Yuma (Arc Center) AZ, US: 32.690277, -114.614441
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 24, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 53.0 μg/m3 (48) | 7.0 μg/m3 (29) | 48.0 | |
| Sept. 24, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 38.0 μg/m3 (35) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 23, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 35.0 μg/m3 (32) | 6.0 μg/m3 (25) | 35.0 | |
| Sept. 23, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 33.0 μg/m3 (30) | 6.0 μg/m3 (25) | 36.0 | |
| Sept. 23, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 22.0 μg/m3 (20) | 5.0 μg/m3 (21) | 35.0 | |
| Sept. 23, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 29.0 μg/m3 (26) | 8.0 μg/m3 (33) | 40.0 | |
| Sept. 23, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 67.0 μg/m3 (56) | 8.0 μg/m3 (33) | 56.0 | |
| Sept. 23, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 67.0 μg/m3 (56) | 7.0 μg/m3 (29) | 56.0 | |
| Sept. 23, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 111.0 μg/m3 (78) | 16.0 μg/m3 (59) | 78.0 | |
| Sept. 23, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 88.0 μg/m3 (66) | 11.0 μg/m3 (46) | 66.0 | |
| Sept. 23, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 62.0 μg/m3 (54) | 12.0 μg/m3 (50) | 54.0 | |
| Sept. 23, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | N/A | 53.0 μg/m3 (48) | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 23, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 74.0 μg/m3 (60) | 11.0 μg/m3 (46) | 60.0 | |
| Sept. 23, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 35.0 μg/m3 (32) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 23, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 36.0 μg/m3 (33) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 23, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 36.0 μg/m3 (33) | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 23, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 30.0 μg/m3 (27) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 23, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 22.0 μg/m3 (20) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 23, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 38.0 μg/m3 (35) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 23, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 61.0 μg/m3 (53) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 23, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 90.0 μg/m3 (68) | 12.0 μg/m3 (50) | 68.0 | |
| Sept. 23, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 110.0 μg/m3 (78) | 16.0 μg/m3 (59) | 78.0 | |
| Sept. 23, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 92.0 μg/m3 (68) | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 23, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 77.0 μg/m3 (61) | 16.0 μg/m3 (59) | 61.0 | |
| Sept. 23, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 57.0 μg/m3 (51) | 11.0 μg/m3 (46) | 51.0 | |
| Sept. 23, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 48.0 μg/m3 (44) | 9.0 μg/m3 (38) | 44.0 | |
| Sept. 22, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 28.0 μg/m3 (25) | 6.0 μg/m3 (25) | 38.0 | |
| Sept. 22, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 29.0 μg/m3 (26) | 9.0 μg/m3 (38) | 41.0 | |
| Sept. 22, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 23.0 μg/m3 (21) | 8.0 μg/m3 (33) | 42.0 | |
| Sept. 22, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 23.0 μg/m3 (21) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 22, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 30.0 μg/m3 (27) | 8.0 μg/m3 (33) | 38.0 | |
| Sept. 22, 2020, 6 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) | 7.0 μg/m3 (29) | 33.0 | |
| Sept. 22, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 27.0 μg/m3 (25) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 22, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 46.0 μg/m3 (42) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 22, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 62.0 μg/m3 (54) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 22, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (5) | N/A | 116.0 μg/m3 (80) | 22.0 μg/m3 (71) | 80.0 | |
| Sept. 22, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 75.0 μg/m3 (60) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 22, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 92.0 μg/m3 (68) | 14.0 μg/m3 (54) | 68.0 | |
| Sept. 22, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 33.0 μg/m3 (30) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 22, 2020, 10 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) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 22, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 62.0 μg/m3 (54) | 9.0 μg/m3 (38) | 54.0 | |
| Sept. 22, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 20.0 μg/m3 (18) | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 22, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 22.0 μg/m3 (20) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 22, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 27.0 μg/m3 (25) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 22, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 22.0 μg/m3 (20) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 22, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 24.0 μg/m3 (22) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 22, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 39.0 μg/m3 (35) | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 22, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 28.0 μg/m3 (25) | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 22, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 29.0 μg/m3 (26) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 22, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 94.0 μg/m3 (70) | 14.0 μg/m3 (54) | 70.0 | |
| Sept. 21, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 1017.0 μg/m3 (912) | 134.0 μg/m3 (191) | 912.0 | |
| Sept. 21, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 24.0 μg/m3 (22) | 7.0 μg/m3 (29) | 36.0 | |
| Sept. 21, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 25.0 μg/m3 (23) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 21, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 31.0 μg/m3 (28) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 21, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 21, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 21, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 74.0 μg/m3 (60) | 13.0 μg/m3 (52) | 60.0 | |
| Sept. 21, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 85.0 μg/m3 (65) | 17.0 μg/m3 (61) | 65.0 | |
| Sept. 21, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 85.0 μg/m3 (65) | 26.0 μg/m3 (80) | 80.0 | |
| Sept. 21, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 86.0 μg/m3 (66) | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 21, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 50.0 μg/m3 (45) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 21, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | N/A | 183.0 μg/m3 (114) | 28.0 μg/m3 (84) | 114.0 | |
| Sept. 21, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 25.0 μg/m3 (23) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 21, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 31.0 μg/m3 (28) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 21, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 23.0 μg/m3 (21) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 21, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 28.0 μg/m3 (25) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 21, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 22.0 μg/m3 (20) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 21, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 18.0 μg/m3 (16) | 6.0 μg/m3 (25) | 28.0 | |
| Sept. 21, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 19.0 μg/m3 (17) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 21, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 25.0 μg/m3 (23) | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 21, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 55.0 μg/m3 (50) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 21, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 48.0 μg/m3 (44) | 9.0 μg/m3 (38) | 44.0 | |
| Sept. 21, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 28.0 μg/m3 (25) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 21, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 17.0 μg/m3 (15) | 7.0 μg/m3 (29) | 42.0 | |
| Sept. 20, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 22.0 μg/m3 (20) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 20, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 25.0 μg/m3 (23) | 8.0 μg/m3 (33) | 38.0 | |
| Sept. 20, 2020, 9 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) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 20, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 23.0 μg/m3 (21) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 20, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 19.0 μg/m3 (17) | 6.0 μg/m3 (25) | 38.0 | |
| Sept. 20, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 19.0 μg/m3 (17) | 8.0 μg/m3 (33) | 37.0 | |
| Sept. 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 22.0 μg/m3 (20) | 7.0 μg/m3 (29) | 36.0 | |
| Sept. 20, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 23.0 μg/m3 (21) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 28.0 μg/m3 (25) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 51.0 μg/m3 (46) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 35.0 μg/m3 (32) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 33.0 μg/m3 (30) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 31.0 μg/m3 (28) | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 36.0 μg/m3 (33) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 46.0 μg/m3 (42) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 20, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 64.0 μg/m3 (54) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 20, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 78.0 μg/m3 (62) | 17.0 μg/m3 (61) | 62.0 | |
| Sept. 20, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 42.0 μg/m3 (38) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 20, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 44.0 μg/m3 (40) | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 20, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 66.0 μg/m3 (56) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 20, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 53.0 μg/m3 (48) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 20, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 58.0 μg/m3 (52) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 20, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 61.0 μg/m3 (53) | 12.0 μg/m3 (50) | 53.0 | |
| Sept. 20, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | 20.0 μg/m3 (18) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 19, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | 23.0 μg/m3 (21) | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 19, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 19.0 μg/m3 (17) | 9.0 μg/m3 (38) | 42.0 | |
| Sept. 19, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 23.0 μg/m3 (21) | 9.0 μg/m3 (38) | 42.0 | |
| Sept. 19, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 20.0 μg/m3 (18) | 6.0 μg/m3 (25) | 42.0 | |
| Sept. 19, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 24.0 μg/m3 (22) | 7.0 μg/m3 (29) | 40.0 | |
| Sept. 19, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 33.0 μg/m3 (30) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 19, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 34.0 μg/m3 (31) | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 19, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (32) | N/A | 42.0 μg/m3 (38) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 19, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 23.0 μg/m3 (21) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 19, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 25.0 μg/m3 (23) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 19, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 22.0 μg/m3 (20) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 19, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 28.0 μg/m3 (25) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 34.0 μg/m3 (31) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 19, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 44.0 μg/m3 (40) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 19, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 44.0 μg/m3 (40) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 48.0 μg/m3 (44) | 20.0 μg/m3 (67) | 67.0 | |
| 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) | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 75.0 μg/m3 (60) | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 55.0 μg/m3 (50) | 39.0 μg/m3 (109) | 109.0 | |
| Sept. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 61.0 μg/m3 (53) | 91.0 μg/m3 (169) | 169.0 | |
| Sept. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 91.0 μg/m3 (68) | 53.0 μg/m3 (144) | 144.0 | |
| Sept. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 38.0 μg/m3 (35) | 39.0 μg/m3 (109) | 109.0 | |
| Sept. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 40.0 μg/m3 (36) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 27.0 μg/m3 (25) | 27.0 μg/m3 (82) | 82.0 | |
| Sept. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 24.0 μg/m3 (22) | 28.0 μg/m3 (84) | 84.0 | |
| Sept. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 28.0 μg/m3 (25) | 6.0 μg/m3 (25) | 42.0 | |
| Sept. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 28.0 μg/m3 (25) | 9.0 μg/m3 (38) | 42.0 | |
| Sept. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 30.0 μg/m3 (27) | 27.0 μg/m3 (82) | 82.0 | |
| Sept. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | 36.0 μg/m3 (33) | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | N/A | 46.0 μg/m3 (42) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 78.0 μg/m3 (62) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 113.0 μg/m3 (79) | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 18, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 66.0 μg/m3 (56) | 25.0 μg/m3 (78) | 78.0 | |
| Sept. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 57.0 μg/m3 (51) | 55.0 μg/m3 (149) | 149.0 | |
| Sept. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 46.0 μg/m3 (42) | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 33.0 μg/m3 (30) | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 68.0 μg/m3 (56) | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 72.0 μg/m3 (58) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 74.0 μg/m3 (60) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 18, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 91.0 μg/m3 (68) | 24.0 μg/m3 (76) | 76.0 | |
| Sept. 18, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 62.0 μg/m3 (54) | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 18, 2020, 6 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) | 24.0 μg/m3 (76) | 76.0 | |
| Sept. 18, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 95.0 μg/m3 (70) | 24.0 μg/m3 (76) | 76.0 | |
| Sept. 18, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 74.0 μg/m3 (60) | 14.0 μg/m3 (54) | 60.0 | |
| Sept. 18, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 77.0 μg/m3 (61) | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 18, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 75.0 μg/m3 (60) | 14.0 μg/m3 (54) | 60.0 | |
| Sept. 18, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | 35.0 μg/m3 (32) | 8.0 μg/m3 (33) | 39.0 | |
| Sept. 18, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (48) | N/A | 20.0 μg/m3 (18) | 4.0 μg/m3 (17) | 48.0 | |
| Sept. 17, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (48) | N/A | 51.0 μg/m3 (46) | 8.0 μg/m3 (33) | 48.0 | |
| Sept. 17, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (48) | N/A | 28.0 μg/m3 (25) | 9.0 μg/m3 (38) | 48.0 | |
| Sept. 17, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (49) | N/A | 38.0 μg/m3 (35) | 10.0 μg/m3 (42) | 49.0 | |
| Sept. 17, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (49) | N/A | 38.0 μg/m3 (35) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 17, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 ppb (49) | N/A | 62.0 μg/m3 (54) | 28.0 μg/m3 (84) | 84.0 | |
| Sept. 17, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | N/A | 73.0 μg/m3 (59) | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 17, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | 90.0 μg/m3 (68) | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 17, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 213.0 μg/m3 (129) | 29.0 μg/m3 (86) | 129.0 | |
| Sept. 17, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 88.0 μg/m3 (66) | 30.0 μg/m3 (88) | 88.0 | |
| Sept. 17, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | N/A | 106.0 μg/m3 (76) | 74.0 μg/m3 (160) | 160.0 | |
| Sept. 17, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (2) | N/A | 157.0 μg/m3 (101) | 36.0 μg/m3 (101) | 101.0 | |
| Sept. 17, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 113.0 μg/m3 (79) | 33.0 μg/m3 (95) | 95.0 | |
| Sept. 17, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | N/A | 101.0 μg/m3 (73) | 31.0 μg/m3 (90) | 90.0 | |
| Sept. 17, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 51.0 μg/m3 (46) | 27.0 μg/m3 (82) | 82.0 | |
| Sept. 17, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 45.0 μg/m3 (41) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 17, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 52.0 μg/m3 (47) | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 17, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 52.0 μg/m3 (47) | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 17, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 91.0 μg/m3 (68) | 20.0 μg/m3 (67) | 68.0 | |
| Sept. 17, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 73.0 μg/m3 (59) | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 17, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 72.0 μg/m3 (58) | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 17, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 66.0 μg/m3 (56) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 17, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 63.0 μg/m3 (54) | 12.0 μg/m3 (50) | 54.0 |