Sydney (Welton St) CC, CA: 46.1425, -60.1728
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 21, 2019, 11 a.m. | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 21, 2019, 10 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 21, 2019, 9 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 21, 2019, 8 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 21, 2019, 7 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 8.0 ppb (6) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 21, 2019, 6 a.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 7.0 ppb (5) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 21, 2019, 5 a.m. | N/A | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 5.0 ppb (4) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 21, 2019, 4 a.m. | N/A | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 21, 2019, 3 a.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 21, 2019, 2 a.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 21, 2019, 1 a.m. | N/A | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 21, 2019, midnight | N/A | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 20, 2019, 11 p.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 20, 2019, 10 p.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 20, 2019, 9 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 20, 2019, 8 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 20, 2019, 7 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 20, 2019, 6 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 20, 2019, 5 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 30.0 ppb (23) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 20, 2019, 4 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 20, 2019, 3 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 20, 2019, 2 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 20, 2019, 1 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 20, 2019, noon | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 20, 2019, 11 a.m. | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 20, 2019, 10 a.m. | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 20, 2019, 9 a.m. | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 13.0 ppb (10) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 20, 2019, 8 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 20, 2019, 7 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | N/A | N/A | 3.0 μg/m3 (12) | 13.0 | |
| July 20, 2019, 6 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | N/A | N/A | 3.0 μg/m3 (12) | 16.0 | |
| July 20, 2019, 5 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 20, 2019, 4 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | N/A | N/A | 3.0 μg/m3 (12) | 18.0 | |
| July 20, 2019, 3 a.m. | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | N/A | 3.0 μg/m3 (12) | 20.0 | |
| July 20, 2019, 2 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | N/A | N/A | 3.0 μg/m3 (12) | 22.0 | |
| July 20, 2019, 1 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | N/A | N/A | 3.0 μg/m3 (12) | 22.0 | |
| July 20, 2019, midnight | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | N/A | N/A | 3.0 μg/m3 (12) | 21.0 | |
| July 19, 2019, 11 p.m. | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | N/A | N/A | 4.0 μg/m3 (17) | 21.0 | |
| July 19, 2019, 10 p.m. | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | N/A | 4.0 μg/m3 (17) | 20.0 | |
| July 19, 2019, 9 p.m. | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | N/A | N/A | 4.0 μg/m3 (17) | 19.0 | |
| July 19, 2019, 8 p.m. | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | N/A | 4.0 μg/m3 (17) | 20.0 | |
| July 19, 2019, 7 p.m. | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 19, 2019, 6 p.m. | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 19, 2019, 5 p.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 19, 2019, 4 p.m. | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | N/A | N/A | 4.0 μg/m3 (17) | 21.0 | |
| July 19, 2019, 3 p.m. | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 4.0 μg/m3 (17) | 22.0 | |
| July 19, 2019, 2 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 26.0 ppb (20) | N/A | N/A | 4.0 μg/m3 (17) | 20.0 | |
| July 19, 2019, 1 p.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 4.0 μg/m3 (17) | 19.0 | |
| July 19, 2019, noon | N/A | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 19, 2019, 11 a.m. | N/A | 4.0 ppb (4) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 19, 2019, 10 a.m. | N/A | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 19, 2019, 9 a.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 19, 2019, 8 a.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 19, 2019, 7 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 19, 2019, 6 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | N/A | N/A | 3.0 μg/m3 (12) | 13.0 | |
| July 19, 2019, 5 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | N/A | N/A | 3.0 μg/m3 (12) | 16.0 | |
| July 19, 2019, 4 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | N/A | N/A | 3.0 μg/m3 (12) | 17.0 | |
| July 19, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 19, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 19, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 19, 2019, midnight | N/A | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 4.0 μg/m3 (17) | 18.0 | |
| July 18, 2019, 11 p.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 3.0 μg/m3 (12) | 21.0 | |
| July 18, 2019, 10 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 3.0 μg/m3 (12) | 23.0 | |
| July 18, 2019, 9 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 3.0 μg/m3 (12) | 24.0 | |
| July 18, 2019, 8 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 3.0 μg/m3 (12) | 23.0 | |
| July 18, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 3.0 μg/m3 (12) | 23.0 | |
| July 18, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 3.0 μg/m3 (12) | 22.0 | |
| July 18, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 3.0 μg/m3 (12) | 22.0 | |
| July 18, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | N/A | 3.0 μg/m3 (12) | 20.0 | |
| July 18, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 3.0 μg/m3 (12) | 21.0 | |
| July 12, 2019, 1 p.m. | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 12, 2019, noon | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 12, 2019, 11 a.m. | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 12, 2019, 10 a.m. | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 12, 2019, 9 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 12, 2019, 8 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 12, 2019, 7 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 12, 2019, 6 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 12, 2019, 5 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 12, 2019, 4 a.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | 14.0 ppb (11) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 12, 2019, 3 a.m. | N/A | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | 3.0 ppb (4) | 13.0 ppb (10) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 12, 2019, 2 a.m. | N/A | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | 3.0 ppb (4) | 15.0 ppb (12) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 12, 2019, 1 a.m. | N/A | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 12, 2019, midnight | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 11, 2019, 11 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 11, 2019, 10 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2019, 9 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2019, 8 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2019, 7 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2019, 6 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2019, 5 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2019, 4 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2019, 3 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2019, 2 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 11, 2019, 1 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | N/A | N/A | 4.0 μg/m3 (17) | 18.0 | |
| July 11, 2019, noon | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 11, 2019, 11 a.m. | N/A | -1.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 11, 2019, 10 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | N/A | N/A | 4.0 μg/m3 (17) | 18.0 | |
| July 11, 2019, 9 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | N/A | N/A | 3.0 μg/m3 (12) | 18.0 | |
| July 11, 2019, 8 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | N/A | N/A | 3.0 μg/m3 (12) | 19.0 | |
| July 11, 2019, 7 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | N/A | N/A | 3.0 μg/m3 (12) | 19.0 | |
| July 11, 2019, 6 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | N/A | N/A | 3.0 μg/m3 (12) | 17.0 | |
| July 11, 2019, 5 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | N/A | N/A | 2.0 μg/m3 (8) | 16.0 | |
| July 11, 2019, 4 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | N/A | N/A | 2.0 μg/m3 (8) | 17.0 | |
| July 11, 2019, 3 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | N/A | N/A | 2.0 μg/m3 (8) | 17.0 | |
| July 11, 2019, 2 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | N/A | N/A | 3.0 μg/m3 (12) | 15.0 | |
| July 11, 2019, 1 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | N/A | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 11, 2019, midnight | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | N/A | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 10, 2019, 11 p.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | N/A | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 10, 2019, 10 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | N/A | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 10, 2019, 9 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | N/A | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 10, 2019, 8 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | N/A | N/A | 3.0 μg/m3 (12) | 15.0 | |
| July 10, 2019, 7 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | N/A | N/A | 3.0 μg/m3 (12) | 16.0 | |
| July 10, 2019, 6 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | N/A | N/A | 3.0 μg/m3 (12) | 15.0 | |
| July 10, 2019, 5 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | N/A | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 10, 2019, 4 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | N/A | N/A | 3.0 μg/m3 (12) | 15.0 | |
| July 10, 2019, 3 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | N/A | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 10, 2019, 2 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | N/A | N/A | 3.0 μg/m3 (12) | 15.0 | |
| July 10, 2019, 1 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | N/A | N/A | 3.0 μg/m3 (12) | 13.0 | |
| July 10, 2019, noon | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | N/A | N/A | 3.0 μg/m3 (12) | 13.0 | |
| July 10, 2019, 11 a.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2019, 10 a.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2019, 9 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2019, 8 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2019, 7 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2019, 6 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2019, 5 a.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2019, 4 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2019, 3 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 10, 2019, 2 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | N/A | N/A | 3.0 μg/m3 (12) | 13.0 | |
| July 10, 2019, 1 a.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 10, 2019, midnight | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | N/A | N/A | 2.0 μg/m3 (8) | 14.0 | |
| July 9, 2019, 11 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | N/A | N/A | 2.0 μg/m3 (8) | 13.0 | |
| July 9, 2019, 10 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | N/A | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 9, 2019, 9 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | N/A | N/A | 2.0 μg/m3 (8) | 15.0 | |
| July 9, 2019, 8 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 9, 2019, 7 p.m. | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | 24.0 ppb (18) | N/A | N/A | 4.0 μg/m3 (17) | 18.0 | |
| July 9, 2019, 6 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 9, 2019, 5 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 9, 2019, 4 p.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 9, 2019, 3 p.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 29.0 ppb (22) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 9, 2019, 2 p.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 30.0 ppb (23) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 9, 2019, 1 p.m. | N/A | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 30.0 ppb (23) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 9, 2019, noon | N/A | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 32.0 ppb (25) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 9, 2019, 11 a.m. | N/A | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 30.0 ppb (23) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 9, 2019, 10 a.m. | N/A | 4.0 ppb (4) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 29.0 ppb (22) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 9, 2019, 9 a.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 30.0 ppb (23) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 9, 2019, 8 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 30.0 ppb (23) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 9, 2019, 7 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 9, 2019, 6 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 9, 2019, 5 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 9, 2019, 4 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 9, 2019, 3 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 9, 2019, 2 a.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 9, 2019, 1 a.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 9, 2019, midnight | N/A | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 8, 2019, 11 p.m. | N/A | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 8, 2019, 10 p.m. | N/A | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 30.0 ppb (23) | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
| July 8, 2019, 9 p.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 30.0 ppb (23) | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
| July 8, 2019, 8 p.m. | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 30.0 ppb (23) | N/A | N/A | 5.0 μg/m3 (21) | 23.0 | |
| July 8, 2019, 7 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 29.0 ppb (22) | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
| July 8, 2019, 6 p.m. | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 29.0 ppb (22) | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
| July 8, 2019, 5 p.m. | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
| July 8, 2019, 4 p.m. | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | N/A | N/A | 4.0 μg/m3 (17) | 22.0 | |
| July 8, 2019, 3 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | N/A | N/A | 4.0 μg/m3 (17) | 22.0 | |
| July 8, 2019, 2 p.m. | N/A | -1.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | N/A | 4.0 μg/m3 (17) | 20.0 | |
| July 8, 2019, 1 p.m. | N/A | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 24.0 ppb (18) | N/A | N/A | 4.0 μg/m3 (17) | 18.0 | |
| July 8, 2019, noon | N/A | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 8, 2019, 11 a.m. | N/A | 3.0 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 |