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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 29, 2020, 5 p.m. | 7.1 ppb (7) | 1.4 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.09 ppb (1) | N/A | N/A | 27.0 | |
| Jan. 29, 2020, 4 p.m. | 7.2 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.1 ppb (1) | N/A | N/A | 26.0 | |
| Jan. 29, 2020, 3 p.m. | 8.2 ppb (8) | 0.4 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.1 ppb (1) | N/A | N/A | 25.0 | |
| Jan. 29, 2020, 2 p.m. | 34.3 ppb (32) | 9.5 ppb (9) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.29 ppb (3) | N/A | N/A | 32.0 | |
| Jan. 29, 2020, 1 p.m. | 53.7 ppb (50) | 18.0 ppb (17) | N/A | 36.0 ppb (33) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.44 ppb (5) | N/A | N/A | 50.0 | |
| Jan. 29, 2020, noon | 40.9 ppb (38) | 7.1 ppb (7) | N/A | 34.0 ppb (31) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.34 ppb (4) | N/A | N/A | 38.0 | |
| Jan. 29, 2020, 11 a.m. | 34.0 ppb (31) | 2.7 ppb (3) | N/A | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.26 ppb (3) | N/A | N/A | 31.0 | |
| Jan. 29, 2020, 10 a.m. | 36.2 ppb (34) | 3.6 ppb (3) | N/A | 33.0 ppb (31) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.27 ppb (3) | N/A | N/A | 34.0 | |
| Jan. 29, 2020, 9 a.m. | 57.9 ppb (54) | 21.0 ppb (19) | N/A | 37.0 ppb (34) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.48 ppb (5) | N/A | N/A | 54.0 | |
| Jan. 29, 2020, 8 a.m. | 57.5 ppb (54) | 23.0 ppb (21) | N/A | 35.0 ppb (32) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.52 ppb (6) | N/A | N/A | 54.0 | |
| Jan. 29, 2020, 7 a.m. | 37.2 ppb (34) | 4.1 ppb (4) | N/A | 33.0 ppb (31) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.41 ppb (5) | N/A | N/A | 34.0 | |
| Jan. 29, 2020, 6 a.m. | 39.2 ppb (36) | 4.4 ppb (4) | N/A | 35.0 ppb (32) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.41 ppb (5) | N/A | N/A | 36.0 | |
| Jan. 29, 2020, 5 a.m. | 54.8 ppb (51) | 14.7 ppb (14) | N/A | 40.0 ppb (37) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.56 ppb (6) | N/A | N/A | 51.0 | |
| Jan. 29, 2020, 4 a.m. | 47.2 ppb (44) | 7.4 ppb (7) | N/A | 40.0 ppb (37) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.48 ppb (5) | N/A | N/A | 44.0 | |
| Jan. 29, 2020, 3 a.m. | 42.2 ppb (39) | 1.3 ppb (1) | N/A | 41.0 ppb (38) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.42 ppb (5) | N/A | N/A | 39.0 | |
| Jan. 29, 2020, 2 a.m. | 41.4 ppb (38) | 0.6 ppb (1) | N/A | 41.0 ppb (38) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.43 ppb (5) | N/A | N/A | 38.0 | |
| Jan. 29, 2020, 1 a.m. | 50.7 ppb (47) | 4.5 ppb (4) | N/A | 46.0 ppb (43) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.37 ppb (4) | N/A | N/A | 47.0 | |
| Jan. 29, 2020, midnight | 26.0 ppb (24) | 1.5 ppb (1) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.25 ppb (3) | N/A | N/A | 24.0 | |
| Jan. 28, 2020, 11 p.m. | 23.2 ppb (21) | 3.6 ppb (3) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.21 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 28, 2020, 10 p.m. | 16.2 ppb (15) | 2.8 ppb (3) | N/A | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.14 ppb (2) | N/A | N/A | 31.0 | |
| Jan. 28, 2020, 9 p.m. | 21.3 ppb (20) | 4.6 ppb (4) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.14 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 28, 2020, 8 p.m. | 45.6 ppb (42) | 16.0 ppb (15) | N/A | 30.0 ppb (28) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.24 ppb (3) | N/A | N/A | 42.0 | |
| Jan. 28, 2020, 7 p.m. | 36.0 ppb (33) | 11.7 ppb (11) | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.28 ppb (3) | N/A | N/A | 33.0 | |
| Jan. 28, 2020, 6 p.m. | 48.8 ppb (45) | 19.1 ppb (18) | N/A | 30.0 ppb (28) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.39 ppb (4) | N/A | N/A | 45.0 | |
| Jan. 28, 2020, 5 p.m. | 36.8 ppb (34) | 12.5 ppb (12) | N/A | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.38 ppb (4) | N/A | N/A | 34.0 | |
| Jan. 28, 2020, 4 p.m. | 68.5 ppb (65) | 35.6 ppb (33) | N/A | 33.0 ppb (31) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.64 ppb (7) | N/A | N/A | 65.0 | |
| Jan. 28, 2020, 3 p.m. | 95.5 ppb (94) | 61.2 ppb (58) | N/A | 35.0 ppb (32) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.8 ppb (9) | N/A | N/A | 94.0 | |
| Jan. 28, 2020, 2 p.m. | 75.8 ppb (73) | 42.8 ppb (40) | N/A | 33.0 ppb (31) | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.73 ppb (8) | N/A | N/A | 73.0 | |
| Jan. 28, 2020, 1 p.m. | 65.8 ppb (63) | 34.5 ppb (32) | N/A | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.64 ppb (7) | N/A | N/A | 63.0 | |
| Jan. 28, 2020, noon | 53.5 ppb (50) | 22.0 ppb (20) | N/A | 32.0 ppb (30) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.56 ppb (6) | N/A | N/A | 50.0 | |
| Jan. 28, 2020, 11 a.m. | 46.2 ppb (43) | 12.1 ppb (11) | N/A | 34.0 ppb (31) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.44 ppb (5) | N/A | N/A | 43.0 | |
| Jan. 28, 2020, 10 a.m. | 48.1 ppb (45) | 11.7 ppb (11) | N/A | 37.0 ppb (34) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.47 ppb (5) | N/A | N/A | 45.0 | |
| Jan. 28, 2020, 9 a.m. | 41.5 ppb (38) | 4.0 ppb (4) | N/A | 38.0 ppb (35) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.42 ppb (5) | N/A | N/A | 38.0 | |
| Jan. 28, 2020, 8 a.m. | 48.1 ppb (45) | 8.2 ppb (8) | N/A | 40.0 ppb (37) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.52 ppb (6) | N/A | N/A | 45.0 | |
| Jan. 28, 2020, 7 a.m. | 62.2 ppb (59) | 23.8 ppb (22) | N/A | 39.0 ppb (36) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.61 ppb (7) | N/A | N/A | 59.0 | |
| Jan. 28, 2020, 6 a.m. | 47.7 ppb (44) | 10.6 ppb (10) | N/A | 37.0 ppb (34) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.44 ppb (5) | N/A | N/A | 44.0 | |
| Jan. 28, 2020, 5 a.m. | 50.0 ppb (46) | 8.3 ppb (8) | N/A | 42.0 ppb (39) | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.41 ppb (5) | N/A | N/A | 46.0 | |
| Jan. 28, 2020, 4 a.m. | 68.5 ppb (65) | 23.8 ppb (22) | N/A | 45.0 ppb (42) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.55 ppb (6) | N/A | N/A | 65.0 | |
| Jan. 28, 2020, 3 a.m. | 84.2 ppb (82) | 31.6 ppb (29) | N/A | 53.0 ppb (49) | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.58 ppb (6) | N/A | N/A | 82.0 | |
| Jan. 28, 2020, 2 a.m. | 64.0 ppb (61) | 17.2 ppb (16) | N/A | 47.0 ppb (44) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.65 ppb (7) | N/A | N/A | 61.0 | |
| Jan. 28, 2020, 1 a.m. | 28.7 ppb (27) | 1.0 ppb (1) | N/A | 28.0 ppb (26) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.3 ppb (3) | N/A | N/A | 27.0 | |
| Jan. 28, 2020, midnight | 12.8 ppb (12) | -0.2 ppb (0) | N/A | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.15 ppb (2) | N/A | N/A | 31.0 | |
| Jan. 27, 2020, 11 p.m. | 18.0 ppb (17) | 1.5 ppb (1) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.18 ppb (2) | N/A | N/A | 31.0 | |
| Jan. 27, 2020, 10 p.m. | 20.2 ppb (19) | 2.6 ppb (2) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.2 ppb (2) | N/A | N/A | 31.0 | |
| Jan. 27, 2020, 9 p.m. | 38.4 ppb (36) | 9.5 ppb (9) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.33 ppb (4) | N/A | N/A | 36.0 | |
| Jan. 27, 2020, 8 p.m. | 42.3 ppb (39) | 12.3 ppb (11) | N/A | 30.0 ppb (28) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | 0.34 ppb (4) | N/A | N/A | 39.0 | |
| Jan. 27, 2020, 7 p.m. | 46.5 ppb (43) | 14.3 ppb (13) | N/A | 32.0 ppb (30) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.33 ppb (4) | N/A | N/A | 43.0 | |
| Jan. 27, 2020, 6 p.m. | 42.4 ppb (39) | 13.3 ppb (12) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.35 ppb (4) | N/A | N/A | 39.0 | |
| Jan. 27, 2020, 5 p.m. | 42.7 ppb (40) | 14.7 ppb (14) | N/A | 28.0 ppb (26) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.4 ppb (4) | N/A | N/A | 40.0 | |
| Jan. 27, 2020, 4 p.m. | 103.7 ppb (101) | 64.4 ppb (61) | N/A | 40.0 ppb (37) | N/A | 1.0 ppb (1) | 7.0 ppb (5) | 0.59 ppb (7) | N/A | N/A | 101.0 | |
| Jan. 27, 2020, 3 p.m. | 81.0 ppb (79) | 46.4 ppb (43) | N/A | 35.0 ppb (32) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.62 ppb (7) | N/A | N/A | 79.0 | |
| Jan. 27, 2020, 2 p.m. | 33.0 ppb (31) | 3.4 ppb (3) | N/A | 30.0 ppb (28) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.56 ppb (6) | N/A | N/A | 31.0 | |
| Jan. 27, 2020, 1 p.m. | 26.8 ppb (25) | 0.8 ppb (1) | N/A | 26.0 ppb (24) | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.43 ppb (5) | N/A | N/A | 25.0 | |
| Jan. 27, 2020, noon | 27.0 ppb (25) | 1.1 ppb (1) | N/A | 26.0 ppb (24) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.36 ppb (4) | N/A | N/A | 25.0 | |
| Jan. 27, 2020, 11 a.m. | 18.1 ppb (17) | 0.0 ppb (0) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.29 ppb (3) | N/A | N/A | 17.0 | |
| Jan. 27, 2020, 10 a.m. | 18.1 ppb (17) | -0.4 ppb (0) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.31 ppb (3) | N/A | N/A | 18.0 | |
| Jan. 27, 2020, 9 a.m. | 21.5 ppb (20) | -0.5 ppb (0) | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.34 ppb (4) | N/A | N/A | 20.0 | |
| Jan. 27, 2020, 8 a.m. | 17.4 ppb (16) | -0.6 ppb (0) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.35 ppb (4) | N/A | N/A | 19.0 | |
| Jan. 27, 2020, 7 a.m. | 17.3 ppb (16) | -0.5 ppb (0) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.34 ppb (4) | N/A | N/A | 23.0 | |
| Jan. 27, 2020, 6 a.m. | 23.1 ppb (21) | -0.1 ppb (0) | N/A | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.4 ppb (4) | N/A | N/A | 21.0 | |
| Jan. 27, 2020, 5 a.m. | 26.6 ppb (25) | -0.3 ppb (0) | N/A | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.36 ppb (4) | N/A | N/A | 25.0 | |
| Jan. 27, 2020, 4 a.m. | 26.8 ppb (25) | -0.3 ppb (0) | N/A | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.34 ppb (4) | N/A | N/A | 25.0 | |
| Jan. 27, 2020, 3 a.m. | 21.1 ppb (20) | -0.1 ppb (0) | N/A | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.3 ppb (3) | N/A | N/A | 20.0 | |
| Jan. 27, 2020, 2 a.m. | 23.0 ppb (21) | -0.1 ppb (0) | N/A | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.35 ppb (4) | N/A | N/A | 21.0 | |
| Jan. 27, 2020, 1 a.m. | 19.3 ppb (18) | -0.3 ppb (0) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.32 ppb (4) | N/A | N/A | 24.0 | |
| Jan. 27, 2020, midnight | 17.8 ppb (16) | 0.2 ppb (0) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.32 ppb (4) | N/A | N/A | 26.0 | |
| Jan. 26, 2020, 11 p.m. | 15.4 ppb (14) | 1.0 ppb (1) | N/A | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.31 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 26, 2020, 10 p.m. | 23.5 ppb (22) | 4.4 ppb (4) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.4 ppb (4) | N/A | N/A | 26.0 | |
| Jan. 26, 2020, 9 p.m. | 27.3 ppb (25) | 7.3 ppb (7) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.43 ppb (5) | N/A | N/A | 25.0 | |
| Jan. 26, 2020, 8 p.m. | 40.7 ppb (38) | 17.0 ppb (16) | N/A | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.53 ppb (6) | N/A | N/A | 38.0 | |
| Jan. 26, 2020, 7 p.m. | 49.1 ppb (45) | 21.5 ppb (20) | N/A | 28.0 ppb (26) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.62 ppb (7) | N/A | N/A | 45.0 | |
| Jan. 26, 2020, 6 p.m. | 43.6 ppb (40) | 19.2 ppb (18) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.54 ppb (6) | N/A | N/A | 40.0 | |
| Jan. 26, 2020, 5 p.m. | 40.6 ppb (38) | 16.1 ppb (15) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.53 ppb (6) | N/A | N/A | 38.0 | |
| Jan. 26, 2020, 4 p.m. | 37.7 ppb (35) | 13.4 ppb (12) | N/A | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.49 ppb (5) | N/A | N/A | 35.0 | |
| Jan. 26, 2020, 3 p.m. | 42.5 ppb (39) | 17.7 ppb (16) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.55 ppb (6) | N/A | N/A | 39.0 | |
| Jan. 26, 2020, 2 p.m. | 50.0 ppb (46) | 25.5 ppb (24) | N/A | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.57 ppb (6) | N/A | N/A | 46.0 | |
| Jan. 26, 2020, 1 p.m. | 43.9 ppb (41) | 19.1 ppb (18) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.57 ppb (6) | N/A | N/A | 41.0 | |
| Jan. 26, 2020, noon | 49.1 ppb (45) | 26.2 ppb (24) | N/A | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.62 ppb (7) | N/A | N/A | 45.0 | |
| Jan. 26, 2020, 11 a.m. | 45.1 ppb (42) | 24.2 ppb (22) | N/A | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.69 ppb (8) | N/A | N/A | 42.0 | |
| Jan. 26, 2020, 10 a.m. | 42.8 ppb (40) | 19.4 ppb (18) | N/A | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.7 ppb (8) | N/A | N/A | 40.0 | |
| Jan. 26, 2020, 9 a.m. | 39.6 ppb (37) | 14.5 ppb (13) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.69 ppb (8) | N/A | N/A | 37.0 | |
| Jan. 26, 2020, 8 a.m. | 50.3 ppb (47) | 21.5 ppb (20) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.87 ppb (10) | N/A | N/A | 47.0 | |
| Jan. 26, 2020, 7 a.m. | 54.2 ppb (50) | 21.9 ppb (20) | N/A | 32.0 ppb (30) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.81 ppb (9) | N/A | N/A | 50.0 | |
| Jan. 26, 2020, 6 a.m. | 50.5 ppb (47) | 18.1 ppb (17) | N/A | 33.0 ppb (31) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.78 ppb (9) | N/A | N/A | 47.0 | |
| Jan. 26, 2020, 5 a.m. | 34.9 ppb (32) | 2.1 ppb (2) | N/A | 33.0 ppb (31) | N/A | 0.0 ppb (0) | 6.0 ppb (5) | 0.53 ppb (6) | N/A | N/A | 32.0 | |
| Jan. 26, 2020, 4 a.m. | 27.4 ppb (25) | 0.5 ppb (0) | N/A | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.41 ppb (5) | N/A | N/A | 25.0 | |
| Jan. 26, 2020, 3 a.m. | 46.6 ppb (43) | 2.4 ppb (2) | N/A | 44.0 ppb (41) | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.61 ppb (7) | N/A | N/A | 43.0 | |
| Jan. 26, 2020, 2 a.m. | 49.5 ppb (46) | 1.8 ppb (2) | N/A | 48.0 ppb (44) | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.65 ppb (7) | N/A | N/A | 46.0 | |
| Jan. 26, 2020, 1 a.m. | 37.2 ppb (34) | 0.7 ppb (1) | N/A | 37.0 ppb (34) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.49 ppb (5) | N/A | N/A | 34.0 | |
| Jan. 26, 2020, midnight | 25.5 ppb (24) | 1.0 ppb (1) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.33 ppb (4) | N/A | N/A | 24.0 | |
| Jan. 25, 2020, 11 p.m. | 16.4 ppb (15) | 1.2 ppb (1) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.19 ppb (2) | N/A | N/A | 30.0 | |
| Jan. 25, 2020, 10 p.m. | 18.0 ppb (17) | 2.8 ppb (3) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.19 ppb (2) | N/A | N/A | 30.0 | |
| Jan. 25, 2020, 9 p.m. | 27.7 ppb (26) | 6.7 ppb (6) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 32.0 ppb (25) | 0.28 ppb (3) | N/A | N/A | 26.0 | |
| Jan. 25, 2020, 8 p.m. | 35.3 ppb (33) | 10.7 ppb (10) | N/A | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.3 ppb (3) | N/A | N/A | 33.0 | |
| Jan. 25, 2020, 7 p.m. | 41.4 ppb (38) | 14.6 ppb (14) | N/A | 27.0 ppb (25) | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.46 ppb (5) | N/A | N/A | 38.0 | |
| Jan. 25, 2020, 6 p.m. | 30.1 ppb (28) | 9.4 ppb (9) | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.41 ppb (5) | N/A | N/A | 28.0 | |
| Jan. 25, 2020, 5 p.m. | 33.0 ppb (31) | 11.6 ppb (11) | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.34 ppb (4) | N/A | N/A | 31.0 | |
| Jan. 25, 2020, 4 p.m. | 56.3 ppb (52) | 28.0 ppb (26) | N/A | 29.0 ppb (27) | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.53 ppb (6) | N/A | N/A | 52.0 | |
| Jan. 25, 2020, 3 p.m. | 82.7 ppb (81) | 52.3 ppb (48) | N/A | 31.0 ppb (29) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.88 ppb (10) | N/A | N/A | 81.0 | |
| Jan. 25, 2020, 2 p.m. | 57.3 ppb (54) | 28.3 ppb (26) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.66 ppb (7) | N/A | N/A | 54.0 | |
| Jan. 25, 2020, 1 p.m. | 40.0 ppb (37) | 10.8 ppb (10) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.45 ppb (5) | N/A | N/A | 37.0 | |
| Jan. 25, 2020, noon | 37.5 ppb (35) | 8.8 ppb (8) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.46 ppb (5) | N/A | N/A | 35.0 | |
| Jan. 25, 2020, 11 a.m. | 42.8 ppb (40) | 11.0 ppb (10) | N/A | 32.0 ppb (30) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.49 ppb (5) | N/A | N/A | 40.0 | |
| Jan. 25, 2020, 10 a.m. | 40.2 ppb (37) | 7.7 ppb (7) | N/A | 33.0 ppb (31) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.52 ppb (6) | N/A | N/A | 37.0 | |
| Jan. 25, 2020, 9 a.m. | 36.9 ppb (34) | 2.5 ppb (2) | N/A | 35.0 ppb (32) | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.4 ppb (4) | N/A | N/A | 34.0 | |
| Jan. 25, 2020, 8 a.m. | 53.9 ppb (50) | 18.8 ppb (17) | N/A | 35.0 ppb (32) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.59 ppb (7) | N/A | N/A | 50.0 | |
| Jan. 25, 2020, 7 a.m. | 73.7 ppb (71) | 38.5 ppb (36) | N/A | 35.0 ppb (32) | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.84 ppb (9) | N/A | N/A | 71.0 | |
| Jan. 25, 2020, 6 a.m. | 68.8 ppb (66) | 31.7 ppb (29) | N/A | 37.0 ppb (34) | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.76 ppb (8) | N/A | N/A | 66.0 | |
| Jan. 25, 2020, 5 a.m. | 75.4 ppb (73) | 35.3 ppb (33) | N/A | 40.0 ppb (37) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.94 ppb (10) | N/A | N/A | 73.0 | |
| Jan. 25, 2020, 4 a.m. | 78.2 ppb (76) | 38.7 ppb (36) | N/A | 40.0 ppb (37) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.92 ppb (10) | N/A | N/A | 76.0 | |
| Jan. 25, 2020, 3 a.m. | 55.4 ppb (51) | 11.0 ppb (10) | N/A | 45.0 ppb (42) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.59 ppb (7) | N/A | N/A | 51.0 | |
| Jan. 25, 2020, 2 a.m. | 56.3 ppb (52) | 6.2 ppb (6) | N/A | 50.0 ppb (46) | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.51 ppb (6) | N/A | N/A | 52.0 | |
| Jan. 25, 2020, 1 a.m. | 49.6 ppb (46) | 3.2 ppb (3) | N/A | 47.0 ppb (44) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.45 ppb (5) | N/A | N/A | 46.0 | |
| Jan. 25, 2020, midnight | 30.3 ppb (28) | 1.5 ppb (1) | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.31 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 24, 2020, 11 p.m. | 24.3 ppb (23) | 3.0 ppb (3) | N/A | 21.0 ppb (19) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.21 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 24, 2020, 10 p.m. | 22.8 ppb (21) | 4.4 ppb (4) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.18 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 24, 2020, 9 p.m. | 19.9 ppb (18) | 4.2 ppb (4) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.17 ppb (2) | N/A | N/A | 30.0 | |
| Jan. 24, 2020, 8 p.m. | 47.2 ppb (44) | 17.4 ppb (16) | N/A | 30.0 ppb (28) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.26 ppb (3) | N/A | N/A | 44.0 | |
| Jan. 24, 2020, 7 p.m. | 47.9 ppb (44) | 20.0 ppb (19) | N/A | 28.0 ppb (26) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.37 ppb (4) | N/A | N/A | 44.0 | |
| Jan. 24, 2020, 6 p.m. | 55.6 ppb (52) | 25.8 ppb (24) | N/A | 30.0 ppb (28) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.36 ppb (4) | N/A | N/A | 52.0 | |
| Jan. 24, 2020, 5 p.m. | 72.1 ppb (69) | 38.9 ppb (36) | N/A | 33.0 ppb (31) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.61 ppb (7) | N/A | N/A | 69.0 | |
| Jan. 24, 2020, 4 p.m. | 94.5 ppb (93) | 58.3 ppb (55) | N/A | 36.0 ppb (33) | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.92 ppb (10) | N/A | N/A | 93.0 | |
| Jan. 24, 2020, 3 p.m. | 90.8 ppb (89) | 56.1 ppb (52) | N/A | 35.0 ppb (32) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.9 ppb (10) | N/A | N/A | 89.0 | |
| Jan. 24, 2020, 2 p.m. | 73.7 ppb (71) | 39.1 ppb (36) | N/A | 35.0 ppb (32) | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.68 ppb (8) | N/A | N/A | 71.0 | |
| Jan. 24, 2020, 1 p.m. | 51.7 ppb (48) | 18.5 ppb (17) | N/A | 33.0 ppb (31) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.47 ppb (5) | N/A | N/A | 48.0 | |
| Jan. 24, 2020, noon | 43.0 ppb (40) | 11.6 ppb (11) | N/A | 32.0 ppb (30) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.42 ppb (5) | N/A | N/A | 40.0 | |
| Jan. 24, 2020, 11 a.m. | 39.5 ppb (37) | 7.2 ppb (7) | N/A | 32.0 ppb (30) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.35 ppb (4) | N/A | N/A | 37.0 | |
| Jan. 24, 2020, 10 a.m. | 46.2 ppb (43) | 12.2 ppb (11) | N/A | 34.0 ppb (31) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.42 ppb (5) | N/A | N/A | 43.0 | |
| Jan. 24, 2020, 9 a.m. | 48.1 ppb (45) | 14.1 ppb (13) | N/A | 34.0 ppb (31) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.52 ppb (6) | N/A | N/A | 45.0 | |
| Jan. 24, 2020, 8 a.m. | 50.9 ppb (47) | 14.8 ppb (14) | N/A | 36.0 ppb (33) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.51 ppb (6) | N/A | N/A | 47.0 | |
| Jan. 24, 2020, 7 a.m. | 58.8 ppb (55) | 20.2 ppb (19) | N/A | 39.0 ppb (36) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.55 ppb (6) | N/A | N/A | 55.0 | |
| Jan. 24, 2020, 6 a.m. | 65.6 ppb (62) | 28.2 ppb (26) | N/A | 38.0 ppb (35) | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.63 ppb (7) | N/A | N/A | 62.0 | |
| Jan. 24, 2020, 5 a.m. | 76.9 ppb (74) | 36.2 ppb (34) | N/A | 41.0 ppb (38) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.82 ppb (9) | N/A | N/A | 74.0 | |
| Jan. 24, 2020, 4 a.m. | 79.1 ppb (77) | 40.0 ppb (37) | N/A | 39.0 ppb (36) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.9 ppb (10) | N/A | N/A | 77.0 | |
| Jan. 24, 2020, 3 a.m. | 64.1 ppb (61) | 24.7 ppb (23) | N/A | 40.0 ppb (37) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.69 ppb (8) | N/A | N/A | 61.0 | |
| Jan. 24, 2020, 2 a.m. | 51.8 ppb (48) | 7.9 ppb (7) | N/A | 44.0 ppb (41) | N/A | 1.0 ppb (1) | 5.0 ppb (4) | 0.55 ppb (6) | N/A | N/A | 48.0 | |
| Jan. 24, 2020, 1 a.m. | 47.2 ppb (44) | 4.6 ppb (4) | N/A | 43.0 ppb (40) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.62 ppb (7) | N/A | N/A | 44.0 | |
| Jan. 24, 2020, midnight | 26.1 ppb (24) | 1.5 ppb (1) | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.28 ppb (3) | N/A | N/A | 24.0 | |
| Jan. 23, 2020, 11 p.m. | 12.5 ppb (12) | 1.2 ppb (1) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.14 ppb (2) | N/A | N/A | 30.0 | |
| Jan. 23, 2020, 10 p.m. | 11.9 ppb (11) | 1.6 ppb (1) | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.12 ppb (1) | N/A | N/A | 30.0 | |
| Jan. 23, 2020, 9 p.m. | 16.9 ppb (16) | 3.5 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 | |
| Jan. 23, 2020, 8 p.m. | 33.1 ppb (31) | 10.7 ppb (10) | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.19 ppb (2) | N/A | N/A | 31.0 | |
| Jan. 23, 2020, 7 p.m. | 44.8 ppb (41) | 17.6 ppb (16) | N/A | 27.0 ppb (25) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.28 ppb (3) | N/A | N/A | 41.0 | |
| Jan. 23, 2020, 6 p.m. | 49.3 ppb (46) | 21.1 ppb (20) | N/A | 28.0 ppb (26) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.31 ppb (3) | N/A | N/A | 46.0 | |
| Jan. 23, 2020, 5 p.m. | 44.4 ppb (41) | 18.5 ppb (17) | N/A | 26.0 ppb (24) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.35 ppb (4) | N/A | N/A | 41.0 | |
| Jan. 23, 2020, 4 p.m. | 28.5 ppb (26) | 12.5 ppb (12) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.23 ppb (3) | N/A | N/A | 26.0 | |
| Jan. 23, 2020, 3 p.m. | 22.5 ppb (21) | 4.8 ppb (4) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.24 ppb (3) | N/A | N/A | 21.0 | |
| Jan. 23, 2020, 2 p.m. | 7.4 ppb (7) | -0.7 ppb (0) | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.07 ppb (1) | N/A | N/A | 26.0 | |
| Jan. 23, 2020, 1 p.m. | 14.0 ppb (13) | -0.5 ppb (0) | N/A | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.1 ppb (1) | N/A | N/A | 20.0 | |
| Jan. 23, 2020, noon | 10.2 ppb (9) | -0.6 ppb (0) | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | 0.06 ppb (1) | N/A | N/A | 24.0 | |
| Jan. 23, 2020, 11 a.m. | 4.8 ppb (4) | -0.8 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.05 ppb (1) | N/A | N/A | 28.0 | |
| Jan. 23, 2020, 10 a.m. | 39.6 ppb (37) | 8.7 ppb (8) | N/A | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.31 ppb (3) | N/A | N/A | 37.0 | |
| Jan. 23, 2020, 9 a.m. | 43.1 ppb (40) | 10.3 ppb (10) | N/A | 33.0 ppb (31) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.36 ppb (4) | N/A | N/A | 40.0 | |
| Jan. 23, 2020, 8 a.m. | 50.8 ppb (47) | 19.6 ppb (18) | N/A | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.47 ppb (5) | N/A | N/A | 47.0 | |
| Jan. 23, 2020, 7 a.m. | 55.5 ppb (52) | 24.6 ppb (23) | N/A | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.52 ppb (6) | N/A | N/A | 52.0 | |
| Jan. 23, 2020, 6 a.m. | 57.7 ppb (54) | 25.0 ppb (23) | N/A | 33.0 ppb (31) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.57 ppb (6) | N/A | N/A | 54.0 | |
| Jan. 23, 2020, 5 a.m. | 65.6 ppb (62) | 31.1 ppb (29) | N/A | 35.0 ppb (32) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.63 ppb (7) | N/A | N/A | 62.0 | |
| Jan. 23, 2020, 4 a.m. | 62.8 ppb (59) | 28.5 ppb (26) | N/A | 34.0 ppb (31) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.62 ppb (7) | N/A | N/A | 59.0 | |
| Jan. 23, 2020, 3 a.m. | 35.1 ppb (32) | 5.1 ppb (5) | N/A | 30.0 ppb (28) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.38 ppb (4) | N/A | N/A | 32.0 | |
| Jan. 23, 2020, 2 a.m. | 37.7 ppb (35) | 3.0 ppb (3) | N/A | 35.0 ppb (32) | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.43 ppb (5) | N/A | N/A | 35.0 | |
| Jan. 23, 2020, 1 a.m. | 27.6 ppb (26) | 1.3 ppb (1) | N/A | 26.0 ppb (24) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.49 ppb (5) | N/A | N/A | 26.0 | |
| Jan. 23, 2020, midnight | 16.8 ppb (16) | 0.5 ppb (0) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.16 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 22, 2020, 11 p.m. | 18.1 ppb (17) | 2.2 ppb (2) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.17 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 22, 2020, 10 p.m. | 17.9 ppb (17) | 3.2 ppb (3) | N/A | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.15 ppb (2) | N/A | N/A | 27.0 | |
| Jan. 22, 2020, 9 p.m. | 20.8 ppb (19) | 5.1 ppb (5) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.15 ppb (2) | N/A | N/A | 25.0 | |
| Jan. 22, 2020, 8 p.m. | 24.2 ppb (22) | 6.9 ppb (6) | N/A | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.18 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 22, 2020, 7 p.m. | 22.3 ppb (21) | 6.2 ppb (6) | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.17 ppb (2) | N/A | N/A | 21.0 | |
| Jan. 22, 2020, 6 p.m. | 24.1 ppb (22) | 5.2 ppb (5) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.18 ppb (2) | N/A | N/A | 22.0 |