Adair Co OK, US: 35.750599, -94.669701
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 19, 2019, 11 a.m. | N/A | N/A | 0.2 ppb (0) | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (28) | N/A | 15.0 μg/m3 (14) | 2.2 μg/m3 (9) | 28.0 | |
| May 19, 2019, 10 a.m. | N/A | N/A | -0.1 ppb (0) | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | N/A | 16.0 μg/m3 (15) | 3.0 μg/m3 (12) | 27.0 | |
| May 19, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 34.0 ppb (26) | N/A | 14.0 μg/m3 (13) | 5.9 μg/m3 (25) | 26.0 | |
| May 19, 2019, 8 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | 10.0 μg/m3 (9) | 3.2 μg/m3 (13) | 31.0 | |
| May 19, 2019, 7 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 14.0 μg/m3 (13) | 3.0 μg/m3 (12) | 33.0 | |
| May 19, 2019, 6 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | 9.0 μg/m3 (8) | 1.1 μg/m3 (5) | 34.0 | |
| May 19, 2019, 5 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 9.0 μg/m3 (8) | -0.9 μg/m3 (0) | 8.0 | |
| May 19, 2019, 4 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.0 μg/m3 (7) | 2.8 μg/m3 (12) | 12.0 | |
| May 19, 2019, 3 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (38) | N/A | 9.0 μg/m3 (8) | 3.0 μg/m3 (12) | 38.0 | |
| May 19, 2019, 2 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 0.0 ppb (0) | 51.0 ppb (39) | N/A | 12.0 μg/m3 (11) | 2.1 μg/m3 (9) | 39.0 | |
| May 19, 2019, 1 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 0.0 ppb (0) | 53.0 ppb (41) | N/A | 12.0 μg/m3 (11) | 2.0 μg/m3 (8) | 41.0 | |
| May 19, 2019, midnight | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 0.0 ppb (0) | 55.0 ppb (42) | N/A | 5.0 μg/m3 (5) | 2.0 μg/m3 (8) | 42.0 | |
| May 18, 2019, 11 p.m. | N/A | N/A | 0.8 ppb (1) | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (44) | N/A | 7.0 μg/m3 (6) | 0.1 μg/m3 (0) | 44.0 | |
| May 18, 2019, 10 p.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 0.0 ppb (0) | 60.0 ppb (46) | N/A | 6.0 μg/m3 (5) | -1.0 μg/m3 (0) | 46.0 | |
| May 18, 2019, 9 p.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 0.0 ppb (0) | 58.0 ppb (45) | N/A | 5.0 μg/m3 (5) | 0.9 μg/m3 (4) | 45.0 | |
| May 18, 2019, 8 p.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | 58.0 ppb (45) | N/A | 6.0 μg/m3 (5) | 4.8 μg/m3 (20) | 45.0 | |
| May 18, 2019, 7 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 60.0 ppb (46) | N/A | 6.0 μg/m3 (5) | 9.8 μg/m3 (41) | 46.0 | |
| May 18, 2019, 6 p.m. | N/A | N/A | 0.4 ppb (0) | N/A | N/A | 1.0 ppb (1) | 39.0 ppb (30) | N/A | 22.0 μg/m3 (20) | 14.8 μg/m3 (56) | 56.0 | |
| May 18, 2019, 5 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | 20.0 μg/m3 (18) | 9.3 μg/m3 (39) | 39.0 | |
| May 18, 2019, 4 p.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | N/A | 17.0 μg/m3 (15) | 10.0 μg/m3 (42) | 42.0 | |
| May 18, 2019, 3 p.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 1.0 ppb (1) | 26.0 ppb (20) | N/A | 24.0 μg/m3 (22) | 5.3 μg/m3 (22) | 22.0 | |
| May 18, 2019, 2 p.m. | N/A | N/A | 0.8 ppb (1) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | N/A | 20.0 μg/m3 (18) | 6.9 μg/m3 (29) | 29.0 | |
| May 18, 2019, 1 p.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 0.0 ppb (0) | 25.0 ppb (19) | N/A | 21.0 μg/m3 (19) | 8.9 μg/m3 (37) | 37.0 | |
| May 18, 2019, noon | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | N/A | 20.0 μg/m3 (18) | 10.0 μg/m3 (42) | 42.0 | |
| May 18, 2019, 11 a.m. | N/A | N/A | 0.8 ppb (1) | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | N/A | 20.0 μg/m3 (18) | 6.2 μg/m3 (26) | 26.0 | |
| May 18, 2019, 10 a.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | 16.0 μg/m3 (15) | 7.0 μg/m3 (29) | 29.0 | |
| May 18, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | 19.0 μg/m3 (17) | 8.9 μg/m3 (37) | 37.0 | |
| May 18, 2019, 8 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | 15.0 μg/m3 (14) | 7.1 μg/m3 (30) | 33.0 | |
| May 18, 2019, 7 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 22.0 μg/m3 (20) | 10.8 μg/m3 (45) | 45.0 | |
| May 18, 2019, 6 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (35) | N/A | 26.0 μg/m3 (24) | 11.0 μg/m3 (46) | 46.0 | |
| May 18, 2019, 5 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 23.0 μg/m3 (21) | 5.3 μg/m3 (22) | 22.0 | |
| May 18, 2019, 4 a.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 22.0 μg/m3 (20) | 6.9 μg/m3 (29) | 29.0 | |
| May 18, 2019, 3 a.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | 24.0 μg/m3 (22) | 11.8 μg/m3 (49) | 49.0 | |
| May 18, 2019, 2 a.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | 21.0 μg/m3 (19) | 9.2 μg/m3 (38) | 38.0 | |
| May 18, 2019, 1 a.m. | N/A | N/A | 0.4 ppb (0) | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | 20.0 μg/m3 (18) | 6.2 μg/m3 (26) | 34.0 | |
| May 18, 2019, midnight | N/A | N/A | 0.4 ppb (0) | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (35) | N/A | 20.0 μg/m3 (18) | 6.0 μg/m3 (25) | 35.0 | |
| May 17, 2019, 11 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (38) | N/A | 20.0 μg/m3 (18) | 3.2 μg/m3 (13) | 38.0 | |
| May 17, 2019, 10 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 51.0 ppb (39) | N/A | 28.0 μg/m3 (25) | 5.9 μg/m3 (25) | 39.0 | |
| May 17, 2019, 9 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 52.0 ppb (40) | N/A | 26.0 μg/m3 (24) | 7.9 μg/m3 (33) | 40.0 | |
| May 17, 2019, 8 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 53.0 ppb (41) | N/A | 19.0 μg/m3 (17) | 9.9 μg/m3 (41) | 41.0 | |
| May 17, 2019, 7 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 55.0 ppb (42) | N/A | 24.0 μg/m3 (22) | 7.2 μg/m3 (30) | 42.0 | |
| May 17, 2019, 6 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 53.0 ppb (41) | N/A | 23.0 μg/m3 (21) | 8.9 μg/m3 (37) | 41.0 | |
| May 17, 2019, 5 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 51.0 ppb (39) | N/A | 16.0 μg/m3 (15) | 3.3 μg/m3 (14) | 39.0 | |
| May 17, 2019, 4 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 50.0 ppb (38) | N/A | 16.0 μg/m3 (15) | 4.0 μg/m3 (17) | 38.0 | |
| May 17, 2019, 3 p.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | N/A | 17.0 μg/m3 (15) | 6.9 μg/m3 (29) | 36.0 | |
| May 17, 2019, 2 p.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | 21.0 μg/m3 (19) | 9.9 μg/m3 (41) | 41.0 | |
| May 17, 2019, 1 p.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | 20.0 μg/m3 (18) | 10.0 μg/m3 (42) | 42.0 | |
| May 17, 2019, noon | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | 20.0 μg/m3 (18) | 11.9 μg/m3 (50) | 50.0 | |
| May 17, 2019, 11 a.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | 17.0 μg/m3 (15) | 9.2 μg/m3 (38) | 38.0 | |
| May 17, 2019, 10 a.m. | N/A | N/A | 0.3 ppb (0) | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | 19.0 μg/m3 (17) | 12.8 μg/m3 (52) | 52.0 | |
| May 17, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | N/A | 16.0 μg/m3 (15) | 10.2 μg/m3 (42) | 42.0 | |
| May 17, 2019, 8 a.m. | N/A | N/A | 0.8 ppb (1) | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (37) | N/A | 14.0 μg/m3 (13) | 8.1 μg/m3 (34) | 37.0 | |
| May 17, 2019, 7 a.m. | N/A | N/A | 0.8 ppb (1) | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 18.0 μg/m3 (16) | 7.1 μg/m3 (30) | 38.0 | |
| May 17, 2019, 6 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 0.0 ppb (0) | 50.0 ppb (38) | N/A | 22.0 μg/m3 (20) | 10.8 μg/m3 (45) | 45.0 | |
| May 17, 2019, 5 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 22.0 μg/m3 (20) | 10.1 μg/m3 (42) | 42.0 | |
| May 17, 2019, 4 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 23.0 μg/m3 (21) | 11.0 μg/m3 (46) | 46.0 | |
| May 17, 2019, 3 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 1.0 ppb (1) | 52.0 ppb (40) | N/A | 15.0 μg/m3 (14) | 7.2 μg/m3 (30) | 40.0 | |
| May 17, 2019, 2 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 1.0 ppb (1) | 54.0 ppb (42) | N/A | 21.0 μg/m3 (19) | 7.0 μg/m3 (29) | 42.0 | |
| May 17, 2019, 1 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 1.0 ppb (1) | 54.0 ppb (42) | N/A | 19.0 μg/m3 (17) | 8.0 μg/m3 (33) | 42.0 | |
| May 17, 2019, midnight | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 1.0 ppb (1) | 55.0 ppb (42) | N/A | 20.0 μg/m3 (18) | 8.0 μg/m3 (33) | 42.0 | |
| May 16, 2019, 11 p.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 1.0 ppb (1) | 57.0 ppb (44) | N/A | 19.0 μg/m3 (17) | 11.8 μg/m3 (49) | 49.0 | |
| May 16, 2019, 10 p.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 1.0 ppb (1) | 55.0 ppb (42) | N/A | 22.0 μg/m3 (20) | 7.3 μg/m3 (30) | 42.0 | |
| May 16, 2019, 9 p.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 1.0 ppb (1) | 54.0 ppb (42) | N/A | 15.0 μg/m3 (14) | 6.1 μg/m3 (25) | 42.0 | |
| May 16, 2019, 8 p.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 55.0 ppb (42) | N/A | 21.0 μg/m3 (19) | 7.9 μg/m3 (33) | 42.0 | |
| May 16, 2019, 7 p.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 56.0 ppb (43) | N/A | 19.0 μg/m3 (17) | 9.9 μg/m3 (41) | 43.0 | |
| May 16, 2019, 6 p.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 55.0 ppb (42) | N/A | 20.0 μg/m3 (18) | 4.3 μg/m3 (18) | 42.0 | |
| May 16, 2019, 5 p.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 56.0 ppb (43) | N/A | 21.0 μg/m3 (19) | 5.0 μg/m3 (21) | 43.0 | |
| May 16, 2019, 4 p.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 55.0 ppb (42) | N/A | 21.0 μg/m3 (19) | 6.0 μg/m3 (25) | 42.0 | |
| May 16, 2019, 3 p.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 2.0 ppb (3) | 55.0 ppb (42) | N/A | 29.0 μg/m3 (26) | 7.0 μg/m3 (29) | 42.0 | |
| May 16, 2019, 2 p.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 2.0 ppb (3) | 56.0 ppb (43) | N/A | 34.0 μg/m3 (31) | 8.9 μg/m3 (37) | 43.0 | |
| May 16, 2019, 1 p.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 1.0 ppb (1) | 51.0 ppb (39) | N/A | 21.0 μg/m3 (19) | 8.1 μg/m3 (34) | 39.0 | |
| May 16, 2019, noon | N/A | N/A | 0.8 ppb (1) | N/A | N/A | 1.0 ppb (1) | 50.0 ppb (38) | N/A | 26.0 μg/m3 (24) | 11.8 μg/m3 (49) | 49.0 | |
| May 16, 2019, 11 a.m. | N/A | N/A | 0.8 ppb (1) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | N/A | 14.0 μg/m3 (13) | 6.3 μg/m3 (26) | 38.0 | |
| May 16, 2019, 10 a.m. | N/A | N/A | 0.4 ppb (0) | N/A | N/A | 1.0 ppb (1) | 51.0 ppb (39) | N/A | 17.0 μg/m3 (15) | 8.9 μg/m3 (37) | 39.0 | |
| May 16, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 53.0 ppb (41) | N/A | 20.0 μg/m3 (18) | 10.9 μg/m3 (45) | 45.0 | |
| May 16, 2019, 8 a.m. | N/A | N/A | 1.4 ppb (1) | N/A | N/A | 1.0 ppb (1) | 55.0 ppb (42) | N/A | 21.0 μg/m3 (19) | 8.2 μg/m3 (34) | 42.0 | |
| May 16, 2019, 7 a.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 16.0 μg/m3 (15) | 5.2 μg/m3 (22) | 40.0 | |
| May 16, 2019, 6 a.m. | N/A | N/A | 2.6 ppb (2) | N/A | N/A | 1.0 ppb (1) | 33.0 ppb (25) | N/A | 15.0 μg/m3 (14) | 6.9 μg/m3 (29) | 29.0 | |
| May 16, 2019, 5 a.m. | N/A | N/A | 5.7 ppb (5) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 14.0 μg/m3 (13) | 8.0 μg/m3 (33) | 33.0 | |
| May 16, 2019, 4 a.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 13.0 μg/m3 (12) | 4.2 μg/m3 (18) | 18.0 | |
| May 16, 2019, 3 a.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 32.0 ppb (25) | N/A | 16.0 μg/m3 (15) | 5.9 μg/m3 (25) | 25.0 | |
| May 16, 2019, 2 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | N/A | 16.0 μg/m3 (15) | 8.9 μg/m3 (37) | 37.0 | |
| May 16, 2019, 1 a.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 1.0 ppb (1) | 41.0 ppb (32) | N/A | 13.0 μg/m3 (12) | 7.1 μg/m3 (30) | 32.0 | |
| May 16, 2019, midnight | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 53.0 ppb (41) | N/A | 14.0 μg/m3 (13) | 4.2 μg/m3 (18) | 41.0 | |
| May 15, 2019, 11 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 57.0 ppb (44) | N/A | 19.0 μg/m3 (17) | 5.0 μg/m3 (21) | 44.0 | |
| May 15, 2019, 10 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 58.0 ppb (45) | N/A | 15.0 μg/m3 (14) | 5.0 μg/m3 (21) | 45.0 | |
| May 15, 2019, 9 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 55.0 ppb (42) | N/A | 15.0 μg/m3 (14) | 4.1 μg/m3 (17) | 42.0 | |
| May 15, 2019, 8 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 54.0 ppb (42) | N/A | 13.0 μg/m3 (12) | 3.1 μg/m3 (13) | 42.0 | |
| May 15, 2019, 7 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 54.0 ppb (42) | N/A | 10.0 μg/m3 (9) | 4.9 μg/m3 (20) | 42.0 | |
| May 15, 2019, 6 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 53.0 ppb (41) | N/A | 16.0 μg/m3 (15) | 6.9 μg/m3 (29) | 41.0 | |
| May 15, 2019, 5 p.m. | N/A | N/A | 1.2 ppb (1) | N/A | N/A | 1.0 ppb (1) | 53.0 ppb (41) | N/A | 9.0 μg/m3 (8) | 5.1 μg/m3 (21) | 41.0 | |
| May 15, 2019, 4 p.m. | N/A | N/A | 1.3 ppb (1) | N/A | N/A | 1.0 ppb (1) | 52.0 ppb (40) | N/A | 10.0 μg/m3 (9) | 4.1 μg/m3 (17) | 40.0 | |
| May 15, 2019, 3 p.m. | N/A | N/A | 1.4 ppb (1) | N/A | N/A | 1.0 ppb (1) | 52.0 ppb (40) | N/A | 13.0 μg/m3 (12) | 5.0 μg/m3 (21) | 40.0 | |
| May 15, 2019, 2 p.m. | N/A | N/A | 1.7 ppb (2) | N/A | N/A | 1.0 ppb (1) | 50.0 ppb (38) | N/A | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 38.0 | |
| May 15, 2019, 1 p.m. | N/A | N/A | 1.3 ppb (1) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | N/A | 14.0 μg/m3 (13) | 6.0 μg/m3 (25) | 38.0 | |
| May 15, 2019, noon | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 1.0 ppb (1) | 47.0 ppb (36) | N/A | 16.0 μg/m3 (15) | 7.0 μg/m3 (29) | 36.0 | |
| May 15, 2019, 11 a.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 1.0 ppb (1) | 49.0 ppb (38) | N/A | 16.0 μg/m3 (15) | 10.8 μg/m3 (45) | 45.0 | |
| May 15, 2019, 10 a.m. | N/A | N/A | 0.2 ppb (0) | N/A | N/A | 1.0 ppb (1) | 45.0 ppb (35) | N/A | 15.0 μg/m3 (14) | 10.1 μg/m3 (42) | 42.0 | |
| May 15, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 45.0 ppb (35) | N/A | 20.0 μg/m3 (18) | 8.1 μg/m3 (34) | 35.0 | |
| May 15, 2019, 8 a.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 43.0 ppb (33) | N/A | 17.0 μg/m3 (15) | 6.1 μg/m3 (25) | 33.0 | |
| May 15, 2019, 7 a.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 33.0 | |
| May 15, 2019, 6 a.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 1.0 ppb (1) | 41.0 ppb (32) | N/A | 15.0 μg/m3 (14) | 9.8 μg/m3 (41) | 41.0 | |
| May 15, 2019, 5 a.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 17.0 μg/m3 (15) | 7.2 μg/m3 (30) | 30.0 | |
| May 15, 2019, 4 a.m. | N/A | N/A | 0.8 ppb (1) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 16.0 μg/m3 (15) | 7.0 μg/m3 (29) | 29.0 | |
| May 15, 2019, 3 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 0.0 ppb (0) | 45.0 ppb (35) | N/A | 14.0 μg/m3 (13) | 8.0 μg/m3 (33) | 35.0 | |
| May 15, 2019, 2 a.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | 17.0 μg/m3 (15) | 7.1 μg/m3 (30) | 32.0 | |
| May 15, 2019, 1 a.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 0.0 ppb (0) | 45.0 ppb (35) | N/A | 14.0 μg/m3 (13) | 5.1 μg/m3 (21) | 35.0 | |
| May 15, 2019, midnight | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 54.0 ppb (42) | N/A | 13.0 μg/m3 (12) | 6.9 μg/m3 (29) | 42.0 | |
| May 14, 2019, 11 p.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 57.0 ppb (44) | N/A | 11.0 μg/m3 (10) | 5.1 μg/m3 (21) | 44.0 | |
| May 14, 2019, 10 p.m. | N/A | N/A | 1.1 ppb (1) | N/A | N/A | 1.0 ppb (1) | 56.0 ppb (43) | N/A | 20.0 μg/m3 (18) | 4.1 μg/m3 (17) | 43.0 | |
| May 14, 2019, 9 p.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 0.0 ppb (0) | 55.0 ppb (42) | N/A | 16.0 μg/m3 (15) | 4.0 μg/m3 (17) | 42.0 | |
| May 14, 2019, 8 p.m. | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 13.0 μg/m3 (12) | 4.0 μg/m3 (17) | 42.0 | |
| May 14, 2019, 7 p.m. | N/A | N/A | 0.8 ppb (1) | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 38.0 | |
| May 14, 2019, 6 p.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 16.0 μg/m3 (15) | 3.1 μg/m3 (13) | 15.0 | |
| May 14, 2019, 5 p.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 16.0 μg/m3 (15) | 1.1 μg/m3 (5) | 15.0 | |
| May 14, 2019, 4 p.m. | N/A | N/A | 0.4 ppb (0) | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (29) | N/A | 10.0 μg/m3 (9) | 1.0 μg/m3 (4) | 29.0 | |
| May 14, 2019, 3 p.m. | N/A | N/A | 0.3 ppb (0) | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | N/A | 11.0 μg/m3 (10) | 5.8 μg/m3 (24) | 24.0 | |
| May 14, 2019, 2 p.m. | N/A | N/A | 0.2 ppb (0) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | 10.0 μg/m3 (9) | 8.9 μg/m3 (37) | 37.0 | |
| May 14, 2019, 1 p.m. | N/A | N/A | 0.1 ppb (0) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | 8.0 μg/m3 (7) | 7.1 μg/m3 (30) | 30.0 | |
| May 14, 2019, noon | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | 7.0 μg/m3 (6) | 5.1 μg/m3 (21) | 21.0 | |
| May 14, 2019, 11 a.m. | N/A | N/A | -0.1 ppb (0) | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | N/A | 10.0 μg/m3 (9) | 6.0 μg/m3 (25) | 25.0 | |
| May 14, 2019, 10 a.m. | N/A | N/A | -0.4 ppb (0) | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (24) | N/A | 13.0 μg/m3 (12) | 5.1 μg/m3 (21) | 24.0 | |
| May 14, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (25) | N/A | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 25.0 | |
| May 14, 2019, 8 a.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (28) | N/A | 12.0 μg/m3 (11) | 4.1 μg/m3 (17) | 28.0 | |
| May 14, 2019, 7 a.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 14.0 μg/m3 (13) | 5.9 μg/m3 (25) | 31.0 | |
| May 14, 2019, 6 a.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (28) | N/A | 9.0 μg/m3 (8) | 5.1 μg/m3 (21) | 28.0 | |
| May 14, 2019, 5 a.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 μg/m3 (10) | 6.0 μg/m3 (25) | 25.0 | |
| May 14, 2019, 4 a.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 μg/m3 (12) | 3.2 μg/m3 (13) | 13.0 | |
| May 14, 2019, 3 a.m. | N/A | N/A | 0.4 ppb (0) | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | N/A | 8.0 μg/m3 (7) | 2.1 μg/m3 (9) | 21.0 | |
| May 14, 2019, 2 a.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | N/A | 11.0 μg/m3 (10) | 1.1 μg/m3 (5) | 22.0 | |
| May 14, 2019, 1 a.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 30.0 ppb (23) | N/A | 11.0 μg/m3 (10) | 2.9 μg/m3 (12) | 23.0 | |
| May 14, 2019, midnight | N/A | N/A | 0.7 ppb (1) | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | 8.0 μg/m3 (7) | 4.0 μg/m3 (17) | 31.0 | |
| May 13, 2019, 11 p.m. | N/A | N/A | 0.7 ppb (1) | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 9.0 μg/m3 (8) | 3.1 μg/m3 (13) | 35.0 | |
| May 13, 2019, 10 p.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 9.0 μg/m3 (8) | -1.8 μg/m3 (0) | 36.0 | |
| May 13, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 11.0 μg/m3 (10) | 0.9 μg/m3 (4) | 35.0 | |
| May 13, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 45.0 ppb (35) | N/A | 10.0 μg/m3 (9) | 2.0 μg/m3 (8) | 35.0 | |
| May 13, 2019, 7 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 44.0 ppb (34) | N/A | 10.0 μg/m3 (9) | 3.0 μg/m3 (12) | 34.0 | |
| May 13, 2019, 6 p.m. | N/A | N/A | 0.3 ppb (0) | N/A | N/A | 1.0 ppb (1) | 43.0 ppb (33) | N/A | 8.0 μg/m3 (7) | 3.0 μg/m3 (12) | 33.0 | |
| May 13, 2019, 5 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 41.0 ppb (32) | N/A | 6.0 μg/m3 (5) | 1.1 μg/m3 (5) | 32.0 | |
| May 13, 2019, 4 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 41.0 ppb (32) | N/A | 6.0 μg/m3 (5) | 1.0 μg/m3 (4) | 32.0 | |
| May 13, 2019, 3 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 31.0 ppb (24) | N/A | 6.0 μg/m3 (5) | -0.9 μg/m3 (0) | 24.0 | |
| May 13, 2019, 2 p.m. | N/A | N/A | 0.3 ppb (0) | N/A | N/A | 1.0 ppb (1) | 18.0 ppb (14) | N/A | 7.0 μg/m3 (6) | -3.8 μg/m3 (0) | 14.0 | |
| May 13, 2019, 1 p.m. | N/A | N/A | 0.3 ppb (0) | N/A | N/A | 1.0 ppb (1) | 12.0 ppb (9) | N/A | 10.0 μg/m3 (9) | -0.2 μg/m3 (0) | 9.0 | |
| May 13, 2019, noon | N/A | N/A | 0.4 ppb (0) | N/A | N/A | 0.0 ppb (0) | 6.0 ppb (5) | N/A | 11.0 μg/m3 (10) | 1.9 μg/m3 (8) | 10.0 | |
| May 13, 2019, 11 a.m. | N/A | N/A | 0.4 ppb (0) | N/A | N/A | 0.0 ppb (0) | 5.0 ppb (4) | N/A | 7.0 μg/m3 (6) | 0.1 μg/m3 (0) | 6.0 | |
| May 13, 2019, 10 a.m. | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 0.0 ppb (0) | 8.0 ppb (6) | N/A | 7.0 μg/m3 (6) | 2.9 μg/m3 (12) | 12.0 | |
| May 13, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 8.0 ppb (6) | N/A | 6.0 μg/m3 (5) | 3.0 μg/m3 (12) | 12.0 | |
| May 13, 2019, 8 a.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 8.0 ppb (6) | N/A | 9.0 μg/m3 (8) | 4.9 μg/m3 (20) | 20.0 | |
| May 13, 2019, 7 a.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 13.0 μg/m3 (12) | 4.1 μg/m3 (17) | 17.0 | |
| May 13, 2019, 6 a.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 9.0 ppb (7) | N/A | 11.0 μg/m3 (10) | 1.2 μg/m3 (5) | 10.0 | |
| May 13, 2019, 5 a.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 7.0 μg/m3 (6) | 2.9 μg/m3 (12) | 12.0 | |
| May 13, 2019, 4 a.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 8.0 μg/m3 (7) | 2.1 μg/m3 (9) | 9.0 | |
| May 13, 2019, 3 a.m. | N/A | N/A | 0.4 ppb (0) | N/A | N/A | 1.0 ppb (1) | 16.0 ppb (12) | N/A | 8.0 μg/m3 (7) | 2.0 μg/m3 (8) | 12.0 | |
| May 13, 2019, 2 a.m. | N/A | N/A | 0.2 ppb (0) | N/A | N/A | 1.0 ppb (1) | 22.0 ppb (17) | N/A | 7.0 μg/m3 (6) | 2.0 μg/m3 (8) | 17.0 | |
| May 13, 2019, 1 a.m. | N/A | N/A | 0.3 ppb (0) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | N/A | 9.0 μg/m3 (8) | -2.8 μg/m3 (0) | 22.0 | |
| May 13, 2019, midnight | N/A | N/A | 0.4 ppb (0) | N/A | N/A | 1.0 ppb (1) | 37.0 ppb (28) | N/A | 10.0 μg/m3 (9) | -2.1 μg/m3 (0) | 28.0 | |
| May 12, 2019, 11 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 40.0 ppb (31) | N/A | 10.0 μg/m3 (9) | 2.8 μg/m3 (12) | 31.0 | |
| May 12, 2019, 10 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 42.0 ppb (32) | N/A | 9.0 μg/m3 (8) | 3.0 μg/m3 (12) | 32.0 | |
| May 12, 2019, 9 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 43.0 ppb (33) | N/A | 8.0 μg/m3 (7) | -0.8 μg/m3 (0) | 33.0 | |
| May 12, 2019, 8 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 44.0 ppb (34) | N/A | 12.0 μg/m3 (11) | -0.1 μg/m3 (0) | 34.0 | |
| May 12, 2019, 7 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 44.0 ppb (34) | N/A | 10.0 μg/m3 (9) | 1.9 μg/m3 (8) | 34.0 | |
| May 12, 2019, 6 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 42.0 ppb (32) | N/A | 6.0 μg/m3 (5) | 4.8 μg/m3 (20) | 32.0 | |
| May 12, 2019, 5 p.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 39.0 ppb (30) | N/A | 16.0 μg/m3 (15) | 2.2 μg/m3 (9) | 30.0 | |
| May 12, 2019, 4 p.m. | N/A | N/A | 0.6 ppb (1) | N/A | N/A | 1.0 ppb (1) | 35.0 ppb (27) | N/A | 9.0 μg/m3 (8) | 3.0 μg/m3 (12) | 27.0 | |
| May 12, 2019, 3 p.m. | N/A | N/A | 0.8 ppb (1) | N/A | N/A | 1.0 ppb (1) | 33.0 ppb (25) | N/A | 10.0 μg/m3 (9) | 4.0 μg/m3 (17) | 25.0 | |
| May 12, 2019, 2 p.m. | N/A | N/A | 0.9 ppb (1) | N/A | N/A | 1.0 ppb (1) | 29.0 ppb (22) | N/A | 9.0 μg/m3 (8) | 4.0 μg/m3 (17) | 22.0 | |
| May 12, 2019, 1 p.m. | N/A | N/A | 0.5 ppb (0) | N/A | N/A | 1.0 ppb (1) | 24.0 ppb (18) | N/A | 11.0 μg/m3 (10) | 3.1 μg/m3 (13) | 18.0 | |
| May 12, 2019, noon | N/A | N/A | 0.2 ppb (0) | N/A | N/A | 1.0 ppb (1) | 19.0 ppb (15) | N/A | 15.0 μg/m3 (14) | 4.9 μg/m3 (20) | 20.0 |