Fontana CA, US: 34.0994, -117.5047
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 22, 2019, 7 p.m. | -1.3 ppb (0) | 0.5 ppb (0) | N/A | N/A | N/A | 0.0 ppb (0) | 56.0 ppb (43) | 0.12 ppb (1) | N/A | N/A | 43.0 | |
| Sept. 22, 2019, 6 p.m. | 0.5 ppb (0) | 1.1 ppb (1) | N/A | -1.0 ppb (0) | N/A | 0.0 ppb (0) | 53.0 ppb (41) | 0.12 ppb (1) | N/A | N/A | 41.0 | |
| Sept. 22, 2019, 5 p.m. | 0.3 ppb (0) | 0.8 ppb (1) | N/A | -1.0 ppb (0) | N/A | 0.0 ppb (0) | 50.0 ppb (38) | 0.13 ppb (1) | N/A | N/A | 38.0 | |
| Sept. 22, 2019, 4 p.m. | 13.4 ppb (12) | 3.5 ppb (3) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.27 ppb (3) | N/A | N/A | 27.0 | |
| Sept. 22, 2019, 3 p.m. | 17.9 ppb (17) | 4.0 ppb (4) | N/A | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.33 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 22, 2019, 2 p.m. | 27.0 ppb (25) | 8.7 ppb (8) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.5 ppb (6) | N/A | N/A | 25.0 | |
| Sept. 22, 2019, 1 p.m. | 25.6 ppb (24) | 0.9 ppb (1) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.37 ppb (4) | N/A | N/A | 24.0 | |
| Sept. 22, 2019, noon | 23.2 ppb (21) | 0.4 ppb (0) | N/A | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.27 ppb (3) | N/A | N/A | 21.0 | |
| Sept. 22, 2019, 11 a.m. | 20.2 ppb (19) | 0.9 ppb (1) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.29 ppb (3) | N/A | N/A | 19.0 | |
| Sept. 22, 2019, 10 a.m. | 23.6 ppb (22) | 3.5 ppb (3) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.37 ppb (4) | N/A | N/A | 22.0 | |
| Sept. 22, 2019, 9 a.m. | 21.5 ppb (20) | 0.4 ppb (0) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.55 ppb (6) | N/A | N/A | 20.0 | |
| Sept. 22, 2019, 8 a.m. | 20.7 ppb (19) | 0.6 ppb (1) | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.61 ppb (7) | N/A | N/A | 19.0 | |
| Sept. 22, 2019, 7 a.m. | 27.4 ppb (25) | 0.2 ppb (0) | N/A | 27.0 ppb (25) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.6 ppb (7) | N/A | N/A | 25.0 | |
| Sept. 22, 2019, 6 a.m. | 27.7 ppb (26) | 1.0 ppb (1) | N/A | 27.0 ppb (25) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.63 ppb (7) | N/A | N/A | 26.0 | |
| Sept. 22, 2019, 5 a.m. | 23.9 ppb (22) | 0.1 ppb (0) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.46 ppb (5) | N/A | N/A | 22.0 | |
| Sept. 22, 2019, 4 a.m. | 22.5 ppb (21) | 0.3 ppb (0) | N/A | 22.0 ppb (20) | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.39 ppb (4) | N/A | N/A | 25.0 | |
| Sept. 22, 2019, 3 a.m. | 17.6 ppb (16) | 2.4 ppb (2) | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 47.0 ppb (36) | 0.31 ppb (3) | N/A | N/A | 36.0 | |
| Sept. 22, 2019, 2 a.m. | 6.9 ppb (6) | 0.2 ppb (0) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 65.0 ppb (50) | 0.26 ppb (3) | N/A | N/A | 50.0 | |
| Sept. 22, 2019, 1 a.m. | 7.0 ppb (6) | 0.1 ppb (0) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 94.0 ppb (74) | 0.3 ppb (3) | N/A | N/A | 74.0 | |
| Sept. 22, 2019, midnight | 4.4 ppb (4) | 0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 100.0 ppb (79) | 0.28 ppb (3) | N/A | N/A | 79.0 | |
| Sept. 21, 2019, 11 p.m. | -0.2 ppb (0) | 0.3 ppb (0) | N/A | -1.0 ppb (0) | N/A | 1.0 ppb (1) | 79.0 ppb (62) | 0.17 ppb (2) | N/A | N/A | 62.0 | |
| Sept. 21, 2019, 10 p.m. | -0.1 ppb (0) | 0.4 ppb (0) | N/A | -1.0 ppb (0) | N/A | 1.0 ppb (1) | 75.0 ppb (58) | 0.15 ppb (2) | N/A | N/A | 58.0 | |
| Sept. 21, 2019, 9 p.m. | 1.1 ppb (1) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 73.0 ppb (57) | 0.16 ppb (2) | N/A | N/A | 57.0 | |
| Sept. 21, 2019, 8 p.m. | 2.1 ppb (2) | 0.9 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 66.0 ppb (51) | 0.2 ppb (2) | N/A | N/A | 51.0 | |
| Sept. 21, 2019, 7 p.m. | 8.2 ppb (8) | 2.1 ppb (2) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 60.0 ppb (46) | 0.25 ppb (3) | N/A | N/A | 46.0 | |
| Sept. 21, 2019, 6 p.m. | 19.2 ppb (18) | 4.5 ppb (4) | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 50.0 ppb (38) | 0.4 ppb (4) | N/A | N/A | 38.0 | |
| Sept. 21, 2019, 5 p.m. | 22.9 ppb (21) | 6.5 ppb (6) | N/A | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 40.0 ppb (31) | 0.41 ppb (5) | N/A | N/A | 31.0 | |
| Sept. 21, 2019, 4 p.m. | 21.6 ppb (20) | 7.2 ppb (7) | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.47 ppb (5) | N/A | N/A | 26.0 | |
| Sept. 21, 2019, 3 p.m. | 42.5 ppb (39) | 17.4 ppb (16) | N/A | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.44 ppb (5) | N/A | N/A | 39.0 | |
| Sept. 21, 2019, 2 p.m. | 48.4 ppb (45) | 23.5 ppb (22) | N/A | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 6.0 ppb (5) | 0.64 ppb (7) | N/A | N/A | 45.0 | |
| Sept. 21, 2019, 1 p.m. | 31.2 ppb (29) | 7.0 ppb (6) | N/A | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.51 ppb (6) | N/A | N/A | 29.0 | |
| Sept. 21, 2019, noon | 33.0 ppb (31) | 7.9 ppb (7) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.49 ppb (5) | N/A | N/A | 31.0 | |
| Sept. 21, 2019, 11 a.m. | 27.4 ppb (25) | 5.1 ppb (5) | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.49 ppb (5) | N/A | N/A | 25.0 | |
| Sept. 21, 2019, 10 a.m. | 33.5 ppb (31) | 9.0 ppb (8) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.56 ppb (6) | N/A | N/A | 31.0 | |
| Sept. 21, 2019, 9 a.m. | 37.3 ppb (35) | 11.2 ppb (10) | N/A | 26.0 ppb (24) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.62 ppb (7) | N/A | N/A | 35.0 | |
| Sept. 21, 2019, 8 a.m. | 41.0 ppb (38) | 12.6 ppb (12) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.64 ppb (7) | N/A | N/A | 38.0 | |
| Sept. 21, 2019, 7 a.m. | 24.9 ppb (23) | 0.9 ppb (1) | N/A | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 6.0 ppb (5) | 0.42 ppb (5) | N/A | N/A | 23.0 | |
| Sept. 21, 2019, 6 a.m. | 24.2 ppb (22) | 0.5 ppb (0) | N/A | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.36 ppb (4) | N/A | N/A | 22.0 | |
| Sept. 21, 2019, 5 a.m. | 17.7 ppb (16) | 0.1 ppb (0) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.29 ppb (3) | N/A | N/A | 17.0 | |
| Sept. 21, 2019, 4 a.m. | 12.3 ppb (11) | 0.3 ppb (0) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.29 ppb (3) | N/A | N/A | 22.0 | |
| Sept. 21, 2019, 3 a.m. | 11.1 ppb (10) | 0.1 ppb (0) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.25 ppb (3) | N/A | N/A | 27.0 | |
| Sept. 21, 2019, 2 a.m. | 8.4 ppb (8) | 0.2 ppb (0) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 43.0 ppb (33) | 0.22 ppb (2) | N/A | N/A | 33.0 | |
| Sept. 21, 2019, 1 a.m. | 9.3 ppb (9) | 0.5 ppb (0) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 48.0 ppb (37) | 0.25 ppb (3) | N/A | N/A | 37.0 | |
| Sept. 21, 2019, midnight | 7.0 ppb (6) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 60.0 ppb (46) | 0.24 ppb (3) | N/A | N/A | 46.0 | |
| Sept. 20, 2019, 11 p.m. | 3.0 ppb (3) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 67.0 ppb (52) | 0.18 ppb (2) | N/A | N/A | 52.0 | |
| Sept. 20, 2019, 10 p.m. | 3.2 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 66.0 ppb (51) | 0.18 ppb (2) | N/A | N/A | 51.0 | |
| Sept. 20, 2019, 9 p.m. | 3.6 ppb (3) | 1.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 60.0 ppb (46) | 0.18 ppb (2) | N/A | N/A | 46.0 | |
| Sept. 20, 2019, 8 p.m. | 6.4 ppb (6) | 2.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 53.0 ppb (41) | 0.19 ppb (2) | N/A | N/A | 41.0 | |
| Sept. 20, 2019, 7 p.m. | 9.6 ppb (9) | 3.3 ppb (3) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.21 ppb (2) | N/A | N/A | 34.0 | |
| Sept. 20, 2019, 6 p.m. | 12.0 ppb (11) | 5.2 ppb (5) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.21 ppb (2) | N/A | N/A | 27.0 | |
| Sept. 20, 2019, 5 p.m. | 11.6 ppb (11) | 5.4 ppb (5) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.21 ppb (2) | N/A | N/A | 23.0 | |
| Sept. 20, 2019, 4 p.m. | 10.2 ppb (9) | 5.0 ppb (5) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.18 ppb (2) | N/A | N/A | 22.0 | |
| Sept. 19, 2019, 4 p.m. | 15.2 ppb (14) | 6.7 ppb (6) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.25 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 19, 2019, 3 p.m. | 16.8 ppb (16) | 5.7 ppb (5) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.26 ppb (3) | N/A | N/A | 16.0 | |
| Sept. 19, 2019, 2 p.m. | 12.2 ppb (11) | 2.0 ppb (2) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.24 ppb (3) | N/A | N/A | 11.0 | |
| Sept. 19, 2019, 1 p.m. | 22.9 ppb (21) | 6.0 ppb (6) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.35 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 19, 2019, noon | 23.9 ppb (22) | 6.1 ppb (6) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.35 ppb (4) | N/A | N/A | 22.0 | |
| Sept. 19, 2019, 11 a.m. | 29.3 ppb (27) | 12.0 ppb (11) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.36 ppb (4) | N/A | N/A | 27.0 | |
| Sept. 19, 2019, 10 a.m. | 26.7 ppb (25) | 9.4 ppb (9) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.36 ppb (4) | N/A | N/A | 25.0 | |
| Sept. 19, 2019, 9 a.m. | 24.6 ppb (23) | 5.8 ppb (5) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.31 ppb (3) | N/A | N/A | 23.0 | |
| Sept. 19, 2019, 8 a.m. | 19.9 ppb (18) | 2.8 ppb (3) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.3 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 19, 2019, 7 a.m. | 17.0 ppb (16) | 0.7 ppb (1) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.25 ppb (3) | N/A | N/A | 16.0 | |
| Sept. 19, 2019, 6 a.m. | 13.6 ppb (13) | 0.3 ppb (0) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.24 ppb (3) | N/A | N/A | 13.0 | |
| Sept. 19, 2019, 5 a.m. | 9.9 ppb (9) | 0.1 ppb (0) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.23 ppb (3) | N/A | N/A | 13.0 | |
| Sept. 19, 2019, 4 a.m. | 9.9 ppb (9) | 0.2 ppb (0) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.19 ppb (2) | N/A | N/A | 15.0 | |
| Sept. 19, 2019, 3 a.m. | 8.1 ppb (8) | 0.5 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.15 ppb (2) | N/A | N/A | 17.0 | |
| Sept. 19, 2019, 2 a.m. | 6.1 ppb (6) | 0.4 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.15 ppb (2) | N/A | N/A | 23.0 | |
| Sept. 19, 2019, 1 a.m. | 4.2 ppb (4) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 45.0 ppb (35) | 0.15 ppb (2) | N/A | N/A | 35.0 | |
| Sept. 19, 2019, midnight | 1.8 ppb (2) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 62.0 ppb (48) | 0.16 ppb (2) | N/A | N/A | 48.0 | |
| Sept. 18, 2019, 11 p.m. | 1.6 ppb (1) | 0.6 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 68.0 ppb (52) | 0.16 ppb (2) | N/A | N/A | 52.0 | |
| Sept. 18, 2019, 10 p.m. | 1.7 ppb (2) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 72.0 ppb (56) | 0.16 ppb (2) | N/A | N/A | 56.0 | |
| Sept. 18, 2019, 9 p.m. | 3.3 ppb (3) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 71.0 ppb (55) | 0.17 ppb (2) | N/A | N/A | 55.0 | |
| Sept. 18, 2019, 8 p.m. | 4.6 ppb (4) | 1.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 62.0 ppb (48) | 0.15 ppb (2) | N/A | N/A | 48.0 | |
| Sept. 18, 2019, 7 p.m. | 10.0 ppb (9) | 2.9 ppb (3) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 50.0 ppb (38) | 0.19 ppb (2) | N/A | N/A | 38.0 | |
| Sept. 18, 2019, 6 p.m. | 21.0 ppb (19) | 6.6 ppb (6) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 39.0 ppb (30) | 0.25 ppb (3) | N/A | N/A | 30.0 | |
| Sept. 18, 2019, 5 p.m. | 21.9 ppb (20) | 7.7 ppb (7) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 33.0 ppb (25) | 0.27 ppb (3) | N/A | N/A | 25.0 | |
| Sept. 18, 2019, 4 p.m. | 40.2 ppb (37) | 16.4 ppb (15) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.38 ppb (4) | N/A | N/A | 37.0 | |
| Sept. 18, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 18, 2019, 2 p.m. | 60.0 ppb (56) | 36.1 ppb (33) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.67 ppb (7) | N/A | N/A | 56.0 | |
| Sept. 18, 2019, 1 p.m. | 44.5 ppb (41) | 22.4 ppb (21) | N/A | 22.0 ppb (20) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.61 ppb (7) | N/A | N/A | 41.0 | |
| Sept. 18, 2019, noon | 35.3 ppb (33) | 12.0 ppb (11) | N/A | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.43 ppb (5) | N/A | N/A | 33.0 | |
| Sept. 18, 2019, 11 a.m. | 28.8 ppb (27) | 7.6 ppb (7) | N/A | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.34 ppb (4) | N/A | N/A | 27.0 | |
| Sept. 18, 2019, 10 a.m. | 23.4 ppb (22) | 2.5 ppb (2) | N/A | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.34 ppb (4) | N/A | N/A | 22.0 | |
| Sept. 18, 2019, 9 a.m. | 26.5 ppb (25) | 2.3 ppb (2) | N/A | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.31 ppb (3) | N/A | N/A | 25.0 | |
| Sept. 18, 2019, 8 a.m. | 27.6 ppb (26) | 2.1 ppb (2) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.31 ppb (3) | N/A | N/A | 26.0 | |
| Sept. 18, 2019, 7 a.m. | 26.7 ppb (25) | 1.0 ppb (1) | N/A | 26.0 ppb (24) | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.3 ppb (3) | N/A | N/A | 25.0 | |
| Sept. 18, 2019, 6 a.m. | 21.4 ppb (20) | 0.2 ppb (0) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.27 ppb (3) | N/A | N/A | 20.0 | |
| Sept. 18, 2019, 5 a.m. | 10.0 ppb (9) | 0.2 ppb (0) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.18 ppb (2) | N/A | N/A | 22.0 | |
| Sept. 18, 2019, 4 a.m. | 10.3 ppb (10) | 0.1 ppb (0) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.23 ppb (3) | N/A | N/A | 26.0 | |
| Sept. 18, 2019, 3 a.m. | 8.1 ppb (8) | 0.1 ppb (0) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.16 ppb (2) | N/A | N/A | 20.0 | |
| Sept. 18, 2019, 2 a.m. | 6.1 ppb (6) | 0.3 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.13 ppb (1) | N/A | N/A | 22.0 | |
| Sept. 18, 2019, midnight | 0.7 ppb (1) | 0.3 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 66.0 ppb (51) | 0.16 ppb (2) | N/A | N/A | 51.0 | |
| Sept. 17, 2019, 11 p.m. | 1.2 ppb (1) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 70.0 ppb (54) | 0.17 ppb (2) | N/A | N/A | 54.0 | |
| Sept. 17, 2019, 10 p.m. | 0.4 ppb (0) | 0.6 ppb (1) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 64.0 ppb (49) | 0.14 ppb (2) | N/A | N/A | 49.0 | |
| Sept. 17, 2019, 9 p.m. | -0.5 ppb (0) | 0.6 ppb (1) | N/A | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (44) | 0.13 ppb (1) | N/A | N/A | 44.0 | |
| Sept. 17, 2019, 8 p.m. | 1.9 ppb (2) | 1.5 ppb (1) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 48.0 ppb (37) | 0.12 ppb (1) | N/A | N/A | 37.0 | |
| Sept. 17, 2019, 7 p.m. | 9.4 ppb (9) | 4.2 ppb (4) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.14 ppb (2) | N/A | N/A | 30.0 | |
| Sept. 17, 2019, 6 p.m. | 14.3 ppb (13) | 6.4 ppb (6) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.16 ppb (2) | N/A | N/A | 25.0 | |
| Sept. 17, 2019, 5 p.m. | 13.5 ppb (12) | 6.1 ppb (6) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.18 ppb (2) | N/A | N/A | 25.0 | |
| Sept. 17, 2019, 4 p.m. | 36.8 ppb (34) | 18.2 ppb (17) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.3 ppb (3) | N/A | N/A | 34.0 | |
| Sept. 17, 2019, 3 p.m. | 39.9 ppb (37) | 20.5 ppb (19) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.36 ppb (4) | N/A | N/A | 37.0 | |
| Sept. 17, 2019, 2 p.m. | 70.7 ppb (68) | 48.3 ppb (45) | N/A | 23.0 ppb (21) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.77 ppb (9) | N/A | N/A | 68.0 | |
| Sept. 17, 2019, 1 p.m. | 63.2 ppb (60) | 45.4 ppb (42) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.64 ppb (7) | N/A | N/A | 60.0 | |
| Sept. 17, 2019, noon | 37.2 ppb (34) | 20.4 ppb (19) | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.53 ppb (6) | N/A | N/A | 34.0 | |
| Sept. 17, 2019, 11 a.m. | 32.4 ppb (30) | 14.6 ppb (14) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.47 ppb (5) | N/A | N/A | 30.0 | |
| Sept. 17, 2019, 10 a.m. | 25.0 ppb (23) | 7.0 ppb (6) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.34 ppb (4) | N/A | N/A | 23.0 | |
| Sept. 17, 2019, 9 a.m. | 18.1 ppb (17) | 0.8 ppb (1) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.25 ppb (3) | N/A | N/A | 17.0 | |
| Sept. 17, 2019, 8 a.m. | 16.3 ppb (15) | 0.2 ppb (0) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.24 ppb (3) | N/A | N/A | 15.0 | |
| Sept. 17, 2019, 7 a.m. | 12.3 ppb (11) | -0.1 ppb (0) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.21 ppb (2) | N/A | N/A | 12.0 | |
| Sept. 17, 2019, 6 a.m. | 7.8 ppb (7) | -0.2 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.21 ppb (2) | N/A | N/A | 15.0 | |
| Sept. 17, 2019, 5 a.m. | 8.6 ppb (8) | -0.3 ppb (0) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.23 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 17, 2019, 4 a.m. | 8.2 ppb (8) | -0.1 ppb (0) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.25 ppb (3) | N/A | N/A | 20.0 | |
| Sept. 17, 2019, 3 a.m. | 8.7 ppb (8) | 0.1 ppb (0) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.21 ppb (2) | N/A | N/A | 24.0 | |
| Sept. 17, 2019, 2 a.m. | 7.8 ppb (7) | 0.0 ppb (0) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.14 ppb (2) | N/A | N/A | 24.0 | |
| Sept. 17, 2019, 1 a.m. | 2.6 ppb (2) | 0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.11 ppb (1) | N/A | N/A | 31.0 | |
| Sept. 17, 2019, midnight | 0.8 ppb (1) | 0.4 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 52.0 ppb (40) | 0.12 ppb (1) | N/A | N/A | 40.0 | |
| Sept. 16, 2019, 11 p.m. | 0.4 ppb (0) | 0.5 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 58.0 ppb (45) | 0.11 ppb (1) | N/A | N/A | 45.0 | |
| Sept. 16, 2019, 10 p.m. | -0.3 ppb (0) | 0.5 ppb (0) | N/A | -1.0 ppb (0) | N/A | 1.0 ppb (1) | 57.0 ppb (44) | 0.11 ppb (1) | N/A | N/A | 44.0 | |
| Sept. 16, 2019, 9 p.m. | 1.2 ppb (1) | 0.7 ppb (1) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 58.0 ppb (45) | 0.15 ppb (2) | N/A | N/A | 45.0 | |
| Sept. 16, 2019, 8 p.m. | 5.5 ppb (5) | 1.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 63.0 ppb (48) | 0.21 ppb (2) | N/A | N/A | 48.0 | |
| Sept. 16, 2019, 7 p.m. | 9.2 ppb (9) | 2.6 ppb (2) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 54.0 ppb (42) | 0.19 ppb (2) | N/A | N/A | 42.0 | |
| Sept. 16, 2019, 6 p.m. | 17.6 ppb (16) | 4.5 ppb (4) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 47.0 ppb (36) | 0.25 ppb (3) | N/A | N/A | 36.0 | |
| Sept. 16, 2019, 5 p.m. | 14.8 ppb (14) | 4.2 ppb (4) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 45.0 ppb (35) | 0.23 ppb (3) | N/A | N/A | 35.0 | |
| Sept. 16, 2019, 4 p.m. | 33.9 ppb (31) | 12.3 ppb (11) | N/A | 22.0 ppb (20) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.37 ppb (4) | N/A | N/A | 31.0 | |
| Sept. 16, 2019, 3 p.m. | 47.0 ppb (44) | 18.5 ppb (17) | N/A | 29.0 ppb (27) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.5 ppb (6) | N/A | N/A | 44.0 | |
| Sept. 16, 2019, 2 p.m. | 71.5 ppb (69) | 43.6 ppb (40) | N/A | 28.0 ppb (26) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.72 ppb (8) | N/A | N/A | 69.0 | |
| Sept. 16, 2019, 1 p.m. | 74.2 ppb (71) | 51.4 ppb (48) | N/A | 23.0 ppb (21) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.74 ppb (8) | N/A | N/A | 71.0 | |
| Sept. 16, 2019, noon | 74.1 ppb (71) | 48.7 ppb (45) | N/A | 26.0 ppb (24) | N/A | 2.0 ppb (3) | 3.0 ppb (2) | 0.61 ppb (7) | N/A | N/A | 71.0 | |
| Sept. 16, 2019, 11 a.m. | 45.9 ppb (42) | 21.0 ppb (19) | N/A | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.45 ppb (5) | N/A | N/A | 42.0 | |
| Sept. 16, 2019, 10 a.m. | 29.3 ppb (27) | 4.9 ppb (5) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.39 ppb (4) | N/A | N/A | 27.0 | |
| Sept. 16, 2019, 9 a.m. | 26.1 ppb (24) | 1.3 ppb (1) | N/A | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.45 ppb (5) | N/A | N/A | 24.0 | |
| Sept. 16, 2019, 8 a.m. | 21.6 ppb (20) | 0.6 ppb (1) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.49 ppb (5) | N/A | N/A | 20.0 | |
| Sept. 16, 2019, 7 a.m. | 25.8 ppb (24) | 0.6 ppb (1) | N/A | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.52 ppb (6) | N/A | N/A | 24.0 | |
| Sept. 16, 2019, 6 a.m. | 23.1 ppb (21) | 1.6 ppb (1) | N/A | 22.0 ppb (20) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.47 ppb (5) | N/A | N/A | 21.0 | |
| Sept. 16, 2019, 5 a.m. | 32.4 ppb (30) | 7.5 ppb (7) | N/A | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.32 ppb (4) | N/A | N/A | 30.0 | |
| Sept. 16, 2019, 4 a.m. | 21.6 ppb (20) | 6.9 ppb (6) | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 29.0 ppb (22) | 0.23 ppb (3) | N/A | N/A | 22.0 | |
| Sept. 16, 2019, 3 a.m. | 8.9 ppb (8) | -0.2 ppb (0) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 42.0 ppb (32) | 0.18 ppb (2) | N/A | N/A | 32.0 | |
| Sept. 16, 2019, 2 a.m. | 9.6 ppb (9) | 1.5 ppb (1) | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 46.0 ppb (35) | 0.19 ppb (2) | N/A | N/A | 35.0 | |
| Sept. 16, 2019, 1 a.m. | 1.1 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 62.0 ppb (48) | 0.17 ppb (2) | N/A | N/A | 48.0 | |
| Sept. 16, 2019, midnight | -2.3 ppb (0) | -0.2 ppb (0) | N/A | N/A | N/A | 1.0 ppb (1) | 69.0 ppb (53) | 0.16 ppb (2) | N/A | N/A | 53.0 | |
| Sept. 15, 2019, 11 p.m. | -2.3 ppb (0) | 0.2 ppb (0) | N/A | N/A | N/A | 1.0 ppb (1) | 68.0 ppb (52) | 0.15 ppb (2) | N/A | N/A | 52.0 | |
| Sept. 15, 2019, 10 p.m. | -2.1 ppb (0) | 0.1 ppb (0) | N/A | N/A | N/A | 1.0 ppb (1) | 74.0 ppb (57) | 0.17 ppb (2) | N/A | N/A | 57.0 | |
| Sept. 15, 2019, 9 p.m. | -2.5 ppb (0) | 0.1 ppb (0) | N/A | N/A | N/A | 1.0 ppb (1) | 79.0 ppb (62) | 0.18 ppb (2) | N/A | N/A | 62.0 | |
| Sept. 15, 2019, 8 p.m. | -2.5 ppb (0) | 0.5 ppb (0) | N/A | N/A | N/A | 1.0 ppb (1) | 71.0 ppb (55) | 0.14 ppb (2) | N/A | N/A | 55.0 | |
| Sept. 15, 2019, 7 p.m. | 0.0 ppb (0) | 0.9 ppb (1) | N/A | -1.0 ppb (0) | N/A | 1.0 ppb (1) | 71.0 ppb (55) | 0.21 ppb (2) | N/A | N/A | 55.0 | |
| Sept. 15, 2019, 6 p.m. | 4.6 ppb (4) | 1.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 70.0 ppb (54) | 0.23 ppb (3) | N/A | N/A | 54.0 | |
| Sept. 15, 2019, 5 p.m. | 21.6 ppb (20) | 6.0 ppb (6) | N/A | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 61.0 ppb (47) | 0.3 ppb (3) | N/A | N/A | 47.0 | |
| Sept. 15, 2019, 4 p.m. | 11.1 ppb (10) | 2.0 ppb (2) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 59.0 ppb (45) | 0.33 ppb (4) | N/A | N/A | 45.0 | |
| Sept. 15, 2019, 3 p.m. | 14.4 ppb (13) | 2.7 ppb (3) | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 41.0 ppb (32) | 0.41 ppb (5) | N/A | N/A | 32.0 | |
| Sept. 15, 2019, 2 p.m. | 17.1 ppb (16) | 1.9 ppb (2) | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.53 ppb (6) | N/A | N/A | 18.0 | |
| Sept. 15, 2019, 1 p.m. | 18.9 ppb (18) | 0.1 ppb (0) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.47 ppb (5) | N/A | N/A | 18.0 | |
| Sept. 15, 2019, noon | 13.4 ppb (12) | -0.1 ppb (0) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.41 ppb (5) | N/A | N/A | 15.0 | |
| Sept. 15, 2019, 11 a.m. | 11.1 ppb (10) | -0.1 ppb (0) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.37 ppb (4) | N/A | N/A | 17.0 | |
| Sept. 15, 2019, 10 a.m. | 14.1 ppb (13) | -0.1 ppb (0) | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.48 ppb (5) | N/A | N/A | 18.0 | |
| Sept. 15, 2019, 9 a.m. | 21.9 ppb (20) | 0.0 ppb (0) | N/A | 22.0 ppb (20) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.71 ppb (8) | N/A | N/A | 20.0 | |
| Sept. 15, 2019, 8 a.m. | 24.0 ppb (22) | 0.3 ppb (0) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.81 ppb (9) | N/A | N/A | 22.0 | |
| Sept. 15, 2019, 7 a.m. | 19.4 ppb (18) | 0.0 ppb (0) | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.62 ppb (7) | N/A | N/A | 19.0 | |
| Sept. 15, 2019, 6 a.m. | 22.7 ppb (21) | 0.2 ppb (0) | N/A | 23.0 ppb (21) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.61 ppb (7) | N/A | N/A | 21.0 | |
| Sept. 15, 2019, 5 a.m. | 18.7 ppb (17) | 0.0 ppb (0) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.51 ppb (6) | N/A | N/A | 20.0 | |
| Sept. 15, 2019, 4 a.m. | 16.2 ppb (15) | -0.2 ppb (0) | N/A | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.36 ppb (4) | N/A | N/A | 26.0 | |
| Sept. 15, 2019, 3 a.m. | 10.0 ppb (9) | -0.2 ppb (0) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 49.0 ppb (38) | 0.32 ppb (4) | N/A | N/A | 38.0 | |
| Sept. 15, 2019, 2 a.m. | 7.2 ppb (7) | 0.0 ppb (0) | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 63.0 ppb (48) | 0.28 ppb (3) | N/A | N/A | 48.0 | |
| Sept. 15, 2019, 1 a.m. | 5.8 ppb (5) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 85.0 ppb (67) | 0.23 ppb (3) | N/A | N/A | 67.0 | |
| Sept. 15, 2019, midnight | 3.9 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | 114.0 ppb (91) | 0.28 ppb (3) | N/A | N/A | 91.0 | |
| Sept. 14, 2019, 11 p.m. | 0.9 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 115.0 ppb (92) | 0.29 ppb (3) | N/A | N/A | 92.0 | |
| Sept. 14, 2019, 10 p.m. | 0.3 ppb (0) | 0.1 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 110.0 ppb (88) | 0.29 ppb (3) | N/A | N/A | 88.0 | |
| Sept. 14, 2019, 9 p.m. | 0.5 ppb (0) | 0.1 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 107.0 ppb (85) | 0.24 ppb (3) | N/A | N/A | 85.0 | |
| Sept. 14, 2019, 8 p.m. | 0.0 ppb (0) | 0.5 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 91.0 ppb (72) | 0.19 ppb (2) | N/A | N/A | 72.0 |