Fontana CA, US: 34.0994, -117.5047
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 25, 2019, 11 p.m. | 15.7 ppb (15) | 2.3 ppb (2) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 65.0 ppb (50) | 0.27 ppb (3) | N/A | N/A | 50.0 | |
| March 25, 2019, 10 p.m. | 9.8 ppb (9) | 0.9 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 68.0 ppb (52) | 0.23 ppb (3) | N/A | N/A | 52.0 | |
| March 25, 2019, 9 p.m. | 9.8 ppb (9) | 1.1 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 67.0 ppb (52) | 0.23 ppb (3) | N/A | N/A | 52.0 | |
| March 25, 2019, 8 p.m. | 9.9 ppb (9) | 1.2 ppb (1) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 61.0 ppb (47) | 0.19 ppb (2) | N/A | N/A | 47.0 | |
| March 25, 2019, 7 p.m. | 12.9 ppb (12) | 2.5 ppb (2) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.19 ppb (2) | N/A | N/A | 42.0 | |
| March 25, 2019, 6 p.m. | 29.2 ppb (27) | 8.2 ppb (8) | N/A | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.26 ppb (3) | N/A | N/A | 32.0 | |
| March 25, 2019, 5 p.m. | 40.4 ppb (37) | 14.3 ppb (13) | N/A | 26.0 ppb (24) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.34 ppb (4) | N/A | N/A | 37.0 | |
| March 25, 2019, 4 p.m. | 36.5 ppb (34) | 12.9 ppb (12) | N/A | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.41 ppb (5) | N/A | N/A | 34.0 | |
| March 25, 2019, 3 p.m. | 40.9 ppb (38) | 16.2 ppb (15) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.5 ppb (6) | N/A | N/A | 38.0 | |
| March 25, 2019, 2 p.m. | 85.6 ppb (84) | 57.4 ppb (54) | N/A | 28.0 ppb (26) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.93 ppb (10) | N/A | N/A | 84.0 | |
| March 25, 2019, 1 p.m. | 75.3 ppb (73) | 47.8 ppb (44) | N/A | 27.0 ppb (25) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.75 ppb (8) | N/A | N/A | 73.0 | |
| March 25, 2019, noon | 56.2 ppb (52) | 29.1 ppb (27) | N/A | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.61 ppb (7) | N/A | N/A | 52.0 | |
| March 25, 2019, 11 a.m. | 36.4 ppb (34) | 12.3 ppb (11) | N/A | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.58 ppb (6) | N/A | N/A | 34.0 | |
| March 25, 2019, 10 a.m. | 34.7 ppb (32) | 10.6 ppb (10) | N/A | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.5 ppb (6) | N/A | N/A | 32.0 | |
| March 25, 2019, 9 a.m. | 34.9 ppb (32) | 8.6 ppb (8) | N/A | 26.0 ppb (24) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.46 ppb (5) | N/A | N/A | 32.0 | |
| March 25, 2019, 8 a.m. | 30.0 ppb (28) | 4.9 ppb (5) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.52 ppb (6) | N/A | N/A | 28.0 | |
| March 25, 2019, 7 a.m. | 31.8 ppb (29) | 3.0 ppb (3) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.39 ppb (4) | N/A | N/A | 29.0 | |
| March 25, 2019, 6 a.m. | 27.7 ppb (26) | 1.5 ppb (1) | N/A | 26.0 ppb (24) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.36 ppb (4) | N/A | N/A | 26.0 | |
| March 25, 2019, 5 a.m. | 17.0 ppb (16) | 0.5 ppb (0) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.31 ppb (3) | N/A | N/A | 23.0 | |
| March 25, 2019, 4 a.m. | 13.6 ppb (13) | 0.4 ppb (0) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.29 ppb (3) | N/A | N/A | 28.0 | |
| March 25, 2019, 3 a.m. | 13.2 ppb (12) | 0.4 ppb (0) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.23 ppb (3) | N/A | N/A | 32.0 | |
| March 25, 2019, 2 a.m. | 10.3 ppb (10) | 0.3 ppb (0) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.24 ppb (3) | N/A | N/A | 39.0 | |
| March 25, 2019, 1 a.m. | 5.2 ppb (5) | -0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 64.0 ppb (49) | 0.19 ppb (2) | N/A | N/A | 49.0 | |
| March 25, 2019, midnight | 4.1 ppb (4) | -0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 65.0 ppb (50) | 0.17 ppb (2) | N/A | N/A | 50.0 | |
| March 24, 2019, 11 p.m. | 4.3 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 63.0 ppb (48) | 0.16 ppb (2) | N/A | N/A | 48.0 | |
| March 24, 2019, 10 p.m. | 3.5 ppb (3) | -0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 60.0 ppb (46) | 0.14 ppb (2) | N/A | N/A | 46.0 | |
| March 24, 2019, 9 p.m. | 4.0 ppb (4) | 0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 58.0 ppb (45) | 0.15 ppb (2) | N/A | N/A | 45.0 | |
| March 24, 2019, 8 p.m. | 5.5 ppb (5) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 53.0 ppb (41) | 0.17 ppb (2) | N/A | N/A | 41.0 | |
| March 24, 2019, 7 p.m. | 7.4 ppb (7) | 1.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.16 ppb (2) | N/A | N/A | 36.0 | |
| March 24, 2019, 6 p.m. | 9.1 ppb (8) | 2.1 ppb (2) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.17 ppb (2) | N/A | N/A | 32.0 | |
| March 24, 2019, 5 p.m. | 8.5 ppb (8) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.17 ppb (2) | N/A | N/A | 28.0 | |
| March 24, 2019, 4 p.m. | 7.3 ppb (7) | 1.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.21 ppb (2) | N/A | N/A | 25.0 | |
| March 24, 2019, 3 p.m. | 11.9 ppb (11) | 3.0 ppb (3) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.23 ppb (3) | N/A | N/A | 18.0 | |
| March 24, 2019, 2 p.m. | 16.7 ppb (15) | 4.3 ppb (4) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.28 ppb (3) | N/A | N/A | 15.0 | |
| March 24, 2019, 1 p.m. | 11.9 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.23 ppb (3) | N/A | N/A | 11.0 | |
| March 24, 2019, noon | 10.5 ppb (10) | 0.7 ppb (1) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.21 ppb (2) | N/A | N/A | 10.0 | |
| March 24, 2019, 11 a.m. | 6.2 ppb (6) | 0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.12 ppb (1) | N/A | N/A | 20.0 | |
| March 24, 2019, 10 a.m. | 5.7 ppb (5) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.11 ppb (1) | N/A | N/A | 21.0 | |
| March 24, 2019, 9 a.m. | 4.3 ppb (4) | -0.4 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.1 ppb (1) | N/A | N/A | 25.0 | |
| March 24, 2019, 8 a.m. | 7.3 ppb (7) | 0.0 ppb (0) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.12 ppb (1) | N/A | N/A | 21.0 | |
| March 24, 2019, 7 a.m. | 7.3 ppb (7) | 0.0 ppb (0) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.13 ppb (1) | N/A | N/A | 23.0 | |
| March 24, 2019, 6 a.m. | 5.9 ppb (5) | -0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.14 ppb (2) | N/A | N/A | 24.0 | |
| March 24, 2019, 5 a.m. | 7.4 ppb (7) | 0.0 ppb (0) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.14 ppb (2) | N/A | N/A | 23.0 | |
| March 24, 2019, 4 a.m. | 9.3 ppb (9) | 0.0 ppb (0) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.16 ppb (2) | N/A | N/A | 21.0 | |
| March 24, 2019, 3 a.m. | 8.5 ppb (8) | 0.0 ppb (0) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.15 ppb (2) | N/A | N/A | 25.0 | |
| March 24, 2019, 2 a.m. | 6.5 ppb (6) | 0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.16 ppb (2) | N/A | N/A | 32.0 | |
| March 24, 2019, 1 a.m. | 5.6 ppb (5) | -0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 49.0 ppb (38) | 0.14 ppb (2) | N/A | N/A | 38.0 | |
| March 24, 2019, midnight | 5.6 ppb (5) | -0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.17 ppb (2) | N/A | N/A | 39.0 | |
| March 23, 2019, 11 p.m. | 5.8 ppb (5) | -0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 55.0 ppb (42) | 0.18 ppb (2) | N/A | N/A | 42.0 | |
| March 23, 2019, 10 p.m. | 4.8 ppb (4) | 0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 57.0 ppb (44) | 0.15 ppb (2) | N/A | N/A | 44.0 | |
| March 23, 2019, 9 p.m. | 4.8 ppb (4) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 53.0 ppb (41) | 0.14 ppb (2) | N/A | N/A | 41.0 | |
| March 23, 2019, 8 p.m. | 5.7 ppb (5) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.16 ppb (2) | N/A | N/A | 37.0 | |
| March 23, 2019, 7 p.m. | 8.1 ppb (8) | 1.4 ppb (1) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 45.0 ppb (35) | 0.17 ppb (2) | N/A | N/A | 35.0 | |
| March 23, 2019, 6 p.m. | 10.5 ppb (10) | 1.7 ppb (2) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.19 ppb (2) | N/A | N/A | 30.0 | |
| March 23, 2019, 5 p.m. | 13.0 ppb (12) | 2.2 ppb (2) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.22 ppb (2) | N/A | N/A | 25.0 | |
| March 23, 2019, 4 p.m. | 21.9 ppb (20) | 4.7 ppb (4) | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.36 ppb (4) | N/A | N/A | 20.0 | |
| March 23, 2019, 3 p.m. | 38.2 ppb (35) | 14.2 ppb (13) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.56 ppb (6) | N/A | N/A | 35.0 | |
| March 23, 2019, 2 p.m. | 51.3 ppb (48) | 23.2 ppb (21) | N/A | 28.0 ppb (26) | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.5 ppb (6) | N/A | N/A | 48.0 | |
| March 23, 2019, 1 p.m. | 38.2 ppb (35) | 11.5 ppb (11) | N/A | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.35 ppb (4) | N/A | N/A | 35.0 | |
| March 23, 2019, noon | 42.2 ppb (39) | 16.9 ppb (16) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.42 ppb (5) | N/A | N/A | 39.0 | |
| March 23, 2019, 11 a.m. | 32.2 ppb (30) | 12.7 ppb (12) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.43 ppb (5) | N/A | N/A | 30.0 | |
| March 23, 2019, 10 a.m. | 34.2 ppb (32) | 12.5 ppb (12) | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.46 ppb (5) | N/A | N/A | 32.0 | |
| March 23, 2019, 9 a.m. | 24.1 ppb (22) | 2.5 ppb (2) | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.34 ppb (4) | N/A | N/A | 22.0 | |
| March 23, 2019, 8 a.m. | 34.0 ppb (31) | 3.7 ppb (3) | N/A | 30.0 ppb (28) | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.35 ppb (4) | N/A | N/A | 31.0 | |
| March 23, 2019, 7 a.m. | 25.7 ppb (24) | 2.2 ppb (2) | N/A | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.42 ppb (5) | N/A | N/A | 24.0 | |
| March 23, 2019, 6 a.m. | 19.3 ppb (18) | 1.2 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.35 ppb (4) | N/A | N/A | 18.0 | |
| March 23, 2019, 5 a.m. | 19.3 ppb (18) | 0.9 ppb (1) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.29 ppb (3) | N/A | N/A | 19.0 | |
| March 23, 2019, 4 a.m. | 13.4 ppb (12) | 0.4 ppb (0) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 33.0 ppb (25) | 0.28 ppb (3) | N/A | N/A | 25.0 | |
| March 23, 2019, 3 a.m. | 13.2 ppb (12) | 0.2 ppb (0) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 38.0 ppb (29) | 0.21 ppb (2) | N/A | N/A | 29.0 | |
| March 23, 2019, 2 a.m. | 12.4 ppb (11) | -0.1 ppb (0) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 41.0 ppb (32) | 0.18 ppb (2) | N/A | N/A | 32.0 | |
| March 23, 2019, 1 a.m. | 13.0 ppb (12) | 0.3 ppb (0) | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 45.0 ppb (35) | 0.2 ppb (2) | N/A | N/A | 35.0 | |
| March 23, 2019, midnight | 11.3 ppb (10) | 0.8 ppb (1) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 50.0 ppb (38) | 0.21 ppb (2) | N/A | N/A | 38.0 | |
| March 22, 2019, 11 p.m. | 9.3 ppb (9) | 1.1 ppb (1) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.18 ppb (2) | N/A | N/A | 39.0 | |
| March 22, 2019, 10 p.m. | 9.1 ppb (8) | 1.3 ppb (1) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.17 ppb (2) | N/A | N/A | 39.0 | |
| March 22, 2019, 9 p.m. | 9.4 ppb (9) | 1.5 ppb (1) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.19 ppb (2) | N/A | N/A | 37.0 | |
| March 22, 2019, 8 p.m. | 11.6 ppb (11) | 2.5 ppb (2) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.17 ppb (2) | N/A | N/A | 37.0 | |
| March 22, 2019, 7 p.m. | 13.1 ppb (12) | 2.9 ppb (3) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 45.0 ppb (35) | 0.15 ppb (2) | N/A | N/A | 35.0 | |
| March 22, 2019, 6 p.m. | 17.4 ppb (16) | 4.8 ppb (4) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.18 ppb (2) | N/A | N/A | 31.0 | |
| March 22, 2019, 5 p.m. | 17.8 ppb (16) | 5.0 ppb (5) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.16 ppb (2) | N/A | N/A | 29.0 | |
| March 22, 2019, 4 p.m. | 15.0 ppb (14) | 3.6 ppb (3) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.17 ppb (2) | N/A | N/A | 28.0 | |
| March 22, 2019, 3 p.m. | 29.4 ppb (27) | 9.1 ppb (8) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.25 ppb (3) | N/A | N/A | 27.0 | |
| March 22, 2019, 2 p.m. | 35.0 ppb (32) | 9.7 ppb (9) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.31 ppb (3) | N/A | N/A | 32.0 | |
| March 22, 2019, 1 p.m. | 38.6 ppb (36) | 8.6 ppb (8) | N/A | 30.0 ppb (28) | N/A | 0.0 ppb (0) | 6.0 ppb (5) | 0.3 ppb (3) | N/A | N/A | 36.0 | |
| March 22, 2019, noon | 23.4 ppb (22) | 2.2 ppb (2) | N/A | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.22 ppb (2) | N/A | N/A | 22.0 | |
| March 22, 2019, 11 a.m. | 17.6 ppb (16) | 0.8 ppb (1) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.15 ppb (2) | N/A | N/A | 19.0 | |
| March 22, 2019, 10 a.m. | 10.6 ppb (10) | 0.1 ppb (0) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.16 ppb (2) | N/A | N/A | 25.0 | |
| March 22, 2019, 9 a.m. | 8.3 ppb (8) | 0.1 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.15 ppb (2) | N/A | N/A | 27.0 | |
| March 22, 2019, 8 a.m. | 8.8 ppb (8) | -0.1 ppb (0) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.16 ppb (2) | N/A | N/A | 26.0 | |
| March 22, 2019, 7 a.m. | 13.3 ppb (12) | 0.2 ppb (0) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.17 ppb (2) | N/A | N/A | 22.0 | |
| March 22, 2019, 6 a.m. | 15.5 ppb (14) | 0.6 ppb (1) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.19 ppb (2) | N/A | N/A | 19.0 | |
| March 22, 2019, 5 a.m. | 12.3 ppb (11) | 0.3 ppb (0) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.17 ppb (2) | N/A | N/A | 22.0 | |
| March 22, 2019, 4 a.m. | 10.5 ppb (10) | 0.2 ppb (0) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.18 ppb (2) | N/A | N/A | 24.0 | |
| March 22, 2019, 3 a.m. | 9.5 ppb (9) | 0.1 ppb (0) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.15 ppb (2) | N/A | N/A | 28.0 | |
| March 22, 2019, 2 a.m. | 9.1 ppb (8) | 0.1 ppb (0) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.15 ppb (2) | N/A | N/A | 30.0 | |
| March 22, 2019, 1 a.m. | 7.9 ppb (7) | 0.3 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.15 ppb (2) | N/A | N/A | 34.0 | |
| March 22, 2019, midnight | 7.4 ppb (7) | 0.8 ppb (1) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.15 ppb (2) | N/A | N/A | 36.0 | |
| March 21, 2019, 11 p.m. | 7.7 ppb (7) | 0.9 ppb (1) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.14 ppb (2) | N/A | N/A | 37.0 | |
| March 21, 2019, 10 p.m. | 9.9 ppb (9) | 2.0 ppb (2) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 46.0 ppb (35) | 0.15 ppb (2) | N/A | N/A | 35.0 | |
| March 21, 2019, 9 p.m. | 10.8 ppb (10) | 2.8 ppb (3) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.15 ppb (2) | N/A | N/A | 34.0 | |
| March 21, 2019, 8 p.m. | 7.9 ppb (7) | 1.7 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 46.0 ppb (35) | 0.13 ppb (1) | N/A | N/A | 35.0 | |
| March 21, 2019, 7 p.m. | 11.6 ppb (11) | 2.0 ppb (2) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.15 ppb (2) | N/A | N/A | 31.0 | |
| March 21, 2019, 6 p.m. | 12.3 ppb (11) | 1.5 ppb (1) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.15 ppb (2) | N/A | N/A | 29.0 | |
| March 21, 2019, 5 p.m. | 11.2 ppb (10) | 2.2 ppb (2) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.12 ppb (1) | N/A | N/A | 32.0 | |
| March 21, 2019, 4 p.m. | 14.4 ppb (13) | 2.6 ppb (2) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.14 ppb (2) | N/A | N/A | 28.0 | |
| March 21, 2019, 3 p.m. | 19.4 ppb (18) | 3.1 ppb (3) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.2 ppb (2) | N/A | N/A | 24.0 | |
| March 21, 2019, 2 p.m. | 22.1 ppb (20) | 2.6 ppb (2) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.19 ppb (2) | N/A | N/A | 20.0 | |
| March 21, 2019, 1 p.m. | 14.3 ppb (13) | 0.8 ppb (1) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.17 ppb (2) | N/A | N/A | 22.0 | |
| March 21, 2019, noon | 16.5 ppb (15) | 0.9 ppb (1) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.17 ppb (2) | N/A | N/A | 20.0 | |
| March 21, 2019, 11 a.m. | 10.8 ppb (10) | 0.3 ppb (0) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.13 ppb (1) | N/A | N/A | 25.0 | |
| March 21, 2019, 10 a.m. | 11.1 ppb (10) | 0.5 ppb (0) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.15 ppb (2) | N/A | N/A | 25.0 | |
| March 21, 2019, 9 a.m. | 7.4 ppb (7) | -0.1 ppb (0) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.14 ppb (2) | N/A | N/A | 27.0 | |
| March 21, 2019, 8 a.m. | 8.2 ppb (8) | 0.0 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.15 ppb (2) | N/A | N/A | 27.0 | |
| March 21, 2019, 7 a.m. | 11.2 ppb (10) | 0.4 ppb (0) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.18 ppb (2) | N/A | N/A | 23.0 | |
| March 21, 2019, 6 a.m. | 15.5 ppb (14) | 0.5 ppb (0) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.19 ppb (2) | N/A | N/A | 19.0 | |
| March 21, 2019, 5 a.m. | 19.0 ppb (18) | 1.3 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.22 ppb (2) | N/A | N/A | 18.0 | |
| March 21, 2019, 4 a.m. | 11.1 ppb (10) | 0.1 ppb (0) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.18 ppb (2) | N/A | N/A | 25.0 | |
| March 21, 2019, 3 a.m. | 11.0 ppb (10) | 0.4 ppb (0) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.17 ppb (2) | N/A | N/A | 28.0 | |
| March 21, 2019, 2 a.m. | 17.9 ppb (17) | 2.8 ppb (3) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.19 ppb (2) | N/A | N/A | 25.0 | |
| March 21, 2019, 1 a.m. | 15.1 ppb (14) | 1.2 ppb (1) | N/A | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.15 ppb (2) | N/A | N/A | 28.0 | |
| March 21, 2019, midnight | 12.3 ppb (11) | 0.7 ppb (1) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.15 ppb (2) | N/A | N/A | 32.0 | |
| March 20, 2019, 11 p.m. | 8.8 ppb (8) | 0.2 ppb (0) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 46.0 ppb (35) | 0.16 ppb (2) | N/A | N/A | 35.0 | |
| March 20, 2019, 10 p.m. | 3.5 ppb (3) | -0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.1 ppb (1) | N/A | N/A | 39.0 | |
| March 20, 2019, 9 p.m. | 4.9 ppb (5) | 0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 50.0 ppb (38) | 0.11 ppb (1) | N/A | N/A | 38.0 | |
| March 20, 2019, 8 p.m. | 7.1 ppb (7) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.13 ppb (1) | N/A | N/A | 37.0 | |
| March 20, 2019, 7 p.m. | 12.4 ppb (11) | 2.0 ppb (2) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.13 ppb (1) | N/A | N/A | 34.0 | |
| March 20, 2019, 6 p.m. | 13.5 ppb (12) | 3.2 ppb (3) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.14 ppb (2) | N/A | N/A | 34.0 | |
| March 20, 2019, 5 p.m. | 16.5 ppb (15) | 3.6 ppb (3) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.14 ppb (2) | N/A | N/A | 28.0 | |
| March 20, 2019, 4 p.m. | 13.1 ppb (12) | 2.0 ppb (2) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.14 ppb (2) | N/A | N/A | 28.0 | |
| March 20, 2019, 3 p.m. | 23.3 ppb (22) | 3.7 ppb (3) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.22 ppb (2) | N/A | N/A | 22.0 | |
| March 20, 2019, 2 p.m. | 32.9 ppb (30) | 5.7 ppb (5) | N/A | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.26 ppb (3) | N/A | N/A | 30.0 | |
| March 20, 2019, 1 p.m. | 18.6 ppb (17) | 1.1 ppb (1) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.21 ppb (2) | N/A | N/A | 17.0 | |
| March 20, 2019, noon | 12.2 ppb (11) | 0.5 ppb (0) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.16 ppb (2) | N/A | N/A | 21.0 | |
| March 20, 2019, 11 a.m. | 11.1 ppb (10) | 0.4 ppb (0) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.12 ppb (1) | N/A | N/A | 24.0 | |
| March 20, 2019, 10 a.m. | 10.0 ppb (9) | -0.1 ppb (0) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.13 ppb (1) | N/A | N/A | 27.0 | |
| March 20, 2019, 9 a.m. | 5.9 ppb (5) | 0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.1 ppb (1) | N/A | N/A | 32.0 | |
| March 20, 2019, 8 a.m. | 4.2 ppb (4) | -0.4 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 45.0 ppb (35) | 0.1 ppb (1) | N/A | N/A | 35.0 | |
| March 20, 2019, 7 a.m. | 3.5 ppb (3) | -0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.09 ppb (1) | N/A | N/A | 36.0 | |
| March 20, 2019, 6 a.m. | 7.2 ppb (7) | 0.1 ppb (0) | N/A | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.14 ppb (2) | N/A | N/A | 32.0 | |
| March 20, 2019, 5 a.m. | 9.1 ppb (8) | 0.4 ppb (0) | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.15 ppb (2) | N/A | N/A | 30.0 | |
| March 20, 2019, 4 a.m. | 12.3 ppb (11) | 0.4 ppb (0) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.18 ppb (2) | N/A | N/A | 27.0 | |
| March 20, 2019, 3 a.m. | 16.0 ppb (15) | 0.7 ppb (1) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.19 ppb (2) | N/A | N/A | 25.0 | |
| March 20, 2019, 2 a.m. | 10.9 ppb (10) | 0.1 ppb (0) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.18 ppb (2) | N/A | N/A | 31.0 | |
| March 20, 2019, 1 a.m. | 12.1 ppb (11) | 0.5 ppb (0) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 46.0 ppb (35) | 0.17 ppb (2) | N/A | N/A | 35.0 | |
| March 20, 2019, midnight | 8.8 ppb (8) | 0.4 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 58.0 ppb (45) | 0.16 ppb (2) | N/A | N/A | 45.0 | |
| March 19, 2019, 11 p.m. | 8.7 ppb (8) | 0.5 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 61.0 ppb (47) | 0.18 ppb (2) | N/A | N/A | 47.0 | |
| March 19, 2019, 10 p.m. | 8.8 ppb (8) | 0.8 ppb (1) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 65.0 ppb (50) | 0.19 ppb (2) | N/A | N/A | 50.0 | |
| March 19, 2019, 9 p.m. | 12.0 ppb (11) | 1.3 ppb (1) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 64.0 ppb (49) | 0.22 ppb (2) | N/A | N/A | 49.0 | |
| March 19, 2019, 8 p.m. | 17.1 ppb (16) | 2.8 ppb (3) | N/A | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 57.0 ppb (44) | 0.24 ppb (3) | N/A | N/A | 44.0 | |
| March 19, 2019, 7 p.m. | 30.1 ppb (28) | 6.9 ppb (6) | N/A | 23.0 ppb (21) | N/A | 1.0 ppb (1) | 48.0 ppb (37) | 0.28 ppb (3) | N/A | N/A | 37.0 | |
| March 19, 2019, 6 p.m. | 51.5 ppb (48) | 16.2 ppb (15) | N/A | 35.0 ppb (32) | N/A | 1.0 ppb (1) | 33.0 ppb (25) | 0.4 ppb (4) | N/A | N/A | 48.0 | |
| March 19, 2019, 5 p.m. | 53.0 ppb (49) | 17.9 ppb (17) | N/A | 35.0 ppb (32) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.38 ppb (4) | N/A | N/A | 49.0 | |
| March 19, 2019, 4 p.m. | 48.8 ppb (45) | 16.7 ppb (15) | N/A | 32.0 ppb (30) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.42 ppb (5) | N/A | N/A | 45.0 | |
| March 19, 2019, 3 p.m. | 86.1 ppb (84) | 50.2 ppb (46) | N/A | 36.0 ppb (33) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.7 ppb (8) | N/A | N/A | 84.0 | |
| March 19, 2019, 2 p.m. | 103.9 ppb (101) | 71.0 ppb (68) | N/A | 33.0 ppb (31) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.89 ppb (10) | N/A | N/A | 101.0 | |
| March 19, 2019, 1 p.m. | 54.2 ppb (50) | 22.9 ppb (21) | N/A | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.63 ppb (7) | N/A | N/A | 50.0 | |
| March 19, 2019, noon | 53.8 ppb (50) | 19.0 ppb (18) | N/A | 35.0 ppb (32) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.49 ppb (5) | N/A | N/A | 50.0 | |
| March 19, 2019, 11 a.m. | 44.5 ppb (41) | 13.9 ppb (13) | N/A | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.4 ppb (4) | N/A | N/A | 41.0 | |
| March 19, 2019, 10 a.m. | 37.6 ppb (35) | 5.8 ppb (5) | N/A | 32.0 ppb (30) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.35 ppb (4) | N/A | N/A | 35.0 | |
| March 19, 2019, 9 a.m. | 43.3 ppb (40) | 11.0 ppb (10) | N/A | 32.0 ppb (30) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.53 ppb (6) | N/A | N/A | 40.0 | |
| March 19, 2019, 8 a.m. | 36.5 ppb (34) | 5.1 ppb (5) | N/A | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.53 ppb (6) | N/A | N/A | 34.0 | |
| March 19, 2019, 7 a.m. | 39.0 ppb (36) | 3.9 ppb (4) | N/A | 35.0 ppb (32) | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.46 ppb (5) | N/A | N/A | 36.0 | |
| March 19, 2019, 6 a.m. | 39.2 ppb (36) | 4.2 ppb (4) | N/A | 35.0 ppb (32) | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.5 ppb (6) | N/A | N/A | 36.0 | |
| March 19, 2019, 5 a.m. | 29.5 ppb (27) | 1.6 ppb (1) | N/A | 28.0 ppb (26) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.34 ppb (4) | N/A | N/A | 27.0 | |
| March 19, 2019, 4 a.m. | 24.2 ppb (22) | 0.9 ppb (1) | N/A | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.24 ppb (3) | N/A | N/A | 27.0 | |
| March 19, 2019, 3 a.m. | 19.0 ppb (18) | 0.3 ppb (0) | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | 45.0 ppb (35) | 0.25 ppb (3) | N/A | N/A | 35.0 | |
| March 19, 2019, 2 a.m. | 16.6 ppb (15) | 0.1 ppb (0) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.19 ppb (2) | N/A | N/A | 39.0 | |
| March 19, 2019, 1 a.m. | 12.3 ppb (11) | 0.3 ppb (0) | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 59.0 ppb (45) | 0.17 ppb (2) | N/A | N/A | 45.0 | |
| March 19, 2019, midnight | 11.5 ppb (11) | 0.6 ppb (1) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 61.0 ppb (47) | 0.16 ppb (2) | N/A | N/A | 47.0 |