Stilwell (D0869 Rd) OK, US: 35.750599, -94.669701
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 8, 2020, 5 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.26 ppb (3) | 22.0 μg/m3 (20) | 7.9 μg/m3 (33) | 33.0 | |
| April 8, 2020, 4 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.27 ppb (3) | 19.0 μg/m3 (17) | 5.2 μg/m3 (22) | 22.0 | |
| April 8, 2020, 3 p.m. | N/A | N/A | 1.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.27 ppb (3) | 17.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| April 8, 2020, 2 p.m. | N/A | N/A | 1.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.29 ppb (3) | 14.0 μg/m3 (13) | 7.0 μg/m3 (29) | 29.0 | |
| April 8, 2020, 1 p.m. | N/A | N/A | 1.5 ppb (1) | N/A | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.27 ppb (3) | 14.0 μg/m3 (13) | 5.1 μg/m3 (21) | 21.0 | |
| April 8, 2020, noon | N/A | N/A | 1.3 ppb (1) | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.27 ppb (3) | 10.0 μg/m3 (9) | 3.1 μg/m3 (13) | 14.0 | |
| April 8, 2020, 11 a.m. | N/A | N/A | 1.3 ppb (1) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.27 ppb (3) | 7.0 μg/m3 (6) | 4.0 μg/m3 (17) | 17.0 | |
| April 8, 2020, 10 a.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.26 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| April 8, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.26 ppb (3) | 8.0 μg/m3 (7) | 5.1 μg/m3 (21) | 21.0 | |
| April 8, 2020, 8 a.m. | N/A | N/A | 1.5 ppb (1) | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.2 ppb (2) | 8.0 μg/m3 (7) | 6.9 μg/m3 (29) | 29.0 | |
| April 8, 2020, 7 a.m. | N/A | N/A | 1.5 ppb (1) | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 10.0 μg/m3 (9) | 7.0 μg/m3 (29) | 29.0 | |
| April 8, 2020, 6 a.m. | N/A | N/A | 1.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.27 ppb (3) | 8.0 μg/m3 (7) | 5.1 μg/m3 (21) | 22.0 | |
| April 8, 2020, 5 a.m. | N/A | N/A | 1.5 ppb (1) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.28 ppb (3) | 15.0 μg/m3 (14) | 6.9 μg/m3 (29) | 29.0 | |
| April 8, 2020, 4 a.m. | N/A | N/A | 1.5 ppb (1) | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.28 ppb (3) | 12.0 μg/m3 (11) | 6.1 μg/m3 (25) | 25.0 | |
| April 8, 2020, 3 a.m. | N/A | N/A | 1.5 ppb (1) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.28 ppb (3) | 11.0 μg/m3 (10) | 7.0 μg/m3 (29) | 29.0 | |
| April 8, 2020, 2 a.m. | N/A | N/A | 1.5 ppb (1) | N/A | N/A | 1.0 ppb (1) | 30.0 ppb (23) | 0.29 ppb (3) | 14.0 μg/m3 (13) | 8.9 μg/m3 (37) | 37.0 | |
| April 8, 2020, 1 a.m. | N/A | N/A | 1.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 30.0 ppb (23) | 0.27 ppb (3) | 16.0 μg/m3 (15) | 6.2 μg/m3 (26) | 26.0 | |
| April 8, 2020, midnight | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.27 ppb (3) | 18.0 μg/m3 (16) | 6.0 μg/m3 (25) | 26.0 | |
| April 7, 2020, 11 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.27 ppb (3) | 15.0 μg/m3 (14) | 7.9 μg/m3 (33) | 33.0 | |
| April 7, 2020, 10 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.26 ppb (3) | 21.0 μg/m3 (19) | 8.0 μg/m3 (33) | 33.0 | |
| April 7, 2020, 9 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.26 ppb (3) | 13.0 μg/m3 (12) | 8.0 μg/m3 (33) | 33.0 | |
| April 7, 2020, 8 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 33.0 ppb (25) | 0.27 ppb (3) | 17.0 μg/m3 (15) | 8.0 μg/m3 (33) | 33.0 | |
| April 7, 2020, 7 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.28 ppb (3) | 12.0 μg/m3 (11) | 7.1 μg/m3 (30) | 30.0 | |
| April 7, 2020, 6 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.29 ppb (3) | 13.0 μg/m3 (12) | 9.9 μg/m3 (41) | 41.0 | |
| April 7, 2020, 5 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.28 ppb (3) | 18.0 μg/m3 (16) | 11.9 μg/m3 (50) | 50.0 | |
| April 7, 2020, 4 p.m. | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.29 ppb (3) | 13.0 μg/m3 (12) | 12.0 μg/m3 (50) | 50.0 | |
| April 7, 2020, 3 p.m. | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.28 ppb (3) | 22.0 μg/m3 (20) | 11.1 μg/m3 (46) | 46.0 | |
| April 7, 2020, 2 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.29 ppb (3) | 18.0 μg/m3 (16) | 10.1 μg/m3 (42) | 42.0 | |
| April 7, 2020, 1 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.28 ppb (3) | 15.0 μg/m3 (14) | 9.1 μg/m3 (38) | 38.0 | |
| April 7, 2020, noon | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.28 ppb (3) | 18.0 μg/m3 (16) | 10.0 μg/m3 (42) | 42.0 | |
| April 7, 2020, 11 a.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.28 ppb (3) | 13.0 μg/m3 (12) | 10.0 μg/m3 (42) | 42.0 | |
| April 7, 2020, 10 a.m. | N/A | N/A | 1.4 ppb (1) | N/A | N/A | 1.0 ppb (1) | 30.0 ppb (23) | 0.26 ppb (3) | 15.0 μg/m3 (14) | 13.8 μg/m3 (54) | 54.0 | |
| April 7, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.27 ppb (3) | 13.0 μg/m3 (12) | 11.2 μg/m3 (47) | 47.0 | |
| April 7, 2020, 8 a.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.19 ppb (2) | 16.0 μg/m3 (15) | 10.1 μg/m3 (42) | 42.0 | |
| April 7, 2020, 7 a.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 14.0 μg/m3 (13) | 10.0 μg/m3 (42) | 42.0 | |
| April 7, 2020, 6 a.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.27 ppb (3) | 17.0 μg/m3 (15) | 12.9 μg/m3 (52) | 52.0 | |
| April 7, 2020, 5 a.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.26 ppb (3) | 11.0 μg/m3 (10) | 10.2 μg/m3 (42) | 42.0 | |
| April 7, 2020, 4 a.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 36.0 ppb (28) | 0.25 ppb (3) | 15.0 μg/m3 (14) | 8.1 μg/m3 (34) | 34.0 | |
| April 7, 2020, 3 a.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 36.0 ppb (28) | 0.25 ppb (3) | 14.0 μg/m3 (13) | 7.1 μg/m3 (30) | 30.0 | |
| April 7, 2020, 2 a.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.26 ppb (3) | 14.0 μg/m3 (13) | 8.0 μg/m3 (33) | 33.0 | |
| April 7, 2020, 1 a.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 37.0 ppb (28) | 0.24 ppb (3) | 16.0 μg/m3 (15) | 7.1 μg/m3 (30) | 30.0 | |
| April 7, 2020, midnight | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 37.0 ppb (28) | 0.25 ppb (3) | 15.0 μg/m3 (14) | 8.0 μg/m3 (33) | 33.0 | |
| April 6, 2020, 11 p.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 37.0 ppb (28) | 0.26 ppb (3) | 13.0 μg/m3 (12) | 3.3 μg/m3 (14) | 28.0 | |
| April 6, 2020, 10 p.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 36.0 ppb (28) | 0.25 ppb (3) | 9.0 μg/m3 (8) | 6.8 μg/m3 (28) | 28.0 | |
| April 6, 2020, 9 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 36.0 ppb (28) | 0.25 ppb (3) | 15.0 μg/m3 (14) | 7.0 μg/m3 (29) | 29.0 | |
| April 6, 2020, 8 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 36.0 ppb (28) | 0.25 ppb (3) | 17.0 μg/m3 (15) | 7.0 μg/m3 (29) | 29.0 | |
| April 6, 2020, 7 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 37.0 ppb (28) | 0.27 ppb (3) | 11.0 μg/m3 (10) | 7.9 μg/m3 (33) | 33.0 | |
| April 6, 2020, 6 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 38.0 ppb (29) | 0.26 ppb (3) | 11.0 μg/m3 (10) | 8.0 μg/m3 (33) | 33.0 | |
| April 6, 2020, 5 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 36.0 ppb (28) | 0.26 ppb (3) | 14.0 μg/m3 (13) | 7.1 μg/m3 (30) | 30.0 | |
| April 6, 2020, 4 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.27 ppb (3) | 9.0 μg/m3 (8) | 6.1 μg/m3 (25) | 25.0 | |
| April 6, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | N/A | N/A | 19.0 | |
| April 6, 2020, 2 p.m. | N/A | N/A | 1.4 ppb (1) | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.26 ppb (3) | 12.0 μg/m3 (11) | 5.1 μg/m3 (21) | 21.0 | |
| April 6, 2020, 1 p.m. | N/A | N/A | 1.4 ppb (1) | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.27 ppb (3) | 13.0 μg/m3 (12) | 4.1 μg/m3 (17) | 17.0 | |
| April 6, 2020, noon | N/A | N/A | 1.4 ppb (1) | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.27 ppb (3) | 10.0 μg/m3 (9) | 4.0 μg/m3 (17) | 17.0 | |
| April 6, 2020, 11 a.m. | N/A | N/A | 1.5 ppb (1) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.28 ppb (3) | 9.0 μg/m3 (8) | 5.9 μg/m3 (25) | 25.0 | |
| April 6, 2020, 10 a.m. | N/A | N/A | 1.5 ppb (1) | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.27 ppb (3) | 8.0 μg/m3 (7) | 2.2 μg/m3 (9) | 15.0 | |
| April 6, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.27 ppb (3) | 10.0 μg/m3 (9) | 1.1 μg/m3 (5) | 15.0 | |
| April 6, 2020, 8 a.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.2 ppb (2) | 9.0 μg/m3 (8) | 6.7 μg/m3 (28) | 28.0 | |
| April 6, 2020, 7 a.m. | N/A | N/A | 2.1 ppb (2) | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 10.0 μg/m3 (9) | 12.7 μg/m3 (51) | 51.0 | |
| April 6, 2020, 6 a.m. | N/A | N/A | 2.2 ppb (2) | N/A | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.29 ppb (3) | 12.0 μg/m3 (11) | 15.9 μg/m3 (58) | 58.0 | |
| April 6, 2020, 5 a.m. | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.3 ppb (3) | 17.0 μg/m3 (15) | 6.5 μg/m3 (27) | 27.0 | |
| April 6, 2020, 4 a.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.3 ppb (3) | 12.0 μg/m3 (11) | 8.9 μg/m3 (37) | 37.0 | |
| April 6, 2020, 3 a.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.31 ppb (3) | 15.0 μg/m3 (14) | 14.7 μg/m3 (56) | 56.0 | |
| April 6, 2020, 2 a.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.3 ppb (3) | 12.0 μg/m3 (11) | 5.5 μg/m3 (23) | 23.0 | |
| April 6, 2020, 1 a.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.29 ppb (3) | 11.0 μg/m3 (10) | 5.0 μg/m3 (21) | 21.0 | |
| April 6, 2020, midnight | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.29 ppb (3) | 11.0 μg/m3 (10) | 4.1 μg/m3 (17) | 17.0 | |
| April 5, 2020, 11 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.28 ppb (3) | 9.0 μg/m3 (8) | 4.0 μg/m3 (17) | 17.0 | |
| April 5, 2020, 10 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.27 ppb (3) | 10.0 μg/m3 (9) | 2.0 μg/m3 (8) | 16.0 | |
| April 5, 2020, 9 p.m. | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.28 ppb (3) | 8.0 μg/m3 (7) | -2.0 μg/m3 (0) | 15.0 | |
| April 5, 2020, 8 p.m. | N/A | N/A | 2.2 ppb (2) | N/A | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.28 ppb (3) | 6.0 μg/m3 (5) | 2.0 μg/m3 (8) | 12.0 | |
| April 5, 2020, 7 p.m. | N/A | N/A | 2.4 ppb (2) | N/A | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.28 ppb (3) | 6.0 μg/m3 (5) | 5.0 μg/m3 (21) | 21.0 | |
| April 5, 2020, 6 p.m. | N/A | N/A | 2.4 ppb (2) | N/A | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.29 ppb (3) | 5.0 μg/m3 (5) | 4.0 μg/m3 (17) | 17.0 | |
| April 5, 2020, 5 p.m. | N/A | N/A | 2.3 ppb (2) | N/A | N/A | 1.0 ppb (1) | 7.0 ppb (5) | 0.28 ppb (3) | 4.0 μg/m3 (4) | 6.0 μg/m3 (25) | 25.0 | |
| April 5, 2020, 4 p.m. | N/A | N/A | 2.3 ppb (2) | N/A | N/A | 1.0 ppb (1) | 6.0 ppb (5) | 0.28 ppb (3) | 6.0 μg/m3 (5) | -1.0 μg/m3 (0) | 5.0 | |
| April 5, 2020, 3 p.m. | N/A | N/A | 2.2 ppb (2) | N/A | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.28 ppb (3) | 5.0 μg/m3 (5) | 2.0 μg/m3 (8) | 8.0 | |
| April 5, 2020, 2 p.m. | N/A | N/A | 2.2 ppb (2) | N/A | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.26 ppb (3) | 3.0 μg/m3 (3) | 4.0 μg/m3 (17) | 17.0 | |
| April 5, 2020, 1 p.m. | N/A | N/A | 2.3 ppb (2) | N/A | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.27 ppb (3) | 4.0 μg/m3 (4) | 3.0 μg/m3 (12) | 12.0 | |
| April 5, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | N/A | N/A | N/A | 3.0 | |
| April 5, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (2) | N/A | N/A | N/A | 2.0 | |
| April 5, 2020, 10 a.m. | N/A | N/A | 3.8 ppb (4) | N/A | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.27 ppb (3) | 10.0 μg/m3 (9) | 1.0 μg/m3 (4) | 9.0 | |
| April 5, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.27 ppb (3) | 10.0 μg/m3 (9) | -1.0 μg/m3 (0) | 9.0 | |
| April 5, 2020, 8 a.m. | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.19 ppb (2) | 7.0 μg/m3 (6) | 3.0 μg/m3 (12) | 12.0 | |
| April 5, 2020, 7 a.m. | N/A | N/A | 3.3 ppb (3) | N/A | N/A | N/A | 5.0 ppb (4) | N/A | 8.0 μg/m3 (7) | N/A | 7.0 | |
| April 5, 2020, 6 a.m. | N/A | N/A | 3.7 ppb (3) | N/A | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.27 ppb (3) | 9.0 μg/m3 (8) | 1.0 μg/m3 (4) | 8.0 | |
| April 5, 2020, 5 a.m. | N/A | N/A | 3.4 ppb (3) | N/A | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.28 ppb (3) | 8.0 μg/m3 (7) | 0.0 μg/m3 (0) | 7.0 | |
| April 5, 2020, 4 a.m. | N/A | N/A | 3.3 ppb (3) | N/A | N/A | 1.0 ppb (1) | 6.0 ppb (5) | 0.27 ppb (3) | 9.0 μg/m3 (8) | 2.0 μg/m3 (8) | 8.0 | |
| April 5, 2020, 3 a.m. | N/A | N/A | 3.1 ppb (3) | N/A | N/A | 1.0 ppb (1) | 7.0 ppb (5) | 0.28 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| April 5, 2020, 2 a.m. | N/A | N/A | 2.9 ppb (3) | N/A | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.28 ppb (3) | 7.0 μg/m3 (6) | 2.1 μg/m3 (9) | 9.0 | |
| April 5, 2020, 1 a.m. | N/A | N/A | 2.6 ppb (2) | N/A | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.27 ppb (3) | 12.0 μg/m3 (11) | 2.0 μg/m3 (8) | 11.0 | |
| April 5, 2020, midnight | N/A | N/A | 2.5 ppb (2) | N/A | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.27 ppb (3) | 9.0 μg/m3 (8) | 3.0 μg/m3 (12) | 12.0 | |
| April 4, 2020, 11 p.m. | N/A | N/A | 2.3 ppb (2) | N/A | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.26 ppb (3) | 9.0 μg/m3 (8) | 4.9 μg/m3 (20) | 20.0 | |
| April 4, 2020, 10 p.m. | N/A | N/A | 2.2 ppb (2) | N/A | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.25 ppb (3) | 11.0 μg/m3 (10) | 3.1 μg/m3 (13) | 13.0 | |
| April 4, 2020, 9 p.m. | N/A | N/A | 2.2 ppb (2) | N/A | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.24 ppb (3) | 2.0 μg/m3 (2) | -0.8 μg/m3 (0) | 8.0 | |
| April 4, 2020, 8 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.24 ppb (3) | 3.0 μg/m3 (3) | -2.0 μg/m3 (0) | 8.0 | |
| April 4, 2020, 7 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.23 ppb (3) | 2.0 μg/m3 (2) | -1.1 μg/m3 (0) | 9.0 | |
| April 4, 2020, 6 p.m. | N/A | N/A | 1.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.23 ppb (3) | 6.0 μg/m3 (5) | 0.9 μg/m3 (4) | 9.0 | |
| April 4, 2020, 5 p.m. | N/A | N/A | 1.5 ppb (1) | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.23 ppb (3) | 8.0 μg/m3 (7) | 2.0 μg/m3 (8) | 10.0 | |
| April 4, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | N/A | N/A | 9.0 | |
| April 4, 2020, 3 p.m. | N/A | N/A | 1.4 ppb (1) | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.24 ppb (3) | 6.0 μg/m3 (5) | -0.9 μg/m3 (0) | 10.0 | |
| April 4, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | N/A | N/A | 11.0 | |
| April 4, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | N/A | N/A | 11.0 | |
| April 4, 2020, noon | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.23 ppb (3) | 3.0 μg/m3 (3) | 0.9 μg/m3 (4) | 12.0 | |
| April 4, 2020, 11 a.m. | N/A | N/A | 2.1 ppb (2) | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.25 ppb (3) | 4.0 μg/m3 (4) | 0.1 μg/m3 (0) | 10.0 | |
| April 4, 2020, 10 a.m. | N/A | N/A | 2.1 ppb (2) | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.23 ppb (3) | 4.0 μg/m3 (4) | -1.0 μg/m3 (0) | 9.0 | |
| April 4, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | N/A | N/A | N/A | 8.0 | |
| April 4, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | N/A | N/A | 8.0 | |
| April 4, 2020, 7 a.m. | N/A | N/A | 2.7 ppb (3) | N/A | N/A | N/A | 11.0 ppb (8) | N/A | 5.0 μg/m3 (5) | 3.0 μg/m3 (12) | 12.0 | |
| April 4, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | N/A | N/A | 9.0 | |
| April 4, 2020, 5 a.m. | N/A | N/A | 2.8 ppb (3) | N/A | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.25 ppb (3) | 3.0 μg/m3 (3) | 1.2 μg/m3 (5) | 8.0 | |
| April 4, 2020, 4 a.m. | N/A | N/A | 2.5 ppb (2) | N/A | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.24 ppb (3) | 4.0 μg/m3 (4) | 0.1 μg/m3 (0) | 8.0 | |
| April 4, 2020, 3 a.m. | N/A | N/A | 2.3 ppb (2) | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.25 ppb (3) | 6.0 μg/m3 (5) | -1.0 μg/m3 (0) | 9.0 | |
| April 4, 2020, 2 a.m. | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.24 ppb (3) | 3.0 μg/m3 (3) | -0.1 μg/m3 (0) | 9.0 | |
| April 4, 2020, 1 a.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.22 ppb (2) | 4.0 μg/m3 (4) | 1.0 μg/m3 (4) | 10.0 | |
| April 4, 2020, midnight | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.21 ppb (2) | 4.0 μg/m3 (4) | 2.9 μg/m3 (12) | 12.0 | |
| April 3, 2020, 11 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.21 ppb (2) | 3.0 μg/m3 (3) | 4.0 μg/m3 (17) | 17.0 | |
| April 3, 2020, 10 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.22 ppb (2) | 3.0 μg/m3 (3) | 4.0 μg/m3 (17) | 17.0 | |
| April 3, 2020, 9 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.21 ppb (2) | 3.0 μg/m3 (3) | 2.1 μg/m3 (9) | 10.0 | |
| April 3, 2020, 8 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.21 ppb (2) | 3.0 μg/m3 (3) | 2.0 μg/m3 (8) | 8.0 | |
| April 3, 2020, 7 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.21 ppb (2) | 6.0 μg/m3 (5) | 2.0 μg/m3 (8) | 8.0 | |
| April 3, 2020, 6 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.22 ppb (2) | 4.0 μg/m3 (4) | 3.0 μg/m3 (12) | 12.0 | |
| April 3, 2020, 5 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 7.0 ppb (5) | 0.24 ppb (3) | 4.0 μg/m3 (4) | 4.0 μg/m3 (17) | 17.0 | |
| April 3, 2020, 4 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 6.0 ppb (5) | 0.27 ppb (3) | 7.0 μg/m3 (6) | 4.0 μg/m3 (17) | 17.0 | |
| April 3, 2020, 3 p.m. | N/A | N/A | 1.4 ppb (1) | N/A | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.27 ppb (3) | 6.0 μg/m3 (5) | 4.0 μg/m3 (17) | 18.0 | |
| April 3, 2020, 2 p.m. | N/A | N/A | 1.3 ppb (1) | N/A | N/A | 1.0 ppb (1) | 36.0 ppb (28) | 0.26 ppb (3) | 6.0 μg/m3 (5) | 3.1 μg/m3 (13) | 28.0 | |
| April 3, 2020, 1 p.m. | N/A | N/A | 1.3 ppb (1) | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.26 ppb (3) | 8.0 μg/m3 (7) | 4.0 μg/m3 (17) | 27.0 | |
| April 3, 2020, noon | N/A | N/A | 1.3 ppb (1) | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.26 ppb (3) | 8.0 μg/m3 (7) | 4.0 μg/m3 (17) | 27.0 | |
| April 3, 2020, 11 a.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 36.0 ppb (28) | 0.27 ppb (3) | 7.0 μg/m3 (6) | 7.8 μg/m3 (32) | 32.0 | |
| April 3, 2020, 10 a.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 37.0 ppb (28) | 0.27 ppb (3) | 6.0 μg/m3 (5) | 9.0 μg/m3 (38) | 38.0 | |
| April 3, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 38.0 ppb (29) | 0.27 ppb (3) | 7.0 μg/m3 (6) | 9.0 μg/m3 (38) | 38.0 | |
| April 3, 2020, 8 a.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 38.0 ppb (29) | 0.2 ppb (2) | 10.0 μg/m3 (9) | 10.9 μg/m3 (45) | 45.0 | |
| April 3, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | N/A | N/A | 31.0 | |
| April 3, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | N/A | N/A | 32.0 | |
| April 3, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | N/A | N/A | 33.0 | |
| April 3, 2020, 4 a.m. | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 1.0 ppb (1) | 44.0 ppb (34) | 0.25 ppb (3) | 10.0 μg/m3 (9) | 8.0 μg/m3 (33) | 34.0 | |
| April 3, 2020, 3 a.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 44.0 ppb (34) | 0.24 ppb (3) | 11.0 μg/m3 (10) | 9.0 μg/m3 (38) | 38.0 | |
| April 3, 2020, 2 a.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 45.0 ppb (35) | 0.24 ppb (3) | 15.0 μg/m3 (14) | 8.1 μg/m3 (34) | 35.0 | |
| April 3, 2020, 1 a.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 47.0 ppb (36) | 0.23 ppb (3) | 16.0 μg/m3 (15) | 5.2 μg/m3 (22) | 36.0 | |
| April 3, 2020, midnight | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 48.0 ppb (37) | 0.21 ppb (2) | 13.0 μg/m3 (12) | 3.1 μg/m3 (13) | 37.0 | |
| April 2, 2020, 11 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | 0.2 ppb (2) | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 38.0 | |
| April 2, 2020, 10 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | 0.23 ppb (3) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 38.0 | |
| April 2, 2020, 9 p.m. | N/A | N/A | 1.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 50.0 ppb (38) | 0.27 ppb (3) | 16.0 μg/m3 (15) | 7.9 μg/m3 (33) | 38.0 | |
| April 2, 2020, 8 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | 0.3 ppb (3) | 12.0 μg/m3 (11) | 5.2 μg/m3 (22) | 38.0 | |
| April 2, 2020, 7 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | 0.28 ppb (3) | 18.0 μg/m3 (16) | 3.1 μg/m3 (13) | 38.0 | |
| April 2, 2020, 6 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | 0.28 ppb (3) | 15.0 μg/m3 (14) | 5.9 μg/m3 (25) | 38.0 | |
| April 2, 2020, 5 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | 0.24 ppb (3) | 20.0 μg/m3 (18) | 5.1 μg/m3 (21) | 38.0 | |
| April 2, 2020, 4 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (35) | 0.23 ppb (3) | 19.0 μg/m3 (17) | 7.9 μg/m3 (33) | 35.0 | |
| April 2, 2020, 3 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 45.0 ppb (35) | 0.23 ppb (3) | 20.0 μg/m3 (18) | 6.1 μg/m3 (25) | 35.0 | |
| April 2, 2020, 2 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.22 ppb (2) | 13.0 μg/m3 (12) | 6.0 μg/m3 (25) | 34.0 | |
| April 2, 2020, 1 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.23 ppb (3) | 16.0 μg/m3 (15) | 7.0 μg/m3 (29) | 34.0 | |
| April 2, 2020, noon | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.23 ppb (3) | 14.0 μg/m3 (13) | 5.1 μg/m3 (21) | 33.0 | |
| April 2, 2020, 11 a.m. | N/A | N/A | 1.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.24 ppb (3) | 12.0 μg/m3 (11) | 6.0 μg/m3 (25) | 32.0 | |
| April 2, 2020, 10 a.m. | N/A | N/A | 1.4 ppb (1) | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.23 ppb (3) | 16.0 μg/m3 (15) | 3.2 μg/m3 (13) | 32.0 | |
| April 2, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.24 ppb (3) | 13.0 μg/m3 (12) | 4.9 μg/m3 (20) | 31.0 | |
| April 2, 2020, 8 a.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.19 ppb (2) | 21.0 μg/m3 (19) | 5.0 μg/m3 (21) | 31.0 | |
| April 2, 2020, 7 a.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 14.0 μg/m3 (13) | 6.9 μg/m3 (29) | 31.0 | |
| April 2, 2020, 6 a.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.25 ppb (3) | 16.0 μg/m3 (15) | 5.1 μg/m3 (21) | 32.0 | |
| April 2, 2020, 5 a.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 42.0 ppb (32) | 0.26 ppb (3) | 12.0 μg/m3 (11) | 5.0 μg/m3 (21) | 32.0 | |
| April 2, 2020, 4 a.m. | N/A | N/A | 2.1 ppb (2) | N/A | N/A | 1.0 ppb (1) | 41.0 ppb (32) | 0.26 ppb (3) | 16.0 μg/m3 (15) | 4.1 μg/m3 (17) | 32.0 | |
| April 2, 2020, 3 a.m. | N/A | N/A | 2.1 ppb (2) | N/A | N/A | 1.0 ppb (1) | 40.0 ppb (31) | 0.26 ppb (3) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 31.0 | |
| April 2, 2020, 2 a.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 42.0 ppb (32) | 0.3 ppb (3) | 10.0 μg/m3 (9) | 6.0 μg/m3 (25) | 32.0 | |
| April 2, 2020, 1 a.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 44.0 ppb (34) | 0.37 ppb (4) | 18.0 μg/m3 (16) | 6.0 μg/m3 (25) | 34.0 | |
| April 2, 2020, midnight | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 45.0 ppb (35) | 0.42 ppb (5) | 15.0 μg/m3 (14) | 1.3 μg/m3 (5) | 35.0 | |
| April 1, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | N/A | N/A | 36.0 | |
| April 1, 2020, 10 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | 0.29 ppb (3) | 11.0 μg/m3 (10) | 6.8 μg/m3 (28) | 38.0 | |
| April 1, 2020, 9 p.m. | N/A | N/A | 1.8 ppb (2) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | 0.29 ppb (3) | 11.0 μg/m3 (10) | 7.0 μg/m3 (29) | 38.0 | |
| April 1, 2020, 8 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 50.0 ppb (38) | 0.28 ppb (3) | 17.0 μg/m3 (15) | 7.0 μg/m3 (29) | 38.0 | |
| April 1, 2020, 7 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 50.0 ppb (38) | 0.32 ppb (4) | 17.0 μg/m3 (15) | 6.0 μg/m3 (25) | 38.0 | |
| April 1, 2020, 6 p.m. | N/A | N/A | 1.9 ppb (2) | N/A | N/A | 1.0 ppb (1) | 51.0 ppb (39) | 0.24 ppb (3) | 14.0 μg/m3 (13) | 8.0 μg/m3 (33) | 39.0 |