San Bernardino Co CA, US: 34.068114, -117.525796
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 23, 2019, 11 p.m. | 54.9 ppb (51) | 23.1 ppb (21) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 51.0 | |
| Jan. 23, 2019, 10 p.m. | 65.4 ppb (62) | 31.5 ppb (29) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 62.0 | |
| Jan. 23, 2019, 9 p.m. | 68.6 ppb (66) | 35.1 ppb (32) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 66.0 | |
| Jan. 23, 2019, 8 p.m. | 65.5 ppb (62) | 33.0 ppb (31) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 62.0 | |
| Jan. 23, 2019, 7 p.m. | 69.6 ppb (67) | 36.3 ppb (34) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 67.0 | |
| Jan. 23, 2019, 6 p.m. | 127.0 ppb (105) | 81.0 ppb (79) | N/A | 46.0 ppb (43) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 105.0 | |
| Jan. 23, 2019, 5 p.m. | 98.3 ppb (97) | 57.8 ppb (54) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 97.0 | |
| Jan. 23, 2019, 4 p.m. | 175.1 ppb (114) | 125.0 ppb (105) | N/A | 50.0 ppb (46) | N/A | N/A | N/A | 0.69 ppb (8) | N/A | N/A | 114.0 | |
| Jan. 23, 2019, 3 p.m. | 223.5 ppb (124) | 169.2 ppb (113) | N/A | 54.0 ppb (50) | N/A | N/A | N/A | 0.79 ppb (9) | N/A | N/A | 124.0 | |
| Jan. 23, 2019, 2 p.m. | 112.3 ppb (102) | 69.8 ppb (67) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | N/A | 102.0 | |
| Jan. 23, 2019, 1 p.m. | 80.2 ppb (78) | 41.0 ppb (38) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 78.0 | |
| Jan. 23, 2019, noon | 61.1 ppb (58) | 22.5 ppb (21) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 58.0 | |
| Jan. 23, 2019, 11 a.m. | 53.3 ppb (49) | 17.8 ppb (16) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 49.0 | |
| Jan. 23, 2019, 10 a.m. | 62.1 ppb (59) | 26.4 ppb (24) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 59.0 | |
| Jan. 23, 2019, 9 a.m. | 43.1 ppb (40) | 18.6 ppb (17) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 40.0 | |
| Jan. 23, 2019, 8 a.m. | 4.4 ppb (4) | -0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 5.0 | |
| Jan. 23, 2019, 7 a.m. | 5.4 ppb (5) | -0.4 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 6.0 | |
| Jan. 23, 2019, 6 a.m. | 29.2 ppb (27) | 4.1 ppb (4) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 27.0 | |
| Jan. 23, 2019, 5 a.m. | 32.2 ppb (30) | 11.0 ppb (10) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 30.0 | |
| Jan. 23, 2019, 4 a.m. | 21.8 ppb (20) | 2.4 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 20.0 | |
| Jan. 23, 2019, 3 a.m. | 4.4 ppb (4) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 4.0 | |
| Jan. 23, 2019, 2 a.m. | 4.8 ppb (4) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 4.0 | |
| Jan. 23, 2019, 1 a.m. | 7.2 ppb (7) | 1.4 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 7.0 | |
| Jan. 23, 2019, midnight | 8.3 ppb (8) | 1.9 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.12 ppb (1) | N/A | N/A | 8.0 | |
| Jan. 22, 2019, 11 p.m. | 11.5 ppb (11) | 3.2 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 11.0 | |
| Jan. 22, 2019, 10 p.m. | 8.2 ppb (8) | 2.6 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 8.0 | |
| Jan. 22, 2019, 9 p.m. | 7.5 ppb (7) | 2.6 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 7.0 | |
| Jan. 22, 2019, 8 p.m. | 6.8 ppb (6) | 2.6 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 6.0 | |
| Jan. 22, 2019, 7 p.m. | 6.0 ppb (6) | 2.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 6.0 | |
| Jan. 22, 2019, 6 p.m. | 5.8 ppb (5) | 2.3 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 5.0 | |
| Jan. 22, 2019, 5 p.m. | 5.0 ppb (5) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 5.0 | |
| Jan. 22, 2019, 4 p.m. | 5.4 ppb (5) | 1.7 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 5.0 | |
| Jan. 22, 2019, 3 p.m. | 5.8 ppb (5) | 1.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 5.0 | |
| Jan. 22, 2019, 2 p.m. | 4.9 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 5.0 | |
| Jan. 22, 2019, 1 p.m. | 5.7 ppb (5) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 5.0 | |
| Jan. 22, 2019, noon | 6.1 ppb (6) | 1.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 6.0 | |
| Jan. 22, 2019, 11 a.m. | 15.5 ppb (14) | 0.3 ppb (0) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | N/A | 14.0 | |
| Jan. 22, 2019, 10 a.m. | 45.1 ppb (42) | 12.9 ppb (12) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 42.0 | |
| Jan. 22, 2019, 9 a.m. | 58.3 ppb (55) | 24.0 ppb (22) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 55.0 | |
| Jan. 22, 2019, 8 a.m. | 66.5 ppb (63) | 32.0 ppb (30) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 63.0 | |
| Jan. 22, 2019, 7 a.m. | 66.1 ppb (63) | 31.6 ppb (29) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 63.0 | |
| Jan. 22, 2019, 6 a.m. | 93.7 ppb (92) | 51.8 ppb (48) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 92.0 | |
| Jan. 22, 2019, 5 a.m. | 41.7 ppb (39) | 6.7 ppb (6) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 39.0 | |
| Jan. 22, 2019, 4 a.m. | 60.1 ppb (56) | 25.0 ppb (23) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 56.0 | |
| Jan. 22, 2019, 3 a.m. | 63.7 ppb (60) | 29.0 ppb (27) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 60.0 | |
| Jan. 22, 2019, 2 a.m. | 64.9 ppb (62) | 30.0 ppb (28) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 62.0 | |
| Jan. 22, 2019, 1 a.m. | 55.2 ppb (51) | 23.0 ppb (21) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 51.0 | |
| Jan. 22, 2019, midnight | 35.0 ppb (32) | 12.9 ppb (12) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 32.0 | |
| Jan. 21, 2019, 11 p.m. | 34.8 ppb (32) | 14.3 ppb (13) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 32.0 | |
| Jan. 21, 2019, 10 p.m. | 42.6 ppb (39) | 21.3 ppb (20) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 39.0 | |
| Jan. 21, 2019, 9 p.m. | 18.2 ppb (17) | 7.7 ppb (7) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | N/A | 17.0 | |
| Jan. 21, 2019, 8 p.m. | 29.8 ppb (28) | 14.9 ppb (14) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 21, 2019, 7 p.m. | 55.6 ppb (52) | 29.9 ppb (28) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 52.0 | |
| Jan. 21, 2019, 6 p.m. | 56.3 ppb (52) | 29.6 ppb (27) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 52.0 | |
| Jan. 21, 2019, 5 p.m. | 68.4 ppb (65) | 38.5 ppb (36) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 65.0 | |
| Jan. 21, 2019, 4 p.m. | 64.8 ppb (61) | 33.4 ppb (31) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 61.0 | |
| Jan. 21, 2019, 3 p.m. | 79.4 ppb (77) | 41.3 ppb (38) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 77.0 | |
| Jan. 21, 2019, 2 p.m. | 50.3 ppb (47) | 21.5 ppb (20) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 47.0 | |
| Jan. 21, 2019, 1 p.m. | 57.1 ppb (53) | 29.3 ppb (27) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 53.0 | |
| Jan. 21, 2019, noon | 42.1 ppb (39) | 22.0 ppb (20) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 39.0 | |
| Jan. 21, 2019, 11 a.m. | 22.7 ppb (21) | 9.3 ppb (9) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 21.0 | |
| Jan. 21, 2019, 10 a.m. | 23.5 ppb (22) | 11.7 ppb (11) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | N/A | 22.0 | |
| Jan. 21, 2019, 9 a.m. | 13.5 ppb (12) | 5.5 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | N/A | 12.0 | |
| Jan. 21, 2019, 8 a.m. | 15.4 ppb (14) | 6.5 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.13 ppb (1) | N/A | N/A | 14.0 | |
| Jan. 21, 2019, 7 a.m. | 14.3 ppb (13) | 5.7 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 13.0 | |
| Jan. 21, 2019, 6 a.m. | 26.7 ppb (25) | 12.7 ppb (12) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 21, 2019, 5 a.m. | 38.4 ppb (36) | 16.3 ppb (15) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 36.0 | |
| Jan. 21, 2019, 4 a.m. | 46.2 ppb (43) | 21.4 ppb (20) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 43.0 | |
| Jan. 21, 2019, 3 a.m. | 35.1 ppb (32) | 13.2 ppb (12) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 32.0 | |
| Jan. 21, 2019, 2 a.m. | 34.4 ppb (32) | 11.8 ppb (11) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 32.0 | |
| Jan. 21, 2019, 1 a.m. | 36.0 ppb (33) | 11.3 ppb (10) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 33.0 | |
| Jan. 21, 2019, midnight | 35.6 ppb (33) | 11.6 ppb (11) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 33.0 | |
| Jan. 20, 2019, 11 p.m. | 30.5 ppb (28) | 9.4 ppb (9) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 28.0 | |
| Jan. 20, 2019, 10 p.m. | 31.8 ppb (29) | 10.4 ppb (10) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 29.0 | |
| Jan. 20, 2019, 9 p.m. | 25.0 ppb (23) | 8.5 ppb (8) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 23.0 | |
| Jan. 20, 2019, 8 p.m. | 32.3 ppb (30) | 13.0 ppb (12) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 30.0 | |
| Jan. 20, 2019, 7 p.m. | 44.0 ppb (41) | 19.6 ppb (18) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 41.0 | |
| Jan. 20, 2019, 6 p.m. | 53.3 ppb (49) | 28.1 ppb (26) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | N/A | 49.0 | |
| Jan. 20, 2019, 5 p.m. | 65.1 ppb (62) | 39.7 ppb (37) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | N/A | 62.0 | |
| Jan. 20, 2019, 4 p.m. | 34.8 ppb (32) | 16.2 ppb (15) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 32.0 | |
| Jan. 20, 2019, 3 p.m. | 37.2 ppb (34) | 15.6 ppb (14) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 34.0 | |
| Jan. 20, 2019, 2 p.m. | 34.0 ppb (31) | 14.7 ppb (14) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 31.0 | |
| Jan. 20, 2019, 1 p.m. | 27.3 ppb (25) | 8.6 ppb (8) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 25.0 | |
| Jan. 20, 2019, noon | 24.1 ppb (22) | 4.3 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 22.0 | |
| Jan. 20, 2019, 11 a.m. | 31.0 ppb (29) | 6.8 ppb (6) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 29.0 | |
| Jan. 20, 2019, 10 a.m. | 31.9 ppb (30) | 11.0 ppb (10) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | N/A | 30.0 | |
| Jan. 20, 2019, 9 a.m. | 50.4 ppb (47) | 27.5 ppb (25) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | N/A | 47.0 | |
| Jan. 20, 2019, 8 a.m. | 42.9 ppb (40) | 18.5 ppb (17) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.66 ppb (7) | N/A | N/A | 40.0 | |
| Jan. 20, 2019, 7 a.m. | 45.2 ppb (42) | 16.9 ppb (16) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.63 ppb (7) | N/A | N/A | 42.0 | |
| Jan. 20, 2019, 6 a.m. | 43.8 ppb (41) | 19.0 ppb (18) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.63 ppb (7) | N/A | N/A | 41.0 | |
| Jan. 20, 2019, 5 a.m. | 43.5 ppb (40) | 18.4 ppb (17) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | N/A | 40.0 | |
| Jan. 20, 2019, 4 a.m. | 33.2 ppb (31) | 8.5 ppb (8) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 31.0 | |
| Jan. 20, 2019, 3 a.m. | 28.8 ppb (27) | 3.2 ppb (3) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 27.0 | |
| Jan. 20, 2019, 2 a.m. | 29.5 ppb (27) | 3.7 ppb (3) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 27.0 | |
| Jan. 20, 2019, 1 a.m. | 29.4 ppb (27) | 3.7 ppb (3) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 27.0 | |
| Jan. 20, 2019, midnight | 40.4 ppb (37) | 10.7 ppb (10) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 37.0 | |
| Jan. 19, 2019, 11 p.m. | 26.5 ppb (25) | 7.4 ppb (7) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 25.0 | |
| Jan. 19, 2019, 10 p.m. | 14.7 ppb (14) | 3.5 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 14.0 | |
| Jan. 19, 2019, 9 p.m. | 24.0 ppb (22) | 8.5 ppb (8) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 22.0 | |
| Jan. 19, 2019, 8 p.m. | 33.2 ppb (31) | 12.9 ppb (12) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 31.0 | |
| Jan. 19, 2019, 7 p.m. | 30.4 ppb (28) | 12.3 ppb (11) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 28.0 | |
| Jan. 19, 2019, 6 p.m. | 64.8 ppb (61) | 36.8 ppb (34) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | N/A | 61.0 | |
| Jan. 19, 2019, 5 p.m. | 50.1 ppb (46) | 25.8 ppb (24) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 46.0 | |
| Jan. 19, 2019, 4 p.m. | 83.0 ppb (81) | 56.9 ppb (53) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 81.0 | |
| Jan. 19, 2019, 3 p.m. | 91.4 ppb (90) | 67.0 ppb (64) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | N/A | 90.0 | |
| Jan. 19, 2019, 2 p.m. | 73.6 ppb (71) | 50.6 ppb (47) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 71.0 | |
| Jan. 19, 2019, 1 p.m. | 65.4 ppb (62) | 41.4 ppb (38) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 62.0 | |
| Jan. 19, 2019, noon | 47.7 ppb (44) | 25.1 ppb (23) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 44.0 | |
| Jan. 19, 2019, 11 a.m. | 84.0 ppb (82) | 60.2 ppb (57) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | N/A | 82.0 | |
| Jan. 19, 2019, 10 a.m. | 84.6 ppb (83) | 58.9 ppb (55) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.66 ppb (7) | N/A | N/A | 83.0 | |
| Jan. 19, 2019, 9 a.m. | 89.0 ppb (87) | 61.3 ppb (58) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.71 ppb (8) | N/A | N/A | 87.0 | |
| Jan. 19, 2019, 8 a.m. | 79.7 ppb (77) | 53.2 ppb (49) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.71 ppb (8) | N/A | N/A | 77.0 | |
| Jan. 19, 2019, 7 a.m. | 104.8 ppb (101) | 74.7 ppb (72) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 101.0 | |
| Jan. 19, 2019, 6 a.m. | 118.3 ppb (103) | 83.2 ppb (81) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.95 ppb (11) | N/A | N/A | 103.0 | |
| Jan. 19, 2019, 5 a.m. | 96.5 ppb (95) | 68.2 ppb (65) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.76 ppb (8) | N/A | N/A | 95.0 | |
| Jan. 19, 2019, 4 a.m. | 53.8 ppb (50) | 31.1 ppb (29) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 50.0 | |
| Jan. 19, 2019, 3 a.m. | 61.2 ppb (58) | 36.1 ppb (33) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 58.0 | |
| Jan. 19, 2019, 2 a.m. | 68.1 ppb (65) | 32.7 ppb (30) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 65.0 | |
| Jan. 19, 2019, 1 a.m. | 21.6 ppb (20) | 0.3 ppb (0) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 20.0 | |
| Jan. 19, 2019, midnight | 18.1 ppb (17) | 1.4 ppb (1) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 17.0 | |
| Jan. 18, 2019, 11 p.m. | 27.9 ppb (26) | 8.2 ppb (8) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 26.0 | |
| Jan. 18, 2019, 10 p.m. | 52.9 ppb (49) | 25.8 ppb (24) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 49.0 | |
| Jan. 18, 2019, 9 p.m. | 43.2 ppb (40) | 21.5 ppb (20) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 40.0 | |
| Jan. 18, 2019, 8 p.m. | 63.3 ppb (60) | 33.3 ppb (31) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 60.0 | |
| Jan. 18, 2019, 7 p.m. | 58.7 ppb (55) | 29.6 ppb (27) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 55.0 | |
| Jan. 18, 2019, 6 p.m. | 45.4 ppb (42) | 22.8 ppb (21) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 42.0 | |
| Jan. 18, 2019, 5 p.m. | 65.1 ppb (62) | 37.5 ppb (35) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 62.0 | |
| Jan. 18, 2019, 4 p.m. | 146.0 ppb (109) | 108.5 ppb (101) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.71 ppb (8) | N/A | N/A | 109.0 | |
| Jan. 18, 2019, 3 p.m. | 92.6 ppb (91) | 59.9 ppb (56) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 91.0 | |
| Jan. 18, 2019, 2 p.m. | 46.8 ppb (43) | 18.9 ppb (18) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 43.0 | |
| Jan. 18, 2019, 1 p.m. | 37.0 ppb (34) | 12.9 ppb (12) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 34.0 | |
| Jan. 18, 2019, noon | 72.1 ppb (69) | 38.2 ppb (35) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 69.0 | |
| Jan. 18, 2019, 11 a.m. | 34.5 ppb (32) | 10.3 ppb (10) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 32.0 | |
| Jan. 18, 2019, 10 a.m. | 24.4 ppb (23) | 4.8 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 23.0 | |
| Jan. 18, 2019, 9 a.m. | 34.0 ppb (31) | 12.4 ppb (11) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 31.0 | |
| Jan. 18, 2019, 8 a.m. | 35.8 ppb (33) | 14.0 ppb (13) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 33.0 | |
| Jan. 18, 2019, 7 a.m. | 33.3 ppb (31) | 12.3 ppb (11) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 31.0 | |
| Jan. 18, 2019, 6 a.m. | 33.8 ppb (31) | 12.3 ppb (11) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 31.0 | |
| Jan. 18, 2019, 5 a.m. | 42.4 ppb (39) | 16.6 ppb (15) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 39.0 | |
| Jan. 18, 2019, 4 a.m. | 45.1 ppb (42) | 18.9 ppb (18) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 42.0 | |
| Jan. 18, 2019, 3 a.m. | 52.1 ppb (48) | 22.7 ppb (21) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 48.0 | |
| Jan. 18, 2019, 2 a.m. | 52.2 ppb (48) | 24.6 ppb (23) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 48.0 | |
| Jan. 18, 2019, 1 a.m. | 45.2 ppb (42) | 20.1 ppb (19) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 42.0 | |
| Jan. 18, 2019, midnight | 46.3 ppb (43) | 23.7 ppb (22) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 43.0 | |
| Jan. 17, 2019, 11 p.m. | 50.0 ppb (46) | 26.1 ppb (24) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 46.0 | |
| Jan. 17, 2019, 10 p.m. | 44.2 ppb (41) | 22.7 ppb (21) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 41.0 | |
| Jan. 17, 2019, 9 p.m. | 43.7 ppb (40) | 24.2 ppb (22) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 40.0 | |
| Jan. 17, 2019, 8 p.m. | 52.5 ppb (49) | 28.7 ppb (27) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 49.0 | |
| Jan. 17, 2019, 7 p.m. | 67.9 ppb (65) | 37.7 ppb (35) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 65.0 | |
| Jan. 17, 2019, 6 p.m. | 84.6 ppb (83) | 49.0 ppb (45) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 83.0 | |
| Jan. 17, 2019, 5 p.m. | 80.6 ppb (78) | 44.1 ppb (41) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 78.0 | |
| Jan. 17, 2019, 4 p.m. | 84.4 ppb (82) | 47.9 ppb (44) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 82.0 | |
| Jan. 17, 2019, 3 p.m. | 68.3 ppb (65) | 35.3 ppb (33) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 65.0 | |
| Jan. 17, 2019, 2 p.m. | 64.9 ppb (62) | 34.5 ppb (32) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 62.0 | |
| Jan. 17, 2019, 1 p.m. | 68.7 ppb (66) | 36.6 ppb (34) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 66.0 | |
| Jan. 17, 2019, noon | 62.9 ppb (59) | 31.2 ppb (29) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 59.0 | |
| Jan. 17, 2019, 11 a.m. | 52.6 ppb (49) | 22.9 ppb (21) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 49.0 | |
| Jan. 17, 2019, 10 a.m. | 43.6 ppb (40) | 20.7 ppb (19) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | N/A | 40.0 | |
| Jan. 17, 2019, 9 a.m. | 27.6 ppb (26) | 9.3 ppb (9) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | N/A | 26.0 | |
| Jan. 17, 2019, 8 a.m. | 30.2 ppb (28) | 11.5 ppb (11) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 28.0 | |
| Jan. 17, 2019, 7 a.m. | 37.2 ppb (34) | 14.3 ppb (13) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 34.0 | |
| Jan. 17, 2019, 6 a.m. | 46.5 ppb (43) | 18.6 ppb (17) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 43.0 | |
| Jan. 17, 2019, 5 a.m. | 54.6 ppb (51) | 22.1 ppb (20) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 51.0 | |
| Jan. 17, 2019, 4 a.m. | 68.6 ppb (66) | 34.4 ppb (32) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 66.0 | |
| Jan. 17, 2019, 3 a.m. | 61.5 ppb (58) | 25.2 ppb (23) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 58.0 | |
| Jan. 17, 2019, 2 a.m. | 58.8 ppb (55) | 21.4 ppb (20) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 55.0 | |
| Jan. 17, 2019, 1 a.m. | 50.1 ppb (46) | 14.5 ppb (13) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 46.0 | |
| Jan. 17, 2019, midnight | 26.7 ppb (25) | 3.2 ppb (3) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 25.0 |