Elk Point (475th Ave) SD, US: 42.751518, -96.707208
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Oct. 21, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 13.0 | |
Oct. 21, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 13.0 | |
Oct. 21, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 13.0 | |
Oct. 21, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
Oct. 21, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
Oct. 21, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 15.0 | |
Oct. 21, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 15.0 | |
Oct. 21, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 16.0 | |
Oct. 21, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 16.0 | |
Oct. 21, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 15.0 | |
Oct. 21, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
Oct. 21, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
Oct. 21, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
Oct. 21, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
Oct. 21, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
Oct. 20, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 13.0 | |
Oct. 20, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 13.0 | |
Oct. 20, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 12.0 | |
Oct. 20, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 12.0 | |
Oct. 20, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 11.0 | |
Oct. 20, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 10.0 | |
Oct. 20, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 9.0 | |
Oct. 20, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 9.0 | |
Oct. 20, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 8.0 | |
Oct. 20, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 8.0 | |
Oct. 20, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 7.0 | |
Oct. 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 7.0 | |
Oct. 20, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 7.0 | |
Oct. 20, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 7.0 | |
Oct. 20, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 8.0 | |
Oct. 20, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 12.0 | |
Oct. 20, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 21.0 | |
Oct. 20, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
Oct. 20, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 49.0 μg/m3 (46) | N/A | 46.0 | |
Oct. 20, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 51.0 μg/m3 (48) | N/A | 48.0 | |
Oct. 20, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 49.0 μg/m3 (46) | N/A | 46.0 | |
Oct. 20, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 61.0 μg/m3 (54) | N/A | 54.0 | |
Oct. 20, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 54.0 μg/m3 (50) | N/A | 50.0 | |
Oct. 20, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 102.0 μg/m3 (75) | N/A | 75.0 | |
Oct. 19, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 38.0 μg/m3 (36) | N/A | 43.0 | |
Oct. 19, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 51.0 μg/m3 (48) | N/A | 48.0 | |
Oct. 19, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 43.0 μg/m3 (40) | N/A | 48.0 | |
Oct. 19, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 52.0 μg/m3 (49) | N/A | 49.0 | |
Oct. 19, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 64.0 μg/m3 (56) | N/A | 56.0 | |
Oct. 19, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 54.0 μg/m3 (50) | N/A | 50.0 | |
Oct. 19, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 64.0 μg/m3 (56) | 16.3 μg/m3 (60) | 60.0 | |
Oct. 19, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 33.0 μg/m3 (31) | 6.9 μg/m3 (29) | 39.0 | |
Oct. 19, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 53.0 μg/m3 (50) | 12.4 μg/m3 (52) | 52.0 | |
Oct. 19, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 32.0 μg/m3 (30) | 7.4 μg/m3 (31) | 31.0 | |
Oct. 19, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 17.0 μg/m3 (16) | 8.1 μg/m3 (34) | 34.0 | |
Oct. 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 18.0 μg/m3 (17) | 7.2 μg/m3 (31) | 31.0 | |
Oct. 19, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 13.0 μg/m3 (13) | 7.6 μg/m3 (32) | 32.0 | |
Oct. 19, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 14.0 μg/m3 (13) | 7.9 μg/m3 (33) | 33.0 | |
Oct. 19, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 18.0 μg/m3 (17) | 4.3 μg/m3 (18) | 25.0 | |
Oct. 19, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 18.0 μg/m3 (17) | 6.9 μg/m3 (29) | 29.0 | |
Oct. 19, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 20.0 μg/m3 (19) | 7.9 μg/m3 (33) | 33.0 | |
Oct. 19, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 18.0 μg/m3 (17) | 5.3 μg/m3 (23) | 27.0 | |
Oct. 19, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 23.0 μg/m3 (22) | 9.1 μg/m3 (38) | 38.0 | |
Oct. 19, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 39.0 μg/m3 (37) | 9.4 μg/m3 (40) | 40.0 | |
Oct. 19, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 42.0 μg/m3 (39) | 9.6 μg/m3 (40) | 40.0 | |
Oct. 19, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 81.0 μg/m3 (64) | 10.4 μg/m3 (44) | 64.0 | |
Oct. 19, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | N/A | 12.1 μg/m3 (51) | 51.0 | |
Oct. 19, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 73.0 μg/m3 (60) | 14.5 μg/m3 (57) | 60.0 | |
Oct. 18, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 41.0 μg/m3 (38) | 5.8 μg/m3 (25) | 38.0 | |
Oct. 18, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 64.0 μg/m3 (56) | 9.9 μg/m3 (42) | 56.0 | |
Oct. 18, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 82.0 μg/m3 (65) | 12.6 μg/m3 (53) | 65.0 | |
Oct. 18, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 168.0 μg/m3 (108) | 15.0 μg/m3 (58) | 108.0 | |
Oct. 18, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 135.0 μg/m3 (91) | 10.9 μg/m3 (46) | 91.0 | |
Oct. 18, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 66.0 μg/m3 (57) | 7.9 μg/m3 (33) | 57.0 | |
Oct. 18, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 64.0 μg/m3 (56) | 4.8 μg/m3 (20) | 56.0 | |
Oct. 18, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 42.0 μg/m3 (39) | 2.1 μg/m3 (9) | 39.0 | |
Oct. 18, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 37.0 μg/m3 (35) | 3.3 μg/m3 (14) | 35.0 | |
Oct. 18, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 24.0 μg/m3 (23) | 5.1 μg/m3 (22) | 23.0 | |
Oct. 18, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 27.0 μg/m3 (25) | 6.0 μg/m3 (25) | 25.0 | |
Oct. 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 20.0 μg/m3 (19) | 5.7 μg/m3 (24) | 24.0 | |
Oct. 18, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 18.0 μg/m3 (17) | 6.0 μg/m3 (25) | 25.0 | |
Oct. 18, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 18.0 μg/m3 (17) | 6.0 μg/m3 (25) | 25.0 | |
Oct. 18, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 18.0 μg/m3 (17) | 4.1 μg/m3 (18) | 18.0 | |
Oct. 18, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 24.0 μg/m3 (23) | 4.1 μg/m3 (18) | 23.0 | |
Oct. 18, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 24.0 μg/m3 (23) | 5.7 μg/m3 (24) | 24.0 | |
Oct. 18, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 26.0 μg/m3 (25) | 7.4 μg/m3 (31) | 31.0 | |
Oct. 18, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 24.0 μg/m3 (23) | 5.3 μg/m3 (23) | 23.0 | |
Oct. 18, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 23.0 μg/m3 (22) | 5.8 μg/m3 (25) | 25.0 | |
Oct. 18, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 31.0 μg/m3 (29) | 5.5 μg/m3 (23) | 29.0 | |
Oct. 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 40.0 μg/m3 (38) | 9.1 μg/m3 (38) | 38.0 | |
Oct. 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 50.0 μg/m3 (47) | 17.5 μg/m3 (63) | 63.0 | |
Oct. 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 31.0 μg/m3 (29) | 4.3 μg/m3 (18) | 30.0 | |
Oct. 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 42.0 μg/m3 (39) | 4.8 μg/m3 (20) | 39.0 | |
Oct. 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 51.0 μg/m3 (48) | 8.1 μg/m3 (34) | 48.0 | |
Oct. 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 53.0 μg/m3 (50) | 7.9 μg/m3 (33) | 50.0 | |
Oct. 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 51.0 μg/m3 (48) | 5.3 μg/m3 (23) | 48.0 | |
Oct. 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 66.0 μg/m3 (57) | 6.0 μg/m3 (25) | 57.0 | |
Oct. 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 53.0 μg/m3 (50) | 5.8 μg/m3 (25) | 50.0 | |
Oct. 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 29.0 μg/m3 (27) | 3.1 μg/m3 (13) | 27.0 | |
Oct. 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 21.0 μg/m3 (20) | 3.9 μg/m3 (17) | 22.0 | |
Oct. 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 20.0 μg/m3 (19) | 5.1 μg/m3 (22) | 22.0 | |
Oct. 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 19.0 μg/m3 (18) | 3.8 μg/m3 (16) | 18.0 | |
Oct. 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 15.0 μg/m3 (14) | 5.0 μg/m3 (21) | 21.0 | |
Oct. 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 14.0 μg/m3 (13) | 4.8 μg/m3 (20) | 20.0 | |
Oct. 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 15.0 μg/m3 (14) | 7.6 μg/m3 (32) | 32.0 | |
Oct. 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 18.0 μg/m3 (17) | 9.6 μg/m3 (40) | 40.0 | |
Oct. 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 14.0 μg/m3 (13) | 4.8 μg/m3 (20) | 20.0 | |
Oct. 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 20.0 μg/m3 (19) | 7.6 μg/m3 (32) | 32.0 | |
Oct. 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 20.0 μg/m3 (19) | 5.7 μg/m3 (24) | 24.0 | |
Oct. 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 23.0 μg/m3 (22) | 6.9 μg/m3 (29) | 29.0 | |
Oct. 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 23.0 μg/m3 (22) | 10.8 μg/m3 (46) | 46.0 | |
Oct. 17, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 31.0 μg/m3 (29) | 10.8 μg/m3 (46) | 46.0 | |
Oct. 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 21.0 μg/m3 (20) | 4.3 μg/m3 (18) | 20.0 | |
Oct. 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 46.0 μg/m3 (43) | 7.1 μg/m3 (30) | 43.0 | |
Oct. 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 25.0 μg/m3 (24) | 5.5 μg/m3 (23) | 27.0 | |
Oct. 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 26.0 μg/m3 (25) | 5.1 μg/m3 (22) | 29.0 | |
Oct. 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 44.0 μg/m3 (41) | 7.7 μg/m3 (33) | 41.0 | |
Oct. 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 29.0 μg/m3 (27) | 5.1 μg/m3 (22) | 38.0 | |
Oct. 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 6.0 μg/m3 (6) | 4.8 μg/m3 (20) | 38.0 | |
Oct. 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 24.0 μg/m3 (23) | 3.6 μg/m3 (16) | 38.0 | |
Oct. 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 22.0 μg/m3 (21) | 0.0 μg/m3 (0) | 37.0 | |
Oct. 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 8.0 μg/m3 (8) | 0.2 μg/m3 (1) | 36.0 | |
Oct. 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 24.0 μg/m3 (23) | 1.1 μg/m3 (5) | 34.0 | |
Oct. 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 31.0 μg/m3 (29) | 1.6 μg/m3 (7) | 31.0 | |
Oct. 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 12.0 μg/m3 (12) | 3.6 μg/m3 (16) | 26.0 | |
Oct. 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 11.0 μg/m3 (11) | 7.2 μg/m3 (31) | 31.0 | |
Oct. 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 54.0 μg/m3 (50) | 8.6 μg/m3 (36) | 50.0 | |
Oct. 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 22.0 μg/m3 (21) | 4.5 μg/m3 (19) | 21.0 | |
Oct. 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 7.0 μg/m3 (7) | 4.1 μg/m3 (18) | 18.0 | |
Oct. 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 4.0 μg/m3 (4) | 4.5 μg/m3 (19) | 19.0 | |
Oct. 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 8.0 μg/m3 (8) | 3.1 μg/m3 (13) | 17.0 | |
Oct. 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 8.0 μg/m3 (8) | 5.3 μg/m3 (23) | 23.0 | |
Oct. 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 9.0 μg/m3 (9) | 5.8 μg/m3 (25) | 25.0 | |
Oct. 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 13.0 μg/m3 (13) | 4.8 μg/m3 (20) | 20.0 | |
Oct. 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 16.0 μg/m3 (15) | 3.3 μg/m3 (14) | 22.0 | |
Oct. 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 18.0 μg/m3 (17) | 4.6 μg/m3 (20) | 24.0 | |
Oct. 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 14.0 μg/m3 (13) | 7.6 μg/m3 (32) | 32.0 | |
Oct. 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 23.0 μg/m3 (22) | 4.3 μg/m3 (18) | 25.0 | |
Oct. 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 16.0 μg/m3 (15) | 2.6 μg/m3 (11) | 25.0 | |
Oct. 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 18.0 μg/m3 (17) | 4.1 μg/m3 (18) | 25.0 | |
Oct. 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 32.0 μg/m3 (30) | 3.1 μg/m3 (13) | 30.0 | |
Oct. 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 29.0 μg/m3 (27) | 4.1 μg/m3 (18) | 31.0 | |
Oct. 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 30.0 μg/m3 (28) | 4.1 μg/m3 (18) | 33.0 | |
Oct. 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 57.0 μg/m3 (52) | 3.4 μg/m3 (15) | 52.0 | |
Oct. 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 67.0 μg/m3 (57) | 1.7 μg/m3 (8) | 57.0 | |
Oct. 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 10.0 μg/m3 (10) | 2.1 μg/m3 (9) | 28.0 | |
Oct. 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 14.0 μg/m3 (13) | 0.7 μg/m3 (3) | 28.0 | |
Oct. 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 27.0 μg/m3 (25) | 1.4 μg/m3 (6) | 26.0 | |
Oct. 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 26.0 μg/m3 (25) | 3.8 μg/m3 (16) | 25.0 | |
Oct. 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 27.0 μg/m3 (25) | 3.6 μg/m3 (16) | 25.0 | |
Oct. 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 9.0 μg/m3 (9) | 6.0 μg/m3 (25) | 25.0 | |
Oct. 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 35.0 μg/m3 (33) | 11.1 μg/m3 (47) | 47.0 | |
Oct. 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 14.0 μg/m3 (13) | 4.3 μg/m3 (18) | 18.0 | |
Oct. 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 5.0 μg/m3 (5) | 3.8 μg/m3 (16) | 16.0 | |
Oct. 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 7.0 μg/m3 (7) | 4.1 μg/m3 (18) | 18.0 | |
Oct. 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 9.0 μg/m3 (9) | 4.3 μg/m3 (18) | 18.0 | |
Oct. 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 6.0 μg/m3 (6) | 5.0 μg/m3 (21) | 21.0 | |
Oct. 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 0.0 μg/m3 (0) | 4.1 μg/m3 (18) | 18.0 | |
Oct. 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 4.0 μg/m3 (4) | 0.9 μg/m3 (4) | 23.0 | |
Oct. 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 7.0 μg/m3 (7) | 1.4 μg/m3 (6) | 25.0 | |
Oct. 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 20.0 μg/m3 (19) | 5.3 μg/m3 (23) | 23.0 | |
Oct. 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 30.0 μg/m3 (28) | 8.4 μg/m3 (36) | 36.0 | |
Oct. 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 44.0 μg/m3 (41) | 7.2 μg/m3 (31) | 41.0 | |
Oct. 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 52.0 μg/m3 (49) | 9.4 μg/m3 (40) | 49.0 | |
Oct. 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 6.0 μg/m3 (6) | 4.3 μg/m3 (18) | 26.0 | |
Oct. 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 56.0 μg/m3 (52) | 5.8 μg/m3 (25) | 52.0 | |
Oct. 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 29.0 μg/m3 (27) | 3.1 μg/m3 (13) | 30.0 | |
Oct. 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 22.0 μg/m3 (21) | 2.1 μg/m3 (9) | 30.0 | |
Oct. 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 41.0 μg/m3 (38) | 1.4 μg/m3 (6) | 38.0 | |
Oct. 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 21.0 μg/m3 (20) | 2.4 μg/m3 (10) | 30.0 | |
Oct. 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 25.0 μg/m3 (24) | 3.1 μg/m3 (13) | 30.0 | |
Oct. 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 14.0 μg/m3 (13) | 1.8 μg/m3 (8) | 30.0 | |
Oct. 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 19.0 μg/m3 (18) | 0.4 μg/m3 (2) | 27.0 |