Ontario CA, US: 34.0309, -117.617403
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 15, 2019, 5 p.m. | 76.2 ppb (74) | 28.5 ppb (26) | N/A | 48.0 ppb (44) | N/A | N/A | N/A | N/A | N/A | N/A | 74.0 | |
| July 15, 2019, 4 p.m. | 90.3 ppb (89) | 41.8 ppb (39) | N/A | 49.0 ppb (45) | N/A | N/A | N/A | N/A | N/A | N/A | 89.0 | |
| July 15, 2019, 3 p.m. | 105.2 ppb (101) | 59.5 ppb (56) | N/A | 46.0 ppb (43) | N/A | N/A | N/A | N/A | N/A | N/A | 101.0 | |
| July 15, 2019, 2 p.m. | 132.9 ppb (106) | 92.9 ppb (91) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 106.0 | |
| July 15, 2019, 1 p.m. | 113.2 ppb (102) | 80.7 ppb (78) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 | |
| July 15, 2019, noon | 93.9 ppb (92) | 60.1 ppb (56) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 92.0 | |
| July 15, 2019, 11 a.m. | 75.3 ppb (73) | 45.4 ppb (42) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 73.0 | |
| July 15, 2019, 10 a.m. | 62.3 ppb (59) | 32.2 ppb (30) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 | |
| July 15, 2019, 9 a.m. | 38.7 ppb (36) | 12.6 ppb (12) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 15, 2019, 8 a.m. | 36.5 ppb (34) | 11.5 ppb (11) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 | |
| July 15, 2019, 7 a.m. | 37.5 ppb (35) | 12.6 ppb (12) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 | |
| July 15, 2019, 6 a.m. | 28.4 ppb (26) | 6.2 ppb (6) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| July 15, 2019, 5 a.m. | 26.0 ppb (24) | 4.8 ppb (4) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 | |
| July 15, 2019, 4 a.m. | 33.7 ppb (31) | 9.1 ppb (8) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| July 15, 2019, 3 a.m. | 33.5 ppb (31) | 7.5 ppb (7) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| July 15, 2019, 2 a.m. | 26.4 ppb (24) | 4.9 ppb (5) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 | |
| July 15, 2019, 1 a.m. | 22.5 ppb (21) | 4.3 ppb (4) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 15, 2019, midnight | 21.6 ppb (20) | 4.0 ppb (4) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 | |
| July 14, 2019, 11 p.m. | 18.4 ppb (17) | 3.0 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 | |
| July 14, 2019, 10 p.m. | 19.1 ppb (18) | 3.5 ppb (3) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 | |
| July 14, 2019, 9 p.m. | 19.6 ppb (18) | 3.8 ppb (4) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 | |
| July 14, 2019, 8 p.m. | 20.0 ppb (19) | 3.5 ppb (3) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| July 14, 2019, 7 p.m. | 16.1 ppb (15) | 2.4 ppb (2) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 | |
| July 14, 2019, 6 p.m. | 22.6 ppb (21) | 4.1 ppb (4) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 14, 2019, 5 p.m. | 28.7 ppb (27) | 7.3 ppb (7) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 | |
| July 14, 2019, 4 p.m. | 34.1 ppb (32) | 13.3 ppb (12) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 | |
| July 14, 2019, 3 p.m. | 25.5 ppb (24) | 10.6 ppb (10) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 | |
| July 14, 2019, 2 p.m. | 22.0 ppb (20) | 9.2 ppb (9) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 | |
| July 14, 2019, 1 p.m. | 41.2 ppb (38) | 23.6 ppb (22) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| July 14, 2019, noon | 35.0 ppb (32) | 17.8 ppb (16) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 | |
| July 14, 2019, 11 a.m. | 23.0 ppb (21) | 7.9 ppb (7) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 14, 2019, 10 a.m. | 23.0 ppb (21) | 7.7 ppb (7) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 14, 2019, 9 a.m. | 14.6 ppb (14) | 2.0 ppb (2) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| July 14, 2019, 8 a.m. | 18.4 ppb (17) | 4.3 ppb (4) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 | |
| July 14, 2019, 7 a.m. | 22.4 ppb (21) | 6.4 ppb (6) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 14, 2019, 6 a.m. | 29.7 ppb (28) | 11.1 ppb (10) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 | |
| July 14, 2019, 5 a.m. | 27.0 ppb (25) | 7.4 ppb (7) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 | |
| July 14, 2019, 4 a.m. | 30.1 ppb (28) | 9.4 ppb (9) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 | |
| July 14, 2019, 3 a.m. | 33.6 ppb (31) | 8.9 ppb (8) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| July 14, 2019, 2 a.m. | 25.7 ppb (24) | 4.0 ppb (4) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 | |
| July 14, 2019, 1 a.m. | 21.8 ppb (20) | 3.1 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 | |
| July 14, 2019, midnight | 26.6 ppb (25) | 5.5 ppb (5) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 | |
| July 13, 2019, 11 p.m. | 18.9 ppb (18) | 3.5 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 | |
| July 13, 2019, 10 p.m. | 26.0 ppb (24) | 5.1 ppb (5) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 | |
| July 13, 2019, 9 p.m. | 30.2 ppb (28) | 5.7 ppb (5) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 | |
| July 13, 2019, 8 p.m. | 27.3 ppb (25) | 4.2 ppb (4) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 | |
| July 13, 2019, 7 p.m. | 28.8 ppb (27) | 5.6 ppb (5) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 | |
| July 13, 2019, 6 p.m. | 24.3 ppb (23) | 5.4 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 | |
| July 13, 2019, 5 p.m. | 37.9 ppb (35) | 10.6 ppb (10) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 | |
| July 13, 2019, 4 p.m. | 61.7 ppb (58) | 22.2 ppb (21) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 | |
| July 13, 2019, 3 p.m. | 78.8 ppb (76) | 37.3 ppb (35) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | N/A | N/A | N/A | 76.0 | |
| July 13, 2019, 2 p.m. | 70.4 ppb (67) | 36.3 ppb (34) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 | |
| July 13, 2019, 1 p.m. | 46.1 ppb (43) | 19.0 ppb (18) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 13, 2019, noon | 68.0 ppb (65) | 37.6 ppb (35) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 | |
| July 13, 2019, 11 a.m. | 42.9 ppb (40) | 16.6 ppb (15) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 13, 2019, 10 a.m. | 51.5 ppb (48) | 21.2 ppb (20) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 | |
| July 13, 2019, 9 a.m. | 51.7 ppb (48) | 17.6 ppb (16) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 | |
| July 13, 2019, 8 a.m. | 44.3 ppb (41) | 9.6 ppb (9) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 | |
| July 13, 2019, 7 a.m. | 33.5 ppb (31) | 3.4 ppb (3) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| July 13, 2019, 6 a.m. | 46.3 ppb (43) | 11.9 ppb (11) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 13, 2019, 5 a.m. | 61.0 ppb (57) | 16.3 ppb (15) | N/A | 45.0 ppb (42) | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 | |
| July 13, 2019, 4 a.m. | 39.0 ppb (36) | 5.7 ppb (5) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 13, 2019, 3 a.m. | 45.7 ppb (42) | 7.0 ppb (6) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 | |
| July 13, 2019, 2 a.m. | 46.2 ppb (43) | 8.1 ppb (8) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 13, 2019, 1 a.m. | 37.5 ppb (35) | 6.2 ppb (6) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 | |
| July 13, 2019, midnight | 49.0 ppb (45) | 10.3 ppb (10) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 | |
| July 12, 2019, 11 p.m. | 47.2 ppb (44) | 10.5 ppb (10) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 | |
| July 12, 2019, 10 p.m. | 51.0 ppb (47) | 10.4 ppb (10) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 | |
| July 12, 2019, 9 p.m. | 30.4 ppb (28) | 5.7 ppb (5) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 | |
| July 12, 2019, 8 p.m. | 52.6 ppb (49) | 12.0 ppb (11) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| July 12, 2019, 7 p.m. | 34.9 ppb (32) | 6.6 ppb (6) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 | |
| July 12, 2019, 6 p.m. | 63.2 ppb (60) | 18.5 ppb (17) | N/A | 45.0 ppb (42) | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 | |
| July 12, 2019, 5 p.m. | 76.7 ppb (74) | 28.9 ppb (27) | N/A | 48.0 ppb (44) | N/A | N/A | N/A | N/A | N/A | N/A | 74.0 | |
| July 12, 2019, 4 p.m. | 98.5 ppb (97) | 48.5 ppb (45) | N/A | 50.0 ppb (46) | N/A | N/A | N/A | N/A | N/A | N/A | 97.0 | |
| July 12, 2019, 3 p.m. | 97.9 ppb (97) | 53.2 ppb (49) | N/A | 45.0 ppb (42) | N/A | N/A | N/A | N/A | N/A | N/A | 97.0 | |
| July 12, 2019, 2 p.m. | 139.1 ppb (107) | 96.9 ppb (96) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | N/A | N/A | N/A | 107.0 | |
| July 12, 2019, 1 p.m. | 117.8 ppb (103) | 83.7 ppb (82) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 103.0 | |
| July 12, 2019, noon | 124.1 ppb (104) | 89.5 ppb (88) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 104.0 | |
| July 12, 2019, 11 a.m. | 101.2 ppb (100) | 63.8 ppb (60) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 100.0 | |
| July 12, 2019, 10 a.m. | 44.2 ppb (41) | 11.0 ppb (10) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 | |
| July 12, 2019, 9 a.m. | 60.8 ppb (57) | 22.3 ppb (21) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 | |
| July 12, 2019, 8 a.m. | 60.7 ppb (57) | 20.7 ppb (19) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 | |
| July 12, 2019, 7 a.m. | 51.2 ppb (47) | 15.3 ppb (14) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 | |
| July 12, 2019, 6 a.m. | 61.4 ppb (58) | 22.5 ppb (21) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 | |
| July 12, 2019, 5 a.m. | 55.3 ppb (51) | 15.9 ppb (15) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 | |
| July 12, 2019, 4 a.m. | 58.4 ppb (55) | 18.1 ppb (17) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 | |
| July 12, 2019, 3 a.m. | 62.1 ppb (59) | 19.3 ppb (18) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 | |
| July 12, 2019, 2 a.m. | 46.6 ppb (43) | 10.1 ppb (9) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 12, 2019, 1 a.m. | 52.9 ppb (49) | 13.1 ppb (12) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| July 12, 2019, midnight | 39.3 ppb (36) | 8.4 ppb (8) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 11, 2019, 11 p.m. | 46.7 ppb (43) | 10.9 ppb (10) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 11, 2019, 10 p.m. | 39.8 ppb (37) | 8.8 ppb (8) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 | |
| July 11, 2019, 9 p.m. | 45.5 ppb (42) | 9.1 ppb (8) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 | |
| July 11, 2019, 8 p.m. | 50.2 ppb (46) | 12.9 ppb (12) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 11, 2019, 7 p.m. | 56.7 ppb (53) | 18.2 ppb (17) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 | |
| July 11, 2019, 6 p.m. | 61.5 ppb (58) | 19.8 ppb (18) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 | |
| July 11, 2019, 5 p.m. | 88.9 ppb (87) | 36.5 ppb (34) | N/A | 52.0 ppb (48) | N/A | N/A | N/A | N/A | N/A | N/A | 87.0 | |
| July 11, 2019, 4 p.m. | 117.7 ppb (103) | 64.8 ppb (61) | N/A | 53.0 ppb (49) | N/A | N/A | N/A | N/A | N/A | N/A | 103.0 | |
| July 11, 2019, 3 p.m. | 135.7 ppb (107) | 83.3 ppb (81) | N/A | 52.0 ppb (48) | N/A | N/A | N/A | N/A | N/A | N/A | 107.0 | |
| July 11, 2019, 2 p.m. | 153.6 ppb (110) | 106.5 ppb (101) | N/A | 47.0 ppb (44) | N/A | N/A | N/A | N/A | N/A | N/A | 110.0 | |
| July 11, 2019, 1 p.m. | 148.1 ppb (109) | 106.1 ppb (101) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | N/A | N/A | N/A | 109.0 | |
| July 11, 2019, noon | 84.5 ppb (82) | 48.6 ppb (45) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 82.0 | |
| July 11, 2019, 11 a.m. | 74.1 ppb (71) | 34.6 ppb (32) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 | |
| July 11, 2019, 10 a.m. | 69.5 ppb (66) | 33.4 ppb (31) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 | |
| July 11, 2019, 9 a.m. | 67.0 ppb (64) | 28.1 ppb (26) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 | |
| July 11, 2019, 8 a.m. | 52.3 ppb (48) | 16.0 ppb (15) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 | |
| July 11, 2019, 7 a.m. | 52.2 ppb (48) | 17.3 ppb (16) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 | |
| July 11, 2019, 6 a.m. | 52.3 ppb (48) | 16.5 ppb (15) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 | |
| July 11, 2019, 5 a.m. | 62.7 ppb (59) | 21.1 ppb (20) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 | |
| July 11, 2019, 4 a.m. | 58.4 ppb (55) | 16.1 ppb (15) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 | |
| July 11, 2019, 3 a.m. | 50.1 ppb (46) | 12.6 ppb (12) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 11, 2019, 2 a.m. | 50.5 ppb (47) | 12.9 ppb (12) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 | |
| July 11, 2019, 1 a.m. | 49.7 ppb (46) | 13.5 ppb (12) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 11, 2019, midnight | 50.6 ppb (47) | 13.6 ppb (13) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 | |
| July 10, 2019, 11 p.m. | 47.9 ppb (44) | 14.0 ppb (13) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 | |
| July 10, 2019, 10 p.m. | 53.1 ppb (49) | 16.2 ppb (15) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| July 10, 2019, 9 p.m. | 31.6 ppb (29) | 9.2 ppb (9) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 | |
| July 10, 2019, 8 p.m. | 38.2 ppb (35) | 10.1 ppb (9) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 | |
| July 10, 2019, 7 p.m. | 41.4 ppb (38) | 12.7 ppb (12) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| July 10, 2019, 6 p.m. | 64.3 ppb (61) | 25.3 ppb (23) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 | |
| July 10, 2019, 5 p.m. | 65.7 ppb (62) | 26.9 ppb (25) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 | |
| July 10, 2019, 4 p.m. | 86.3 ppb (84) | 44.8 ppb (41) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | N/A | N/A | N/A | 84.0 | |
| July 10, 2019, 3 p.m. | 96.5 ppb (95) | 59.2 ppb (56) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 95.0 | |
| July 10, 2019, 2 p.m. | 101.3 ppb (100) | 67.1 ppb (64) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 100.0 | |
| July 10, 2019, 1 p.m. | 57.7 ppb (54) | 29.0 ppb (27) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 | |
| July 10, 2019, noon | 40.9 ppb (38) | 14.2 ppb (13) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| July 10, 2019, 11 a.m. | 67.3 ppb (64) | 33.0 ppb (31) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 | |
| July 10, 2019, 10 a.m. | 32.1 ppb (30) | 8.1 ppb (8) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 | |
| July 10, 2019, 9 a.m. | 20.3 ppb (19) | 0.6 ppb (1) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| July 10, 2019, 8 a.m. | 39.7 ppb (37) | 10.4 ppb (10) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 | |
| July 10, 2019, 7 a.m. | 38.4 ppb (36) | 9.6 ppb (9) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 10, 2019, 6 a.m. | 46.1 ppb (43) | 14.1 ppb (13) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 10, 2019, 5 a.m. | 46.3 ppb (43) | 14.8 ppb (14) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 10, 2019, 4 a.m. | 46.0 ppb (43) | 15.4 ppb (14) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 10, 2019, 3 a.m. | 52.4 ppb (49) | 16.4 ppb (15) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| July 10, 2019, 2 a.m. | 46.8 ppb (43) | 13.9 ppb (13) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 10, 2019, 1 a.m. | 44.6 ppb (41) | 13.0 ppb (12) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 | |
| July 10, 2019, midnight | 54.1 ppb (50) | 17.5 ppb (16) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 | |
| July 9, 2019, 11 p.m. | 43.3 ppb (40) | 11.4 ppb (11) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 9, 2019, 10 p.m. | 35.0 ppb (32) | 9.0 ppb (8) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 | |
| July 9, 2019, 9 p.m. | 38.0 ppb (35) | 10.6 ppb (10) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 | |
| July 9, 2019, 8 p.m. | 39.8 ppb (37) | 12.3 ppb (11) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 | |
| July 9, 2019, 7 p.m. | 33.1 ppb (31) | 11.2 ppb (10) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| July 9, 2019, 6 p.m. | 55.9 ppb (52) | 24.4 ppb (23) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 | |
| July 9, 2019, 5 p.m. | 69.8 ppb (67) | 35.3 ppb (33) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 | |
| July 9, 2019, 4 p.m. | 63.0 ppb (60) | 33.1 ppb (31) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 | |
| July 9, 2019, 3 p.m. | 63.0 ppb (60) | 33.5 ppb (31) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 | |
| July 9, 2019, 2 p.m. | 75.3 ppb (73) | 42.5 ppb (39) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 73.0 | |
| July 9, 2019, 1 p.m. | 77.4 ppb (75) | 44.9 ppb (42) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 75.0 | |
| July 9, 2019, noon | 67.8 ppb (65) | 38.1 ppb (35) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 | |
| July 9, 2019, 11 a.m. | 10.0 ppb (9) | 1.6 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 | |
| July 9, 2019, 10 a.m. | 41.5 ppb (38) | 15.1 ppb (14) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| July 9, 2019, 9 a.m. | 39.1 ppb (36) | 15.2 ppb (14) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 9, 2019, 8 a.m. | 34.0 ppb (31) | 10.8 ppb (10) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| July 9, 2019, 7 a.m. | 39.0 ppb (36) | 14.0 ppb (13) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 9, 2019, 6 a.m. | 45.2 ppb (42) | 16.7 ppb (15) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 | |
| July 9, 2019, 5 a.m. | 49.9 ppb (46) | 21.1 ppb (20) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 9, 2019, 4 a.m. | 50.4 ppb (47) | 19.8 ppb (18) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 | |
| July 9, 2019, 3 a.m. | 48.8 ppb (45) | 19.7 ppb (18) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 | |
| July 9, 2019, 2 a.m. | 37.2 ppb (34) | 13.7 ppb (13) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 | |
| July 9, 2019, 1 a.m. | 39.9 ppb (37) | 13.8 ppb (13) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 | |
| July 9, 2019, midnight | 45.8 ppb (42) | 16.8 ppb (16) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 | |
| July 8, 2019, 11 p.m. | 49.5 ppb (46) | 18.3 ppb (17) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 8, 2019, 10 p.m. | 36.8 ppb (34) | 12.2 ppb (11) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 | |
| July 8, 2019, 9 p.m. | 27.7 ppb (26) | 9.6 ppb (9) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| July 8, 2019, 8 p.m. | 39.3 ppb (36) | 16.4 ppb (15) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 8, 2019, 7 p.m. | 41.1 ppb (38) | 19.2 ppb (18) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| July 8, 2019, 6 p.m. | 29.7 ppb (28) | 12.4 ppb (11) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 |