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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 20, 2021, 8 a.m. | 20.2 ppb (20) | 1.1 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 20, 2021, 7 a.m. | 10.7 ppb (11) | 0.2 ppb (1) | N/A | 11.0 ppb (11) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 20, 2021, 6 a.m. | 10.2 ppb (10) | 0.1 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 20, 2021, 5 a.m. | 13.1 ppb (13) | 0.1 ppb (1) | N/A | 13.0 ppb (13) | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 20, 2021, 4 a.m. | 15.1 ppb (15) | 0.0 ppb (0) | N/A | 15.0 ppb (15) | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 20, 2021, 3 a.m. | 8.6 ppb (9) | -0.2 ppb (0) | N/A | 9.0 ppb (9) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | 8.0 μg/m3 (34) | 36.0 | |
| April 20, 2021, 2 a.m. | 3.6 ppb (4) | -0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 10.0 μg/m3 (42) | 45.0 | |
| April 20, 2021, 1 a.m. | 2.1 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 7.0 μg/m3 (30) | 47.0 | |
| April 20, 2021, midnight | 1.4 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 52.0 ppb (49) | N/A | N/A | 5.0 μg/m3 (21) | 49.0 | |
| April 19, 2021, 11 p.m. | 1.4 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 8.0 μg/m3 (34) | 48.0 | |
| April 19, 2021, 10 p.m. | 1.5 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 7.0 μg/m3 (30) | 46.0 | |
| April 19, 2021, 9 p.m. | 1.2 ppb (2) | -0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 3.0 μg/m3 (13) | 48.0 | |
| April 19, 2021, 8 p.m. | 1.6 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 4.0 μg/m3 (17) | 48.0 | |
| April 19, 2021, 7 p.m. | 1.7 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 6.0 μg/m3 (25) | 47.0 | |
| April 19, 2021, 6 p.m. | 2.5 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 8.0 μg/m3 (34) | 46.0 | |
| April 19, 2021, 5 p.m. | 6.0 ppb (6) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 19, 2021, 4 p.m. | 11.0 ppb (11) | 2.0 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| April 19, 2021, 3 p.m. | 22.4 ppb (22) | 5.8 ppb (6) | N/A | 17.0 ppb (17) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| April 19, 2021, 2 p.m. | 41.4 ppb (40) | 17.3 ppb (17) | N/A | 24.0 ppb (23) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 19, 2021, 1 p.m. | 40.7 ppb (39) | 15.3 ppb (15) | N/A | 25.0 ppb (24) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 8.0 μg/m3 (34) | 39.0 | |
| April 19, 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 | |
| April 19, 2021, 11 a.m. | 32.4 ppb (31) | 4.1 ppb (4) | N/A | 28.0 ppb (27) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 19, 2021, 10 a.m. | 32.1 ppb (31) | 3.7 ppb (4) | N/A | 28.0 ppb (27) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| April 19, 2021, 9 a.m. | 24.8 ppb (24) | 1.0 ppb (1) | N/A | 24.0 ppb (23) | N/A | N/A | 6.0 ppb (6) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 19, 2021, 8 a.m. | 17.5 ppb (17) | 0.7 ppb (1) | N/A | 17.0 ppb (17) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 19, 2021, 7 a.m. | 19.9 ppb (19) | 0.6 ppb (1) | N/A | 19.0 ppb (18) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 19, 2021, 6 a.m. | 16.1 ppb (16) | 0.3 ppb (1) | N/A | 16.0 ppb (16) | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 19, 2021, 5 a.m. | 14.0 ppb (14) | 0.1 ppb (1) | N/A | 14.0 ppb (14) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 19, 2021, 4 a.m. | 9.7 ppb (10) | -0.1 ppb (0) | N/A | 10.0 ppb (10) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 19, 2021, 3 a.m. | 5.1 ppb (5) | -0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 8.0 μg/m3 (34) | 38.0 | |
| April 19, 2021, 2 a.m. | 2.2 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 5.0 μg/m3 (21) | 42.0 | |
| April 19, 2021, 1 a.m. | 0.9 ppb (1) | -0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 5.0 μg/m3 (21) | 45.0 | |
| April 19, 2021, midnight | 0.7 ppb (1) | -0.3 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 9.0 μg/m3 (38) | 45.0 | |
| April 18, 2021, 11 p.m. | 0.7 ppb (1) | -0.3 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 5.0 μg/m3 (21) | 45.0 | |
| April 18, 2021, 10 p.m. | 0.9 ppb (1) | -0.3 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 7.0 μg/m3 (30) | 45.0 | |
| April 18, 2021, 9 p.m. | 1.1 ppb (2) | -0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 8.0 μg/m3 (34) | 46.0 | |
| April 18, 2021, 8 p.m. | 1.1 ppb (2) | -0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 5.0 μg/m3 (21) | 45.0 | |
| April 18, 2021, 7 p.m. | 1.3 ppb (2) | -0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 8.0 μg/m3 (34) | 43.0 | |
| April 18, 2021, 6 p.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 18, 2021, 5 p.m. | 2.7 ppb (3) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 4.0 μg/m3 (17) | 40.0 | |
| April 18, 2021, 4 p.m. | 5.2 ppb (5) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 4.0 μg/m3 (17) | 35.0 | |
| April 18, 2021, 3 p.m. | 8.6 ppb (9) | 1.5 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 29.0 ppb (27) | N/A | N/A | 6.0 μg/m3 (25) | 27.0 | |
| April 18, 2021, 2 p.m. | 10.7 ppb (11) | 1.6 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| April 18, 2021, 1 p.m. | 14.2 ppb (14) | 0.9 ppb (1) | N/A | 13.0 ppb (13) | N/A | N/A | 16.0 ppb (15) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| April 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| April 18, 2021, 11 a.m. | 10.7 ppb (11) | 0.4 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 18, 2021, 10 a.m. | 10.4 ppb (10) | 0.4 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| April 18, 2021, 9 a.m. | 13.0 ppb (13) | 0.6 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| April 18, 2021, 8 a.m. | 12.5 ppb (12) | 0.4 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 13.0 ppb (13) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 18, 2021, 7 a.m. | 7.7 ppb (8) | 0.1 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 18, 2021, 6 a.m. | 9.1 ppb (9) | 0.1 ppb (1) | N/A | 9.0 ppb (9) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 18, 2021, 5 a.m. | 5.1 ppb (5) | -0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| April 18, 2021, 4 a.m. | 4.0 ppb (4) | -0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 18, 2021, 3 a.m. | 3.0 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 18, 2021, 2 a.m. | 2.0 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 18, 2021, 1 a.m. | 1.5 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 7.0 μg/m3 (30) | 43.0 | |
| April 18, 2021, midnight | 1.4 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 17, 2021, 11 p.m. | 1.3 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 6.0 μg/m3 (25) | 44.0 | |
| April 17, 2021, 10 p.m. | 1.1 ppb (2) | -0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 6.0 μg/m3 (25) | 44.0 | |
| April 17, 2021, 9 p.m. | 1.6 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 7.0 μg/m3 (30) | 44.0 | |
| April 17, 2021, 8 p.m. | 1.7 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 17, 2021, 7 p.m. | 2.6 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 17, 2021, 6 p.m. | 4.5 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 17, 2021, 5 p.m. | 5.7 ppb (6) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 17, 2021, 4 p.m. | 8.3 ppb (8) | 1.4 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| April 17, 2021, 3 p.m. | 14.7 ppb (14) | 3.3 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 17, 2021, 2 p.m. | 21.6 ppb (21) | 4.8 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| April 17, 2021, 1 p.m. | 25.7 ppb (25) | 3.6 ppb (4) | N/A | 22.0 ppb (21) | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| April 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 17, 2021, 11 a.m. | 22.5 ppb (22) | 1.1 ppb (2) | N/A | 22.0 ppb (21) | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| April 17, 2021, 10 a.m. | 16.6 ppb (16) | 0.5 ppb (1) | N/A | 16.0 ppb (16) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| April 17, 2021, 9 a.m. | 23.1 ppb (22) | 1.7 ppb (2) | N/A | 21.0 ppb (20) | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| April 17, 2021, 8 a.m. | 29.0 ppb (28) | 3.6 ppb (4) | N/A | 25.0 ppb (24) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| April 17, 2021, 7 a.m. | 17.3 ppb (17) | 0.6 ppb (1) | N/A | 17.0 ppb (17) | N/A | N/A | 14.0 ppb (13) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 17, 2021, 6 a.m. | 18.0 ppb (17) | 0.4 ppb (1) | N/A | 18.0 ppb (17) | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| April 17, 2021, 5 a.m. | 18.8 ppb (18) | 0.5 ppb (1) | N/A | 18.0 ppb (17) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 17, 2021, 4 a.m. | 8.7 ppb (9) | -0.2 ppb (0) | N/A | 9.0 ppb (9) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 17, 2021, 3 a.m. | 7.0 ppb (7) | -0.2 ppb (0) | N/A | 7.0 ppb (7) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 7.0 μg/m3 (30) | 37.0 | |
| April 17, 2021, 2 a.m. | 2.5 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 6.0 μg/m3 (25) | 44.0 | |
| April 17, 2021, 1 a.m. | 1.6 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 8.0 μg/m3 (34) | 47.0 | |
| April 17, 2021, midnight | 1.3 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 10.0 μg/m3 (42) | 47.0 | |
| April 16, 2021, 11 p.m. | 1.2 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 7.0 μg/m3 (30) | 46.0 | |
| April 16, 2021, 10 p.m. | 1.6 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 5.0 μg/m3 (21) | 45.0 | |
| April 16, 2021, 9 p.m. | 1.4 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 6.0 μg/m3 (25) | 45.0 | |
| April 16, 2021, 8 p.m. | 2.2 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 16, 2021, 7 p.m. | 3.3 ppb (4) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 16, 2021, 6 p.m. | 3.7 ppb (4) | 0.4 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 | |
| April 16, 2021, 5 p.m. | 5.4 ppb (6) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 16, 2021, 4 p.m. | 7.4 ppb (7) | 1.5 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 | |
| April 16, 2021, 3 p.m. | 17.1 ppb (17) | 5.4 ppb (6) | N/A | 12.0 ppb (12) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 16, 2021, 2 p.m. | 30.5 ppb (29) | 13.5 ppb (13) | N/A | 17.0 ppb (17) | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 16, 2021, 1 p.m. | 33.9 ppb (32) | 14.4 ppb (14) | N/A | 19.0 ppb (18) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| April 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 16, 2021, 11 a.m. | 23.8 ppb (23) | 1.6 ppb (2) | N/A | 22.0 ppb (21) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| April 16, 2021, 10 a.m. | 29.7 ppb (29) | 2.8 ppb (3) | N/A | 27.0 ppb (26) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 16, 2021, 9 a.m. | 32.6 ppb (31) | 3.3 ppb (4) | N/A | 29.0 ppb (28) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
| April 16, 2021, 8 a.m. | 34.0 ppb (33) | 3.4 ppb (4) | N/A | 31.0 ppb (30) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| April 16, 2021, 7 a.m. | 22.8 ppb (22) | 0.7 ppb (1) | N/A | 22.0 ppb (21) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 16, 2021, 6 a.m. | 21.8 ppb (21) | 0.5 ppb (1) | N/A | 21.0 ppb (20) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 16, 2021, 5 a.m. | 15.6 ppb (15) | 0.2 ppb (1) | N/A | 15.0 ppb (15) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 16, 2021, 4 a.m. | 13.1 ppb (13) | -0.1 ppb (0) | N/A | 13.0 ppb (13) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| April 16, 2021, 3 a.m. | 6.8 ppb (7) | -0.3 ppb (0) | N/A | 7.0 ppb (7) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 7.0 μg/m3 (30) | 38.0 | |
| April 16, 2021, 2 a.m. | 2.2 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 16, 2021, 1 a.m. | 1.3 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 10.0 μg/m3 (42) | 43.0 | |
| April 16, 2021, midnight | 1.4 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 9.0 μg/m3 (38) | 43.0 | |
| April 15, 2021, 11 p.m. | 1.2 ppb (2) | -0.3 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 15, 2021, 10 p.m. | 1.7 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 7.0 μg/m3 (30) | 43.0 | |
| April 15, 2021, 9 p.m. | 1.7 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 8.0 μg/m3 (34) | 43.0 | |
| April 15, 2021, 8 p.m. | 1.5 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 9.0 μg/m3 (38) | 43.0 | |
| April 15, 2021, 7 p.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 7.0 μg/m3 (30) | 41.0 | |
| April 15, 2021, 6 p.m. | 2.6 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 15, 2021, 5 p.m. | 5.0 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 15, 2021, 4 p.m. | 9.0 ppb (9) | 2.2 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 27.0 ppb (25) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 15, 2021, 3 p.m. | 9.8 ppb (10) | 2.4 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 15, 2021, 2 p.m. | 27.4 ppb (26) | 9.0 ppb (9) | N/A | 18.0 ppb (17) | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| April 15, 2021, 1 p.m. | 37.6 ppb (36) | 12.6 ppb (12) | N/A | 25.0 ppb (24) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| April 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 15, 2021, 11 a.m. | 24.8 ppb (24) | 0.9 ppb (1) | N/A | 24.0 ppb (23) | N/A | N/A | 6.0 ppb (6) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 15, 2021, 10 a.m. | 21.0 ppb (20) | 0.4 ppb (1) | N/A | 21.0 ppb (20) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 15, 2021, 9 a.m. | 16.4 ppb (16) | 0.6 ppb (1) | N/A | 16.0 ppb (16) | N/A | N/A | 13.0 ppb (13) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 15, 2021, 8 a.m. | 10.9 ppb (11) | 0.5 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 15, 2021, 7 a.m. | 7.7 ppb (8) | 0.0 ppb (0) | N/A | 8.0 ppb (8) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| April 15, 2021, 6 a.m. | 8.0 ppb (8) | -0.1 ppb (0) | N/A | 8.0 ppb (8) | N/A | N/A | 26.0 ppb (25) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 15, 2021, 5 a.m. | 5.8 ppb (6) | -0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| April 15, 2021, 4 a.m. | 5.4 ppb (6) | -0.3 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 15, 2021, 3 a.m. | 4.2 ppb (4) | -0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 15, 2021, 2 a.m. | 2.7 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 15, 2021, 1 a.m. | 1.3 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 6.0 μg/m3 (25) | 41.0 | |
| April 15, 2021, midnight | 1.2 ppb (2) | -0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 6.0 μg/m3 (25) | 39.0 | |
| April 14, 2021, 11 p.m. | 1.6 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 8.0 μg/m3 (34) | 38.0 | |
| April 14, 2021, 10 p.m. | 1.3 ppb (2) | -0.1 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 7.0 μg/m3 (30) | 39.0 | |
| April 14, 2021, 9 p.m. | 1.5 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 7.0 μg/m3 (30) | 40.0 | |
| April 14, 2021, 8 p.m. | 2.6 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 7.0 μg/m3 (30) | 41.0 | |
| April 14, 2021, 7 p.m. | 2.2 ppb (3) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 9.0 μg/m3 (38) | 39.0 | |
| April 14, 2021, 6 p.m. | 2.4 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| April 14, 2021, 5 p.m. | 3.7 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 14, 2021, 4 p.m. | 4.2 ppb (4) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 14, 2021, 3 p.m. | 4.6 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 14, 2021, 2 p.m. | 7.3 ppb (7) | 1.3 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 14, 2021, 1 p.m. | 4.6 ppb (5) | -0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 29.0 | |
| April 14, 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 | |
| April 14, 2021, 11 a.m. | 2.3 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 14, 2021, 10 a.m. | 2.9 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 29.0 ppb (27) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 14, 2021, 9 a.m. | 5.2 ppb (5) | 0.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (26) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 14, 2021, 8 a.m. | 2.4 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 14, 2021, 7 a.m. | 2.3 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| April 14, 2021, 6 a.m. | 3.1 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| April 14, 2021, 5 a.m. | 1.7 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 6.0 μg/m3 (25) | 32.0 | |
| April 14, 2021, 4 a.m. | 1.3 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 6.0 μg/m3 (25) | 35.0 | |
| April 14, 2021, 3 a.m. | 1.3 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | 8.0 μg/m3 (34) | 36.0 | |
| April 14, 2021, 2 a.m. | 1.4 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 8.0 μg/m3 (34) | 37.0 | |
| April 14, 2021, 1 a.m. | 0.9 ppb (1) | -0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| April 14, 2021, midnight | 0.8 ppb (1) | -0.3 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 13, 2021, 11 p.m. | 0.8 ppb (1) | -0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 8.0 μg/m3 (34) | 38.0 | |
| April 13, 2021, 10 p.m. | 0.8 ppb (1) | -0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 13, 2021, 9 p.m. | 1.1 ppb (2) | -0.2 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 13, 2021, 8 p.m. | 1.7 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| April 13, 2021, 7 p.m. | 2.8 ppb (3) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| April 13, 2021, 4 p.m. | 10.4 ppb (10) | 2.2 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| April 13, 2021, 3 p.m. | 20.7 ppb (20) | N/A | N/A | 14.0 ppb (14) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| April 13, 2021, 2 p.m. | N/A | 38.4 ppb (37) | N/A | 31.0 ppb (30) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| April 13, 2021, 1 p.m. | 34.0 ppb (33) | 8.9 ppb (9) | N/A | 25.0 ppb (24) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| April 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| April 13, 2021, 11 a.m. | 27.3 ppb (26) | 6.3 ppb (6) | N/A | 21.0 ppb (20) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 13, 2021, 10 a.m. | 22.8 ppb (22) | 2.1 ppb (2) | N/A | 21.0 ppb (20) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| April 13, 2021, 9 a.m. | 22.5 ppb (22) | 1.5 ppb (2) | N/A | 21.0 ppb (20) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 |