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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 1, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 31.0 μg/m3 (29) | 13.0 μg/m3 (53) | 53.0 | |
| March 1, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 28.0 μg/m3 (26) | 5.0 μg/m3 (21) | 38.0 | |
| March 1, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 41.0 μg/m3 (38) | 6.0 μg/m3 (25) | 38.0 | |
| March 1, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 42.0 μg/m3 (39) | 6.0 μg/m3 (25) | 39.0 | |
| March 1, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 18.0 μg/m3 (17) | 8.0 μg/m3 (34) | 34.0 | |
| March 1, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 38.0 μg/m3 (36) | 7.0 μg/m3 (30) | 36.0 | |
| March 1, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 22.0 μg/m3 (21) | 8.0 μg/m3 (34) | 34.0 | |
| March 1, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 24.0 μg/m3 (23) | 4.0 μg/m3 (17) | 23.0 | |
| March 1, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 5.0 μg/m3 (5) | 3.0 μg/m3 (13) | 30.0 | |
| March 1, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 7.0 μg/m3 (7) | 2.0 μg/m3 (9) | 36.0 | |
| March 1, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 11.0 μg/m3 (11) | 3.0 μg/m3 (13) | 35.0 | |
| March 1, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 8.0 μg/m3 (8) | 4.0 μg/m3 (17) | 31.0 | |
| March 1, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 18.0 μg/m3 (17) | 4.0 μg/m3 (17) | 34.0 | |
| March 1, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 28.0 | |
| March 1, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 16.0 μg/m3 (15) | 7.0 μg/m3 (30) | 30.0 | |
| March 1, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 13.0 μg/m3 (13) | 5.0 μg/m3 (21) | 30.0 | |
| March 1, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 38.0 | |
| March 1, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 9.0 μg/m3 (9) | 3.0 μg/m3 (13) | 42.0 | |
| March 1, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 14.0 μg/m3 (13) | 2.0 μg/m3 (9) | 44.0 | |
| Feb. 28, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 13.0 μg/m3 (13) | 3.0 μg/m3 (13) | 44.0 | |
| Feb. 28, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 25.0 μg/m3 (24) | 4.0 μg/m3 (17) | 44.0 | |
| Feb. 28, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 45.0 μg/m3 (42) | 6.0 μg/m3 (25) | 44.0 | |
| Feb. 28, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 88.0 μg/m3 (68) | 5.0 μg/m3 (21) | 68.0 | |
| Feb. 28, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 46.0 μg/m3 (43) | 5.0 μg/m3 (21) | 43.0 | |
| Feb. 28, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 77.0 μg/m3 (62) | 5.0 μg/m3 (21) | 62.0 | |
| Feb. 28, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 74.0 μg/m3 (61) | 6.0 μg/m3 (25) | 61.0 | |
| Feb. 28, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 149.0 μg/m3 (98) | 12.0 μg/m3 (50) | 98.0 | |
| Feb. 28, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 31.0 μg/m3 (29) | 8.0 μg/m3 (34) | 40.0 | |
| Feb. 28, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 75.0 μg/m3 (61) | 5.0 μg/m3 (21) | 61.0 | |
| Feb. 28, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 27.0 μg/m3 (25) | 2.0 μg/m3 (9) | 39.0 | |
| Feb. 28, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 36.0 μg/m3 (34) | 4.0 μg/m3 (17) | 38.0 | |
| Feb. 28, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 48.0 μg/m3 (45) | 4.0 μg/m3 (17) | 45.0 | |
| Feb. 28, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 27.0 μg/m3 (25) | 4.0 μg/m3 (17) | 40.0 | |
| Feb. 28, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 19.0 μg/m3 (18) | 2.0 μg/m3 (9) | 37.0 | |
| Feb. 28, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 17.0 μg/m3 (16) | 3.0 μg/m3 (13) | 35.0 | |
| Feb. 28, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 25.0 μg/m3 (24) | 8.0 μg/m3 (34) | 35.0 | |
| Feb. 28, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 47.0 μg/m3 (44) | 8.0 μg/m3 (34) | 44.0 | |
| Feb. 28, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 73.0 μg/m3 (60) | 11.0 μg/m3 (46) | 60.0 | |
| Feb. 28, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 55.0 μg/m3 (51) | 15.0 μg/m3 (58) | 58.0 | |
| Feb. 28, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 67.0 μg/m3 (57) | 9.0 μg/m3 (38) | 57.0 | |
| Feb. 28, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 73.0 μg/m3 (60) | 16.0 μg/m3 (60) | 60.0 | |
| Feb. 28, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 55.0 μg/m3 (51) | 11.0 μg/m3 (46) | 51.0 | |
| Feb. 28, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 52.0 μg/m3 (49) | 9.0 μg/m3 (38) | 49.0 | |
| Feb. 27, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 47.0 μg/m3 (44) | 10.0 μg/m3 (42) | 48.0 | |
| Feb. 27, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 36.0 μg/m3 (34) | 8.0 μg/m3 (34) | 48.0 | |
| Feb. 27, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 96.0 μg/m3 (72) | 8.0 μg/m3 (34) | 72.0 | |
| Feb. 27, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 31.0 μg/m3 (29) | 4.0 μg/m3 (17) | 49.0 | |
| Feb. 27, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 24.0 μg/m3 (23) | 7.0 μg/m3 (30) | 50.0 | |
| Feb. 27, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 35.0 μg/m3 (33) | 9.0 μg/m3 (38) | 43.0 | |
| Feb. 27, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 59.0 μg/m3 (53) | 9.0 μg/m3 (38) | 53.0 | |
| Feb. 27, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 58.0 μg/m3 (53) | 11.0 μg/m3 (46) | 53.0 | |
| Feb. 27, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 64.0 μg/m3 (56) | 10.0 μg/m3 (42) | 56.0 | |
| Feb. 27, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 45.0 μg/m3 (42) | 9.0 μg/m3 (38) | 42.0 | |
| Feb. 27, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 75.0 μg/m3 (61) | 14.0 μg/m3 (55) | 61.0 | |
| Feb. 27, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 70.0 μg/m3 (59) | 12.0 μg/m3 (50) | 59.0 | |
| Feb. 27, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 61.0 μg/m3 (54) | 9.0 μg/m3 (38) | 54.0 | |
| Feb. 27, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 31.0 μg/m3 (29) | 6.0 μg/m3 (25) | 29.0 | |
| Feb. 27, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 20.0 μg/m3 (19) | 4.0 μg/m3 (17) | 35.0 | |
| Feb. 27, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 34.0 | |
| Feb. 27, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 27.0 μg/m3 (25) | 5.0 μg/m3 (21) | 25.0 | |
| Feb. 27, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 80.0 μg/m3 (64) | 21.0 μg/m3 (70) | 70.0 | |
| Feb. 27, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 57.0 μg/m3 (52) | 16.0 μg/m3 (60) | 60.0 | |
| Feb. 27, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 42.0 μg/m3 (39) | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 27, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 55.0 μg/m3 (51) | 12.0 μg/m3 (50) | 51.0 | |
| Feb. 27, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 55.0 μg/m3 (51) | 17.0 μg/m3 (62) | 62.0 | |
| Feb. 27, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 39.0 μg/m3 (37) | 5.0 μg/m3 (21) | 37.0 | |
| Feb. 27, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 17.0 μg/m3 (16) | 5.0 μg/m3 (21) | 43.0 | |
| Feb. 26, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 9.0 μg/m3 (9) | 2.0 μg/m3 (9) | 45.0 | |
| Feb. 26, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (11) | 1.0 μg/m3 (5) | 11.0 | |
| Feb. 26, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 13.0 | |
| Feb. 26, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | -1.0 μg/m3 (0) | 13.0 | |
| Feb. 26, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 7.0 μg/m3 (7) | -1.0 μg/m3 (0) | 42.0 | |
| Feb. 26, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 30.0 μg/m3 (28) | 3.0 μg/m3 (13) | 40.0 | |
| Feb. 26, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 30.0 μg/m3 (28) | 5.0 μg/m3 (21) | 38.0 | |
| Feb. 26, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 45.0 μg/m3 (42) | 3.0 μg/m3 (13) | 42.0 | |
| Feb. 26, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 38.0 μg/m3 (36) | 7.0 μg/m3 (30) | 36.0 | |
| Feb. 26, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 48.0 μg/m3 (45) | 9.0 μg/m3 (38) | 45.0 | |
| Feb. 26, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 35.0 μg/m3 (33) | 5.0 μg/m3 (21) | 33.0 | |
| Feb. 26, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 86.0 μg/m3 (67) | 16.0 μg/m3 (60) | 67.0 | |
| Feb. 26, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 45.0 μg/m3 (42) | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 26, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 28.0 μg/m3 (26) | 10.0 μg/m3 (42) | 42.0 | |
| Feb. 26, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 28.0 μg/m3 (26) | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 26, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 18.0 μg/m3 (17) | 7.0 μg/m3 (30) | 30.0 | |
| Feb. 26, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 23.0 μg/m3 (22) | 7.0 μg/m3 (30) | 30.0 | |
| Feb. 26, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 22.0 μg/m3 (21) | 6.0 μg/m3 (25) | 25.0 | |
| Feb. 26, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 17.0 μg/m3 (16) | 6.0 μg/m3 (25) | 29.0 | |
| Feb. 26, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 12.0 μg/m3 (12) | 5.0 μg/m3 (21) | 39.0 | |
| Feb. 26, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 41.0 | |
| Feb. 26, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 20.0 μg/m3 (19) | 5.0 μg/m3 (21) | 39.0 | |
| Feb. 26, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 22.0 μg/m3 (21) | 4.0 μg/m3 (17) | 41.0 | |
| Feb. 26, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 19.0 μg/m3 (18) | 1.0 μg/m3 (5) | 46.0 | |
| Feb. 25, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 47.0 μg/m3 (44) | 1.0 μg/m3 (5) | 47.0 | |
| Feb. 25, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 40.0 μg/m3 (38) | 4.0 μg/m3 (17) | 47.0 | |
| Feb. 25, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 34.0 μg/m3 (32) | 4.0 μg/m3 (17) | 45.0 | |
| Feb. 25, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 27.0 μg/m3 (25) | 3.0 μg/m3 (13) | 45.0 | |
| Feb. 25, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 94.0 μg/m3 (71) | 6.0 μg/m3 (25) | 71.0 | |
| Feb. 25, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 128.0 μg/m3 (88) | 8.0 μg/m3 (34) | 88.0 | |
| Feb. 25, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 255.0 μg/m3 (151) | 22.0 μg/m3 (72) | 151.0 | |
| Feb. 25, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 280.0 μg/m3 (164) | 22.0 μg/m3 (72) | 164.0 | |
| Feb. 25, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 365.0 μg/m3 (216) | 26.0 μg/m3 (81) | 216.0 | |
| Feb. 25, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 141.0 μg/m3 (94) | 12.0 μg/m3 (50) | 94.0 | |
| Feb. 25, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 163.0 μg/m3 (105) | 17.0 μg/m3 (62) | 105.0 | |
| Feb. 25, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 111.0 μg/m3 (79) | 9.0 μg/m3 (38) | 79.0 | |
| Feb. 25, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 189.0 μg/m3 (118) | 11.0 μg/m3 (46) | 118.0 | |
| Feb. 25, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 228.0 μg/m3 (138) | 17.0 μg/m3 (62) | 138.0 | |
| Feb. 25, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 45.0 μg/m3 (42) | 8.0 μg/m3 (34) | 42.0 | |
| Feb. 25, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (21) | 10.0 μg/m3 (42) | 42.0 | |
| Feb. 25, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 10.0 μg/m3 (42) | 42.0 | |
| Feb. 25, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (17) | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 25, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (33) | 19.0 μg/m3 (66) | 66.0 | |
| Feb. 25, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 μg/m3 (55) | 10.0 μg/m3 (42) | 55.0 | |
| Feb. 25, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 25, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 μg/m3 (52) | 11.0 μg/m3 (46) | 52.0 | |
| Feb. 25, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 4.0 μg/m3 (17) | 42.0 | |
| Feb. 25, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 2.0 μg/m3 (9) | 26.0 | |
| Feb. 24, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (26) | 5.0 μg/m3 (21) | 26.0 | |
| Feb. 24, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (28) | 6.0 μg/m3 (25) | 28.0 | |
| Feb. 24, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 5.0 μg/m3 (21) | 23.0 | |
| Feb. 24, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 6.0 μg/m3 (25) | 25.0 | |
| Feb. 24, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (34) | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 24, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (41) | 10.0 μg/m3 (42) | 42.0 | |
| Feb. 24, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (42) | 7.0 μg/m3 (30) | 42.0 | |
| Feb. 24, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 173.0 μg/m3 (110) | 16.0 μg/m3 (60) | 110.0 | |
| Feb. 24, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 123.0 μg/m3 (85) | 17.0 μg/m3 (62) | 85.0 | |
| Feb. 24, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 261.0 μg/m3 (154) | 26.0 μg/m3 (81) | 154.0 | |
| Feb. 24, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 80.0 μg/m3 (64) | 17.0 μg/m3 (62) | 64.0 | |
| Feb. 24, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 56.0 μg/m3 (52) | 15.0 μg/m3 (58) | 58.0 | |
| Feb. 24, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 31.0 μg/m3 (29) | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 24, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 50.0 μg/m3 (47) | 17.0 μg/m3 (62) | 62.0 | |
| Feb. 24, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 48.0 μg/m3 (45) | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 24, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 59.0 μg/m3 (53) | 15.0 μg/m3 (58) | 58.0 | |
| Feb. 24, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 89.0 μg/m3 (68) | 18.0 μg/m3 (64) | 68.0 | |
| Feb. 24, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 75.0 μg/m3 (61) | 15.0 μg/m3 (58) | 61.0 | |
| Feb. 24, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 78.0 μg/m3 (63) | 15.0 μg/m3 (58) | 63.0 | |
| Feb. 24, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 55.0 μg/m3 (51) | 11.0 μg/m3 (46) | 51.0 | |
| Feb. 24, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 50.0 μg/m3 (47) | 14.0 μg/m3 (55) | 55.0 | |
| Feb. 24, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 48.0 μg/m3 (45) | 8.0 μg/m3 (34) | 45.0 | |
| Feb. 24, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 46.0 μg/m3 (43) | 4.0 μg/m3 (17) | 43.0 | |
| Feb. 24, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 38.0 μg/m3 (36) | 3.0 μg/m3 (13) | 42.0 | |
| Feb. 23, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 44.0 | |
| Feb. 23, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 74.0 μg/m3 (61) | 5.0 μg/m3 (21) | 61.0 | |
| Feb. 23, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 14.0 μg/m3 (13) | 1.0 μg/m3 (5) | 41.0 | |
| Feb. 23, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 41.0 | |
| Feb. 23, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 34.0 μg/m3 (32) | 1.0 μg/m3 (5) | 38.0 | |
| Feb. 23, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 35.0 μg/m3 (33) | 4.0 μg/m3 (17) | 34.0 | |
| Feb. 23, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 117.0 μg/m3 (82) | 8.0 μg/m3 (34) | 82.0 | |
| Feb. 23, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 34.0 μg/m3 (32) | 7.0 μg/m3 (30) | 32.0 | |
| Feb. 23, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 95.0 μg/m3 (71) | 11.0 μg/m3 (46) | 71.0 | |
| Feb. 23, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 75.0 μg/m3 (61) | 10.0 μg/m3 (42) | 61.0 | |
| Feb. 23, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 27.0 μg/m3 (25) | 6.0 μg/m3 (25) | 25.0 | |
| Feb. 23, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 18.0 μg/m3 (17) | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 23, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 30.0 μg/m3 (28) | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 23, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 20.0 μg/m3 (19) | 7.0 μg/m3 (30) | 30.0 | |
| Feb. 23, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 48.0 μg/m3 (45) | 17.0 μg/m3 (62) | 62.0 | |
| Feb. 23, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 50.0 μg/m3 (47) | 16.0 μg/m3 (60) | 60.0 | |
| Feb. 23, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 50.0 μg/m3 (47) | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 23, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 44.0 μg/m3 (41) | 6.0 μg/m3 (25) | 41.0 | |
| Feb. 23, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 29.0 μg/m3 (27) | 5.0 μg/m3 (21) | 29.0 | |
| Feb. 23, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 29.0 μg/m3 (27) | 4.0 μg/m3 (17) | 27.0 | |
| Feb. 23, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 22.0 μg/m3 (21) | 7.0 μg/m3 (30) | 30.0 | |
| Feb. 23, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 31.0 μg/m3 (29) | 7.0 μg/m3 (30) | 30.0 | |
| Feb. 23, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 29.0 μg/m3 (27) | 1.0 μg/m3 (5) | 34.0 | |
| Feb. 23, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 8.0 μg/m3 (8) | 2.0 μg/m3 (9) | 41.0 | |
| Feb. 22, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 9.0 μg/m3 (9) | 1.0 μg/m3 (5) | 41.0 | |
| Feb. 22, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 19.0 μg/m3 (18) | -1.0 μg/m3 (0) | 41.0 | |
| Feb. 22, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 27.0 μg/m3 (25) | 2.0 μg/m3 (9) | 40.0 | |
| Feb. 22, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 23.0 μg/m3 (22) | 3.0 μg/m3 (13) | 39.0 | |
| Feb. 22, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 29.0 μg/m3 (27) | 2.0 μg/m3 (9) | 38.0 |