Hot Spgs (Prairie Vista Trl) SD, US: 43.557613, -103.483658
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 20, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 10.0 μg/m3 (10) | 6.9 μg/m3 (29) | 30.0 | |
| June 20, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 10.0 μg/m3 (10) | 8.4 μg/m3 (36) | 36.0 | |
| June 20, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 13.0 μg/m3 (13) | 1.4 μg/m3 (6) | 30.0 | |
| June 20, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 9.0 μg/m3 (9) | 3.3 μg/m3 (14) | 27.0 | |
| June 20, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 12.0 μg/m3 (12) | 5.7 μg/m3 (24) | 33.0 | |
| June 20, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 10.0 μg/m3 (10) | 2.1 μg/m3 (9) | 38.0 | |
| June 20, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 14.0 μg/m3 (13) | 0.4 μg/m3 (2) | 36.0 | |
| June 20, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 9.0 μg/m3 (9) | 0.1 μg/m3 (1) | 37.0 | |
| June 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 8.0 μg/m3 (8) | 2.1 μg/m3 (9) | 39.0 | |
| June 20, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 12.0 μg/m3 (12) | 0.9 μg/m3 (4) | 39.0 | |
| June 20, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 12.0 μg/m3 (12) | 0.9 μg/m3 (4) | 40.0 | |
| June 20, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 14.0 μg/m3 (13) | 3.8 μg/m3 (16) | 38.0 | |
| June 20, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 18.0 μg/m3 (17) | 3.3 μg/m3 (14) | 39.0 | |
| June 20, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 12.0 μg/m3 (12) | 4.7 μg/m3 (20) | 42.0 | |
| June 20, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 29.0 μg/m3 (27) | 6.5 μg/m3 (28) | 43.0 | |
| June 20, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 33.0 μg/m3 (31) | 5.2 μg/m3 (22) | 50.0 | |
| June 20, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 31.0 μg/m3 (29) | 5.7 μg/m3 (24) | 50.0 | |
| June 20, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 39.0 μg/m3 (37) | 5.7 μg/m3 (24) | 50.0 | |
| June 20, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 37.0 μg/m3 (35) | 7.2 μg/m3 (31) | 50.0 | |
| June 20, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 34.0 μg/m3 (32) | 7.4 μg/m3 (31) | 49.0 | |
| June 20, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 28.0 μg/m3 (26) | 8.6 μg/m3 (36) | 51.0 | |
| June 19, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (71) | N/A | 37.0 μg/m3 (35) | 6.4 μg/m3 (27) | 71.0 | |
| June 19, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (71) | N/A | 34.0 μg/m3 (32) | 4.9 μg/m3 (21) | 71.0 | |
| June 19, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (68) | N/A | 34.0 μg/m3 (32) | 6.5 μg/m3 (28) | 68.0 | |
| June 19, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 32.0 μg/m3 (30) | 5.2 μg/m3 (22) | 51.0 | |
| June 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 34.0 μg/m3 (32) | 6.4 μg/m3 (27) | 50.0 | |
| June 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 28.0 μg/m3 (26) | 4.7 μg/m3 (20) | 48.0 | |
| June 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 27.0 μg/m3 (25) | 3.5 μg/m3 (15) | 43.0 | |
| June 19, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 29.0 μg/m3 (27) | 4.9 μg/m3 (21) | 39.0 | |
| June 19, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 19.0 μg/m3 (18) | 0.9 μg/m3 (4) | 38.0 | |
| June 19, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 19.0 μg/m3 (18) | 1.6 μg/m3 (7) | 38.0 | |
| June 19, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 16.0 μg/m3 (15) | 0.6 μg/m3 (3) | 38.0 | |
| June 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 17.0 μg/m3 (16) | 1.6 μg/m3 (7) | 37.0 | |
| June 19, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 15.0 μg/m3 (14) | 2.1 μg/m3 (9) | 37.0 | |
| June 19, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 10.0 μg/m3 (10) | 2.6 μg/m3 (11) | 38.0 | |
| June 19, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 10.0 μg/m3 (10) | 2.2 μg/m3 (10) | 38.0 | |
| June 19, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 13.0 μg/m3 (13) | 2.4 μg/m3 (10) | 39.0 | |
| June 19, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 13.0 μg/m3 (13) | 3.1 μg/m3 (13) | 39.0 | |
| June 19, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 13.0 μg/m3 (13) | 1.7 μg/m3 (8) | 40.0 | |
| June 19, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 10.0 μg/m3 (10) | 2.4 μg/m3 (10) | 40.0 | |
| June 19, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 12.0 μg/m3 (12) | -1.2 μg/m3 (0) | 41.0 | |
| June 19, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 14.0 μg/m3 (13) | -1.7 μg/m3 (0) | 42.0 | |
| June 19, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 17.0 μg/m3 (16) | 0.0 μg/m3 (0) | 43.0 | |
| June 19, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 24.0 μg/m3 (23) | 0.1 μg/m3 (1) | 46.0 | |
| June 19, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 13.0 μg/m3 (13) | 0.6 μg/m3 (3) | 49.0 | |
| June 18, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 17.0 μg/m3 (16) | 2.1 μg/m3 (9) | 50.0 | |
| June 18, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 23.0 μg/m3 (22) | 2.8 μg/m3 (12) | 51.0 | |
| June 18, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 20.0 μg/m3 (19) | 4.5 μg/m3 (19) | 51.0 | |
| June 18, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 26.0 μg/m3 (25) | 6.9 μg/m3 (29) | 51.0 | |
| June 18, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 28.0 μg/m3 (26) | 3.5 μg/m3 (15) | 55.0 | |
| June 18, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 31.0 μg/m3 (29) | 4.7 μg/m3 (20) | 51.0 | |
| June 18, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 38.0 μg/m3 (36) | 6.2 μg/m3 (26) | 48.0 | |
| June 18, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 43.0 μg/m3 (40) | 8.1 μg/m3 (34) | 47.0 | |
| June 18, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 34.0 μg/m3 (32) | 7.4 μg/m3 (31) | 48.0 | |
| June 18, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 31.0 μg/m3 (29) | 7.6 μg/m3 (32) | 50.0 | |
| June 18, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 32.0 μg/m3 (30) | 4.4 μg/m3 (19) | 35.0 | |
| June 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 25.0 μg/m3 (24) | 6.4 μg/m3 (27) | 41.0 | |
| June 18, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 25.0 μg/m3 (24) | 7.4 μg/m3 (31) | 49.0 | |
| June 18, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (61) | N/A | 27.0 μg/m3 (25) | 6.6 μg/m3 (28) | 61.0 | |
| June 18, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | 26.0 μg/m3 (25) | 8.6 μg/m3 (36) | 58.0 | |
| June 18, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 30.0 μg/m3 (28) | 4.5 μg/m3 (19) | 55.0 | |
| June 18, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 29.0 μg/m3 (27) | 3.3 μg/m3 (14) | 55.0 | |
| June 18, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | 25.0 μg/m3 (24) | 3.5 μg/m3 (15) | 58.0 | |
| June 18, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 24.0 μg/m3 (23) | 4.2 μg/m3 (18) | 51.0 | |
| June 18, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 26.0 μg/m3 (25) | 5.0 μg/m3 (21) | 50.0 | |
| June 18, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 25.0 μg/m3 (24) | 5.9 μg/m3 (25) | 50.0 | |
| June 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 27.0 μg/m3 (25) | 5.7 μg/m3 (24) | 48.0 | |
| June 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 31.0 μg/m3 (29) | 5.9 μg/m3 (25) | 49.0 | |
| June 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 34.0 μg/m3 (32) | 4.9 μg/m3 (21) | 55.0 | |
| June 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 34.0 μg/m3 (32) | 5.4 μg/m3 (23) | 55.0 | |
| June 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | 39.0 μg/m3 (37) | 3.2 μg/m3 (14) | 58.0 | |
| June 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 27.0 μg/m3 (25) | 3.3 μg/m3 (14) | 55.0 | |
| June 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 32.0 μg/m3 (30) | 3.7 μg/m3 (16) | 51.0 | |
| June 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 30.0 μg/m3 (28) | 2.8 μg/m3 (12) | 51.0 | |
| June 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 26.0 μg/m3 (25) | 3.3 μg/m3 (14) | 51.0 | |
| June 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 28.0 μg/m3 (26) | 2.1 μg/m3 (9) | 51.0 | |
| June 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 27.0 μg/m3 (25) | -0.2 μg/m3 (0) | 51.0 | |
| June 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 27.0 μg/m3 (25) | 1.1 μg/m3 (5) | 51.0 | |
| June 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 16.0 μg/m3 (15) | 3.0 μg/m3 (13) | 50.0 | |
| June 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 21.0 μg/m3 (20) | 1.4 μg/m3 (6) | 45.0 | |
| June 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 13.0 μg/m3 (13) | 1.6 μg/m3 (7) | 41.0 | |
| June 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 13.0 μg/m3 (13) | 2.1 μg/m3 (9) | 41.0 | |
| June 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 43.0 | |
| June 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 18.0 μg/m3 (17) | 5.2 μg/m3 (22) | 44.0 | |
| June 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 15.0 μg/m3 (14) | 2.1 μg/m3 (9) | 44.0 | |
| June 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 19.0 μg/m3 (18) | 2.6 μg/m3 (11) | 44.0 | |
| June 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 19.0 μg/m3 (18) | 3.8 μg/m3 (16) | 42.0 | |
| June 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 11.0 μg/m3 (11) | 4.5 μg/m3 (19) | 41.0 | |
| June 17, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 20.0 μg/m3 (19) | 3.1 μg/m3 (13) | 42.0 | |
| June 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 23.0 μg/m3 (22) | 1.9 μg/m3 (8) | 39.0 | |
| June 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 19.0 μg/m3 (18) | 3.1 μg/m3 (13) | 42.0 | |
| June 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 17.0 μg/m3 (16) | 4.7 μg/m3 (20) | 44.0 | |
| June 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 28.0 μg/m3 (26) | 5.7 μg/m3 (24) | 46.0 | |
| June 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 17.0 μg/m3 (16) | 6.2 μg/m3 (26) | 45.0 | |
| June 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 22.0 μg/m3 (21) | 0.9 μg/m3 (4) | 44.0 | |
| June 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 25.0 μg/m3 (24) | N/A | 44.0 | |
| June 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 36.0 μg/m3 (34) | 9.9 μg/m3 (42) | 45.0 | |
| June 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 49.0 μg/m3 (46) | 11.7 μg/m3 (49) | 49.0 | |
| June 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 49.0 μg/m3 (46) | 18.0 μg/m3 (64) | 64.0 | |
| June 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 52.0 μg/m3 (49) | 14.9 μg/m3 (57) | 57.0 | |
| June 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 44.0 μg/m3 (41) | 22.5 μg/m3 (73) | 73.0 | |
| June 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 39.0 μg/m3 (37) | 22.3 μg/m3 (73) | 73.0 | |
| June 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 78.0 μg/m3 (63) | 54.4 μg/m3 (148) | 148.0 | |
| June 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 66.0 μg/m3 (57) | 47.5 μg/m3 (131) | 131.0 | |
| June 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 25.0 μg/m3 (24) | 6.3 μg/m3 (27) | 39.0 | |
| June 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 30.0 μg/m3 (28) | 8.2 μg/m3 (35) | 41.0 | |
| June 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 27.0 μg/m3 (25) | 6.3 μg/m3 (27) | 40.0 | |
| June 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 30.0 μg/m3 (28) | 6.0 μg/m3 (25) | 41.0 | |
| June 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 33.0 μg/m3 (31) | 7.2 μg/m3 (31) | 42.0 | |
| June 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 31.0 μg/m3 (29) | 9.9 μg/m3 (42) | 43.0 | |
| June 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 42.0 μg/m3 (39) | 8.4 μg/m3 (36) | 45.0 | |
| June 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 30.0 μg/m3 (28) | 8.0 μg/m3 (34) | 46.0 | |
| June 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 31.0 μg/m3 (29) | 13.6 μg/m3 (55) | 55.0 | |
| June 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 32.0 μg/m3 (30) | 6.5 μg/m3 (28) | 46.0 | |
| June 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 30.0 μg/m3 (28) | 5.0 μg/m3 (21) | 44.0 | |
| June 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 49.0 μg/m3 (46) | 4.5 μg/m3 (19) | 48.0 | |
| June 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 32.0 μg/m3 (30) | 5.7 μg/m3 (24) | 50.0 | |
| June 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 31.0 μg/m3 (29) | 9.7 μg/m3 (41) | 55.0 | |
| June 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 42.0 μg/m3 (39) | 10.2 μg/m3 (43) | 55.0 | |
| June 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 42.0 μg/m3 (39) | 10.6 μg/m3 (45) | 51.0 | |
| June 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 37.0 μg/m3 (35) | 6.7 μg/m3 (28) | 50.0 | |
| June 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 40.0 μg/m3 (38) | 4.7 μg/m3 (20) | 50.0 | |
| June 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 24.0 μg/m3 (23) | 5.2 μg/m3 (22) | 46.0 | |
| June 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 10.0 μg/m3 (10) | 4.3 μg/m3 (18) | 44.0 | |
| June 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 13.0 μg/m3 (13) | 5.4 μg/m3 (23) | 41.0 | |
| June 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 9.0 μg/m3 (9) | 4.7 μg/m3 (20) | 41.0 | |
| June 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 12.0 μg/m3 (12) | 5.4 μg/m3 (23) | 40.0 | |
| June 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 11.0 μg/m3 (11) | 8.2 μg/m3 (35) | 37.0 | |
| June 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 14.0 μg/m3 (13) | 6.5 μg/m3 (28) | 38.0 | |
| June 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 16.0 μg/m3 (15) | 7.5 μg/m3 (32) | 38.0 | |
| June 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 16.0 μg/m3 (15) | 4.3 μg/m3 (18) | 43.0 | |
| June 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 16.0 μg/m3 (15) | 7.2 μg/m3 (31) | 43.0 | |
| June 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 15.0 μg/m3 (14) | 3.5 μg/m3 (15) | 48.0 | |
| June 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (65) | N/A | 29.0 μg/m3 (27) | 3.3 μg/m3 (14) | 65.0 | |
| June 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (68) | N/A | 16.0 μg/m3 (15) | 2.6 μg/m3 (11) | 68.0 | |
| June 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (61) | N/A | 12.0 μg/m3 (12) | 4.3 μg/m3 (18) | 61.0 | |
| June 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (61) | N/A | 12.0 μg/m3 (12) | 1.4 μg/m3 (6) | 61.0 | |
| June 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (65) | N/A | 15.0 μg/m3 (14) | 1.9 μg/m3 (8) | 65.0 | |
| June 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (61) | N/A | 14.0 μg/m3 (13) | 1.4 μg/m3 (6) | 61.0 | |
| June 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | 14.0 μg/m3 (13) | 1.4 μg/m3 (6) | 58.0 | |
| June 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 21.0 μg/m3 (20) | 3.1 μg/m3 (13) | 55.0 | |
| June 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 16.0 μg/m3 (15) | 2.8 μg/m3 (12) | 51.0 | |
| June 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 15.0 μg/m3 (14) | 3.1 μg/m3 (13) | 49.0 | |
| June 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 17.0 μg/m3 (16) | 5.2 μg/m3 (22) | 48.0 | |
| June 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 23.0 μg/m3 (22) | 4.2 μg/m3 (18) | 47.0 | |
| June 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 20.0 μg/m3 (19) | 2.3 μg/m3 (10) | 47.0 | |
| June 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 16.0 μg/m3 (15) | 1.7 μg/m3 (8) | 48.0 | |
| June 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 12.0 μg/m3 (12) | 3.8 μg/m3 (16) | 47.0 | |
| June 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 15.0 μg/m3 (14) | 4.7 μg/m3 (20) | 25.0 | |
| June 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 14.0 μg/m3 (13) | 4.5 μg/m3 (19) | 19.0 | |
| June 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 16.0 μg/m3 (15) | 4.2 μg/m3 (18) | 18.0 | |
| June 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 18.0 μg/m3 (17) | 0.9 μg/m3 (4) | 17.0 | |
| June 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 17.0 | |
| June 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 19.0 μg/m3 (18) | 7.0 μg/m3 (30) | 30.0 | |
| June 14, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 19.0 μg/m3 (18) | 3.0 μg/m3 (13) | 18.0 | |
| June 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 22.0 μg/m3 (21) | 4.5 μg/m3 (19) | 21.0 | |
| June 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 15.0 μg/m3 (14) | 7.7 μg/m3 (33) | 33.0 | |
| June 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 20.0 μg/m3 (19) | 3.3 μg/m3 (14) | 19.0 | |
| June 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 16.0 μg/m3 (15) | 2.2 μg/m3 (10) | 15.0 | |
| June 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 16.0 μg/m3 (15) | 4.5 μg/m3 (19) | 19.0 | |
| June 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 17.0 μg/m3 (16) | 6.0 μg/m3 (25) | 25.0 | |
| June 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 19.0 μg/m3 (18) | 8.2 μg/m3 (35) | 35.0 | |
| June 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 28.0 μg/m3 (26) | 10.1 μg/m3 (43) | 43.0 | |
| June 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 26.0 μg/m3 (25) | 6.7 μg/m3 (28) | 28.0 | |
| June 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 27.0 μg/m3 (25) | 4.3 μg/m3 (18) | 25.0 | |
| June 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 26.0 μg/m3 (25) | 6.2 μg/m3 (26) | 26.0 | |
| June 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 32.0 μg/m3 (30) | 4.0 μg/m3 (17) | 30.0 | |
| June 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 24.0 μg/m3 (23) | 4.2 μg/m3 (18) | 23.0 |