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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 18, 2019, 4 a.m. | 40.6 ppb (38) | 17.8 ppb (16) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 38.0 | |
| July 18, 2019, 3 a.m. | 36.0 ppb (33) | 15.9 ppb (15) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 33.0 | |
| July 18, 2019, 2 a.m. | 37.5 ppb (35) | 14.1 ppb (13) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 35.0 | |
| July 18, 2019, 1 a.m. | 32.3 ppb (30) | 10.5 ppb (10) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 30.0 | |
| July 18, 2019, midnight | 30.1 ppb (28) | 9.2 ppb (9) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 28.0 | |
| July 17, 2019, 11 p.m. | 34.5 ppb (32) | 9.5 ppb (9) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 32.0 | |
| July 17, 2019, 10 p.m. | 37.1 ppb (34) | 10.5 ppb (10) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 34.0 | |
| July 17, 2019, 9 p.m. | 40.1 ppb (37) | 10.4 ppb (10) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 37.0 | |
| July 17, 2019, 8 p.m. | 41.1 ppb (38) | 10.6 ppb (10) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 38.0 | |
| July 17, 2019, 7 p.m. | 41.9 ppb (39) | 14.5 ppb (13) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 39.0 | |
| July 17, 2019, 6 p.m. | 41.3 ppb (38) | 14.9 ppb (14) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 38.0 | |
| July 17, 2019, 5 p.m. | 57.9 ppb (54) | 25.9 ppb (24) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 54.0 | |
| July 17, 2019, 4 p.m. | 67.8 ppb (65) | 36.7 ppb (34) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 65.0 | |
| July 17, 2019, 3 p.m. | 79.7 ppb (77) | 51.1 ppb (47) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 77.0 | |
| July 17, 2019, 2 p.m. | 90.2 ppb (89) | 63.2 ppb (60) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 89.0 | |
| July 17, 2019, 1 p.m. | 88.0 ppb (86) | 63.0 ppb (60) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 86.0 | |
| July 17, 2019, noon | 93.5 ppb (92) | 64.7 ppb (61) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 92.0 | |
| July 17, 2019, 11 a.m. | 65.5 ppb (62) | 39.2 ppb (36) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 62.0 | |
| July 17, 2019, 10 a.m. | 51.4 ppb (48) | 27.8 ppb (26) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 48.0 | |
| July 17, 2019, 9 a.m. | 34.6 ppb (32) | 14.7 ppb (14) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 32.0 | |
| July 17, 2019, 8 a.m. | 33.2 ppb (31) | 14.2 ppb (13) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 31.0 | |
| July 17, 2019, 7 a.m. | 36.1 ppb (33) | 15.0 ppb (14) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 33.0 | |
| July 17, 2019, 6 a.m. | 45.0 ppb (42) | 18.0 ppb (17) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 42.0 | |
| July 17, 2019, 5 a.m. | 27.4 ppb (25) | 6.6 ppb (6) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 25.0 | |
| July 17, 2019, 4 a.m. | 46.5 ppb (43) | 16.8 ppb (16) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 43.0 | |
| July 17, 2019, 3 a.m. | 46.7 ppb (43) | 16.2 ppb (15) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 43.0 | |
| July 17, 2019, 2 a.m. | 38.4 ppb (36) | 9.5 ppb (9) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 36.0 | |
| July 17, 2019, 1 a.m. | 31.5 ppb (29) | 8.4 ppb (8) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 29.0 | |
| July 17, 2019, midnight | 29.6 ppb (27) | 9.4 ppb (9) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 27.0 | |
| July 16, 2019, 11 p.m. | 24.3 ppb (23) | 6.5 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 23.0 | |
| July 16, 2019, 10 p.m. | 30.4 ppb (28) | 9.1 ppb (8) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 28.0 | |
| July 16, 2019, 9 p.m. | 34.5 ppb (32) | 10.4 ppb (10) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 32.0 | |
| July 16, 2019, 8 p.m. | 31.7 ppb (29) | 7.1 ppb (7) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 29.0 | |
| July 16, 2019, 7 p.m. | 46.1 ppb (43) | 10.6 ppb (10) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 43.0 | |
| July 16, 2019, 6 p.m. | 50.6 ppb (47) | 14.4 ppb (13) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 47.0 | |
| July 16, 2019, 5 p.m. | 56.1 ppb (52) | 17.5 ppb (16) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 52.0 | |
| July 16, 2019, 4 p.m. | 96.2 ppb (95) | 41.8 ppb (39) | N/A | 54.0 ppb (50) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | N/A | 95.0 | |
| July 16, 2019, 3 p.m. | 117.0 ppb (103) | 59.9 ppb (56) | N/A | 57.0 ppb (53) | N/A | N/A | N/A | 0.66 ppb (7) | N/A | N/A | 103.0 | |
| July 16, 2019, 2 p.m. | 116.0 ppb (103) | 65.0 ppb (62) | N/A | 51.0 ppb (47) | N/A | N/A | N/A | 0.64 ppb (7) | N/A | N/A | 103.0 | |
| July 16, 2019, 1 p.m. | 116.7 ppb (103) | 70.7 ppb (68) | N/A | 46.0 ppb (43) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | N/A | 103.0 | |
| July 16, 2019, noon | 115.9 ppb (103) | 62.9 ppb (59) | N/A | 53.0 ppb (49) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 103.0 | |
| July 16, 2019, 11 a.m. | 91.8 ppb (90) | 44.7 ppb (41) | N/A | 47.0 ppb (44) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 90.0 | |
| July 16, 2019, 10 a.m. | 84.7 ppb (83) | 38.3 ppb (35) | N/A | 46.0 ppb (43) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 83.0 | |
| July 16, 2019, 9 a.m. | 75.4 ppb (73) | 26.7 ppb (25) | N/A | 49.0 ppb (45) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 73.0 | |
| July 16, 2019, 8 a.m. | 35.1 ppb (32) | 2.5 ppb (2) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 32.0 | |
| July 16, 2019, 7 a.m. | 39.7 ppb (37) | 8.0 ppb (7) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 37.0 | |
| July 16, 2019, 6 a.m. | 50.6 ppb (47) | 11.2 ppb (10) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 47.0 | |
| July 16, 2019, 5 a.m. | 23.7 ppb (22) | 1.7 ppb (2) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 22.0 | |
| July 16, 2019, 4 a.m. | 38.1 ppb (35) | 5.4 ppb (5) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 35.0 | |
| July 16, 2019, 3 a.m. | 53.4 ppb (49) | 10.2 ppb (9) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 49.0 | |
| July 16, 2019, 2 a.m. | 43.7 ppb (40) | 7.5 ppb (7) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 40.0 | |
| July 16, 2019, 1 a.m. | 38.0 ppb (35) | 4.5 ppb (4) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 35.0 | |
| July 16, 2019, midnight | 34.1 ppb (32) | 5.7 ppb (5) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 32.0 | |
| July 15, 2019, 11 p.m. | 34.1 ppb (32) | 7.0 ppb (6) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 32.0 | |
| July 15, 2019, 10 p.m. | 37.3 ppb (35) | 6.3 ppb (6) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 35.0 | |
| July 15, 2019, 9 p.m. | 44.4 ppb (41) | 8.3 ppb (8) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 41.0 | |
| July 15, 2019, 8 p.m. | 47.8 ppb (44) | 11.1 ppb (10) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 44.0 | |
| July 15, 2019, 7 p.m. | 45.9 ppb (42) | 11.5 ppb (11) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 42.0 | |
| July 15, 2019, 6 p.m. | 57.8 ppb (54) | 14.7 ppb (14) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 54.0 | |
| July 15, 2019, 5 p.m. | 62.8 ppb (59) | 21.4 ppb (20) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 59.0 | |
| July 15, 2019, 4 p.m. | 97.1 ppb (96) | 48.1 ppb (45) | N/A | 49.0 ppb (45) | N/A | N/A | N/A | 0.81 ppb (9) | N/A | N/A | 96.0 | |
| July 15, 2019, 3 p.m. | 127.5 ppb (105) | 80.2 ppb (78) | N/A | 47.0 ppb (44) | N/A | N/A | N/A | 0.73 ppb (8) | N/A | N/A | 105.0 | |
| July 15, 2019, 2 p.m. | 129.2 ppb (105) | 86.4 ppb (84) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 0.69 ppb (8) | N/A | N/A | 105.0 | |
| July 15, 2019, 1 p.m. | 123.8 ppb (104) | 82.9 ppb (81) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | N/A | 104.0 | |
| July 15, 2019, noon | 98.0 ppb (97) | 57.8 ppb (54) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 97.0 | |
| July 15, 2019, 11 a.m. | 79.0 ppb (77) | 41.3 ppb (38) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 77.0 | |
| July 15, 2019, 10 a.m. | 59.3 ppb (56) | 25.1 ppb (23) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 56.0 | |
| July 15, 2019, 9 a.m. | 38.8 ppb (36) | 12.7 ppb (12) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 36.0 | |
| July 15, 2019, 8 a.m. | 31.6 ppb (29) | 10.4 ppb (10) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 29.0 | |
| July 15, 2019, 7 a.m. | 36.3 ppb (34) | 9.5 ppb (9) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 34.0 | |
| July 15, 2019, 6 a.m. | 19.8 ppb (18) | 2.0 ppb (2) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 18.0 | |
| July 15, 2019, 5 a.m. | 33.4 ppb (31) | 7.0 ppb (6) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 31.0 | |
| July 15, 2019, 4 a.m. | 25.3 ppb (23) | 4.2 ppb (4) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 23.0 | |
| July 15, 2019, 3 a.m. | 28.7 ppb (27) | 2.9 ppb (3) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 27.0 | |
| July 15, 2019, 2 a.m. | 22.4 ppb (21) | 3.4 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 21.0 | |
| July 15, 2019, 1 a.m. | 20.0 ppb (19) | 3.3 ppb (3) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 19.0 | |
| July 15, 2019, midnight | 18.1 ppb (17) | 3.4 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 17.0 | |
| July 14, 2019, 11 p.m. | 18.5 ppb (17) | 3.2 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 17.0 | |
| July 14, 2019, 10 p.m. | 18.5 ppb (17) | 3.5 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 17.0 | |
| July 14, 2019, 9 p.m. | 18.0 ppb (17) | 3.4 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 17.0 | |
| July 14, 2019, 8 p.m. | 17.0 ppb (16) | 3.1 ppb (3) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 16.0 | |
| July 14, 2019, 7 p.m. | 18.1 ppb (17) | 2.9 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 17.0 | |
| July 14, 2019, 6 p.m. | 23.4 ppb (22) | 4.4 ppb (4) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 22.0 | |
| July 14, 2019, 5 p.m. | 33.7 ppb (31) | 9.0 ppb (8) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 31.0 | |
| July 14, 2019, 4 p.m. | 45.2 ppb (42) | 18.6 ppb (17) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 42.0 | |
| July 14, 2019, 3 p.m. | 39.0 ppb (36) | 19.5 ppb (18) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 36.0 | |
| July 14, 2019, 2 p.m. | 38.3 ppb (35) | 22.2 ppb (21) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 35.0 | |
| July 14, 2019, 1 p.m. | 37.6 ppb (35) | 20.5 ppb (19) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 35.0 | |
| July 14, 2019, noon | 32.7 ppb (30) | 15.1 ppb (14) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 30.0 | |
| July 14, 2019, 11 a.m. | 28.5 ppb (26) | 11.9 ppb (11) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 26.0 | |
| July 14, 2019, 10 a.m. | 22.1 ppb (20) | 8.6 ppb (8) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 20.0 | |
| July 14, 2019, 9 a.m. | 24.5 ppb (23) | 8.7 ppb (8) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 23.0 | |
| July 14, 2019, 8 a.m. | 32.0 ppb (30) | 11.6 ppb (11) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 30.0 | |
| July 14, 2019, 7 a.m. | 33.6 ppb (31) | 10.7 ppb (10) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 31.0 | |
| July 14, 2019, 6 a.m. | 32.6 ppb (30) | 11.1 ppb (10) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 30.0 | |
| July 14, 2019, 5 a.m. | 33.9 ppb (31) | 8.4 ppb (8) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 31.0 | |
| July 14, 2019, 4 a.m. | 29.8 ppb (28) | 5.3 ppb (5) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 28.0 | |
| July 14, 2019, 3 a.m. | 31.8 ppb (29) | 4.6 ppb (4) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 29.0 | |
| July 14, 2019, 2 a.m. | 26.5 ppb (25) | 2.5 ppb (2) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 25.0 | |
| July 14, 2019, 1 a.m. | 22.5 ppb (21) | 2.5 ppb (2) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 21.0 | |
| July 14, 2019, midnight | 20.5 ppb (19) | 3.2 ppb (3) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 19.0 | |
| July 13, 2019, 11 p.m. | 21.0 ppb (19) | 3.7 ppb (3) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 19.0 | |
| July 13, 2019, 10 p.m. | 19.5 ppb (18) | 2.9 ppb (3) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 18.0 | |
| July 13, 2019, 9 p.m. | 20.9 ppb (19) | 3.2 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 19.0 | |
| July 13, 2019, 8 p.m. | 22.8 ppb (21) | 3.5 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 21.0 | |
| July 13, 2019, 7 p.m. | 28.2 ppb (26) | 5.2 ppb (5) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 26.0 | |
| July 13, 2019, 6 p.m. | 36.8 ppb (34) | 8.1 ppb (8) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | N/A | 34.0 | |
| July 13, 2019, 5 p.m. | 50.8 ppb (47) | 12.7 ppb (12) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | N/A | 47.0 | |
| July 13, 2019, 4 p.m. | 59.3 ppb (56) | 20.2 ppb (19) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | N/A | 56.0 | |
| July 13, 2019, 3 p.m. | 94.2 ppb (93) | 45.0 ppb (42) | N/A | 49.0 ppb (45) | N/A | N/A | N/A | 0.77 ppb (9) | N/A | N/A | 93.0 | |
| July 13, 2019, 2 p.m. | 72.5 ppb (70) | 34.9 ppb (32) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | N/A | 70.0 | |
| July 13, 2019, 1 p.m. | 53.9 ppb (50) | 23.1 ppb (21) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 50.0 | |
| July 13, 2019, noon | 76.9 ppb (74) | 40.3 ppb (37) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | N/A | 74.0 | |
| July 13, 2019, 11 a.m. | 57.7 ppb (54) | 23.6 ppb (22) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 54.0 | |
| July 13, 2019, 10 a.m. | 62.0 ppb (59) | 25.5 ppb (24) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 59.0 | |
| July 13, 2019, 9 a.m. | 59.0 ppb (55) | 19.9 ppb (18) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 55.0 | |
| July 13, 2019, 8 a.m. | 50.8 ppb (47) | 10.9 ppb (10) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 47.0 | |
| July 13, 2019, 7 a.m. | 62.8 ppb (59) | 18.0 ppb (17) | N/A | 45.0 ppb (42) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | N/A | 59.0 | |
| July 13, 2019, 6 a.m. | 49.3 ppb (46) | 12.2 ppb (11) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | N/A | 46.0 | |
| July 13, 2019, 5 a.m. | 54.8 ppb (51) | 11.1 ppb (10) | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 51.0 | |
| July 13, 2019, 4 a.m. | 45.5 ppb (42) | 7.7 ppb (7) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 42.0 | |
| July 13, 2019, 3 a.m. | 42.7 ppb (40) | 5.8 ppb (5) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 40.0 | |
| July 13, 2019, 2 a.m. | 41.3 ppb (38) | 4.4 ppb (4) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 38.0 | |
| July 13, 2019, 1 a.m. | 43.5 ppb (40) | 6.9 ppb (6) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 40.0 | |
| July 13, 2019, midnight | 34.1 ppb (32) | 4.8 ppb (4) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 32.0 | |
| July 12, 2019, 11 p.m. | 40.4 ppb (37) | 6.0 ppb (6) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | N/A | 37.0 | |
| July 12, 2019, 10 p.m. | 36.3 ppb (34) | 5.1 ppb (5) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 34.0 | |
| July 12, 2019, 9 p.m. | 40.9 ppb (38) | 8.2 ppb (8) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 38.0 | |
| July 12, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 12, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 12, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 12, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 12, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 12, 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 | |
| July 12, 2019, 2 p.m. | 93.9 ppb (92) | 61.7 ppb (58) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | N/A | 92.0 | |
| July 12, 2019, 1 p.m. | 106.7 ppb (101) | 74.9 ppb (72) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 101.0 | |
| July 12, 2019, noon | 112.9 ppb (102) | 78.4 ppb (76) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.63 ppb (7) | N/A | N/A | 102.0 | |
| July 12, 2019, 11 a.m. | 92.2 ppb (91) | 54.3 ppb (50) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 91.0 | |
| July 12, 2019, 10 a.m. | 73.1 ppb (70) | 37.1 ppb (34) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 70.0 | |
| July 12, 2019, 9 a.m. | 72.6 ppb (70) | 32.6 ppb (30) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 70.0 | |
| July 12, 2019, 8 a.m. | 72.5 ppb (70) | 30.7 ppb (28) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 70.0 | |
| July 12, 2019, 7 a.m. | 63.4 ppb (60) | 19.7 ppb (18) | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 60.0 | |
| July 12, 2019, 6 a.m. | 46.6 ppb (43) | 9.9 ppb (9) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 43.0 | |
| July 12, 2019, 5 a.m. | 58.7 ppb (55) | 17.3 ppb (16) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 55.0 | |
| July 12, 2019, 4 a.m. | 56.7 ppb (53) | 16.2 ppb (15) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 53.0 | |
| July 12, 2019, 3 a.m. | 32.8 ppb (30) | 6.2 ppb (6) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 30.0 | |
| July 12, 2019, 2 a.m. | 41.7 ppb (39) | 5.1 ppb (5) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 39.0 | |
| July 12, 2019, 1 a.m. | 42.8 ppb (40) | 6.7 ppb (6) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 40.0 | |
| July 12, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 11, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 11, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 11, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 11, 2019, 8 p.m. | 33.0 ppb (31) | 9.3 ppb (9) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 31.0 | |
| July 11, 2019, 7 p.m. | 37.6 ppb (35) | 10.4 ppb (10) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 35.0 | |
| July 11, 2019, 6 p.m. | 51.9 ppb (48) | 16.4 ppb (15) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 48.0 | |
| July 11, 2019, 5 p.m. | 54.2 ppb (50) | 18.8 ppb (17) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 50.0 | |
| July 11, 2019, 4 p.m. | 69.0 ppb (66) | 31.4 ppb (29) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | N/A | 66.0 | |
| July 11, 2019, 3 p.m. | 89.7 ppb (88) | 50.2 ppb (46) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.65 ppb (7) | N/A | N/A | 88.0 | |
| July 11, 2019, 2 p.m. | 104.9 ppb (101) | 67.4 ppb (64) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.67 ppb (7) | N/A | N/A | 101.0 | |
| July 11, 2019, 1 p.m. | 104.0 ppb (101) | 67.0 ppb (64) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.64 ppb (7) | N/A | N/A | 101.0 | |
| July 11, 2019, noon | 92.8 ppb (91) | 53.2 ppb (49) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | N/A | 91.0 | |
| July 11, 2019, 11 a.m. | 83.4 ppb (81) | 42.6 ppb (39) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 81.0 | |
| July 11, 2019, 10 a.m. | 73.4 ppb (71) | 33.0 ppb (31) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 71.0 | |
| July 11, 2019, 9 a.m. | 56.4 ppb (53) | 19.2 ppb (18) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 53.0 | |
| July 11, 2019, 8 a.m. | 54.3 ppb (50) | 17.6 ppb (16) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 50.0 | |
| July 11, 2019, 7 a.m. | 44.0 ppb (41) | 12.3 ppb (11) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 41.0 | |
| July 11, 2019, 6 a.m. | 49.9 ppb (46) | 13.4 ppb (12) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 46.0 | |
| July 11, 2019, 5 a.m. | 47.3 ppb (44) | 12.3 ppb (11) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 44.0 |