ppb (11) | 96.1 μg/m3 (72) | 17.2 μg/m3 (62) | 72.0 | |
| Oct. 29, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.5 ppb (6) | 49.2 μg/m3 (46) | 11.7 μg/m3 (49) | 49.0 | |
| Oct. 29, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | 0.3 ppb (4) | 30.1 μg/m3 (28) | 9.9 μg/m3 (42) | 42.0 | |
| Oct. 29, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | 0.2 ppb (3) | 29.4 μg/m3 (28) | 10.9 μg/m3 (46) | 46.0 | |
| Oct. 29, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | 0.2 ppb (3) | 31.3 μg/m3 (29) | 11.4 μg/m3 (48) | 48.0 | |
| Oct. 29, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | 0.3 ppb (4) | 49.5 μg/m3 (46) | 16.5 μg/m3 (61) | 61.0 | |
| Oct. 29, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.5 ppb (6) | 61.5 μg/m3 (55) | 18.9 μg/m3 (66) | 66.0 | |
| Oct. 29, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.6 ppb (7) | 66.0 μg/m3 (57) | 20.3 μg/m3 (69) | 69.0 | |
| Oct. 29, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.6 ppb (7) | 82.8 μg/m3 (65) | 22.3 μg/m3 (73) | 73.0 | |
| Oct. 29, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.7 ppb (8) | 76.9 μg/m3 (62) | 21.0 μg/m3 (70) | 70.0 | |
| Oct. 29, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.7 ppb (8) | 84.1 μg/m3 (66) | 20.9 μg/m3 (70) | 70.0 | |
| Oct. 29, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.7 ppb (8) | 86.6 μg/m3 (67) | 23.1 μg/m3 (75) | 75.0 | |
| Oct. 29, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | 0.4 ppb (5) | 56.6 μg/m3 (52) | 10.3 μg/m3 (43) | 52.0 | |
| Oct. 29, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | 0.1 ppb (2) | 34.6 μg/m3 (33) | 7.1 μg/m3 (30) | 38.0 | |
| Oct. 28, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | 0.1 ppb (2) | 28.3 μg/m3 (27) | 5.0 μg/m3 (21) | 42.0 | |
| Oct. 28, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | 0.0 ppb (0) | 25.0 μg/m3 (24) | 6.8 μg/m3 (29) | 42.0 | |
| Oct. 28, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | 0.0 ppb (0) | 18.9 μg/m3 (18) | 4.4 μg/m3 (19) | 43.0 | |
| Oct. 28, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | 0.0 ppb (0) | 17.4 μg/m3 (17) | 4.6 μg/m3 (20) | 38.0 | |
| Oct. 28, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | 0.1 ppb (2) | 12.8 μg/m3 (12) | 3.7 μg/m3 (16) | 34.0 | |
| Oct. 28, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.1 ppb (2) | 15.3 μg/m3 (15) | 4.2 μg/m3 (18) | 31.0 | |
| Oct. 28, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | 0.1 ppb (2) | 21.8 μg/m3 (21) | 7.1 μg/m3 (30) | 30.0 | |
| Oct. 28, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | 0.2 ppb (3) | 48.3 μg/m3 (45) | 10.9 μg/m3 (46) | 46.0 | |
| Oct. 28, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | 0.5 ppb (6) | 85.2 μg/m3 (66) | 15.0 μg/m3 (58) | 66.0 | |
| Oct. 28, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.6 ppb (7) | 79.4 μg/m3 (64) | 17.2 μg/m3 (62) | 64.0 | |
| Oct. 28, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.6 ppb (7) | 47.5 μg/m3 (44) | 10.9 μg/m3 (46) | 46.0 | |
| Oct. 28, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.4 ppb (5) | 31.7 μg/m3 (30) | 8.5 μg/m3 (36) | 36.0 | |
| Oct. 28, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | 0.3 ppb (4) | 23.8 μg/m3 (23) | 9.2 μg/m3 (39) | 39.0 | |
| Oct. 28, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | 0.1 ppb (2) | 22.6 μg/m3 (21) | 8.7 μg/m3 (37) | 37.0 | |
| Oct. 28, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | 0.1 ppb (2) | 26.6 μg/m3 (25) | 6.5 μg/m3 (28) | 28.0 | |
| Oct. 28, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | 0.1 ppb (2) | 25.0 μg/m3 (24) | 7.5 μg/m3 (32) | 32.0 | |
| Oct. 28, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | 0.1 ppb (2) | 16.3 μg/m3 (16) | 5.2 μg/m3 (22) | 22.0 | |
| Oct. 28, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | 0.0 ppb (0) | 11.5 μg/m3 (11) | 6.1 μg/m3 (26) | 26.0 | |
| Oct. 28, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | 0.0 ppb (0) | 13.9 μg/m3 (13) | 4.1 μg/m3 (18) | 26.0 | |
| Oct. 28, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | 0.0 ppb (0) | 33.3 μg/m3 (31) | 3.9 μg/m3 (17) | 31.0 | |
| Oct. 28, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | 0.0 ppb (0) | 38.8 μg/m3 (36) | 6.6 μg/m3 (28) | 36.0 | |
| Oct. 28, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | 0.3 ppb (4) | 27.2 μg/m3 (26) | 5.9 μg/m3 (25) | 28.0 | |
| Oct. 28, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.1 ppb (2) | 29.1 μg/m3 (27) | 5.3 μg/m3 (23) | 31.0 | |
| Oct. 28, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | 0.1 ppb (2) | 22.4 μg/m3 (21) | 4.8 μg/m3 (20) | 38.0 | |
| Oct. 27, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | 0.0 ppb (0) | 19.7 μg/m3 (19) | 5.1 μg/m3 (22) | 41.0 | |
| Oct. 27, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | 0.0 ppb (0) | 17.3 μg/m3 (17) | 5.0 μg/m3 (21) | 40.0 | |
| Oct. 27, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | 0.0 ppb (0) | 12.8 μg/m3 (12) | 3.4 μg/m3 (15) | 39.0 | |
| Oct. 27, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | 0.0 ppb (0) | 12.2 μg/m3 (12) | 5.0 μg/m3 (21) | 38.0 | |
| Oct. 27, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | 0.0 ppb (0) | 11.5 μg/m3 (11) | 3.7 μg/m3 (16) | 36.0 | |
| Oct. 27, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | 0.0 ppb (0) | 16.5 μg/m3 (16) | 5.9 μg/m3 (25) | 34.0 | |
| Oct. 27, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | 0.1 ppb (2) | 17.2 μg/m3 (16) | 6.5 μg/m3 (28) | 32.0 | |
| Oct. 27, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | 0.1 ppb (2) | 23.0 μg/m3 (22) | 6.2 μg/m3 (26) | 30.0 | |
| Oct. 27, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | 0.1 ppb (2) | 34.1 μg/m3 (32) | 5.5 μg/m3 (23) | 32.0 | |
| Oct. 27, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | 0.1 ppb (2) | 41.6 μg/m3 (39) | 7.9 μg/m3 (33) | 39.0 | |
| Oct. 27, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | 0.2 ppb (3) | 35.7 μg/m3 (34) | 8.8 μg/m3 (37) | 37.0 | |
| Oct. 27, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | 0.2 ppb (3) | 25.8 μg/m3 (24) | 6.4 μg/m3 (27) | 27.0 | |
| Oct. 27, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | 0.1 ppb (2) | 14.4 μg/m3 (14) | 5.4 μg/m3 (23) | 23.0 | |
| Oct. 27, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | 0.0 ppb (0) | 17.6 μg/m3 (17) | 5.9 μg/m3 (25) | 29.0 | |
| Oct. 27, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.0 ppb (0) | 20.2 μg/m3 (19) | 6.4 μg/m3 (27) | 31.0 | |
| Oct. 27, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.0 ppb (0) | 18.5 μg/m3 (18) | 6.3 μg/m3 (27) | 31.0 | |
| Oct. 27, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | 0.0 ppb (0) | 16.7 μg/m3 (16) | 3.0 μg/m3 (13) | 30.0 | |
| Oct. 27, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | 0.0 ppb (0) | 23.2 μg/m3 (22) | 4.1 μg/m3 (18) | 35.0 | |
| Oct. 27, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | 0.0 ppb (0) | 29.7 μg/m3 (28) | 5.5 μg/m3 (23) | 36.0 | |
| Oct. 27, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | 0.0 ppb (0) | 40.9 μg/m3 (38) | 5.7 μg/m3 (24) | 38.0 | |
| Oct. 27, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | 0.0 ppb (0) | 92.1 μg/m3 (70) | 8.9 μg/m3 (38) | 70.0 | |
| Oct. 27, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.0 ppb (0) | 68.7 μg/m3 (58) | 8.7 μg/m3 (37) | 58.0 | |
| Oct. 27, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.0 ppb (0) | 64.3 μg/m3 (56) | 7.8 μg/m3 (33) | 56.0 | |
| Oct. 27, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | 0.0 ppb (0) | 42.0 μg/m3 (39) | 4.8 μg/m3 (20) | 39.0 | |
| Oct. 26, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | 0.0 ppb (0) | 45.9 μg/m3 (43) | 6.6 μg/m3 (28) | 43.0 | |
| Oct. 26, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | 0.0 ppb (0) | 51.9 μg/m3 (49) | 6.6 μg/m3 (28) | 49.0 | |
| Oct. 26, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | 0.0 ppb (0) | 79.2 μg/m3 (63) | 7.1 μg/m3 (30) | 63.0 | |
| Oct. 26, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | 0.0 ppb (0) | 180.5 μg/m3 (114) | 13.3 μg/m3 (54) | 114.0 | |
| Oct. 26, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | 0.0 ppb (0) | 293.7 μg/m3 (171) | 19.2 μg/m3 (66) | 171.0 | |
| Oct. 26, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | 0.0 ppb (0) | 409.8 μg/m3 (280) | 22.0 μg/m3 (72) | 280.0 | |
| Oct. 26, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | 0.0 ppb (0) | N/A | N/A | 34.0 | |
| Oct. 26, 2020, 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 | |
| Oct. 26, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | 0.0 ppb (0) | 146.3 μg/m3 (97) | 9.7 μg/m3 (41) | 97.0 | |
| Oct. 26, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | 0.0 ppb (0) | 89.7 μg/m3 (69) | 8.7 μg/m3 (37) | 69.0 | |
| Oct. 26, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | 0.0 ppb (0) | 85.6 μg/m3 (67) | 7.9 μg/m3 (33) | 67.0 | |
| Oct. 26, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | 0.0 ppb (0) | 60.0 μg/m3 (54) | 5.8 μg/m3 (25) | 54.0 | |
| Oct. 26, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | 0.0 ppb (0) | 44.7 μg/m3 (42) | 6.4 μg/m3 (27) | 42.0 | |
| Oct. 26, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | 0.0 ppb (0) | 39.2 μg/m3 (37) | 8.0 μg/m3 (34) | 37.0 | |
| Oct. 26, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | 0.0 ppb (0) | 38.0 μg/m3 (36) | 6.0 μg/m3 (25) | 36.0 | |
| Oct. 26, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.0 ppb (0) | 60.6 μg/m3 (54) | 6.2 μg/m3 (26) | 54.0 | |
| Oct. 26, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | 0.0 ppb (0) | 95.8 μg/m3 (72) | 9.5 μg/m3 (40) | 72.0 | |
| Oct. 26, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | 0.0 ppb (0) | 113.0 μg/m3 (80) | 14.3 μg/m3 (56) | 80.0 | |
| Oct. 26, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | 0.1 ppb (2) | 110.3 μg/m3 (79) | 14.8 μg/m3 (57) | 79.0 | |
| Oct. 26, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | 0.0 ppb (0) | 90.7 μg/m3 (69) | 12.1 μg/m3 (51) | 69.0 | |
| Oct. 26, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | 0.0 ppb (0) | 128.7 μg/m3 (88) | 10.1 μg/m3 (43) | 88.0 | |
| Oct. 26, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | 0.0 ppb (0) | 158.4 μg/m3 (103) | 9.6 μg/m3 (40) | 103.0 | |
| Oct. 26, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | 0.1 ppb (2) | 50.3 μg/m3 (47) | 7.3 μg/m3 (31) | 47.0 | |
| Oct. 26, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | 0.0 ppb (0) | 73.6 μg/m3 (61) | 5.8 μg/m3 (25) | 61.0 | |
| Oct. 25, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | 0.0 ppb (0) | 42.0 μg/m3 (39) | 4.8 μg/m3 (20) | 39.0 | |
| Oct. 25, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.0 ppb (0) | 33.3 μg/m3 (31) | 4.8 μg/m3 (20) | 31.0 | |
| Oct. 25, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.0 ppb (0) | 31.7 μg/m3 (30) | 5.9 μg/m3 (25) | 31.0 | |
| Oct. 25, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | 0.0 ppb (0) | 18.7 μg/m3 (18) | 5.5 μg/m3 (23) | 32.0 | |
| Oct. 25, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | 0.1 ppb (2) | 22.8 μg/m3 (22) | 5.4 μg/m3 (23) | 34.0 | |
| Oct. 25, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | 0.1 ppb (2) | 24.7 μg/m3 (23) | 6.8 μg/m3 (29) | 35.0 | |
| Oct. 25, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | 0.2 ppb (3) | 43.4 μg/m3 (41) | 9.2 μg/m3 (39) | 41.0 | |
| Oct. 25, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | 0.3 ppb (4) | 59.6 μg/m3 (54) | 12.9 μg/m3 (53) | 54.0 | |
| Oct. 25, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | 0.4 ppb (5) | 78.6 μg/m3 (63) | 17.0 μg/m3 (62) | 63.0 | |
| Oct. 25, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | 0.3 ppb (4) | 56.8 μg/m3 (52) | 15.2 μg/m3 (58) | 58.0 | |
| Oct. 25, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.5 ppb (6) | 50.2 μg/m3 (47) | 14.5 μg/m3 (57) | 57.0 | |
| Oct. 25, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 0.6 ppb (7) | 56.2 μg/m3 (52) | 17.3 μg/m3 (62) | 62.0 | |
| Oct. 25, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 0.7 ppb (8) | 53.3 μg/m3 (50) | 12.3 μg/m3 (52) | 52.0 | |
| Oct. 25, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 0.6 ppb (7) | 51.2 μg/m3 (48) | 16.0 μg/m3 (60) | 60.0 | |
| Oct. 25, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 0.7 ppb (8) | 56.8 μg/m3 (52) | 17.9 μg/m3 (64) | 64.0 | |
| Oct. 25, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 0.7 ppb (8) | 49.4 μg/m3 (46) | 17.5 μg/m3 (63) | 63.0 | |
| Oct. 25, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.8 ppb (10) | 65.7 μg/m3 (57) | 17.6 μg/m3 (63) | 63.0 | |
| Oct. 25, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 1.0 ppb (12) | 71.7 μg/m3 (60) | 17.8 μg/m3 (63) | 63.0 | |
| Oct. 25, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.7 ppb (8) | 91.0 μg/m3 (69) | 23.1 μg/m3 (75) | 75.0 | |
| Oct. 25, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 1.1 ppb (13) | 114.8 μg/m3 (81) | 23.1 μg/m3 (75) | 81.0 | |
| Oct. 25, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.9 ppb (11) | 86.6 μg/m3 (67) | 16.0 μg/m3 (60) | 67.0 | |
| Oct. 25, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 1.0 ppb (12) | 108.0 μg/m3 (78) | 17.0 μg/m3 (62) | 78.0 | |
| Oct. 25, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | 0.7 ppb (8) | 97.2 μg/m3 (72) | 13.7 μg/m3 (55) | 72.0 | |
| Oct. 25, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | 0.2 ppb (3) | 37.3 μg/m3 (35) | 4.5 μg/m3 (19) | 35.0 | |
| Oct. 24, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | 0.1 ppb (2) | 57.4 μg/m3 (53) | 6.6 μg/m3 (28) | 53.0 | |
| Oct. 24, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | 0.1 ppb (2) | 28.1 μg/m3 (27) | 5.8 μg/m3 (25) | 38.0 | |
| Oct. 24, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | 0.1 ppb (2) | 35.3 μg/m3 (33) | 8.0 μg/m3 (34) | 38.0 | |
| Oct. 24, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | 0.1 ppb (2) | 40.1 μg/m3 (38) | 9.6 μg/m3 (40) | 40.0 | |
| Oct. 24, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | 0.1 ppb (2) | 39.5 μg/m3 (37) | 6.2 μg/m3 (26) | 37.0 | |
| Oct. 24, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | 0.2 ppb (3) | 46.4 μg/m3 (43) | 7.9 μg/m3 (33) | 43.0 | |
| Oct. 24, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | 0.2 ppb (3) | 32.7 μg/m3 (31) | 6.4 μg/m3 (27) | 31.0 | |
| Oct. 24, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | 0.1 ppb (2) | 45.1 μg/m3 (42) | 9.5 μg/m3 (40) | 42.0 | |
| Oct. 24, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | 0.2 ppb (3) | 62.8 μg/m3 (55) | 11.9 μg/m3 (50) | 55.0 | |
| Oct. 24, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | 0.3 ppb (4) | 54.7 μg/m3 (51) | 12.0 μg/m3 (50) | 51.0 | |
| Oct. 24, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | 0.2 ppb (3) | 40.1 μg/m3 (38) | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 24, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | 0.3 ppb (4) | 35.2 μg/m3 (33) | 9.7 μg/m3 (41) | 41.0 | |
| Oct. 24, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.3 ppb (4) | 33.4 μg/m3 (31) | 9.6 μg/m3 (40) | 40.0 | |
| Oct. 24, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.3 ppb (4) | 34.2 μg/m3 (32) | 9.5 μg/m3 (40) | 40.0 | |
| Oct. 24, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | 0.3 ppb (4) | 44.9 μg/m3 (42) | 11.4 μg/m3 (48) | 48.0 | |
| Oct. 24, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.4 ppb (5) | 56.9 μg/m3 (52) | 12.5 μg/m3 (52) | 52.0 | |
| Oct. 24, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | 0.4 ppb (5) | 56.2 μg/m3 (52) | 10.4 μg/m3 (44) | 52.0 | |
| Oct. 24, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | 0.3 ppb (4) | 51.3 μg/m3 (48) | 10.2 μg/m3 (43) | 48.0 | |
| Oct. 24, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | 0.4 ppb (5) | 55.8 μg/m3 (52) | 13.5 μg/m3 (54) | 54.0 | |
| Oct. 24, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | 0.4 ppb (5) | 55.9 μg/m3 (52) | 12.7 μg/m3 (53) | 53.0 | |
| Oct. 24, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | 0.4 ppb (5) | 66.8 μg/m3 (57) | 10.6 μg/m3 (45) | 57.0 | |
| Oct. 24, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | 0.3 ppb (4) | 70.2 μg/m3 (59) | 10.2 μg/m3 (43) | 59.0 | |
| Oct. 24, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | 0.2 ppb (3) | 73.2 μg/m3 (61) | 10.9 μg/m3 (46) | 61.0 | |
| Oct. 24, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | 0.1 ppb (2) | 32.8 μg/m3 (31) | 5.7 μg/m3 (24) | 36.0 | |
| Oct. 23, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | 0.0 ppb (0) | 13.8 μg/m3 (13) | 2.2 μg/m3 (10) | 36.0 | |
| Oct. 23, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | 0.0 ppb (0) | 67.3 μg/m3 (58) | 7.7 μg/m3 (33) | 58.0 | |
| Oct. 23, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | 0.1 ppb (2) | 68.1 μg/m3 (58) | 9.8 μg/m3 (41) | 58.0 | |
| Oct. 23, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | 0.0 ppb (0) | 25.6 μg/m3 (24) | 8.6 μg/m3 (36) | 36.0 | |
| Oct. 23, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | 0.1 ppb (2) | 25.3 μg/m3 (24) | 7.8 μg/m3 (33) | 36.0 | |
| Oct. 23, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | 0.1 ppb (2) | 26.0 μg/m3 (25) | 5.9 μg/m3 (25) | 32.0 | |
| Oct. 23, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | 0.1 ppb (2) | 37.0 μg/m3 (35) | 9.3 μg/m3 (39) | 39.0 | |
| Oct. 23, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | 0.2 ppb (3) | 47.4 μg/m3 (44) | 11.0 μg/m3 (46) | 46.0 | |
| Oct. 23, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | 0.2 ppb (3) | 49.5 μg/m3 (46) | 9.8 μg/m3 (41) | 46.0 | |
| Oct. 23, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | 0.2 ppb (3) | 44.0 μg/m3 (41) | 7.5 μg/m3 (32) | 41.0 | |
| Oct. 23, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.2 ppb (3) | 47.7 μg/m3 (45) | 10.7 μg/m3 (45) | 45.0 | |
| Oct. 23, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | 0.3 ppb (4) | 37.9 μg/m3 (36) | 10.4 μg/m3 (44) | 44.0 | |
| Oct. 23, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | 0.2 ppb (3) | 34.5 μg/m3 (32) | 10.8 μg/m3 (46) | 46.0 | |
| Oct. 23, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | 0.3 ppb (4) | 35.5 μg/m3 (33) | 11.9 μg/m3 (50) | 50.0 | |
| Oct. 23, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | 0.3 ppb (4) | 42.2 μg/m3 (40) | 12.2 μg/m3 (52) | 52.0 | |
| Oct. 23, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | 0.4 ppb (5) | 52.7 μg/m3 (49) | 12.7 μg/m3 (53) | 53.0 | |
| Oct. 23, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.6 ppb (7) | 72.5 μg/m3 (60) | 18.5 μg/m3 (65) | 65.0 | |
| Oct. 23, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 0.8 ppb (10) | 93.5 μg/m3 (71) | 21.3 μg/m3 (71) | 71.0 | |
| Oct. 23, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 1.0 ppb (12) | 103.2 μg/m3 (75) | 20.1 μg/m3 (68) | 75.0 | |
| Oct. 23, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 1.1 ppb (13) | 109.4 μg/m3 (78) | 22.1 μg/m3 (73) | 78.0 | |
| Oct. 23, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 1.2 ppb (14) | 120.2 μg/m3 (84) | 23.7 μg/m3 (76) | 84.0 | |
| Oct. 23, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 1.2 ppb (14) | 86.2 μg/m3 (67) | 19.7 μg/m3 (67) | 67.0 | |
| Oct. 23, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | 0.5 ppb (6) | 47.3 μg/m3 (44) | 8.1 μg/m3 (34) | 44.0 | |
| Oct. 23, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | 0.2 ppb (3) | 31.8 μg/m3 (30) | 8.3 μg/m3 (35) | 38.0 | |
| Oct. 22, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | 0.1 ppb (2) | 29.9 μg/m3 (28) | 6.8 μg/m3 (29) | 45.0 | |
| Oct. 22, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | 0.1 ppb (2) | 25.9 μg/m3 (24) | 5.1 μg/m3 (22) | 46.0 |