Alberta (Yellowhead Co) CC, CA: 53.1325, -117.09111
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 1, 2020, noon | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 2.3 μg/m3 (10) | 31.0 | |
| June 1, 2020, 11 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | N/A | 2.3 μg/m3 (10) | 33.0 | |
| June 1, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.4 μg/m3 (10) | 10.0 | |
| June 1, 2020, 9 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | N/A | 2.5 μg/m3 (10) | 33.0 | |
| June 1, 2020, 8 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | N/A | N/A | 2.6 μg/m3 (11) | 30.0 | |
| June 1, 2020, 7 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | N/A | N/A | 2.8 μg/m3 (12) | 28.0 | |
| June 1, 2020, 6 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 2.5 μg/m3 (10) | 31.0 | |
| June 1, 2020, 5 a.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | N/A | N/A | 2.7 μg/m3 (11) | 28.0 | |
| June 1, 2020, 4 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 2.9 μg/m3 (12) | 31.0 | |
| June 1, 2020, 3 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | N/A | N/A | 3.2 μg/m3 (13) | 30.0 | |
| June 1, 2020, 2 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 46.0 ppb (35) | N/A | N/A | 3.3 μg/m3 (14) | 35.0 | |
| June 1, 2020, midnight | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 2.5 μg/m3 (10) | 31.0 | |
| May 31, 2020, 11 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | N/A | N/A | 2.5 μg/m3 (10) | 28.0 | |
| May 31, 2020, 9 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | N/A | 1.7 μg/m3 (7) | 27.0 | |
| May 31, 2020, 8 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | N/A | 1.6 μg/m3 (7) | 27.0 | |
| May 31, 2020, 7 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | N/A | N/A | 2.5 μg/m3 (10) | 25.0 | |
| May 31, 2020, 6 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | N/A | N/A | 3.0 μg/m3 (12) | 25.0 | |
| May 31, 2020, 5 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | N/A | N/A | 4.5 μg/m3 (19) | 25.0 | |
| May 31, 2020, 4 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | N/A | 4.7 μg/m3 (20) | 20.0 | |
| May 31, 2020, 3 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| May 31, 2020, 2 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | N/A | N/A | 5.3 μg/m3 (22) | 22.0 | |
| May 31, 2020, 1 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | N/A | 5.8 μg/m3 (24) | 24.0 | |
| May 31, 2020, noon | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | N/A | N/A | 6.7 μg/m3 (28) | 28.0 | |
| May 31, 2020, 11 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | N/A | N/A | 6.2 μg/m3 (26) | 26.0 | |
| May 31, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.1 μg/m3 (25) | 25.0 | |
| May 31, 2020, 9 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | N/A | N/A | 6.1 μg/m3 (25) | 25.0 | |
| May 31, 2020, 8 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | N/A | N/A | 5.6 μg/m3 (23) | 23.0 | |
| May 31, 2020, 6 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | N/A | N/A | 7.2 μg/m3 (30) | 30.0 | |
| May 31, 2020, 5 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | N/A | 7.3 μg/m3 (30) | 32.0 | |
| May 31, 2020, 4 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 46.0 ppb (35) | N/A | N/A | 7.6 μg/m3 (32) | 35.0 | |
| May 31, 2020, 3 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (1) | 50.0 ppb (38) | N/A | N/A | 9.9 μg/m3 (41) | 41.0 | |
| May 31, 2020, 2 a.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 54.0 ppb (42) | N/A | N/A | 9.7 μg/m3 (40) | 42.0 | |
| May 31, 2020, 1 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 53.0 ppb (41) | N/A | N/A | 9.1 μg/m3 (38) | 41.0 | |
| May 31, 2020, midnight | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 51.0 ppb (39) | N/A | N/A | 7.3 μg/m3 (30) | 39.0 | |
| May 30, 2020, 11 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 51.0 ppb (39) | N/A | N/A | 7.0 μg/m3 (29) | 39.0 | |
| May 30, 2020, 10 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 47.0 ppb (36) | N/A | N/A | 6.4 μg/m3 (27) | 36.0 | |
| May 30, 2020, 9 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | N/A | 6.7 μg/m3 (28) | 33.0 | |
| May 30, 2020, 8 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | N/A | 6.5 μg/m3 (27) | 34.0 | |
| May 30, 2020, 6 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | N/A | 6.6 μg/m3 (28) | 32.0 | |
| May 30, 2020, 5 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 38.0 ppb (29) | N/A | N/A | 5.6 μg/m3 (23) | 29.0 | |
| May 30, 2020, 4 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | N/A | 5.6 μg/m3 (23) | 27.0 | |
| May 30, 2020, 3 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | N/A | 4.1 μg/m3 (17) | 27.0 | |
| May 30, 2020, 2 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | N/A | N/A | 3.7 μg/m3 (15) | 28.0 | |
| May 30, 2020, 1 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 3.5 μg/m3 (15) | 31.0 | |
| May 30, 2020, noon | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 3.8 μg/m3 (16) | 31.0 | |
| May 30, 2020, 11 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 3.4 μg/m3 (14) | 31.0 | |
| May 30, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.5 μg/m3 (10) | 10.0 | |
| May 30, 2020, 8 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | N/A | 3.3 μg/m3 (14) | 34.0 | |
| May 30, 2020, 6 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | N/A | 4.2 μg/m3 (18) | 34.0 | |
| May 30, 2020, 5 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 46.0 ppb (35) | N/A | N/A | 4.2 μg/m3 (18) | 35.0 | |
| May 30, 2020, 4 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | N/A | N/A | 3.9 μg/m3 (16) | 37.0 | |
| May 30, 2020, 3 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 47.0 ppb (36) | N/A | N/A | 3.9 μg/m3 (16) | 36.0 | |
| May 30, 2020, 2 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 49.0 ppb (38) | N/A | N/A | 3.9 μg/m3 (16) | 38.0 | |
| May 30, 2020, 1 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 50.0 ppb (38) | N/A | N/A | 3.6 μg/m3 (15) | 38.0 | |
| May 29, 2020, 11 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 49.0 ppb (38) | N/A | N/A | 3.4 μg/m3 (14) | 38.0 | |
| May 29, 2020, 10 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 46.0 ppb (35) | N/A | N/A | 3.4 μg/m3 (14) | 35.0 | |
| May 29, 2020, 9 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | N/A | 3.2 μg/m3 (13) | 34.0 | |
| May 29, 2020, 8 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | N/A | 3.1 μg/m3 (13) | 34.0 | |
| May 29, 2020, 7 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | N/A | 3.0 μg/m3 (12) | 33.0 | |
| May 29, 2020, 6 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | N/A | 3.1 μg/m3 (13) | 34.0 | |
| May 29, 2020, 5 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 42.0 ppb (32) | N/A | N/A | 3.6 μg/m3 (15) | 32.0 | |
| May 29, 2020, 4 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | 40.0 ppb (31) | N/A | N/A | 3.6 μg/m3 (15) | 31.0 | |
| May 29, 2020, 3 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | N/A | 3.2 μg/m3 (13) | 27.0 | |
| May 29, 2020, 2 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | N/A | N/A | 3.1 μg/m3 (13) | 23.0 | |
| May 29, 2020, 1 p.m. | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | N/A | N/A | 3.1 μg/m3 (13) | 21.0 | |
| May 29, 2020, noon | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | N/A | 3.1 μg/m3 (13) | 20.0 | |
| May 29, 2020, 11 a.m. | N/A | N/A | 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 | |
| May 29, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| May 29, 2020, 9 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | N/A | 3.0 μg/m3 (12) | 27.0 | |
| May 29, 2020, 8 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | N/A | N/A | 3.0 μg/m3 (12) | 26.0 | |
| May 29, 2020, 7 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | N/A | N/A | 3.1 μg/m3 (13) | 29.0 | |
| May 29, 2020, 6 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | N/A | N/A | 2.7 μg/m3 (11) | 28.0 | |
| May 29, 2020, 4 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | N/A | N/A | 2.3 μg/m3 (10) | 29.0 | |
| May 29, 2020, 3 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | N/A | N/A | 2.4 μg/m3 (10) | 29.0 | |
| May 29, 2020, 2 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | N/A | 2.3 μg/m3 (10) | 32.0 | |
| May 29, 2020, 1 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | N/A | 2.4 μg/m3 (10) | 33.0 | |
| May 29, 2020, midnight | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | N/A | 2.3 μg/m3 (10) | 34.0 | |
| May 28, 2020, 11 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 47.0 ppb (36) | N/A | N/A | 2.3 μg/m3 (10) | 36.0 | |
| May 28, 2020, 10 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | N/A | N/A | 2.2 μg/m3 (9) | 37.0 | |
| May 28, 2020, 8 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | N/A | N/A | 2.1 μg/m3 (9) | 37.0 | |
| May 28, 2020, 7 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 48.0 ppb (37) | N/A | N/A | 1.9 μg/m3 (8) | 37.0 | |
| May 28, 2020, 6 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 47.0 ppb (36) | N/A | N/A | 1.9 μg/m3 (8) | 36.0 | |
| May 28, 2020, 5 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 46.0 ppb (35) | N/A | N/A | 1.6 μg/m3 (7) | 35.0 | |
| May 28, 2020, 4 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 47.0 ppb (36) | N/A | N/A | 1.6 μg/m3 (7) | 36.0 | |
| May 28, 2020, 3 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | N/A | 1.5 μg/m3 (6) | 32.0 | |
| May 28, 2020, 2 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | N/A | N/A | 1.6 μg/m3 (7) | 28.0 | |
| May 28, 2020, 1 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | N/A | N/A | 1.6 μg/m3 (7) | 25.0 | |
| May 28, 2020, noon | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | N/A | N/A | 1.7 μg/m3 (7) | 24.0 | |
| May 28, 2020, 11 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | N/A | N/A | 1.7 μg/m3 (7) | 24.0 | |
| May 28, 2020, 9 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | N/A | N/A | 1.8 μg/m3 (8) | 25.0 | |
| May 28, 2020, 8 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | N/A | N/A | 1.7 μg/m3 (7) | 26.0 | |
| May 28, 2020, 7 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 30.0 ppb (23) | N/A | N/A | 1.7 μg/m3 (7) | 23.0 | |
| May 28, 2020, 6 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | N/A | N/A | 1.5 μg/m3 (6) | 25.0 | |
| May 28, 2020, 5 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | N/A | N/A | 1.5 μg/m3 (6) | 28.0 | |
| May 28, 2020, 4 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | N/A | 1.2 μg/m3 (5) | 34.0 | |
| May 28, 2020, 3 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | N/A | 1.0 μg/m3 (4) | 32.0 | |
| May 28, 2020, 2 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 1.0 μg/m3 (4) | 31.0 | |
| May 28, 2020, midnight | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | N/A | 0.9 μg/m3 (4) | 32.0 | |
| May 27, 2020, 11 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | N/A | 0.9 μg/m3 (4) | 32.0 | |
| May 27, 2020, 10 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | N/A | 0.9 μg/m3 (4) | 32.0 | |
| May 27, 2020, 9 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | N/A | 0.8 μg/m3 (3) | 32.0 | |
| May 27, 2020, 8 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | N/A | 0.8 μg/m3 (3) | 32.0 | |
| May 27, 2020, 7 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | N/A | N/A | 0.7 μg/m3 (3) | 30.0 | |
| May 27, 2020, 6 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | N/A | N/A | 0.7 μg/m3 (3) | 30.0 | |
| May 27, 2020, 5 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 0.7 μg/m3 (3) | 31.0 | |
| May 27, 2020, 4 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 0.7 μg/m3 (3) | 31.0 | |
| May 27, 2020, 3 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 0.7 μg/m3 (3) | 31.0 | |
| May 27, 2020, 1 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | N/A | N/A | 0.7 μg/m3 (3) | 30.0 | |
| May 27, 2020, 11 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | N/A | N/A | 0.7 μg/m3 (3) | 25.0 | |
| May 27, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.7 μg/m3 (3) | 3.0 | |
| May 27, 2020, 9 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | N/A | N/A | 0.7 μg/m3 (3) | 26.0 | |
| May 27, 2020, 8 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | N/A | N/A | 0.5 μg/m3 (2) | 28.0 | |
| May 27, 2020, 7 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | N/A | N/A | 0.7 μg/m3 (3) | 26.0 | |
| May 27, 2020, 6 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | N/A | N/A | 0.8 μg/m3 (3) | 25.0 | |
| May 27, 2020, 5 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | N/A | 0.8 μg/m3 (3) | 27.0 | |
| May 27, 2020, 4 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | N/A | N/A | 0.9 μg/m3 (4) | 28.0 | |
| May 27, 2020, 3 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | N/A | N/A | 1.1 μg/m3 (5) | 28.0 | |
| May 27, 2020, 2 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 1.0 μg/m3 (4) | 31.0 | |
| May 27, 2020, 1 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 1.0 μg/m3 (4) | 31.0 | |
| May 26, 2020, 11 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | N/A | 0.9 μg/m3 (4) | 32.0 | |
| May 26, 2020, 10 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | N/A | 1.0 μg/m3 (4) | 33.0 | |
| May 26, 2020, 9 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | N/A | 1.0 μg/m3 (4) | 32.0 | |
| May 26, 2020, 8 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | N/A | 0.8 μg/m3 (3) | 32.0 | |
| May 26, 2020, 7 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | N/A | 0.8 μg/m3 (3) | 33.0 | |
| May 26, 2020, 6 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 0.5 μg/m3 (2) | 31.0 | |
| May 26, 2020, 5 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | N/A | N/A | 0.2 μg/m3 (1) | 30.0 | |
| May 26, 2020, 4 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 0.3 μg/m3 (1) | 31.0 | |
| May 26, 2020, 3 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | N/A | N/A | 0.6 μg/m3 (2) | 25.0 | |
| May 26, 2020, 2 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | N/A | N/A | 0.5 μg/m3 (2) | 18.0 | |
| May 26, 2020, 1 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | N/A | N/A | 0.4 μg/m3 (2) | 18.0 | |
| May 26, 2020, noon | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | N/A | N/A | 0.6 μg/m3 (2) | 21.0 | |
| May 26, 2020, 11 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | N/A | N/A | 0.6 μg/m3 (2) | 24.0 | |
| May 26, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.8 μg/m3 (3) | 3.0 | |
| May 26, 2020, 9 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 31.0 ppb (24) | N/A | N/A | 0.6 μg/m3 (2) | 24.0 | |
| May 26, 2020, 8 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | N/A | N/A | 0.6 μg/m3 (2) | 22.0 | |
| May 26, 2020, 7 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | N/A | N/A | 0.6 μg/m3 (2) | 20.0 | |
| May 26, 2020, 5 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | N/A | N/A | 0.7 μg/m3 (3) | 22.0 | |
| May 26, 2020, 2 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | N/A | N/A | 0.8 μg/m3 (3) | 25.0 | |
| May 26, 2020, 1 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | N/A | N/A | 0.5 μg/m3 (2) | 25.0 | |
| May 26, 2020, midnight | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | N/A | 0.5 μg/m3 (2) | 27.0 | |
| May 25, 2020, 11 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | N/A | N/A | 0.5 μg/m3 (2) | 26.0 | |
| May 25, 2020, 10 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | N/A | N/A | 0.5 μg/m3 (2) | 25.0 | |
| May 25, 2020, 9 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | N/A | N/A | 0.6 μg/m3 (2) | 25.0 | |
| May 25, 2020, 8 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 32.0 ppb (25) | N/A | N/A | 0.6 μg/m3 (2) | 25.0 | |
| May 25, 2020, 7 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | N/A | N/A | 0.4 μg/m3 (2) | 25.0 | |
| May 25, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.3 μg/m3 (5) | 5.0 | |
| May 25, 2020, 5 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | N/A | 1.5 μg/m3 (6) | 32.0 | |
| May 25, 2020, 4 p.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | N/A | 1.7 μg/m3 (7) | 27.0 | |
| May 25, 2020, 3 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | N/A | N/A | 1.6 μg/m3 (7) | 22.0 | |
| May 25, 2020, 2 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 34.0 ppb (26) | N/A | N/A | 1.4 μg/m3 (6) | 26.0 | |
| May 25, 2020, 1 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | N/A | N/A | 1.5 μg/m3 (6) | 27.0 | |
| May 25, 2020, noon | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 37.0 ppb (28) | N/A | N/A | 1.5 μg/m3 (6) | 28.0 | |
| May 25, 2020, 11 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | N/A | N/A | 1.5 μg/m3 (6) | 29.0 | |
| May 25, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.5 μg/m3 (6) | 6.0 | |
| May 25, 2020, 9 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | N/A | N/A | 1.4 μg/m3 (6) | 29.0 | |
| May 25, 2020, 8 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | N/A | N/A | 1.4 μg/m3 (6) | 29.0 | |
| May 25, 2020, 7 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 1.4 μg/m3 (6) | 31.0 | |
| May 25, 2020, 6 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | N/A | 1.3 μg/m3 (5) | 33.0 | |
| May 25, 2020, 5 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | N/A | 1.3 μg/m3 (5) | 32.0 | |
| May 25, 2020, 4 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 1.4 μg/m3 (6) | 31.0 | |
| May 25, 2020, 3 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | N/A | 1.4 μg/m3 (6) | 32.0 | |
| May 25, 2020, 2 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | N/A | N/A | 1.6 μg/m3 (7) | 33.0 | |
| May 25, 2020, 1 a.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 44.0 ppb (34) | N/A | N/A | 1.5 μg/m3 (6) | 34.0 | |
| May 25, 2020, midnight | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | N/A | N/A | 1.3 μg/m3 (5) | 32.0 | |
| May 24, 2020, 11 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 41.0 ppb (32) | N/A | N/A | 1.4 μg/m3 (6) | 32.0 | |
| May 24, 2020, 10 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 40.0 ppb (31) | N/A | N/A | 1.1 μg/m3 (5) | 31.0 | |
| May 24, 2020, 9 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 38.0 ppb (29) | N/A | N/A | 0.9 μg/m3 (4) | 29.0 | |
| May 24, 2020, 8 p.m. | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 39.0 ppb (30) | N/A | N/A | 1.0 μg/m3 (4) | 30.0 |