Bakersfield (Park Stockdale) CA, US: 35.356615, -119.062613
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 24, 2021, 10 p.m. | 1.8 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| Feb. 24, 2021, 9 p.m. | 2.5 ppb (3) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Feb. 24, 2021, 8 p.m. | 3.1 ppb (3) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 8.0 μg/m3 (34) | 35.0 | |
| Feb. 24, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 24, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 24, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
| Feb. 24, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
| Feb. 24, 2021, 3 p.m. | 88.6 ppb (88) | 56.7 ppb (54) | N/A | 32.0 ppb (31) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 27.0 μg/m3 (83) | 88.0 | |
| Feb. 24, 2021, 2 p.m. | 74.1 ppb (73) | 46.2 ppb (44) | N/A | 28.0 ppb (27) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 24.0 μg/m3 (77) | 77.0 | |
| Feb. 24, 2021, 1 p.m. | 52.1 ppb (50) | 25.1 ppb (24) | N/A | 27.0 ppb (26) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
| Feb. 24, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| Feb. 24, 2021, 11 a.m. | 44.2 ppb (42) | 11.9 ppb (12) | N/A | 32.0 ppb (31) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
| Feb. 24, 2021, 10 a.m. | 30.5 ppb (29) | 4.7 ppb (5) | N/A | 26.0 ppb (25) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
| Feb. 24, 2021, 9 a.m. | 27.2 ppb (26) | 2.0 ppb (2) | N/A | 25.0 ppb (24) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 μg/m3 (87) | 87.0 | |
| Feb. 24, 2021, 8 a.m. | 21.2 ppb (20) | 1.1 ppb (2) | N/A | 20.0 ppb (19) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 23.0 μg/m3 (74) | 74.0 | |
| Feb. 24, 2021, 7 a.m. | 24.4 ppb (24) | 2.1 ppb (2) | N/A | 22.0 ppb (21) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 28.0 μg/m3 (85) | 85.0 | |
| Feb. 24, 2021, 6 a.m. | 28.7 ppb (28) | 2.2 ppb (3) | N/A | 27.0 ppb (26) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 27.0 μg/m3 (83) | 83.0 | |
| Feb. 24, 2021, 5 a.m. | 35.4 ppb (34) | 4.2 ppb (4) | N/A | 31.0 ppb (30) | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
| Feb. 24, 2021, 4 a.m. | 27.9 ppb (27) | 1.2 ppb (2) | N/A | 27.0 ppb (26) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Feb. 24, 2021, 3 a.m. | 17.3 ppb (17) | 0.4 ppb (1) | N/A | 17.0 ppb (17) | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Feb. 24, 2021, 2 a.m. | 6.4 ppb (7) | -0.2 ppb (0) | N/A | 7.0 ppb (7) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 24, 2021, 1 a.m. | 3.7 ppb (4) | -0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 24, 2021, midnight | 2.5 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 23, 2021, 11 p.m. | 2.3 ppb (3) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 23, 2021, 10 p.m. | 2.6 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 23, 2021, 9 p.m. | 4.7 ppb (5) | 0.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| Feb. 23, 2021, 8 p.m. | 6.5 ppb (7) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Feb. 23, 2021, 7 p.m. | 7.6 ppb (8) | 1.3 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
| Feb. 23, 2021, 6 p.m. | 9.2 ppb (9) | 2.2 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 26.0 ppb (25) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Feb. 23, 2021, 5 p.m. | N/A | 5.9 ppb (6) | N/A | 13.0 ppb (13) | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Feb. 23, 2021, 4 p.m. | 60.0 ppb (58) | 35.1 ppb (34) | N/A | 25.0 ppb (24) | N/A | N/A | 8.0 ppb (8) | N/A | N/A | 13.0 μg/m3 (53) | 58.0 | |
| Feb. 23, 2021, 3 p.m. | 55.6 ppb (53) | 32.3 ppb (31) | N/A | 23.0 ppb (22) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Feb. 23, 2021, 2 p.m. | 48.1 ppb (46) | 25.9 ppb (25) | N/A | 22.0 ppb (21) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 23, 2021, 1 p.m. | 46.3 ppb (44) | 20.0 ppb (19) | N/A | 26.0 ppb (25) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Feb. 23, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
| Feb. 23, 2021, 11 a.m. | 40.6 ppb (39) | 14.9 ppb (15) | N/A | 26.0 ppb (25) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Feb. 23, 2021, 10 a.m. | 32.8 ppb (31) | 7.7 ppb (8) | N/A | 25.0 ppb (24) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
| Feb. 23, 2021, 9 a.m. | 25.2 ppb (24) | 2.8 ppb (3) | N/A | 22.0 ppb (21) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| Feb. 23, 2021, 8 a.m. | 29.6 ppb (28) | 4.9 ppb (5) | N/A | 25.0 ppb (24) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Feb. 23, 2021, 7 a.m. | 26.6 ppb (26) | 4.2 ppb (4) | N/A | 22.0 ppb (21) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
| Feb. 23, 2021, 6 a.m. | 31.4 ppb (30) | 4.8 ppb (5) | N/A | 27.0 ppb (26) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
| Feb. 23, 2021, 5 a.m. | 27.0 ppb (26) | 1.0 ppb (1) | N/A | 26.0 ppb (25) | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 32.0 μg/m3 (93) | 93.0 | |
| Feb. 23, 2021, 4 a.m. | 20.6 ppb (20) | 0.3 ppb (1) | N/A | 20.0 ppb (19) | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 32.0 μg/m3 (93) | 93.0 | |
| Feb. 23, 2021, 3 a.m. | 18.1 ppb (18) | 0.2 ppb (1) | N/A | 18.0 ppb (17) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 35.0 μg/m3 (100) | 100.0 | |
| Feb. 23, 2021, 2 a.m. | 10.4 ppb (10) | -0.1 ppb (0) | N/A | 11.0 ppb (11) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 26.0 μg/m3 (81) | 81.0 | |
| Feb. 23, 2021, 1 a.m. | 5.2 ppb (5) | -0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 6.0 μg/m3 (25) | 31.0 | |
| Feb. 23, 2021, midnight | 2.8 ppb (3) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 3.0 μg/m3 (13) | 35.0 | |
| Feb. 22, 2021, 11 p.m. | 2.7 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | 6.0 μg/m3 (25) | 36.0 | |
| Feb. 22, 2021, 10 p.m. | 3.1 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 22, 2021, 9 p.m. | 5.7 ppb (6) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 22, 2021, 8 p.m. | 7.9 ppb (8) | 1.6 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Feb. 22, 2021, 7 p.m. | 13.9 ppb (14) | 4.2 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Feb. 22, 2021, 6 p.m. | 17.8 ppb (17) | 6.7 ppb (7) | N/A | 11.0 ppb (11) | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Feb. 22, 2021, 5 p.m. | 15.7 ppb (15) | 6.4 ppb (7) | N/A | 9.0 ppb (9) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 22, 2021, 4 p.m. | 33.7 ppb (32) | 17.3 ppb (17) | N/A | 16.0 ppb (16) | N/A | N/A | 8.0 ppb (8) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 22, 2021, 3 p.m. | 63.5 ppb (62) | 42.9 ppb (41) | N/A | 21.0 ppb (20) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 13.0 μg/m3 (53) | 62.0 | |
| Feb. 22, 2021, 2 p.m. | 60.1 ppb (58) | 37.8 ppb (36) | N/A | 22.0 ppb (21) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 13.0 μg/m3 (53) | 58.0 | |
| Feb. 22, 2021, 1 p.m. | 43.6 ppb (42) | 24.6 ppb (24) | N/A | 19.0 ppb (18) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 22, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Feb. 22, 2021, 11 a.m. | 31.5 ppb (30) | 11.7 ppb (12) | N/A | 20.0 ppb (19) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 22, 2021, 10 a.m. | 21.8 ppb (21) | 2.5 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Feb. 22, 2021, 9 a.m. | 36.2 ppb (35) | 11.2 ppb (11) | N/A | 25.0 ppb (24) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 22, 2021, 8 a.m. | 26.3 ppb (25) | 4.0 ppb (4) | N/A | 22.0 ppb (21) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Feb. 22, 2021, 7 a.m. | 35.9 ppb (34) | 9.5 ppb (9) | N/A | 27.0 ppb (26) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Feb. 22, 2021, 6 a.m. | 17.0 ppb (17) | 0.5 ppb (1) | N/A | 17.0 ppb (17) | N/A | N/A | 13.0 ppb (13) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Feb. 22, 2021, 5 a.m. | 17.5 ppb (17) | 2.1 ppb (2) | N/A | 15.0 ppb (15) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 22, 2021, 4 a.m. | 9.9 ppb (10) | 0.1 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Feb. 22, 2021, 3 a.m. | 10.7 ppb (11) | 0.0 ppb (0) | N/A | 11.0 ppb (11) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 22, 2021, 2 a.m. | 7.3 ppb (7) | -0.2 ppb (0) | N/A | 8.0 ppb (8) | N/A | N/A | 27.0 ppb (25) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 22, 2021, 1 a.m. | 2.2 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 7.0 μg/m3 (30) | 32.0 | |
| Feb. 22, 2021, midnight | 1.4 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 2.0 μg/m3 (9) | 34.0 | |
| Feb. 21, 2021, 11 p.m. | 1.4 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 3.0 μg/m3 (13) | 34.0 | |
| Feb. 21, 2021, 10 p.m. | 1.4 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 5.0 μg/m3 (21) | 34.0 | |
| Feb. 21, 2021, 9 p.m. | 1.7 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 7.0 μg/m3 (30) | 33.0 | |
| Feb. 21, 2021, 8 p.m. | 1.9 ppb (2) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 6.0 μg/m3 (25) | 31.0 | |
| Feb. 21, 2021, 7 p.m. | 2.0 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 3.0 μg/m3 (13) | 29.0 | |
| Feb. 21, 2021, 6 p.m. | 3.1 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 27.0 ppb (25) | N/A | N/A | 4.0 μg/m3 (17) | 25.0 | |
| Feb. 21, 2021, 5 p.m. | 7.5 ppb (8) | 2.8 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Feb. 21, 2021, 4 p.m. | 10.8 ppb (11) | 3.3 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Feb. 21, 2021, 3 p.m. | 17.0 ppb (17) | 4.6 ppb (5) | N/A | 12.0 ppb (12) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Feb. 21, 2021, 2 p.m. | 21.1 ppb (20) | 5.6 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 21, 2021, 1 p.m. | 24.1 ppb (23) | 6.1 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
| Feb. 21, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Feb. 21, 2021, 11 a.m. | 37.0 ppb (35) | 11.9 ppb (12) | N/A | 25.0 ppb (24) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 23.0 μg/m3 (74) | 74.0 | |
| Feb. 21, 2021, 10 a.m. | 30.9 ppb (30) | 10.6 ppb (10) | N/A | 20.0 ppb (19) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Feb. 21, 2021, 9 a.m. | 28.9 ppb (28) | 7.5 ppb (8) | N/A | 21.0 ppb (20) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 21, 2021, 8 a.m. | 32.8 ppb (31) | 7.4 ppb (7) | N/A | 25.0 ppb (24) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| Feb. 21, 2021, 7 a.m. | 24.9 ppb (24) | 3.9 ppb (4) | N/A | 21.0 ppb (20) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 21, 2021, 6 a.m. | 27.4 ppb (26) | 3.8 ppb (4) | N/A | 24.0 ppb (23) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 23.0 μg/m3 (74) | 74.0 | |
| Feb. 21, 2021, 5 a.m. | 17.3 ppb (17) | 1.2 ppb (2) | N/A | 16.0 ppb (16) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 21, 2021, 4 a.m. | 16.7 ppb (16) | 0.7 ppb (1) | N/A | 16.0 ppb (16) | N/A | N/A | 13.0 ppb (13) | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| Feb. 21, 2021, 3 a.m. | 9.0 ppb (9) | 0.6 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| Feb. 21, 2021, 2 a.m. | 4.9 ppb (5) | -0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (26) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Feb. 21, 2021, 1 a.m. | 2.3 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | 5.0 μg/m3 (21) | 30.0 | |
| Feb. 21, 2021, midnight | 1.4 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 4.0 μg/m3 (17) | 32.0 | |
| Feb. 20, 2021, 11 p.m. | 1.3 ppb (2) | -0.1 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 4.0 μg/m3 (17) | 32.0 | |
| Feb. 20, 2021, 10 p.m. | 1.1 ppb (2) | -0.1 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 20, 2021, 9 p.m. | 1.4 ppb (2) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 7.0 μg/m3 (30) | 34.0 | |
| Feb. 20, 2021, 8 p.m. | 1.3 ppb (2) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 6.0 μg/m3 (25) | 32.0 | |
| Feb. 20, 2021, 7 p.m. | 1.4 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | 6.0 μg/m3 (25) | 30.0 | |
| Feb. 20, 2021, 6 p.m. | 1.7 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 2.0 μg/m3 (9) | 29.0 | |
| Feb. 20, 2021, 5 p.m. | 2.2 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 28.0 ppb (26) | N/A | N/A | 4.0 μg/m3 (17) | 26.0 | |
| Feb. 20, 2021, 4 p.m. | 5.3 ppb (5) | 1.6 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 20, 2021, 3 p.m. | 5.1 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 20, 2021, 2 p.m. | 6.1 ppb (6) | 1.9 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 20, 2021, 1 p.m. | 6.0 ppb (6) | 0.4 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 20, 2021, 11 a.m. | 8.5 ppb (9) | 1.9 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 20, 2021, 10 a.m. | N/A | 0.3 ppb (1) | N/A | 9.0 ppb (9) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| Feb. 20, 2021, 9 a.m. | 48.0 ppb (46) | 21.6 ppb (21) | N/A | 26.0 ppb (25) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 23.0 μg/m3 (74) | 74.0 | |
| Feb. 20, 2021, 8 a.m. | 39.0 ppb (37) | 10.9 ppb (11) | N/A | 28.0 ppb (27) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
| Feb. 20, 2021, 7 a.m. | 32.9 ppb (32) | 4.8 ppb (5) | N/A | 28.0 ppb (27) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| Feb. 20, 2021, 6 a.m. | 28.7 ppb (28) | 2.0 ppb (2) | N/A | 27.0 ppb (26) | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 27.0 μg/m3 (83) | 83.0 | |
| Feb. 20, 2021, 5 a.m. | 41.1 ppb (39) | 8.0 ppb (8) | N/A | 33.0 ppb (32) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
| Feb. 20, 2021, 4 a.m. | 30.8 ppb (30) | 2.6 ppb (3) | N/A | 28.0 ppb (27) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| Feb. 20, 2021, 3 a.m. | 19.9 ppb (19) | 0.5 ppb (1) | N/A | 19.0 ppb (18) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 20, 2021, 2 a.m. | 10.6 ppb (10) | -0.1 ppb (0) | N/A | 11.0 ppb (11) | N/A | N/A | 29.0 ppb (27) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 20, 2021, 1 a.m. | 3.2 ppb (4) | -0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 7.0 μg/m3 (30) | 38.0 | |
| Feb. 20, 2021, midnight | 2.0 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Feb. 19, 2021, 11 p.m. | 2.1 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 6.0 μg/m3 (25) | 40.0 | |
| Feb. 19, 2021, 10 p.m. | 2.4 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 19, 2021, 9 p.m. | 3.7 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 8.0 μg/m3 (34) | 38.0 | |
| Feb. 19, 2021, 8 p.m. | 5.3 ppb (5) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 8.0 μg/m3 (34) | 35.0 | |
| Feb. 19, 2021, 7 p.m. | 10.0 ppb (10) | 2.4 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 28.0 ppb (26) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Feb. 19, 2021, 6 p.m. | 16.3 ppb (16) | 5.1 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 19, 2021, 5 p.m. | 25.0 ppb (24) | 9.4 ppb (9) | N/A | 16.0 ppb (16) | N/A | N/A | 16.0 ppb (15) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 19, 2021, 4 p.m. | 46.4 ppb (44) | 23.1 ppb (22) | N/A | 23.0 ppb (22) | N/A | N/A | 8.0 ppb (8) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 19, 2021, 3 p.m. | 53.8 ppb (51) | 30.1 ppb (29) | N/A | 24.0 ppb (23) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Feb. 19, 2021, 2 p.m. | 66.9 ppb (65) | 38.8 ppb (37) | N/A | 28.0 ppb (27) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 13.0 μg/m3 (53) | 65.0 | |
| Feb. 19, 2021, 1 p.m. | 59.3 ppb (57) | 32.4 ppb (31) | N/A | 27.0 ppb (26) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 9.0 μg/m3 (38) | 57.0 | |
| Feb. 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 19, 2021, 11 a.m. | 30.1 ppb (29) | 5.9 ppb (6) | N/A | 24.0 ppb (23) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 19, 2021, 10 a.m. | 27.1 ppb (26) | 3.9 ppb (4) | N/A | 23.0 ppb (22) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Feb. 19, 2021, 9 a.m. | 21.6 ppb (21) | 1.9 ppb (2) | N/A | 20.0 ppb (19) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Feb. 19, 2021, 8 a.m. | 37.9 ppb (36) | 11.1 ppb (11) | N/A | 27.0 ppb (26) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Feb. 19, 2021, 7 a.m. | 22.2 ppb (21) | 1.6 ppb (2) | N/A | 21.0 ppb (20) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Feb. 19, 2021, 6 a.m. | 38.4 ppb (37) | 9.6 ppb (10) | N/A | 29.0 ppb (28) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 19, 2021, 5 a.m. | 37.3 ppb (36) | 6.6 ppb (7) | N/A | 31.0 ppb (30) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Feb. 19, 2021, 4 a.m. | 29.4 ppb (28) | 2.5 ppb (3) | N/A | 27.0 ppb (26) | N/A | N/A | 6.0 ppb (6) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Feb. 19, 2021, 3 a.m. | 22.6 ppb (22) | 0.7 ppb (1) | N/A | 22.0 ppb (21) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 19, 2021, 2 a.m. | 13.1 ppb (13) | 0.0 ppb (0) | N/A | 13.0 ppb (13) | N/A | N/A | 26.0 ppb (25) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| Feb. 19, 2021, 1 a.m. | 3.6 ppb (4) | -0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 2.0 μg/m3 (9) | 34.0 | |
| Feb. 19, 2021, midnight | 2.4 ppb (3) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 2.0 μg/m3 (9) | 37.0 | |
| Feb. 18, 2021, 11 p.m. | 3.5 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 2.0 μg/m3 (9) | 37.0 | |
| Feb. 18, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | N/A | 3.0 μg/m3 (13) | 36.0 | |
| Feb. 18, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 2.0 μg/m3 (9) | 35.0 | |
| Feb. 18, 2021, 8 p.m. | 2.4 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 3.0 μg/m3 (13) | 34.0 | |
| Feb. 18, 2021, 7 p.m. | 3.6 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 6.0 μg/m3 (25) | 31.0 | |
| Feb. 18, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 18, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Feb. 18, 2021, 4 p.m. | N/A | 8.2 ppb (8) | N/A | 12.0 ppb (12) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| Feb. 18, 2021, 3 p.m. | 56.8 ppb (54) | 35.1 ppb (34) | N/A | 22.0 ppb (21) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 13.0 μg/m3 (53) | 54.0 | |
| Feb. 18, 2021, 2 p.m. | 63.9 ppb (62) | 40.0 ppb (38) | N/A | 24.0 ppb (23) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 14.0 μg/m3 (55) | 62.0 | |
| Feb. 18, 2021, 1 p.m. | 63.4 ppb (62) | 39.3 ppb (38) | N/A | 24.0 ppb (23) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 11.0 μg/m3 (46) | 62.0 | |
| Feb. 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 18, 2021, 11 a.m. | 44.6 ppb (43) | 19.8 ppb (19) | N/A | 25.0 ppb (24) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 18, 2021, 10 a.m. | 37.6 ppb (36) | 12.8 ppb (13) | N/A | 25.0 ppb (24) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 8.0 μg/m3 (34) | 36.0 | |
| Feb. 18, 2021, 9 a.m. | 25.0 ppb (24) | 4.3 ppb (5) | N/A | 21.0 ppb (20) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 18, 2021, 8 a.m. | 20.0 ppb (19) | 2.7 ppb (3) | N/A | 17.0 ppb (17) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 18, 2021, 7 a.m. | 20.6 ppb (20) | 2.2 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 6.0 ppb (6) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 18, 2021, 6 a.m. | 24.0 ppb (23) | 6.9 ppb (7) | N/A | 17.0 ppb (17) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Feb. 18, 2021, 5 a.m. | 19.8 ppb (19) | 1.9 ppb (2) | N/A | 18.0 ppb (17) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Feb. 18, 2021, 4 a.m. | 12.3 ppb (12) | 1.9 ppb (2) | N/A | 10.0 ppb (10) | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 18, 2021, 3 a.m. | 9.0 ppb (9) | -0.1 ppb (0) | N/A | 9.0 ppb (9) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Feb. 18, 2021, 2 a.m. | 7.8 ppb (8) | -0.1 ppb (0) | N/A | 8.0 ppb (8) | N/A | N/A | 26.0 ppb (25) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Feb. 18, 2021, 1 a.m. | 3.6 ppb (4) | -0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Feb. 18, 2021, midnight | 1.6 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 6.0 μg/m3 (25) | 33.0 | |
| Feb. 17, 2021, 11 p.m. | 1.3 ppb (2) | -0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 6.0 μg/m3 (25) | 33.0 |