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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 23, 2019, 5 a.m. | 53.2 ppb (49) | 16.5 ppb (15) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 49.0 | |
| March 23, 2019, 4 a.m. | 51.0 ppb (47) | 18.2 ppb (17) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 47.0 | |
| March 23, 2019, 3 a.m. | 44.0 ppb (41) | 14.7 ppb (14) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 41.0 | |
| March 23, 2019, 2 a.m. | 43.6 ppb (40) | 13.7 ppb (13) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 40.0 | |
| March 23, 2019, 1 a.m. | 42.6 ppb (39) | 13.4 ppb (12) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 39.0 | |
| March 23, 2019, midnight | 36.0 ppb (33) | 11.7 ppb (11) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 33.0 | |
| March 22, 2019, 11 p.m. | 33.6 ppb (31) | 11.5 ppb (11) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 31.0 | |
| March 22, 2019, 10 p.m. | 24.9 ppb (23) | 8.3 ppb (8) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 23.0 | |
| March 22, 2019, 9 p.m. | 21.3 ppb (20) | 7.1 ppb (7) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 20.0 | |
| March 22, 2019, 8 p.m. | 36.5 ppb (34) | 16.1 ppb (15) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 34.0 | |
| March 22, 2019, 7 p.m. | 39.1 ppb (36) | 16.8 ppb (16) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 36.0 | |
| March 22, 2019, 6 p.m. | 32.1 ppb (30) | 14.0 ppb (13) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 30.0 | |
| March 22, 2019, 5 p.m. | 54.9 ppb (51) | 27.3 ppb (25) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 51.0 | |
| March 22, 2019, 4 p.m. | 56.0 ppb (52) | 26.6 ppb (25) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 52.0 | |
| March 22, 2019, 3 p.m. | 78.3 ppb (76) | 43.0 ppb (40) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 76.0 | |
| March 22, 2019, 2 p.m. | 89.3 ppb (88) | 52.3 ppb (48) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 88.0 | |
| March 22, 2019, 1 p.m. | 101.0 ppb (100) | 61.2 ppb (58) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 100.0 | |
| March 22, 2019, noon | 81.8 ppb (80) | 43.9 ppb (41) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 80.0 | |
| March 22, 2019, 11 a.m. | 62.2 ppb (59) | 29.4 ppb (27) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 59.0 | |
| March 22, 2019, 10 a.m. | 41.1 ppb (38) | 15.5 ppb (14) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 38.0 | |
| March 22, 2019, 9 a.m. | 37.5 ppb (35) | 12.2 ppb (11) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 35.0 | |
| March 22, 2019, 8 a.m. | 35.2 ppb (33) | 11.5 ppb (11) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 33.0 | |
| March 22, 2019, 7 a.m. | 38.9 ppb (36) | 12.4 ppb (11) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 36.0 | |
| March 22, 2019, 6 a.m. | 48.3 ppb (45) | 17.6 ppb (16) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 45.0 | |
| March 22, 2019, 5 a.m. | 42.2 ppb (39) | 14.9 ppb (14) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 39.0 | |
| March 22, 2019, 4 a.m. | 45.7 ppb (42) | 18.0 ppb (17) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 42.0 | |
| March 22, 2019, 3 a.m. | 39.6 ppb (37) | 15.1 ppb (14) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 37.0 | |
| March 22, 2019, 2 a.m. | 40.7 ppb (38) | 16.2 ppb (15) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 38.0 | |
| March 22, 2019, 1 a.m. | 34.6 ppb (32) | 12.9 ppb (12) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 32.0 | |
| March 22, 2019, midnight | 33.2 ppb (31) | 12.7 ppb (12) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 31.0 | |
| March 21, 2019, 11 p.m. | 36.4 ppb (34) | 14.9 ppb (14) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 34.0 | |
| March 21, 2019, 10 p.m. | 44.3 ppb (41) | 21.1 ppb (20) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 41.0 | |
| March 21, 2019, 9 p.m. | 41.0 ppb (38) | 19.8 ppb (18) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 38.0 | |
| March 21, 2019, 8 p.m. | 55.0 ppb (51) | 27.9 ppb (26) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 51.0 | |
| March 21, 2019, 7 p.m. | 45.3 ppb (42) | 20.2 ppb (19) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 42.0 | |
| March 21, 2019, 6 p.m. | 67.1 ppb (64) | 33.4 ppb (31) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | N/A | 64.0 | |
| March 21, 2019, 5 p.m. | 55.8 ppb (52) | 28.5 ppb (26) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 52.0 | |
| March 21, 2019, 4 p.m. | 64.1 ppb (61) | 31.5 ppb (29) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 61.0 | |
| March 21, 2019, 3 p.m. | 65.3 ppb (62) | 32.7 ppb (30) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 62.0 | |
| March 21, 2019, 2 p.m. | 70.3 ppb (67) | 34.2 ppb (32) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 67.0 | |
| March 21, 2019, 1 p.m. | 76.2 ppb (74) | 39.1 ppb (36) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 74.0 | |
| March 21, 2019, noon | 67.4 ppb (64) | 32.5 ppb (30) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 64.0 | |
| March 21, 2019, 11 a.m. | 48.9 ppb (45) | 22.0 ppb (20) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 45.0 | |
| March 21, 2019, 10 a.m. | 37.4 ppb (35) | 15.9 ppb (15) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 35.0 | |
| March 21, 2019, 9 a.m. | 38.0 ppb (35) | 14.1 ppb (13) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 35.0 | |
| March 21, 2019, 8 a.m. | 31.9 ppb (30) | 10.6 ppb (10) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 30.0 | |
| March 21, 2019, 7 a.m. | 30.3 ppb (28) | 10.8 ppb (10) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 28.0 | |
| March 21, 2019, 6 a.m. | 41.2 ppb (38) | 15.2 ppb (14) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 38.0 | |
| March 21, 2019, 5 a.m. | 60.5 ppb (57) | 24.0 ppb (22) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 57.0 | |
| March 21, 2019, 4 a.m. | 48.8 ppb (45) | 15.1 ppb (14) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 45.0 | |
| March 21, 2019, 3 a.m. | 39.9 ppb (37) | 11.0 ppb (10) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 37.0 | |
| March 21, 2019, 2 a.m. | 45.5 ppb (42) | 17.2 ppb (16) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 42.0 | |
| March 21, 2019, 1 a.m. | 54.1 ppb (50) | 20.9 ppb (19) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 50.0 | |
| March 21, 2019, midnight | 45.9 ppb (42) | 16.0 ppb (15) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 42.0 | |
| March 20, 2019, 11 p.m. | 35.6 ppb (33) | 10.9 ppb (10) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 33.0 | |
| March 20, 2019, 10 p.m. | 16.7 ppb (15) | 4.7 ppb (4) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 15.0 | |
| March 20, 2019, 9 p.m. | 11.0 ppb (10) | 2.0 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 10.0 | |
| March 20, 2019, 8 p.m. | 11.4 ppb (11) | 2.6 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 11.0 | |
| March 20, 2019, 7 p.m. | 31.8 ppb (29) | 12.8 ppb (12) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 29.0 | |
| March 20, 2019, 6 p.m. | 40.6 ppb (38) | 17.9 ppb (17) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 38.0 | |
| March 20, 2019, 5 p.m. | 27.7 ppb (26) | 8.8 ppb (8) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 26.0 | |
| March 20, 2019, 4 p.m. | 33.6 ppb (31) | 9.7 ppb (9) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 31.0 | |
| March 20, 2019, 3 p.m. | 38.3 ppb (35) | 10.4 ppb (10) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 35.0 | |
| March 20, 2019, 2 p.m. | 75.1 ppb (72) | 35.2 ppb (33) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 72.0 | |
| March 20, 2019, 1 p.m. | 90.1 ppb (88) | 46.8 ppb (43) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | N/A | 88.0 | |
| March 20, 2019, noon | 55.7 ppb (52) | 22.6 ppb (21) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 52.0 | |
| March 20, 2019, 11 a.m. | 22.0 ppb (20) | 1.5 ppb (1) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | N/A | 20.0 | |
| March 20, 2019, 10 a.m. | 21.1 ppb (20) | 1.8 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 20.0 | |
| March 20, 2019, 9 a.m. | 7.1 ppb (7) | -0.3 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.13 ppb (1) | N/A | N/A | 7.0 | |
| March 20, 2019, 8 a.m. | 14.3 ppb (13) | 1.8 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 13.0 | |
| March 20, 2019, 7 a.m. | 9.1 ppb (8) | 0.2 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.13 ppb (1) | N/A | N/A | 8.0 | |
| March 20, 2019, 6 a.m. | 18.9 ppb (18) | 3.0 ppb (3) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 18.0 | |
| March 20, 2019, 5 a.m. | 24.7 ppb (23) | 4.6 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 23.0 | |
| March 20, 2019, 4 a.m. | 27.8 ppb (26) | 6.7 ppb (6) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 26.0 | |
| March 20, 2019, 3 a.m. | 50.3 ppb (47) | 16.4 ppb (15) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 47.0 | |
| March 20, 2019, 2 a.m. | 34.4 ppb (32) | 8.1 ppb (8) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 32.0 | |
| March 20, 2019, 1 a.m. | 36.3 ppb (34) | 11.1 ppb (10) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 34.0 | |
| March 20, 2019, midnight | 37.4 ppb (35) | 10.5 ppb (10) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 35.0 | |
| March 19, 2019, 11 p.m. | 31.8 ppb (29) | 8.4 ppb (8) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 29.0 | |
| March 19, 2019, 10 p.m. | 21.8 ppb (20) | 5.5 ppb (5) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | N/A | 20.0 | |
| March 19, 2019, 9 p.m. | 39.5 ppb (37) | 13.1 ppb (12) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 37.0 | |
| March 19, 2019, 8 p.m. | 52.3 ppb (48) | 19.0 ppb (18) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 48.0 | |
| March 19, 2019, 7 p.m. | 66.4 ppb (63) | 25.4 ppb (24) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 63.0 | |
| March 19, 2019, 6 p.m. | 70.7 ppb (68) | 28.4 ppb (26) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 68.0 | |
| March 19, 2019, 5 p.m. | 113.0 ppb (102) | 59.3 ppb (56) | N/A | 54.0 ppb (50) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | N/A | 102.0 | |
| March 19, 2019, 4 p.m. | 108.3 ppb (101) | 58.3 ppb (55) | N/A | 50.0 ppb (46) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | N/A | 101.0 | |
| March 19, 2019, 3 p.m. | 138.1 ppb (107) | 89.7 ppb (88) | N/A | 48.0 ppb (44) | N/A | N/A | N/A | 0.75 ppb (8) | N/A | N/A | 107.0 | |
| March 19, 2019, 2 p.m. | 151.5 ppb (110) | 107.8 ppb (101) | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 0.83 ppb (9) | N/A | N/A | 110.0 | |
| March 19, 2019, 1 p.m. | 177.8 ppb (115) | 130.1 ppb (106) | N/A | 48.0 ppb (44) | N/A | N/A | N/A | 0.84 ppb (9) | N/A | N/A | 115.0 | |
| March 19, 2019, noon | 106.0 ppb (101) | 65.4 ppb (62) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | N/A | 101.0 | |
| March 19, 2019, 11 a.m. | 111.4 ppb (102) | 70.2 ppb (67) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 102.0 | |
| March 19, 2019, 10 a.m. | 85.8 ppb (84) | 43.1 ppb (40) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 84.0 | |
| March 19, 2019, 9 a.m. | 76.4 ppb (74) | 27.8 ppb (26) | N/A | 49.0 ppb (45) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 74.0 | |
| March 19, 2019, 8 a.m. | 63.5 ppb (60) | 12.6 ppb (12) | N/A | 51.0 ppb (47) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 60.0 | |
| March 19, 2019, 7 a.m. | 75.8 ppb (73) | 19.0 ppb (18) | N/A | 57.0 ppb (53) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 73.0 | |
| March 19, 2019, 6 a.m. | 82.0 ppb (80) | 24.2 ppb (22) | N/A | 58.0 ppb (54) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 80.0 | |
| March 19, 2019, 5 a.m. | 58.5 ppb (55) | 10.6 ppb (10) | N/A | 48.0 ppb (44) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 55.0 | |
| March 19, 2019, 4 a.m. | 37.5 ppb (35) | 3.6 ppb (3) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 35.0 | |
| March 19, 2019, 3 a.m. | 55.4 ppb (51) | 11.6 ppb (11) | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 51.0 | |
| March 19, 2019, 2 a.m. | 55.9 ppb (52) | 13.7 ppb (13) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 52.0 | |
| March 19, 2019, 1 a.m. | 44.7 ppb (41) | 10.4 ppb (10) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 41.0 | |
| March 19, 2019, midnight | 43.9 ppb (41) | 13.4 ppb (12) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | N/A | 41.0 | |
| March 18, 2019, 11 p.m. | 39.9 ppb (37) | 13.4 ppb (12) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 37.0 | |
| March 18, 2019, 10 p.m. | 37.5 ppb (35) | 11.4 ppb (11) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 35.0 | |
| March 18, 2019, 9 p.m. | 36.2 ppb (34) | 14.2 ppb (13) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 34.0 | |
| March 18, 2019, 8 p.m. | 43.1 ppb (40) | 19.0 ppb (18) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 40.0 | |
| March 18, 2019, 7 p.m. | 40.3 ppb (37) | 16.4 ppb (15) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | N/A | 37.0 | |
| March 18, 2019, 6 p.m. | 58.0 ppb (54) | 25.5 ppb (24) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | N/A | 54.0 | |
| March 18, 2019, 5 p.m. | 78.3 ppb (76) | 40.8 ppb (38) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 76.0 | |
| March 18, 2019, 4 p.m. | 99.8 ppb (99) | 57.1 ppb (53) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 99.0 | |
| March 18, 2019, 3 p.m. | 96.1 ppb (95) | 56.9 ppb (53) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | N/A | 95.0 | |
| March 18, 2019, 2 p.m. | 161.2 ppb (112) | 115.8 ppb (103) | N/A | 45.0 ppb (42) | N/A | N/A | N/A | 0.83 ppb (9) | N/A | N/A | 112.0 | |
| March 18, 2019, 1 p.m. | 161.8 ppb (112) | 119.3 ppb (104) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | 0.81 ppb (9) | N/A | N/A | 112.0 | |
| March 18, 2019, noon | 118.4 ppb (103) | 78.1 ppb (76) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.67 ppb (7) | N/A | N/A | 103.0 | |
| March 18, 2019, 11 a.m. | 126.1 ppb (105) | 89.2 ppb (87) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.63 ppb (7) | N/A | N/A | 105.0 | |
| March 18, 2019, 10 a.m. | 86.1 ppb (84) | 50.4 ppb (47) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | N/A | 84.0 | |
| March 18, 2019, 9 a.m. | 66.9 ppb (64) | 29.8 ppb (28) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | N/A | 64.0 | |
| March 18, 2019, 8 a.m. | 51.4 ppb (48) | 11.4 ppb (11) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 48.0 | |
| March 18, 2019, 7 a.m. | 43.1 ppb (40) | 6.4 ppb (6) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | N/A | 40.0 | |
| March 18, 2019, 6 a.m. | 30.8 ppb (29) | 1.3 ppb (1) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 29.0 | |
| March 18, 2019, 5 a.m. | 28.5 ppb (26) | 2.6 ppb (2) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | N/A | 26.0 | |
| March 18, 2019, 4 a.m. | 26.3 ppb (24) | 2.5 ppb (2) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 24.0 | |
| March 18, 2019, 3 a.m. | 35.1 ppb (32) | 7.1 ppb (7) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | N/A | 32.0 | |
| March 18, 2019, 2 a.m. | 38.3 ppb (35) | 7.4 ppb (7) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 35.0 | |
| March 18, 2019, 1 a.m. | 35.3 ppb (33) | 7.9 ppb (7) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | N/A | 33.0 | |
| March 18, 2019, midnight | 22.6 ppb (21) | 6.5 ppb (6) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 21.0 | |
| March 17, 2019, 11 p.m. | 12.1 ppb (11) | 2.7 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | N/A | 11.0 | |
| March 17, 2019, 10 p.m. | 12.9 ppb (12) | 3.3 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | N/A | 12.0 | |
| March 17, 2019, 9 p.m. | 7.4 ppb (7) | 1.5 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 7.0 | |
| March 17, 2019, 8 p.m. | 10.7 ppb (10) | 3.0 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 10.0 | |
| March 17, 2019, 7 p.m. | 27.9 ppb (26) | 9.6 ppb (9) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 26.0 | |
| March 17, 2019, 6 p.m. | 44.4 ppb (41) | 17.6 ppb (16) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 41.0 | |
| March 17, 2019, 5 p.m. | 63.4 ppb (60) | 29.0 ppb (27) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 60.0 | |
| March 17, 2019, 4 p.m. | 58.9 ppb (55) | 26.7 ppb (25) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | N/A | 55.0 | |
| March 17, 2019, 3 p.m. | 70.9 ppb (68) | 38.9 ppb (36) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | N/A | 68.0 | |
| March 17, 2019, 2 p.m. | 104.4 ppb (101) | 68.9 ppb (66) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.67 ppb (7) | N/A | N/A | 101.0 | |
| March 17, 2019, 1 p.m. | 99.1 ppb (98) | 62.5 ppb (59) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.71 ppb (8) | N/A | N/A | 98.0 | |
| March 17, 2019, noon | 117.0 ppb (103) | 82.1 ppb (80) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | N/A | 103.0 | |
| March 17, 2019, 11 a.m. | 68.6 ppb (66) | 34.7 ppb (32) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | N/A | 66.0 | |
| March 17, 2019, 10 a.m. | 85.2 ppb (83) | 47.1 ppb (44) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 83.0 | |
| March 17, 2019, 9 a.m. | 41.2 ppb (38) | 5.6 ppb (5) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 38.0 | |
| March 17, 2019, 8 a.m. | 60.9 ppb (57) | 18.5 ppb (17) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | N/A | 57.0 | |
| March 17, 2019, 7 a.m. | 49.5 ppb (46) | 11.0 ppb (10) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 46.0 | |
| March 17, 2019, 6 a.m. | 16.6 ppb (15) | 1.7 ppb (2) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | N/A | 15.0 | |
| March 17, 2019, 5 a.m. | 7.7 ppb (7) | -0.5 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 7.0 | |
| March 17, 2019, 4 a.m. | 7.6 ppb (7) | -0.4 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | N/A | 7.0 | |
| March 17, 2019, 3 a.m. | 6.1 ppb (6) | -0.6 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 6.0 | |
| March 17, 2019, 2 a.m. | 4.6 ppb (4) | -0.7 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | N/A | 5.0 | |
| March 17, 2019, 1 a.m. | 3.3 ppb (3) | -0.6 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | N/A | 4.0 | |
| March 17, 2019, midnight | 2.6 ppb (2) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.12 ppb (1) | N/A | N/A | 3.0 | |
| March 16, 2019, 11 p.m. | 1.9 ppb (2) | -0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 2.0 | |
| March 16, 2019, 10 p.m. | 2.1 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 2.0 | |
| March 16, 2019, 9 p.m. | 2.6 ppb (2) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 3.0 | |
| March 16, 2019, 8 p.m. | 3.1 ppb (3) | 0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 3.0 | |
| March 16, 2019, 7 p.m. | 3.4 ppb (3) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.12 ppb (1) | N/A | N/A | 3.0 | |
| March 16, 2019, 6 p.m. | 4.2 ppb (4) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.13 ppb (1) | N/A | N/A | 4.0 | |
| March 16, 2019, 5 p.m. | 4.5 ppb (4) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | N/A | 4.0 | |
| March 16, 2019, 4 p.m. | 7.2 ppb (7) | 1.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 7.0 | |
| March 16, 2019, 3 p.m. | 5.3 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | N/A | 5.0 | |
| March 16, 2019, 2 p.m. | 6.3 ppb (6) | 0.5 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.12 ppb (1) | N/A | N/A | 6.0 | |
| March 16, 2019, 1 p.m. | 9.0 ppb (8) | 0.5 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.12 ppb (1) | N/A | N/A | 8.0 | |
| March 16, 2019, noon | 4.8 ppb (4) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 5.0 | |
| March 16, 2019, 11 a.m. | 3.9 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 | |
| March 16, 2019, 10 a.m. | 3.9 ppb (4) | -0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 4.0 | |
| March 16, 2019, 9 a.m. | 5.2 ppb (5) | -0.3 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 6.0 | |
| March 16, 2019, 8 a.m. | 4.9 ppb (5) | -0.4 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.12 ppb (1) | N/A | N/A | 5.0 | |
| March 16, 2019, 7 a.m. | 2.5 ppb (2) | -0.6 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.11 ppb (1) | N/A | N/A | 3.0 | |
| March 16, 2019, 6 a.m. | 4.3 ppb (4) | -0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | N/A | 5.0 |