Fontana (W End) CA, US: 34.100132, -117.491982
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 20, 2021, 9 a.m. | 41.3 ppb (39) | 6.5 ppb (7) | N/A | 35.0 ppb (34) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.43 ppb (5) | N/A | N/A | 39.0 | |
| April 20, 2021, 8 a.m. | 42.7 ppb (41) | 6.6 ppb (7) | N/A | 36.0 ppb (34) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.48 ppb (6) | N/A | N/A | 41.0 | |
| April 20, 2021, 7 a.m. | 40.3 ppb (39) | 3.1 ppb (3) | N/A | 37.0 ppb (35) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.44 ppb (5) | N/A | N/A | 39.0 | |
| April 20, 2021, 6 a.m. | 40.7 ppb (39) | 2.4 ppb (3) | N/A | 38.0 ppb (36) | N/A | 0.0 ppb (0) | 4.0 ppb (4) | 0.45 ppb (6) | N/A | N/A | 39.0 | |
| April 20, 2021, 5 a.m. | 26.5 ppb (25) | 0.8 ppb (1) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.28 ppb (4) | N/A | N/A | 25.0 | |
| April 20, 2021, 4 a.m. | 23.6 ppb (23) | 0.6 ppb (1) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.22 ppb (3) | N/A | N/A | 25.0 | |
| April 20, 2021, 3 a.m. | 21.5 ppb (21) | 0.8 ppb (1) | N/A | 21.0 ppb (20) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.19 ppb (3) | N/A | N/A | 32.0 | |
| April 20, 2021, 2 a.m. | 15.6 ppb (15) | 0.3 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.16 ppb (3) | N/A | N/A | 40.0 | |
| April 20, 2021, 1 a.m. | 11.6 ppb (11) | 0.7 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.14 ppb (2) | N/A | N/A | 50.0 | |
| April 20, 2021, midnight | 9.7 ppb (10) | 0.9 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 62.0 ppb (74) | 0.14 ppb (2) | N/A | N/A | 74.0 | |
| April 19, 2021, 11 p.m. | 10.4 ppb (10) | 1.2 ppb (2) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 65.0 ppb (84) | 0.16 ppb (3) | N/A | N/A | 84.0 | |
| April 19, 2021, 10 p.m. | 9.2 ppb (9) | 1.2 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 64.0 ppb (81) | 0.15 ppb (2) | N/A | N/A | 81.0 | |
| April 19, 2021, 9 p.m. | 9.1 ppb (9) | 1.1 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 67.0 ppb (91) | 0.16 ppb (3) | N/A | N/A | 91.0 | |
| April 19, 2021, 8 p.m. | 9.5 ppb (9) | 1.5 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 62.0 ppb (74) | 0.16 ppb (3) | N/A | N/A | 74.0 | |
| April 19, 2021, 7 p.m. | 10.4 ppb (10) | 1.9 ppb (2) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 56.0 ppb (55) | 0.13 ppb (2) | N/A | N/A | 55.0 | |
| April 19, 2021, 6 p.m. | 15.4 ppb (15) | 3.3 ppb (4) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.15 ppb (2) | N/A | N/A | 48.0 | |
| April 19, 2021, 5 p.m. | 37.4 ppb (36) | 10.9 ppb (11) | N/A | 27.0 ppb (26) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.26 ppb (4) | N/A | N/A | 36.0 | |
| April 19, 2021, 4 p.m. | 33.2 ppb (32) | 9.7 ppb (10) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.18 ppb (3) | N/A | N/A | 32.0 | |
| April 19, 2021, 3 p.m. | 43.2 ppb (41) | 13.8 ppb (14) | N/A | 30.0 ppb (29) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.36 ppb (5) | N/A | N/A | 41.0 | |
| April 19, 2021, 2 p.m. | 72.5 ppb (71) | 33.4 ppb (32) | N/A | 39.0 ppb (37) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | 0.75 ppb (10) | N/A | N/A | 71.0 | |
| April 19, 2021, 1 p.m. | 58.3 ppb (56) | 18.0 ppb (17) | N/A | 40.0 ppb (38) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.73 ppb (8) | N/A | N/A | 56.0 | |
| April 19, 2021, noon | 44.0 ppb (42) | 9.6 ppb (10) | N/A | 35.0 ppb (34) | N/A | 0.0 ppb (0) | 4.0 ppb (4) | 0.45 ppb (6) | N/A | N/A | 42.0 | |
| April 19, 2021, 11 a.m. | 30.1 ppb (29) | 1.7 ppb (2) | N/A | 28.0 ppb (27) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.33 ppb (4) | N/A | N/A | 29.0 | |
| April 19, 2021, 10 a.m. | 32.2 ppb (31) | 2.1 ppb (2) | N/A | 30.0 ppb (29) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | 0.36 ppb (5) | N/A | N/A | 31.0 | |
| April 19, 2021, 9 a.m. | 35.9 ppb (34) | 3.5 ppb (4) | N/A | 33.0 ppb (32) | N/A | 0.0 ppb (0) | 4.0 ppb (4) | 0.42 ppb (5) | N/A | N/A | 34.0 | |
| April 19, 2021, 8 a.m. | 38.3 ppb (37) | 3.0 ppb (3) | N/A | 35.0 ppb (34) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.55 ppb (7) | N/A | N/A | 37.0 | |
| April 19, 2021, 7 a.m. | 37.7 ppb (36) | 2.6 ppb (3) | N/A | 35.0 ppb (34) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.57 ppb (7) | N/A | N/A | 36.0 | |
| April 19, 2021, 6 a.m. | 41.2 ppb (39) | 7.1 ppb (7) | N/A | 34.0 ppb (33) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.65 ppb (8) | N/A | N/A | 39.0 | |
| April 19, 2021, 5 a.m. | 42.0 ppb (40) | 4.2 ppb (4) | N/A | 38.0 ppb (36) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.59 ppb (7) | N/A | N/A | 40.0 | |
| April 19, 2021, 4 a.m. | 25.1 ppb (24) | 0.8 ppb (1) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.44 ppb (5) | N/A | N/A | 24.0 | |
| April 19, 2021, 3 a.m. | 15.2 ppb (15) | 0.4 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.32 ppb (4) | N/A | N/A | 32.0 | |
| April 19, 2021, 2 a.m. | 7.8 ppb (8) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.19 ppb (3) | N/A | N/A | 48.0 | |
| April 19, 2021, 1 a.m. | 1.4 ppb (2) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.09 ppb (2) | N/A | N/A | 50.0 | |
| April 19, 2021, midnight | 1.8 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | 0.09 ppb (2) | N/A | N/A | 51.0 | |
| April 18, 2021, 11 p.m. | 1.6 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | 0.09 ppb (2) | N/A | N/A | 51.0 | |
| April 18, 2021, 10 p.m. | 2.2 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 54.0 ppb (50) | 0.1 ppb (2) | N/A | N/A | 50.0 | |
| April 18, 2021, 9 p.m. | 2.0 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.1 ppb (2) | N/A | N/A | 50.0 | |
| April 18, 2021, 8 p.m. | 1.7 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.1 ppb (2) | N/A | N/A | 49.0 | |
| April 18, 2021, 7 p.m. | 2.2 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | 0.1 ppb (2) | N/A | N/A | 47.0 | |
| April 18, 2021, 6 p.m. | 2.0 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.1 ppb (2) | N/A | N/A | 44.0 | |
| April 18, 2021, 5 p.m. | 2.3 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 45.0 ppb (42) | 0.1 ppb (2) | N/A | N/A | 42.0 | |
| April 18, 2021, 4 p.m. | 2.8 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.09 ppb (2) | N/A | N/A | 40.0 | |
| April 18, 2021, 3 p.m. | 3.2 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.1 ppb (2) | N/A | N/A | 39.0 | |
| April 18, 2021, 2 p.m. | 5.3 ppb (5) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.1 ppb (2) | N/A | N/A | 36.0 | |
| April 18, 2021, 1 p.m. | 4.3 ppb (5) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.11 ppb (2) | N/A | N/A | 34.0 | |
| April 18, 2021, noon | 7.2 ppb (7) | 0.2 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.1 ppb (2) | N/A | N/A | 33.0 | |
| April 18, 2021, 11 a.m. | 4.7 ppb (5) | 0.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.08 ppb (2) | N/A | N/A | 35.0 | |
| April 18, 2021, 10 a.m. | 4.2 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.08 ppb (2) | N/A | N/A | 37.0 | |
| April 18, 2021, 9 a.m. | 18.1 ppb (18) | 1.4 ppb (2) | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.28 ppb (4) | N/A | N/A | 20.0 | |
| April 18, 2021, 8 a.m. | 31.4 ppb (30) | 2.9 ppb (3) | N/A | 29.0 ppb (28) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.62 ppb (7) | N/A | N/A | 30.0 | |
| April 18, 2021, 7 a.m. | 28.7 ppb (28) | 1.6 ppb (2) | N/A | 27.0 ppb (26) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.56 ppb (7) | N/A | N/A | 28.0 | |
| April 18, 2021, 6 a.m. | 29.9 ppb (29) | 1.6 ppb (2) | N/A | 28.0 ppb (27) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.54 ppb (6) | N/A | N/A | 29.0 | |
| April 18, 2021, 5 a.m. | 24.8 ppb (24) | 1.0 ppb (1) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.36 ppb (5) | N/A | N/A | 24.0 | |
| April 18, 2021, 4 a.m. | 18.3 ppb (18) | 0.4 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.38 ppb (5) | N/A | N/A | 29.0 | |
| April 18, 2021, 3 a.m. | 18.9 ppb (18) | 0.5 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.31 ppb (4) | N/A | N/A | 38.0 | |
| April 18, 2021, 2 a.m. | 13.4 ppb (13) | 0.3 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.27 ppb (4) | N/A | N/A | 50.0 | |
| April 18, 2021, 1 a.m. | 11.5 ppb (11) | 0.5 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 67.0 ppb (91) | 0.24 ppb (3) | N/A | N/A | 91.0 | |
| April 18, 2021, midnight | 9.9 ppb (10) | 0.6 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 74.0 ppb (103) | 0.23 ppb (3) | N/A | N/A | 103.0 | |
| April 17, 2021, 11 p.m. | 6.9 ppb (7) | 0.4 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 75.0 ppb (104) | 0.17 ppb (3) | N/A | N/A | 104.0 | |
| April 17, 2021, 10 p.m. | 7.2 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 73.0 ppb (103) | 0.17 ppb (3) | N/A | N/A | 103.0 | |
| April 17, 2021, 9 p.m. | 7.6 ppb (8) | 0.7 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 67.0 ppb (91) | 0.16 ppb (3) | N/A | N/A | 91.0 | |
| April 17, 2021, 8 p.m. | 8.7 ppb (9) | 1.1 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 60.0 ppb (68) | 0.17 ppb (3) | N/A | N/A | 68.0 | |
| April 17, 2021, 7 p.m. | 12.9 ppb (13) | 2.3 ppb (3) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.19 ppb (3) | N/A | N/A | 48.0 | |
| April 17, 2021, 6 p.m. | 17.3 ppb (17) | 4.3 ppb (5) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.2 ppb (3) | N/A | N/A | 38.0 | |
| April 17, 2021, 5 p.m. | 16.2 ppb (16) | 4.4 ppb (5) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.17 ppb (3) | N/A | N/A | 33.0 | |
| April 17, 2021, 4 p.m. | 21.1 ppb (20) | 6.6 ppb (7) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.19 ppb (3) | N/A | N/A | 25.0 | |
| April 17, 2021, 3 p.m. | 18.3 ppb (18) | 3.7 ppb (4) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.18 ppb (3) | N/A | N/A | 21.0 | |
| April 17, 2021, 2 p.m. | 14.5 ppb (14) | 2.0 ppb (2) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.17 ppb (3) | N/A | N/A | 19.0 | |
| April 17, 2021, 1 p.m. | 11.8 ppb (12) | 1.2 ppb (2) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.17 ppb (3) | N/A | N/A | 18.0 | |
| April 17, 2021, noon | 13.7 ppb (13) | 1.0 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.2 ppb (3) | N/A | N/A | 15.0 | |
| April 17, 2021, 11 a.m. | 26.7 ppb (26) | 1.4 ppb (2) | N/A | 25.0 ppb (24) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.23 ppb (3) | N/A | N/A | 26.0 | |
| April 17, 2021, 10 a.m. | 27.4 ppb (26) | 1.9 ppb (2) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | 0.29 ppb (4) | N/A | N/A | 26.0 | |
| April 17, 2021, 9 a.m. | 23.5 ppb (23) | 1.2 ppb (2) | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.28 ppb (4) | N/A | N/A | 23.0 | |
| April 17, 2021, 8 a.m. | 19.4 ppb (19) | 1.1 ppb (2) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | 0.33 ppb (4) | N/A | N/A | 19.0 | |
| April 17, 2021, 7 a.m. | 17.2 ppb (17) | 0.8 ppb (1) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.24 ppb (3) | N/A | N/A | 17.0 | |
| April 17, 2021, 6 a.m. | 18.7 ppb (18) | 0.8 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.23 ppb (3) | N/A | N/A | 19.0 | |
| April 17, 2021, 5 a.m. | 19.6 ppb (19) | 0.8 ppb (1) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.22 ppb (3) | N/A | N/A | 23.0 | |
| April 17, 2021, 4 a.m. | 18.2 ppb (18) | 0.5 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.21 ppb (3) | N/A | N/A | 25.0 | |
| April 17, 2021, 3 a.m. | 18.3 ppb (18) | 0.5 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.17 ppb (3) | N/A | N/A | 30.0 | |
| April 17, 2021, 2 a.m. | 15.5 ppb (15) | 0.4 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.16 ppb (3) | N/A | N/A | 38.0 | |
| April 17, 2021, 1 a.m. | 14.5 ppb (14) | 1.0 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | 0.15 ppb (2) | N/A | N/A | 47.0 | |
| April 17, 2021, midnight | 14.4 ppb (14) | 1.5 ppb (2) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.16 ppb (3) | N/A | N/A | 49.0 | |
| April 16, 2021, 11 p.m. | 10.3 ppb (10) | 1.2 ppb (2) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 60.0 ppb (68) | 0.14 ppb (2) | N/A | N/A | 68.0 | |
| April 16, 2021, 10 p.m. | 9.1 ppb (9) | 0.9 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 68.0 ppb (94) | 0.18 ppb (3) | N/A | N/A | 94.0 | |
| April 16, 2021, 9 p.m. | 9.9 ppb (10) | 1.1 ppb (2) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 67.0 ppb (91) | 0.18 ppb (3) | N/A | N/A | 91.0 | |
| April 16, 2021, 8 p.m. | 11.2 ppb (11) | 1.5 ppb (2) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 60.0 ppb (68) | 0.17 ppb (3) | N/A | N/A | 68.0 | |
| April 16, 2021, 7 p.m. | 19.8 ppb (19) | 3.8 ppb (4) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | 0.24 ppb (3) | N/A | N/A | 47.0 | |
| April 16, 2021, 6 p.m. | 29.7 ppb (29) | 7.2 ppb (7) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.25 ppb (3) | N/A | N/A | 40.0 | |
| April 16, 2021, 5 p.m. | 53.9 ppb (51) | 19.8 ppb (19) | N/A | 34.0 ppb (33) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.36 ppb (5) | N/A | N/A | 51.0 | |
| April 16, 2021, 4 p.m. | 38.8 ppb (37) | 13.3 ppb (13) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.33 ppb (4) | N/A | N/A | 37.0 | |
| April 16, 2021, 3 p.m. | 36.5 ppb (35) | 12.2 ppb (12) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.32 ppb (4) | N/A | N/A | 35.0 | |
| April 16, 2021, 2 p.m. | 58.2 ppb (56) | 30.9 ppb (30) | N/A | 27.0 ppb (26) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | 0.64 ppb (7) | N/A | N/A | 56.0 | |
| April 16, 2021, 1 p.m. | 52.9 ppb (50) | 26.1 ppb (25) | N/A | 27.0 ppb (26) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.54 ppb (6) | N/A | N/A | 50.0 | |
| April 16, 2021, noon | 46.4 ppb (44) | 21.4 ppb (21) | N/A | 25.0 ppb (24) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.52 ppb (6) | N/A | N/A | 44.0 | |
| April 16, 2021, 11 a.m. | 33.1 ppb (32) | 7.6 ppb (8) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.4 ppb (5) | N/A | N/A | 32.0 | |
| April 16, 2021, 10 a.m. | 33.2 ppb (32) | 7.2 ppb (7) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.35 ppb (4) | N/A | N/A | 32.0 | |
| April 16, 2021, 9 a.m. | 26.8 ppb (26) | 4.1 ppb (4) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.3 ppb (4) | N/A | N/A | 26.0 | |
| April 16, 2021, 8 a.m. | 23.3 ppb (22) | 1.3 ppb (2) | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | 0.28 ppb (4) | N/A | N/A | 22.0 | |
| April 16, 2021, 7 a.m. | 16.9 ppb (16) | 1.0 ppb (1) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | 0.22 ppb (3) | N/A | N/A | 16.0 | |
| April 16, 2021, 6 a.m. | 15.8 ppb (15) | 0.5 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.2 ppb (3) | N/A | N/A | 19.0 | |
| April 16, 2021, 5 a.m. | 19.6 ppb (19) | 0.7 ppb (1) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.18 ppb (3) | N/A | N/A | 22.0 | |
| April 16, 2021, 4 a.m. | 14.2 ppb (14) | 0.5 ppb (1) | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.18 ppb (3) | N/A | N/A | 28.0 | |
| April 16, 2021, 3 a.m. | 15.1 ppb (15) | 0.5 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.15 ppb (2) | N/A | N/A | 34.0 | |
| April 16, 2021, 2 a.m. | 12.3 ppb (12) | 0.3 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.14 ppb (2) | N/A | N/A | 40.0 | |
| April 16, 2021, 1 a.m. | 10.7 ppb (11) | 0.7 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 49.0 ppb (46) | 0.13 ppb (2) | N/A | N/A | 46.0 | |
| April 16, 2021, midnight | 11.2 ppb (11) | 1.3 ppb (2) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.14 ppb (2) | N/A | N/A | 48.0 | |
| April 15, 2021, 11 p.m. | 12.7 ppb (12) | 1.9 ppb (2) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.17 ppb (3) | N/A | N/A | 50.0 | |
| April 15, 2021, 10 p.m. | 8.4 ppb (8) | 1.1 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 59.0 ppb (65) | 0.16 ppb (3) | N/A | N/A | 65.0 | |
| April 15, 2021, 9 p.m. | 8.7 ppb (9) | 1.4 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 56.0 ppb (55) | 0.14 ppb (2) | N/A | N/A | 55.0 | |
| April 15, 2021, 8 p.m. | 9.2 ppb (9) | 1.7 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.13 ppb (2) | N/A | N/A | 49.0 | |
| April 15, 2021, 7 p.m. | 11.5 ppb (11) | 2.6 ppb (3) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 46.0 ppb (43) | 0.14 ppb (2) | N/A | N/A | 43.0 | |
| April 15, 2021, 6 p.m. | 14.0 ppb (14) | 3.5 ppb (4) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.15 ppb (2) | N/A | N/A | 38.0 | |
| April 15, 2021, 5 p.m. | 15.1 ppb (15) | 4.1 ppb (4) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.14 ppb (2) | N/A | N/A | 36.0 | |
| April 15, 2021, 4 p.m. | 25.2 ppb (24) | 7.3 ppb (7) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.18 ppb (3) | N/A | N/A | 30.0 | |
| April 15, 2021, 3 p.m. | 32.5 ppb (31) | 9.7 ppb (10) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.21 ppb (3) | N/A | N/A | 31.0 | |
| April 15, 2021, 2 p.m. | 41.5 ppb (40) | 13.8 ppb (14) | N/A | 28.0 ppb (27) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | 0.31 ppb (4) | N/A | N/A | 40.0 | |
| April 15, 2021, 1 p.m. | 47.1 ppb (45) | 11.5 ppb (11) | N/A | 36.0 ppb (34) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.36 ppb (5) | N/A | N/A | 45.0 | |
| April 15, 2021, noon | 26.1 ppb (25) | 2.5 ppb (3) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.16 ppb (3) | N/A | N/A | 25.0 | |
| April 15, 2021, 11 a.m. | 9.8 ppb (10) | 0.3 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.09 ppb (2) | N/A | N/A | 34.0 | |
| April 15, 2021, 10 a.m. | 10.8 ppb (11) | 0.3 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.1 ppb (2) | N/A | N/A | 34.0 | |
| April 15, 2021, 9 a.m. | 5.4 ppb (6) | 0.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.08 ppb (2) | N/A | N/A | 38.0 | |
| April 15, 2021, 8 a.m. | 5.9 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.09 ppb (2) | N/A | N/A | 37.0 | |
| April 15, 2021, 7 a.m. | 5.1 ppb (5) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.09 ppb (2) | N/A | N/A | 38.0 | |
| April 15, 2021, 6 a.m. | 5.8 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.09 ppb (2) | N/A | N/A | 37.0 | |
| April 15, 2021, 5 a.m. | 9.5 ppb (9) | 0.3 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.1 ppb (2) | N/A | N/A | 34.0 | |
| April 15, 2021, 4 a.m. | 8.1 ppb (8) | 0.3 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.11 ppb (2) | N/A | N/A | 35.0 | |
| April 15, 2021, 3 a.m. | 7.2 ppb (7) | 0.2 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.09 ppb (2) | N/A | N/A | 38.0 | |
| April 15, 2021, 2 a.m. | 6.1 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.08 ppb (2) | N/A | N/A | 39.0 | |
| April 15, 2021, 1 a.m. | 6.9 ppb (7) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 45.0 ppb (42) | 0.09 ppb (2) | N/A | N/A | 42.0 | |
| April 15, 2021, midnight | 7.0 ppb (7) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | 0.1 ppb (2) | N/A | N/A | 47.0 | |
| April 14, 2021, 11 p.m. | 6.4 ppb (7) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | 0.12 ppb (2) | N/A | N/A | 51.0 | |
| April 14, 2021, 10 p.m. | 7.6 ppb (8) | 1.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | 0.13 ppb (2) | N/A | N/A | 51.0 | |
| April 14, 2021, 9 p.m. | 7.4 ppb (7) | 1.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.1 ppb (2) | N/A | N/A | 50.0 | |
| April 14, 2021, 8 p.m. | 9.3 ppb (9) | 1.7 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.12 ppb (2) | N/A | N/A | 45.0 | |
| April 14, 2021, 7 p.m. | 10.7 ppb (11) | 2.4 ppb (3) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.11 ppb (2) | N/A | N/A | 40.0 | |
| April 14, 2021, 6 p.m. | 9.7 ppb (10) | 2.0 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.13 ppb (2) | N/A | N/A | 39.0 | |
| April 14, 2021, 5 p.m. | 8.8 ppb (9) | 1.7 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.11 ppb (2) | N/A | N/A | 37.0 | |
| April 14, 2021, 4 p.m. | 9.0 ppb (9) | 1.6 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.12 ppb (2) | N/A | N/A | 37.0 | |
| April 14, 2021, 3 p.m. | 12.4 ppb (12) | 1.6 ppb (2) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.2 ppb (3) | N/A | N/A | 33.0 | |
| April 14, 2021, 2 p.m. | 11.3 ppb (11) | 0.8 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.11 ppb (2) | N/A | N/A | 31.0 | |
| April 14, 2021, 1 p.m. | 13.0 ppb (13) | 0.6 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.1 ppb (2) | N/A | N/A | 28.0 | |
| April 14, 2021, noon | 13.4 ppb (13) | 1.0 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.1 ppb (2) | N/A | N/A | 28.0 | |
| April 14, 2021, 11 a.m. | 9.3 ppb (9) | 0.6 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.08 ppb (2) | N/A | N/A | 31.0 | |
| April 14, 2021, 10 a.m. | 8.7 ppb (9) | 0.5 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.08 ppb (2) | N/A | N/A | 29.0 | |
| April 14, 2021, 9 a.m. | 8.7 ppb (9) | 0.3 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.11 ppb (2) | N/A | N/A | 28.0 | |
| April 14, 2021, 8 a.m. | 7.9 ppb (8) | 0.3 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.11 ppb (2) | N/A | N/A | 28.0 | |
| April 14, 2021, 7 a.m. | 6.9 ppb (7) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.1 ppb (2) | N/A | N/A | 30.0 | |
| April 14, 2021, 6 a.m. | 5.9 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.08 ppb (2) | N/A | N/A | 33.0 | |
| April 14, 2021, 5 a.m. | 6.6 ppb (7) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.08 ppb (2) | N/A | N/A | 34.0 | |
| April 14, 2021, 4 a.m. | 5.7 ppb (6) | 0.1 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.08 ppb (2) | N/A | N/A | 34.0 | |
| April 14, 2021, 3 a.m. | 7.1 ppb (7) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.08 ppb (2) | N/A | N/A | 33.0 | |
| April 14, 2021, 2 a.m. | 7.7 ppb (8) | 0.5 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.09 ppb (2) | N/A | N/A | 32.0 | |
| April 14, 2021, 1 a.m. | 7.7 ppb (8) | 0.5 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.08 ppb (2) | N/A | N/A | 33.0 | |
| April 14, 2021, midnight | 8.2 ppb (8) | 0.8 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.08 ppb (2) | N/A | N/A | 34.0 | |
| April 13, 2021, 11 p.m. | 8.2 ppb (8) | 0.6 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.12 ppb (2) | N/A | N/A | 38.0 | |
| April 13, 2021, 10 p.m. | 8.1 ppb (8) | 1.2 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.12 ppb (2) | N/A | N/A | 38.0 | |
| April 13, 2021, 9 p.m. | 8.4 ppb (8) | 1.9 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.11 ppb (2) | N/A | N/A | 38.0 | |
| April 13, 2021, 8 p.m. | 10.6 ppb (10) | 1.7 ppb (2) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.12 ppb (2) | N/A | N/A | 36.0 | |
| April 13, 2021, 7 p.m. | 10.1 ppb (10) | 1.6 ppb (2) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.12 ppb (2) | N/A | N/A | 36.0 | |
| April 13, 2021, 6 p.m. | 11.2 ppb (11) | 1.6 ppb (2) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.15 ppb (2) | N/A | N/A | 34.0 | |
| April 13, 2021, 5 p.m. | 12.4 ppb (12) | 1.5 ppb (2) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.12 ppb (2) | N/A | N/A | 31.0 | |
| April 13, 2021, 4 p.m. | 14.3 ppb (14) | 1.4 ppb (2) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.12 ppb (2) | N/A | N/A | 29.0 | |
| April 13, 2021, 3 p.m. | 13.8 ppb (14) | 1.5 ppb (2) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.12 ppb (2) | N/A | N/A | 29.0 | |
| April 13, 2021, 2 p.m. | 12.4 ppb (12) | 0.8 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.12 ppb (2) | N/A | N/A | 29.0 | |
| April 13, 2021, 1 p.m. | 10.1 ppb (10) | 0.5 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.11 ppb (2) | N/A | N/A | 30.0 | |
| April 13, 2021, noon | 8.1 ppb (8) | 0.4 ppb (1) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.1 ppb (2) | N/A | N/A | 33.0 | |
| April 13, 2021, 11 a.m. | 7.2 ppb (7) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.07 ppb (2) | N/A | N/A | 33.0 | |
| April 13, 2021, 10 a.m. | 7.2 ppb (7) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.09 ppb (2) | N/A | N/A | 33.0 |