Ontario (Fontana Gateway) CA, US: 34.068114, -117.525796
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 6, 2020, 2 a.m. | 15.8 ppb (15) | 5.7 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 15.0 | |
| April 6, 2020, 1 a.m. | 17.8 ppb (16) | 7.5 ppb (7) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 16.0 | |
| April 6, 2020, midnight | 13.8 ppb (13) | 4.8 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 13.0 | |
| April 5, 2020, 11 p.m. | 12.5 ppb (12) | 4.0 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 12.0 | |
| April 5, 2020, 10 p.m. | 17.0 ppb (16) | 7.0 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 16.0 | |
| April 5, 2020, 9 p.m. | 16.9 ppb (16) | 7.1 ppb (7) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 16.0 | |
| April 5, 2020, 8 p.m. | 15.2 ppb (14) | 6.5 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 14.0 | |
| April 5, 2020, 7 p.m. | 13.8 ppb (13) | 5.5 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 13.0 | |
| April 5, 2020, 6 p.m. | 6.6 ppb (6) | 2.4 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 6.0 | |
| April 5, 2020, 5 p.m. | 6.6 ppb (6) | 2.4 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 6.0 | |
| April 5, 2020, 4 p.m. | 9.8 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | N/A | 9.0 | |
| April 5, 2020, 3 p.m. | 7.6 ppb (7) | 1.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 7.0 | |
| April 5, 2020, 2 p.m. | 13.8 ppb (13) | 3.2 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 13.0 | |
| April 5, 2020, 1 p.m. | 18.4 ppb (17) | 4.7 ppb (4) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 17.0 | |
| April 5, 2020, noon | 14.8 ppb (14) | 3.8 ppb (4) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 14.0 | |
| April 5, 2020, 11 a.m. | 13.5 ppb (12) | 4.1 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | N/A | 12.0 | |
| April 5, 2020, 10 a.m. | 12.3 ppb (11) | 4.0 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | N/A | 11.0 | |
| April 5, 2020, 9 a.m. | 12.7 ppb (12) | 2.4 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 12.0 | |
| April 5, 2020, 8 a.m. | 11.5 ppb (11) | 1.9 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 11.0 | |
| April 5, 2020, 7 a.m. | 7.1 ppb (7) | 0.5 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | N/A | 7.0 | |
| April 5, 2020, 6 a.m. | 16.7 ppb (15) | 3.7 ppb (3) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 15.0 | |
| April 5, 2020, 5 a.m. | 17.4 ppb (16) | 4.2 ppb (4) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 16.0 | |
| April 5, 2020, 4 a.m. | 16.0 ppb (15) | 5.3 ppb (5) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 15.0 | |
| April 5, 2020, 3 a.m. | 13.8 ppb (13) | 4.5 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 13.0 | |
| April 5, 2020, 2 a.m. | 14.9 ppb (14) | 4.7 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 14.0 | |
| April 5, 2020, 1 a.m. | 17.4 ppb (16) | 5.9 ppb (5) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 16.0 | |
| April 5, 2020, midnight | 15.3 ppb (14) | 5.8 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 14.0 | |
| April 4, 2020, 11 p.m. | 15.0 ppb (14) | 4.9 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 14.0 | |
| April 4, 2020, 10 p.m. | 14.7 ppb (14) | 5.3 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 14.0 | |
| April 4, 2020, 9 p.m. | 14.6 ppb (14) | 5.2 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 14.0 | |
| April 4, 2020, 8 p.m. | 17.3 ppb (16) | 6.4 ppb (6) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 16.0 | |
| April 4, 2020, 7 p.m. | 7.7 ppb (7) | 2.3 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 7.0 | |
| April 4, 2020, 6 p.m. | 10.7 ppb (10) | 3.7 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 10.0 | |
| April 4, 2020, 5 p.m. | 23.2 ppb (21) | 7.8 ppb (7) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 21.0 | |
| April 4, 2020, 4 p.m. | 34.2 ppb (32) | 11.8 ppb (11) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 32.0 | |
| April 4, 2020, 3 p.m. | 14.3 ppb (13) | 3.6 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 13.0 | |
| April 4, 2020, 2 p.m. | 24.5 ppb (23) | 5.0 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 23.0 | |
| April 4, 2020, 1 p.m. | 19.6 ppb (18) | 2.7 ppb (3) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 18.0 | |
| April 4, 2020, noon | 19.5 ppb (18) | 3.9 ppb (4) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 18.0 | |
| April 4, 2020, 11 a.m. | 32.0 ppb (30) | 9.8 ppb (9) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 30.0 | |
| April 4, 2020, 10 a.m. | 29.7 ppb (28) | 7.6 ppb (7) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 28.0 | |
| April 4, 2020, 9 a.m. | 16.1 ppb (15) | 1.3 ppb (1) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 15.0 | |
| April 4, 2020, 8 a.m. | 33.6 ppb (31) | 6.7 ppb (6) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 31.0 | |
| April 4, 2020, 7 a.m. | 32.6 ppb (30) | 7.5 ppb (7) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 30.0 | |
| April 4, 2020, 6 a.m. | 25.6 ppb (24) | 6.0 ppb (6) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 24.0 | |
| April 4, 2020, 5 a.m. | 30.5 ppb (28) | 8.7 ppb (8) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 28.0 | |
| April 4, 2020, 4 a.m. | 36.3 ppb (34) | 9.7 ppb (9) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 34.0 | |
| April 4, 2020, 3 a.m. | 33.8 ppb (31) | 9.8 ppb (9) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 31.0 | |
| April 4, 2020, 2 a.m. | 30.8 ppb (29) | 9.3 ppb (9) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 29.0 | |
| April 4, 2020, 1 a.m. | 32.6 ppb (30) | 10.1 ppb (9) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 30.0 | |
| April 4, 2020, midnight | 31.3 ppb (29) | 9.8 ppb (9) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 29.0 | |
| April 3, 2020, 11 p.m. | 33.4 ppb (31) | 11.2 ppb (10) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 31.0 | |
| April 3, 2020, 10 p.m. | 30.8 ppb (29) | 10.7 ppb (10) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 29.0 | |
| April 3, 2020, 9 p.m. | 33.3 ppb (31) | 13.0 ppb (12) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 31.0 | |
| April 3, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| April 3, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| April 3, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| April 3, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| April 3, 2020, 4 p.m. | 48.1 ppb (45) | 23.9 ppb (22) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 45.0 | |
| April 3, 2020, 3 p.m. | 57.4 ppb (54) | 28.4 ppb (26) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 54.0 | |
| April 3, 2020, 2 p.m. | 65.9 ppb (63) | 32.0 ppb (30) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 63.0 | |
| April 3, 2020, 1 p.m. | 54.9 ppb (51) | 22.2 ppb (21) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 51.0 | |
| April 3, 2020, noon | 51.6 ppb (48) | 21.4 ppb (20) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 48.0 | |
| April 3, 2020, 11 a.m. | 25.4 ppb (24) | 5.7 ppb (5) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 24.0 | |
| April 3, 2020, 10 a.m. | 21.4 ppb (20) | 4.8 ppb (4) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 20.0 | |
| April 3, 2020, 9 a.m. | 13.3 ppb (12) | 1.7 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 12.0 | |
| April 3, 2020, 8 a.m. | 12.1 ppb (11) | 2.0 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | N/A | 11.0 | |
| April 3, 2020, 7 a.m. | 10.8 ppb (10) | 1.0 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | N/A | 10.0 | |
| April 3, 2020, 6 a.m. | 25.2 ppb (23) | 5.2 ppb (5) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 23.0 | |
| April 3, 2020, 5 a.m. | 40.4 ppb (37) | 13.4 ppb (12) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 37.0 | |
| April 3, 2020, 4 a.m. | 33.0 ppb (31) | 11.3 ppb (10) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 31.0 | |
| April 3, 2020, 3 a.m. | 29.2 ppb (27) | 10.2 ppb (9) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 27.0 | |
| April 3, 2020, 2 a.m. | 32.1 ppb (30) | 11.6 ppb (11) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 30.0 | |
| April 3, 2020, 1 a.m. | 28.7 ppb (27) | 10.1 ppb (9) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 27.0 | |
| April 3, 2020, midnight | 31.5 ppb (29) | 11.1 ppb (10) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 29.0 | |
| April 2, 2020, 11 p.m. | 29.9 ppb (28) | 11.0 ppb (10) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 28.0 | |
| April 2, 2020, 10 p.m. | 23.8 ppb (22) | 8.8 ppb (8) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 22.0 | |
| April 2, 2020, 9 p.m. | 36.4 ppb (34) | 14.5 ppb (13) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 34.0 | |
| April 2, 2020, 8 p.m. | 14.1 ppb (13) | 4.6 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 13.0 | |
| April 2, 2020, 7 p.m. | 13.2 ppb (12) | 3.7 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 12.0 | |
| April 2, 2020, 6 p.m. | 22.8 ppb (21) | 9.0 ppb (8) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | N/A | 21.0 | |
| April 2, 2020, 5 p.m. | 59.3 ppb (56) | 30.6 ppb (28) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 56.0 | |
| April 2, 2020, 4 p.m. | 55.9 ppb (52) | 27.1 ppb (25) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 52.0 | |
| April 2, 2020, 3 p.m. | 14.2 ppb (13) | 2.5 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 13.0 | |
| April 2, 2020, 2 p.m. | 12.5 ppb (12) | 2.2 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | N/A | 12.0 | |
| April 2, 2020, 1 p.m. | 10.3 ppb (10) | 1.4 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.13 ppb (1) | N/A | N/A | 10.0 | |
| April 2, 2020, noon | 11.3 ppb (10) | 1.6 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.13 ppb (1) | N/A | N/A | 10.0 | |
| April 2, 2020, 11 a.m. | 36.4 ppb (34) | 13.5 ppb (12) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 34.0 | |
| April 2, 2020, 10 a.m. | 27.7 ppb (26) | 8.2 ppb (8) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 26.0 | |
| April 2, 2020, 9 a.m. | 32.5 ppb (30) | 13.7 ppb (13) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 30.0 | |
| April 2, 2020, 8 a.m. | 29.9 ppb (28) | 11.7 ppb (11) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 28.0 | |
| April 2, 2020, 7 a.m. | 23.7 ppb (22) | 8.8 ppb (8) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 22.0 | |
| April 2, 2020, 6 a.m. | 32.7 ppb (30) | 11.8 ppb (11) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 30.0 | |
| April 2, 2020, 5 a.m. | 14.6 ppb (14) | 1.3 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 14.0 | |
| April 2, 2020, 4 a.m. | 26.8 ppb (25) | 5.1 ppb (5) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 25.0 | |
| April 2, 2020, 3 a.m. | 28.8 ppb (27) | 8.2 ppb (8) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 27.0 | |
| April 2, 2020, 2 a.m. | 31.4 ppb (29) | 9.8 ppb (9) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 29.0 | |
| April 2, 2020, 1 a.m. | 31.1 ppb (29) | 11.4 ppb (11) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 29.0 | |
| April 2, 2020, midnight | 35.5 ppb (33) | 12.7 ppb (12) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 33.0 | |
| April 1, 2020, 11 p.m. | 26.8 ppb (25) | 8.2 ppb (8) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 25.0 | |
| April 1, 2020, 10 p.m. | 36.6 ppb (34) | 11.9 ppb (11) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 34.0 | |
| April 1, 2020, 9 p.m. | 41.8 ppb (39) | 13.7 ppb (13) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 39.0 | |
| April 1, 2020, 8 p.m. | 35.7 ppb (33) | 12.1 ppb (11) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 33.0 | |
| April 1, 2020, 7 p.m. | 41.7 ppb (39) | 15.1 ppb (14) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 39.0 | |
| April 1, 2020, 6 p.m. | 44.8 ppb (41) | 16.0 ppb (15) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 41.0 | |
| April 1, 2020, 5 p.m. | 71.7 ppb (69) | 32.3 ppb (30) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 69.0 | |
| April 1, 2020, 4 p.m. | 71.2 ppb (68) | 36.2 ppb (34) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 68.0 | |
| April 1, 2020, 3 p.m. | 132.3 ppb (106) | 87.0 ppb (85) | N/A | 45.0 ppb (42) | N/A | N/A | N/A | 0.74 ppb (8) | N/A | N/A | 106.0 | |
| April 1, 2020, 2 p.m. | 149.7 ppb (109) | 109.6 ppb (102) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.76 ppb (8) | N/A | N/A | 109.0 | |
| April 1, 2020, 1 p.m. | 122.7 ppb (104) | 86.4 ppb (84) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.66 ppb (7) | N/A | N/A | 104.0 | |
| April 1, 2020, noon | 72.5 ppb (70) | 40.9 ppb (38) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 70.0 | |
| April 1, 2020, 11 a.m. | 87.2 ppb (85) | 48.1 ppb (45) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | N/A | 85.0 | |
| April 1, 2020, 10 a.m. | 84.4 ppb (82) | 42.3 ppb (39) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 82.0 | |
| April 1, 2020, 9 a.m. | 61.2 ppb (58) | 18.1 ppb (17) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 58.0 | |
| April 1, 2020, 8 a.m. | 74.8 ppb (72) | 24.0 ppb (22) | N/A | 51.0 ppb (47) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 72.0 | |
| April 1, 2020, 7 a.m. | 66.1 ppb (63) | 16.9 ppb (16) | N/A | 49.0 ppb (45) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 63.0 | |
| April 1, 2020, 6 a.m. | 61.0 ppb (57) | 13.4 ppb (12) | N/A | 48.0 ppb (44) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 57.0 | |
| April 1, 2020, 5 a.m. | 46.9 ppb (43) | 5.2 ppb (5) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 43.0 | |
| April 1, 2020, 4 a.m. | 54.1 ppb (50) | 11.8 ppb (11) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 50.0 | |
| April 1, 2020, 3 a.m. | 55.5 ppb (52) | 15.2 ppb (14) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 52.0 | |
| April 1, 2020, 2 a.m. | 57.3 ppb (54) | 15.5 ppb (14) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 54.0 | |
| April 1, 2020, 1 a.m. | 58.5 ppb (55) | 14.5 ppb (13) | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 55.0 | |
| April 1, 2020, midnight | 53.6 ppb (50) | 14.0 ppb (13) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 50.0 | |
| March 31, 2020, 11 p.m. | 48.1 ppb (45) | 14.4 ppb (13) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 45.0 | |
| March 31, 2020, 10 p.m. | 58.6 ppb (55) | 21.2 ppb (20) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 55.0 | |
| March 31, 2020, 9 p.m. | 65.4 ppb (62) | 27.1 ppb (25) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 62.0 | |
| March 31, 2020, 8 p.m. | 75.3 ppb (73) | 33.7 ppb (31) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 73.0 | |
| March 31, 2020, 7 p.m. | 65.9 ppb (63) | 27.5 ppb (25) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 63.0 | |
| March 31, 2020, 6 p.m. | 73.6 ppb (71) | 34.2 ppb (32) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 71.0 | |
| March 31, 2020, 5 p.m. | 68.0 ppb (65) | 32.0 ppb (30) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 65.0 | |
| March 31, 2020, 4 p.m. | 88.5 ppb (87) | 48.8 ppb (45) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | N/A | 87.0 | |
| March 31, 2020, 3 p.m. | 81.9 ppb (80) | 46.5 ppb (43) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 80.0 | |
| March 31, 2020, 2 p.m. | 120.4 ppb (104) | 81.9 ppb (80) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | N/A | 104.0 | |
| March 31, 2020, 1 p.m. | 126.8 ppb (105) | 84.8 ppb (83) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | N/A | 105.0 | |
| March 31, 2020, noon | 70.1 ppb (67) | 33.6 ppb (31) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 67.0 | |
| March 31, 2020, 11 a.m. | 42.1 ppb (39) | 12.2 ppb (11) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 39.0 | |
| March 31, 2020, 10 a.m. | 41.6 ppb (39) | 10.0 ppb (9) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 39.0 | |
| March 31, 2020, 9 a.m. | 62.4 ppb (59) | 26.9 ppb (25) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 59.0 | |
| March 31, 2020, 4 a.m. | 37.3 ppb (35) | 7.7 ppb (7) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 35.0 | |
| March 31, 2020, 3 a.m. | 25.3 ppb (23) | 4.3 ppb (4) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 23.0 | |
| March 31, 2020, 2 a.m. | 43.6 ppb (40) | 10.2 ppb (9) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 40.0 | |
| March 31, 2020, 1 a.m. | 45.6 ppb (42) | 13.6 ppb (13) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 42.0 | |
| March 31, 2020, midnight | 40.8 ppb (38) | 13.7 ppb (13) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 38.0 | |
| March 30, 2020, 11 p.m. | 32.0 ppb (30) | 12.6 ppb (12) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 30.0 | |
| March 30, 2020, 10 p.m. | 34.3 ppb (32) | 13.2 ppb (12) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 32.0 | |
| March 30, 2020, 9 p.m. | 38.4 ppb (36) | 16.5 ppb (15) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 36.0 | |
| March 30, 2020, 8 p.m. | 33.0 ppb (31) | 13.4 ppb (12) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 31.0 | |
| March 30, 2020, 7 p.m. | 44.8 ppb (41) | 21.0 ppb (19) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 41.0 | |
| March 30, 2020, 6 p.m. | 49.3 ppb (46) | 23.9 ppb (22) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 46.0 | |
| March 30, 2020, 5 p.m. | 37.7 ppb (35) | 17.0 ppb (16) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 35.0 | |
| March 30, 2020, 4 p.m. | 54.9 ppb (51) | 28.2 ppb (26) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 51.0 | |
| March 30, 2020, 3 p.m. | 57.0 ppb (53) | 31.3 ppb (29) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 53.0 | |
| March 30, 2020, 2 p.m. | 88.8 ppb (87) | 60.8 ppb (57) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 87.0 | |
| March 30, 2020, 1 p.m. | 88.9 ppb (87) | 59.6 ppb (56) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 87.0 | |
| March 30, 2020, noon | 70.8 ppb (68) | 42.1 ppb (39) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 68.0 | |
| March 30, 2020, 11 a.m. | 50.8 ppb (47) | 24.8 ppb (23) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 47.0 | |
| March 30, 2020, 10 a.m. | 34.5 ppb (32) | 9.7 ppb (9) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 32.0 | |
| March 30, 2020, 9 a.m. | 23.7 ppb (22) | 5.4 ppb (5) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 22.0 | |
| March 30, 2020, 8 a.m. | 29.6 ppb (27) | 6.1 ppb (6) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 27.0 | |
| March 30, 2020, 7 a.m. | 25.7 ppb (24) | 3.1 ppb (3) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 24.0 | |
| March 30, 2020, 6 a.m. | 25.5 ppb (24) | 4.0 ppb (4) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 24.0 | |
| March 30, 2020, 5 a.m. | 20.7 ppb (19) | 5.4 ppb (5) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 19.0 | |
| March 30, 2020, 4 a.m. | 21.4 ppb (20) | 5.8 ppb (5) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 20.0 | |
| March 30, 2020, 3 a.m. | 20.4 ppb (19) | 6.4 ppb (6) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 19.0 | |
| March 30, 2020, 2 a.m. | 15.5 ppb (14) | 4.5 ppb (4) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 14.0 | |
| March 30, 2020, 1 a.m. | 17.3 ppb (16) | 5.6 ppb (5) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 16.0 | |
| March 30, 2020, midnight | 18.2 ppb (17) | 6.6 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 17.0 | |
| March 29, 2020, 11 p.m. | 16.5 ppb (15) | 5.6 ppb (5) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 15.0 |