Phoenix (Estrella) AZ, US: 33.4265, -112.1181
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct. 1, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 164.3 μg/m3 (105) | 32.4 μg/m3 (93) | 105.0 | |
| Oct. 1, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 81.6 μg/m3 (63) | 15.9 μg/m3 (58) | 63.0 | |
| Oct. 1, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 27.9 μg/m3 (25) | 4.9 μg/m3 (20) | 25.0 | |
| Oct. 1, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 20.2 μg/m3 (18) | 5.1 μg/m3 (21) | 21.0 | |
| Oct. 1, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 19.4 μg/m3 (18) | 3.7 μg/m3 (15) | 18.0 | |
| Sept. 30, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 24.9 μg/m3 (23) | 5.1 μg/m3 (21) | 23.0 | |
| Sept. 30, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 32.0 μg/m3 (29) | 6.0 μg/m3 (25) | 29.0 | |
| Sept. 30, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 39.2 μg/m3 (36) | 7.1 μg/m3 (30) | 36.0 | |
| Sept. 30, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 36.8 μg/m3 (33) | 7.0 μg/m3 (29) | 33.0 | |
| Sept. 30, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 34.0 μg/m3 (31) | 7.1 μg/m3 (30) | 31.0 | |
| Sept. 30, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 38.8 μg/m3 (35) | 7.2 μg/m3 (30) | 35.0 | |
| Sept. 30, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 46.7 μg/m3 (42) | 7.7 μg/m3 (32) | 42.0 | |
| Sept. 30, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 74.8 μg/m3 (60) | 10.0 μg/m3 (42) | 60.0 | |
| Sept. 30, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 251.0 μg/m3 (148) | 32.1 μg/m3 (93) | 148.0 | |
| Sept. 30, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | 250.3 μg/m3 (148) | 34.6 μg/m3 (98) | 148.0 | |
| Sept. 30, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 172.5 μg/m3 (109) | 26.7 μg/m3 (81) | 109.0 | |
| Sept. 30, 2020, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 162.8 μg/m3 (104) | 29.8 μg/m3 (88) | 104.0 | |
| Sept. 30, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 56.4 μg/m3 (51) | 17.8 μg/m3 (62) | 62.0 | |
| Sept. 30, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 60.4 μg/m3 (53) | 19.9 μg/m3 (67) | 67.0 | |
| Sept. 30, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 91.0 μg/m3 (68) | 24.8 μg/m3 (77) | 77.0 | |
| Sept. 30, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 99.6 μg/m3 (72) | 21.3 μg/m3 (70) | 72.0 | |
| Sept. 30, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 124.6 μg/m3 (85) | 27.7 μg/m3 (83) | 85.0 | |
| Sept. 30, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 114.2 μg/m3 (80) | 27.2 μg/m3 (82) | 82.0 | |
| Sept. 30, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 213.6 μg/m3 (129) | 36.9 μg/m3 (104) | 129.0 | |
| Sept. 30, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 237.5 μg/m3 (141) | 39.7 μg/m3 (110) | 141.0 | |
| Sept. 30, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 90.1 μg/m3 (68) | 18.0 μg/m3 (63) | 68.0 | |
| Sept. 30, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 58.4 μg/m3 (52) | 12.6 μg/m3 (51) | 52.0 | |
| Sept. 30, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 57.7 μg/m3 (51) | 11.8 μg/m3 (49) | 51.0 | |
| Sept. 30, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 44.0 μg/m3 (40) | 8.8 μg/m3 (37) | 40.0 | |
| Sept. 29, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 40.9 μg/m3 (37) | 6.2 μg/m3 (26) | 37.0 | |
| Sept. 29, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 42.2 μg/m3 (38) | 7.0 μg/m3 (29) | 38.0 | |
| Sept. 29, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 48.0 μg/m3 (44) | 7.8 μg/m3 (32) | 44.0 | |
| Sept. 29, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 66.4 μg/m3 (56) | 9.3 μg/m3 (39) | 56.0 | |
| Sept. 29, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | N/A | |
| Sept. 29, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | N/A | N/A | |
| Sept. 29, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 87.5 μg/m3 (66) | 8.9 μg/m3 (37) | 66.0 | |
| Sept. 29, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 90.8 μg/m3 (68) | 8.8 μg/m3 (37) | 68.0 | |
| Sept. 29, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 88.0 μg/m3 (66) | 7.7 μg/m3 (32) | 66.0 | |
| Sept. 29, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 80.3 μg/m3 (63) | 10.1 μg/m3 (42) | 63.0 | |
| Sept. 29, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 90.0 μg/m3 (68) | 9.7 μg/m3 (40) | 68.0 | |
| Sept. 29, 2020, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 75.5 μg/m3 (60) | 9.6 μg/m3 (40) | 60.0 | |
| Sept. 29, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 60.9 μg/m3 (53) | 8.7 μg/m3 (36) | 53.0 | |
| Sept. 29, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 64.3 μg/m3 (55) | 8.9 μg/m3 (37) | 55.0 | |
| Sept. 29, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 73.0 μg/m3 (59) | 9.9 μg/m3 (41) | 59.0 | |
| Sept. 29, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 78.3 μg/m3 (62) | 10.7 μg/m3 (45) | 62.0 | |
| Sept. 29, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 51.9 μg/m3 (47) | 9.1 μg/m3 (38) | 47.0 | |
| Sept. 29, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 48.2 μg/m3 (44) | 11.8 μg/m3 (49) | 49.0 | |
| Sept. 29, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 86.2 μg/m3 (66) | 17.7 μg/m3 (62) | 66.0 | |
| Sept. 29, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 130.0 μg/m3 (88) | 21.8 μg/m3 (71) | 88.0 | |
| Sept. 29, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 38.9 μg/m3 (35) | 8.2 μg/m3 (34) | 35.0 | |
| Sept. 29, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 33.1 μg/m3 (30) | 5.4 μg/m3 (23) | 30.0 | |
| Sept. 29, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 20.3 μg/m3 (18) | 4.8 μg/m3 (20) | 20.0 | |
| Sept. 29, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 16.6 μg/m3 (15) | 5.2 μg/m3 (22) | 22.0 | |
| Sept. 28, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.6 μg/m3 (14) | 3.0 μg/m3 (12) | 14.0 | |
| Sept. 28, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 16.8 μg/m3 (15) | 4.3 μg/m3 (18) | 18.0 | |
| Sept. 28, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 20.5 μg/m3 (19) | 4.2 μg/m3 (18) | 19.0 | |
| Sept. 28, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 28.9 μg/m3 (26) | 6.5 μg/m3 (27) | 27.0 | |
| Sept. 28, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 35.8 μg/m3 (33) | 6.7 μg/m3 (28) | 33.0 | |
| Sept. 28, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 43.5 μg/m3 (40) | 8.3 μg/m3 (35) | 40.0 | |
| Sept. 28, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 39.6 μg/m3 (36) | 7.9 μg/m3 (33) | 36.0 | |
| Sept. 28, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 46.8 μg/m3 (43) | 8.6 μg/m3 (36) | 43.0 | |
| Sept. 28, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 79.2 μg/m3 (62) | 12.9 μg/m3 (52) | 62.0 | |
| Sept. 28, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 138.1 μg/m3 (92) | 20.9 μg/m3 (69) | 92.0 | |
| Sept. 28, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 197.6 μg/m3 (121) | 31.5 μg/m3 (91) | 121.0 | |
| Sept. 28, 2020, noon | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | 91.3 μg/m3 (68) | 18.7 μg/m3 (64) | 68.0 | |
| Sept. 28, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | 57.3 μg/m3 (51) | 15.6 μg/m3 (58) | 58.0 | |
| Sept. 28, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 44.1 μg/m3 (40) | 13.3 μg/m3 (53) | 53.0 | |
| Sept. 28, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 42.7 μg/m3 (39) | 18.3 μg/m3 (63) | 63.0 | |
| Sept. 28, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 39.9 μg/m3 (36) | 14.3 μg/m3 (55) | 55.0 | |
| Sept. 28, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 28.4 μg/m3 (26) | 8.6 μg/m3 (36) | 36.0 | |
| Sept. 28, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 32.8 μg/m3 (30) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 28, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 37.7 μg/m3 (34) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 28, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 30.9 μg/m3 (28) | 5.5 μg/m3 (23) | 28.0 | |
| Sept. 28, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 29.1 μg/m3 (26) | 4.8 μg/m3 (20) | 26.0 | |
| Sept. 28, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.4 μg/m3 (14) | 0.7 μg/m3 (3) | 14.0 | |
| Sept. 28, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.8 μg/m3 (14) | 2.3 μg/m3 (10) | 14.0 | |
| Sept. 28, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.1 μg/m3 (7) | 2.2 μg/m3 (9) | 9.0 | |
| Sept. 27, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 6.8 μg/m3 (6) | 1.9 μg/m3 (8) | 8.0 | |
| Sept. 27, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (6) | 3.0 μg/m3 (12) | 12.0 | |
| Sept. 27, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.1 μg/m3 (7) | 3.1 μg/m3 (13) | 13.0 | |
| Sept. 27, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.3 μg/m3 (11) | 6.3 μg/m3 (26) | 26.0 | |
| Sept. 27, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.5 μg/m3 (12) | 6.2 μg/m3 (26) | 26.0 | |
| Sept. 27, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 13.9 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 27, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 18.3 μg/m3 (17) | 5.5 μg/m3 (23) | 23.0 | |
| Sept. 27, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 26.0 μg/m3 (24) | 6.1 μg/m3 (25) | 25.0 | |
| Sept. 27, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 37.6 μg/m3 (34) | 11.9 μg/m3 (50) | 50.0 | |
| Sept. 27, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 53.3 μg/m3 (48) | 29.4 μg/m3 (87) | 87.0 | |
| Sept. 27, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 39.5 μg/m3 (36) | 18.2 μg/m3 (63) | 63.0 | |
| Sept. 27, 2020, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 30.6 μg/m3 (28) | 9.9 μg/m3 (41) | 41.0 | |
| Sept. 27, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 38.4 μg/m3 (35) | 11.2 μg/m3 (47) | 47.0 | |
| Sept. 27, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 46.8 μg/m3 (43) | 13.1 μg/m3 (52) | 52.0 | |
| Sept. 27, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 69.3 μg/m3 (57) | 14.5 μg/m3 (55) | 57.0 | |
| Sept. 27, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 18.9 μg/m3 (17) | 4.4 μg/m3 (18) | 18.0 | |
| Sept. 27, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 28.3 μg/m3 (26) | 6.6 μg/m3 (28) | 28.0 | |
| Sept. 27, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 35.4 μg/m3 (32) | 7.9 μg/m3 (33) | 33.0 | |
| Sept. 27, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 35.1 μg/m3 (32) | 7.5 μg/m3 (31) | 32.0 | |
| Sept. 27, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 35.8 μg/m3 (33) | 7.8 μg/m3 (32) | 33.0 | |
| Sept. 27, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 19.7 μg/m3 (18) | 5.6 μg/m3 (23) | 23.0 | |
| Sept. 27, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.4 μg/m3 (12) | 3.4 μg/m3 (14) | 14.0 | |
| Sept. 27, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (9) | 1.5 μg/m3 (6) | 9.0 | |
| Sept. 27, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 μg/m3 (10) | 2.6 μg/m3 (11) | 11.0 | |
| Sept. 26, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.1 μg/m3 (12) | 2.7 μg/m3 (11) | 12.0 | |
| Sept. 26, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.5 μg/m3 (11) | 3.8 μg/m3 (16) | 16.0 | |
| Sept. 26, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 14.8 μg/m3 (13) | 5.1 μg/m3 (21) | 21.0 | |
| Sept. 26, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 18.7 μg/m3 (17) | 5.7 μg/m3 (24) | 24.0 | |
| Sept. 26, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 25.6 μg/m3 (23) | 7.5 μg/m3 (31) | 31.0 | |
| Sept. 26, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 22.7 μg/m3 (21) | 5.9 μg/m3 (25) | 25.0 | |
| Sept. 26, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 24.9 μg/m3 (23) | 6.2 μg/m3 (26) | 26.0 | |
| Sept. 26, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 33.9 μg/m3 (31) | 7.7 μg/m3 (32) | 32.0 | |
| Sept. 26, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 42.3 μg/m3 (38) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 26, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | 59.9 μg/m3 (52) | 11.4 μg/m3 (48) | 52.0 | |
| Sept. 26, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 48.4 μg/m3 (44) | 10.2 μg/m3 (42) | 44.0 | |
| Sept. 26, 2020, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 32.8 μg/m3 (30) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 26, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 73.5 μg/m3 (59) | 14.9 μg/m3 (56) | 59.0 | |
| Sept. 26, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.7 μg/m3 (14) | 6.3 μg/m3 (26) | 26.0 | |
| Sept. 26, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.4 μg/m3 (14) | 6.6 μg/m3 (28) | 28.0 | |
| Sept. 26, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.3 μg/m3 (14) | 5.2 μg/m3 (22) | 22.0 | |
| Sept. 26, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 21.5 μg/m3 (20) | 5.2 μg/m3 (22) | 22.0 | |
| Sept. 26, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 40.2 μg/m3 (37) | 8.1 μg/m3 (34) | 37.0 | |
| Sept. 26, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 44.4 μg/m3 (40) | 10.8 μg/m3 (45) | 45.0 | |
| Sept. 26, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 62.6 μg/m3 (54) | 11.0 μg/m3 (46) | 54.0 | |
| Sept. 26, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 59.4 μg/m3 (52) | 12.6 μg/m3 (51) | 52.0 | |
| Sept. 26, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 26.5 μg/m3 (24) | 8.9 μg/m3 (37) | 37.0 | |
| Sept. 26, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 20.0 μg/m3 (18) | 7.3 μg/m3 (30) | 30.0 | |
| Sept. 26, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 18.7 μg/m3 (17) | 4.9 μg/m3 (20) | 20.0 | |
| Sept. 25, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 21.4 μg/m3 (19) | 5.6 μg/m3 (23) | 23.0 | |
| Sept. 25, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 23.9 μg/m3 (22) | 5.9 μg/m3 (25) | 25.0 | |
| Sept. 25, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 34.8 μg/m3 (32) | 8.5 μg/m3 (35) | 35.0 | |
| Sept. 25, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 38.7 μg/m3 (35) | 7.5 μg/m3 (31) | 35.0 | |
| Sept. 25, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 47.9 μg/m3 (44) | 10.2 μg/m3 (42) | 44.0 | |
| Sept. 25, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 42.7 μg/m3 (39) | 7.6 μg/m3 (32) | 39.0 | |
| Sept. 25, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 43.9 μg/m3 (40) | 9.0 μg/m3 (38) | 40.0 | |
| Sept. 25, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 79.7 μg/m3 (62) | 14.3 μg/m3 (55) | 62.0 | |
| Sept. 25, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | 138.6 μg/m3 (92) | 22.3 μg/m3 (72) | 92.0 | |
| Sept. 25, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | 146.0 μg/m3 (96) | 25.1 μg/m3 (78) | 96.0 | |
| Sept. 25, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | 101.6 μg/m3 (73) | 16.5 μg/m3 (60) | 73.0 | |
| Sept. 25, 2020, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 62.5 μg/m3 (54) | 13.3 μg/m3 (53) | 54.0 | |
| Sept. 25, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 49.7 μg/m3 (45) | 13.7 μg/m3 (54) | 54.0 | |
| Sept. 25, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 34.7 μg/m3 (32) | 12.2 μg/m3 (50) | 50.0 | |
| Sept. 25, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 33.1 μg/m3 (30) | 11.6 μg/m3 (48) | 48.0 | |
| Sept. 25, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 38.0 μg/m3 (35) | 10.1 μg/m3 (42) | 42.0 | |
| Sept. 25, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 31.7 μg/m3 (29) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 25, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 27.1 μg/m3 (25) | 8.3 μg/m3 (35) | 35.0 | |
| Sept. 25, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 33.1 μg/m3 (30) | 6.7 μg/m3 (28) | 30.0 | |
| Sept. 25, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 33.1 μg/m3 (30) | 6.5 μg/m3 (27) | 30.0 | |
| Sept. 25, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 19.2 μg/m3 (17) | 4.9 μg/m3 (20) | 20.0 | |
| Sept. 25, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 23.6 μg/m3 (21) | 6.4 μg/m3 (27) | 27.0 | |
| Sept. 25, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 21.5 μg/m3 (20) | 5.5 μg/m3 (23) | 23.0 | |
| Sept. 25, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 25.5 μg/m3 (23) | 7.3 μg/m3 (30) | 30.0 | |
| Sept. 24, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 24.7 μg/m3 (22) | 6.3 μg/m3 (26) | 26.0 | |
| Sept. 24, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.5 μg/m3 (23) | 6.9 μg/m3 (29) | 29.0 | |
| Sept. 24, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.7 μg/m3 (29) | 7.8 μg/m3 (32) | 32.0 | |
| Sept. 24, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.7 μg/m3 (36) | 9.3 μg/m3 (39) | 39.0 | |
| Sept. 24, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.5 μg/m3 (35) | 8.9 μg/m3 (37) | 37.0 | |
| Sept. 24, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (34) | 7.7 μg/m3 (32) | 34.0 | |
| Sept. 24, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.6 μg/m3 (41) | 9.0 μg/m3 (38) | 41.0 | |
| Sept. 24, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 52.0 μg/m3 (47) | 10.3 μg/m3 (43) | 47.0 | |
| Sept. 24, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 73.8 μg/m3 (59) | 14.5 μg/m3 (55) | 59.0 | |
| Sept. 24, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | N/A | 129.2 μg/m3 (87) | 18.0 μg/m3 (63) | 87.0 | |
| Sept. 24, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 96.1 μg/m3 (71) | 11.6 μg/m3 (48) | 71.0 | |
| Sept. 24, 2020, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 33.4 μg/m3 (30) | 6.9 μg/m3 (29) | 30.0 | |
| Sept. 24, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 29.9 μg/m3 (27) | 10.1 μg/m3 (42) | 42.0 | |
| Sept. 24, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 29.0 μg/m3 (26) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 24, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 28.0 μg/m3 (25) | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 24, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 26.0 μg/m3 (24) | 5.2 μg/m3 (22) | 24.0 | |
| Sept. 24, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 21.0 μg/m3 (19) | 6.6 μg/m3 (28) | 28.0 | |
| Sept. 24, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 23.0 μg/m3 (21) | 6.6 μg/m3 (28) | 28.0 | |
| Sept. 24, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 36.0 μg/m3 (33) | 6.8 μg/m3 (28) | 33.0 |