Beulah (45th Ave Swest) ND, US: 47.2986, -101.7669
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
March 8, 2021, 9 p.m. | 2.0 ppb (2) | 0.8 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 44.0 ppb (41) | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
March 8, 2021, 8 p.m. | 1.7 ppb (2) | 0.7 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 46.0 ppb (43) | N/A | N/A | 8.1 μg/m3 (34) | 43.0 | |
March 8, 2021, 7 p.m. | 1.7 ppb (2) | 0.7 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 46.0 ppb (43) | N/A | N/A | 6.6 μg/m3 (28) | 43.0 | |
March 8, 2021, 6 p.m. | 1.9 ppb (2) | 0.7 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 44.0 ppb (41) | N/A | N/A | 8.9 μg/m3 (38) | 41.0 | |
March 8, 2021, 5 p.m. | 2.6 ppb (3) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 12.6 μg/m3 (53) | 53.0 | |
March 8, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | N/A | N/A | N/A | 25.1 μg/m3 (79) | 79.0 | |
March 8, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 30.0 | |
March 8, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.5 μg/m3 (44) | 44.0 | |
March 8, 2021, 1 p.m. | 3.2 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 32.0 ppb (30) | N/A | N/A | 10.1 μg/m3 (43) | 43.0 | |
March 8, 2021, noon | 2.3 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 32.0 ppb (30) | N/A | N/A | 8.6 μg/m3 (36) | 36.0 | |
March 8, 2021, 11 a.m. | 2.1 ppb (2) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 33.0 ppb (31) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 8, 2021, 10 a.m. | 2.3 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 32.0 ppb (30) | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
March 8, 2021, 9 a.m. | 2.1 ppb (2) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 33.0 ppb (31) | N/A | N/A | 9.4 μg/m3 (40) | 40.0 | |
March 8, 2021, 8 a.m. | 2.1 ppb (2) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 35.0 ppb (33) | N/A | N/A | 9.4 μg/m3 (40) | 40.0 | |
March 8, 2021, 7 a.m. | 2.1 ppb (2) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 34.0 ppb (32) | N/A | N/A | 11.6 μg/m3 (49) | 49.0 | |
March 8, 2021, 6 a.m. | 2.2 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 34.0 ppb (32) | N/A | N/A | 11.5 μg/m3 (48) | 48.0 | |
March 8, 2021, 5 a.m. | 2.3 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 37.0 ppb (35) | N/A | N/A | 12.9 μg/m3 (53) | 53.0 | |
March 8, 2021, 4 a.m. | 3.0 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 36.0 ppb (34) | N/A | N/A | 15.7 μg/m3 (59) | 59.0 | |
March 8, 2021, 3 a.m. | 3.2 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | N/A | N/A | 13.7 μg/m3 (55) | 55.0 | |
March 8, 2021, 2 a.m. | 3.3 ppb (4) | 1.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 43.0 ppb (40) | N/A | N/A | 11.1 μg/m3 (47) | 47.0 | |
March 8, 2021, 1 a.m. | 4.5 ppb (5) | 1.6 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 42.0 ppb (39) | N/A | N/A | 10.7 μg/m3 (45) | 45.0 | |
March 8, 2021, midnight | 4.8 ppb (5) | 1.6 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 42.0 ppb (39) | N/A | N/A | 10.9 μg/m3 (46) | 46.0 | |
March 7, 2021, 11 p.m. | 3.6 ppb (4) | 1.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 44.0 ppb (41) | N/A | N/A | 7.6 μg/m3 (32) | 41.0 | |
March 7, 2021, 10 p.m. | 3.2 ppb (4) | 1.2 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 45.0 ppb (42) | N/A | N/A | 6.5 μg/m3 (28) | 42.0 | |
March 7, 2021, 9 p.m. | 4.0 ppb (4) | 1.3 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 44.0 ppb (41) | N/A | N/A | 4.7 μg/m3 (20) | 41.0 | |
March 7, 2021, 8 p.m. | 3.1 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 44.0 ppb (41) | N/A | N/A | 7.0 μg/m3 (30) | 41.0 | |
March 7, 2021, 7 p.m. | 3.3 ppb (4) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 41.0 ppb (38) | N/A | N/A | 7.8 μg/m3 (33) | 38.0 | |
March 7, 2021, 6 p.m. | 4.0 ppb (4) | 1.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | N/A | N/A | 8.7 μg/m3 (37) | 37.0 | |
March 7, 2021, 5 p.m. | 4.7 ppb (5) | 1.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 35.0 ppb (33) | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
March 7, 2021, 4 p.m. | 3.8 ppb (4) | 1.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | N/A | N/A | 11.1 μg/m3 (47) | 47.0 | |
March 7, 2021, 3 p.m. | 3.7 ppb (4) | 1.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | N/A | N/A | 10.6 μg/m3 (45) | 45.0 | |
March 7, 2021, 2 p.m. | 3.5 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 10.3 μg/m3 (43) | 43.0 | |
March 7, 2021, 1 p.m. | 3.5 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
March 7, 2021, noon | 3.8 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 9.8 μg/m3 (41) | 41.0 | |
March 7, 2021, 11 a.m. | 4.2 ppb (4) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | 29.0 ppb (27) | N/A | N/A | 11.2 μg/m3 (47) | 47.0 | |
March 7, 2021, 10 a.m. | 3.8 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 11.5 μg/m3 (48) | 48.0 | |
March 7, 2021, 9 a.m. | 3.8 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | N/A | N/A | 17.1 μg/m3 (62) | 62.0 | |
March 7, 2021, 8 a.m. | 3.9 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 30.0 ppb (28) | N/A | N/A | 22.3 μg/m3 (73) | 73.0 | |
March 7, 2021, 7 a.m. | 4.2 ppb (4) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 33.0 ppb (31) | N/A | N/A | 23.9 μg/m3 (76) | 76.0 | |
March 7, 2021, 6 a.m. | 3.9 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 35.0 ppb (33) | N/A | N/A | 25.9 μg/m3 (81) | 81.0 | |
March 7, 2021, 5 a.m. | 4.0 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 36.0 ppb (34) | N/A | N/A | 26.3 μg/m3 (81) | 81.0 | |
March 7, 2021, 4 a.m. | 3.9 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | N/A | N/A | 26.9 μg/m3 (83) | 83.0 | |
March 7, 2021, 3 a.m. | 3.8 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 40.0 ppb (38) | N/A | N/A | 27.4 μg/m3 (84) | 84.0 | |
March 7, 2021, 2 a.m. | 3.7 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 42.0 ppb (39) | N/A | N/A | 26.5 μg/m3 (82) | 82.0 | |
March 7, 2021, 1 a.m. | 3.6 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 42.0 ppb (39) | N/A | N/A | 26.6 μg/m3 (82) | 82.0 | |
March 7, 2021, midnight | 3.7 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 43.0 ppb (40) | N/A | N/A | 25.4 μg/m3 (79) | 79.0 | |
March 6, 2021, 11 p.m. | 3.8 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 44.0 ppb (41) | N/A | N/A | 26.7 μg/m3 (82) | 82.0 | |
March 6, 2021, 10 p.m. | 3.8 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 44.0 ppb (41) | N/A | N/A | 25.2 μg/m3 (79) | 79.0 | |
March 6, 2021, 9 p.m. | 3.8 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 42.0 ppb (39) | N/A | N/A | 24.7 μg/m3 (78) | 78.0 | |
March 6, 2021, 8 p.m. | 3.9 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 40.0 ppb (38) | N/A | N/A | 24.4 μg/m3 (77) | 77.0 | |
March 6, 2021, 7 p.m. | 3.6 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 39.0 ppb (37) | N/A | N/A | 24.3 μg/m3 (77) | 77.0 | |
March 6, 2021, 6 p.m. | 3.3 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 36.0 ppb (34) | N/A | N/A | 19.6 μg/m3 (67) | 67.0 | |
March 6, 2021, 5 p.m. | 3.0 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | N/A | N/A | 18.8 μg/m3 (66) | 66.0 | |
March 6, 2021, 4 p.m. | 3.0 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 18.9 μg/m3 (66) | 66.0 | |
March 6, 2021, 3 p.m. | 3.4 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | N/A | N/A | 17.7 μg/m3 (63) | 63.0 | |
March 6, 2021, 2 p.m. | 3.4 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 20.0 ppb (19) | N/A | N/A | 14.2 μg/m3 (56) | 56.0 | |
March 6, 2021, 1 p.m. | 3.4 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | N/A | N/A | 15.4 μg/m3 (58) | 58.0 | |
March 6, 2021, noon | 3.5 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 20.0 ppb (19) | N/A | N/A | 21.5 μg/m3 (71) | 71.0 | |
March 6, 2021, 11 a.m. | 3.5 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | N/A | N/A | 24.6 μg/m3 (78) | 78.0 | |
March 6, 2021, 10 a.m. | 3.3 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | N/A | N/A | 25.8 μg/m3 (80) | 80.0 | |
March 6, 2021, 9 a.m. | 3.2 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 21.0 ppb (20) | N/A | N/A | 26.5 μg/m3 (82) | 82.0 | |
March 6, 2021, 8 a.m. | 3.2 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | N/A | N/A | 27.8 μg/m3 (85) | 85.0 | |
March 6, 2021, 7 a.m. | 3.2 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | N/A | 28.1 μg/m3 (85) | 85.0 | |
March 6, 2021, 6 a.m. | 3.1 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | N/A | N/A | 24.6 μg/m3 (78) | 78.0 | |
March 6, 2021, 5 a.m. | 2.9 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | N/A | N/A | 23.2 μg/m3 (75) | 75.0 | |
March 6, 2021, 4 a.m. | 3.7 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | N/A | N/A | 21.3 μg/m3 (71) | 71.0 | |
March 6, 2021, 3 a.m. | 4.3 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
March 6, 2021, 2 a.m. | 4.8 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 21.1 μg/m3 (70) | 70.0 | |
March 6, 2021, 1 a.m. | 6.6 ppb (7) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 22.3 μg/m3 (73) | 73.0 | |
March 6, 2021, midnight | 6.6 ppb (7) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | N/A | N/A | 23.0 μg/m3 (74) | 74.0 | |
March 5, 2021, 11 p.m. | 4.6 ppb (5) | 1.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 35.0 ppb (33) | N/A | N/A | 19.6 μg/m3 (67) | 67.0 | |
March 5, 2021, 10 p.m. | 3.9 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | N/A | N/A | 19.6 μg/m3 (67) | 67.0 | |
March 5, 2021, 9 p.m. | 3.5 ppb (4) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | N/A | N/A | 17.8 μg/m3 (63) | 63.0 | |
March 5, 2021, 8 p.m. | 4.3 ppb (5) | 1.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | N/A | 20.2 μg/m3 (69) | 69.0 | |
March 5, 2021, 7 p.m. | 4.5 ppb (5) | 1.3 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | N/A | 23.1 μg/m3 (75) | 75.0 | |
March 5, 2021, 6 p.m. | 3.3 ppb (4) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | N/A | N/A | 18.3 μg/m3 (65) | 65.0 | |
March 5, 2021, 5 p.m. | 3.9 ppb (4) | 1.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | N/A | N/A | 15.6 μg/m3 (59) | 59.0 | |
March 5, 2021, 4 p.m. | 4.5 ppb (5) | 1.5 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 17.0 ppb (16) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 5, 2021, 3 p.m. | 7.1 ppb (7) | 2.9 ppb (3) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | N/A | N/A | 11.8 μg/m3 (50) | 50.0 | |
March 5, 2021, 2 p.m. | 4.9 ppb (5) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 14.0 ppb (13) | N/A | N/A | 12.8 μg/m3 (53) | 53.0 | |
March 5, 2021, 1 p.m. | 6.7 ppb (7) | 2.9 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 12.0 ppb (12) | N/A | N/A | 12.5 μg/m3 (52) | 52.0 | |
March 5, 2021, noon | 6.3 ppb (6) | 1.7 ppb (2) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 11.0 ppb (11) | N/A | N/A | 12.9 μg/m3 (53) | 53.0 | |
March 5, 2021, 11 a.m. | 5.5 ppb (6) | 1.6 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 14.0 ppb (13) | N/A | N/A | 11.7 μg/m3 (49) | 49.0 | |
March 5, 2021, 10 a.m. | 3.8 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 16.0 ppb (15) | N/A | N/A | 10.8 μg/m3 (46) | 46.0 | |
March 5, 2021, 9 a.m. | 3.0 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 18.0 ppb (17) | N/A | N/A | 10.7 μg/m3 (45) | 45.0 | |
March 5, 2021, 8 a.m. | 3.0 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | N/A | N/A | 12.9 μg/m3 (53) | 53.0 | |
March 5, 2021, 7 a.m. | 3.3 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 17.0 ppb (16) | N/A | N/A | 12.5 μg/m3 (52) | 52.0 | |
March 5, 2021, 6 a.m. | 3.1 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 16.0 ppb (15) | N/A | N/A | 17.8 μg/m3 (63) | 63.0 | |
March 5, 2021, 5 a.m. | 3.3 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 18.0 ppb (17) | N/A | N/A | 17.6 μg/m3 (63) | 63.0 | |
March 5, 2021, 4 a.m. | 4.4 ppb (5) | 1.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 19.0 ppb (18) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
March 5, 2021, 3 a.m. | 3.6 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | N/A | N/A | 17.3 μg/m3 (62) | 62.0 | |
March 5, 2021, 2 a.m. | 3.2 ppb (4) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 15.9 μg/m3 (59) | 59.0 | |
March 5, 2021, 1 a.m. | 4.9 ppb (5) | 2.6 ppb (3) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | N/A | N/A | N/A | 27.0 | |
March 5, 2021, midnight | 4.9 ppb (5) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 32.0 ppb (30) | N/A | N/A | 68.6 μg/m3 (158) | 158.0 | |
March 4, 2021, 11 p.m. | 8.7 ppb (9) | 3.6 ppb (4) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 37.0 ppb (35) | N/A | N/A | 31.2 μg/m3 (92) | 92.0 | |
March 4, 2021, 10 p.m. | 6.2 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 39.0 ppb (37) | N/A | N/A | 15.4 μg/m3 (58) | 58.0 | |
March 4, 2021, 9 p.m. | 5.4 ppb (6) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | N/A | N/A | 14.3 μg/m3 (56) | 56.0 | |
March 4, 2021, 8 p.m. | 5.5 ppb (6) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 37.0 ppb (35) | N/A | N/A | 15.3 μg/m3 (58) | 58.0 | |
March 4, 2021, 7 p.m. | 11.8 ppb (12) | 4.6 ppb (5) | N/A | 7.0 ppb (7) | N/A | 4.0 ppb (6) | 28.0 ppb (26) | N/A | N/A | 20.7 μg/m3 (70) | 70.0 | |
March 4, 2021, 6 p.m. | 7.9 ppb (8) | 3.5 ppb (4) | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | 24.0 ppb (23) | N/A | N/A | 22.6 μg/m3 (74) | 74.0 | |
March 4, 2021, 5 p.m. | 4.5 ppb (5) | 1.7 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | N/A | N/A | 19.1 μg/m3 (66) | 66.0 | |
March 4, 2021, 4 p.m. | 6.8 ppb (7) | 3.2 ppb (4) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 15.0 ppb (14) | N/A | N/A | 20.3 μg/m3 (69) | 69.0 | |
March 4, 2021, 3 p.m. | 6.3 ppb (6) | 2.7 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 15.0 ppb (14) | N/A | N/A | 19.4 μg/m3 (67) | 67.0 | |
March 4, 2021, 2 p.m. | 8.6 ppb (9) | 3.2 ppb (4) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 11.0 ppb (11) | N/A | N/A | 18.8 μg/m3 (66) | 66.0 | |
March 4, 2021, 1 p.m. | 15.4 ppb (15) | 5.5 ppb (6) | N/A | 10.0 ppb (10) | N/A | 1.0 ppb (2) | 7.0 ppb (7) | N/A | N/A | 20.8 μg/m3 (70) | 70.0 | |
March 4, 2021, noon | 13.1 ppb (13) | 4.9 ppb (5) | N/A | 8.0 ppb (8) | N/A | 1.0 ppb (2) | 11.0 ppb (11) | N/A | N/A | 18.3 μg/m3 (65) | 65.0 | |
March 4, 2021, 11 a.m. | 4.0 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 15.0 ppb (14) | N/A | N/A | 16.9 μg/m3 (62) | 62.0 | |
March 4, 2021, 10 a.m. | 4.1 ppb (4) | 1.3 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 19.0 ppb (18) | N/A | N/A | 16.6 μg/m3 (61) | 61.0 | |
March 4, 2021, 9 a.m. | 3.0 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 20.0 ppb (19) | N/A | N/A | 16.2 μg/m3 (60) | 60.0 | |
March 4, 2021, 8 a.m. | 2.9 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | N/A | N/A | 15.1 μg/m3 (58) | 58.0 | |
March 4, 2021, 7 a.m. | 3.1 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | N/A | N/A | 14.1 μg/m3 (56) | 56.0 | |
March 4, 2021, 6 a.m. | 3.0 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | N/A | 14.6 μg/m3 (57) | 57.0 | |
March 4, 2021, 5 a.m. | 3.3 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | N/A | 16.8 μg/m3 (61) | 61.0 | |
March 4, 2021, 4 a.m. | 3.7 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | N/A | N/A | 19.2 μg/m3 (66) | 66.0 | |
March 4, 2021, 3 a.m. | 4.1 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | 2.0 ppb (3) | 31.0 ppb (29) | N/A | N/A | 15.4 μg/m3 (58) | 58.0 | |
March 4, 2021, 2 a.m. | 2.5 ppb (3) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 35.0 ppb (33) | N/A | N/A | 23.1 μg/m3 (75) | 75.0 | |
March 4, 2021, 1 a.m. | 6.7 ppb (7) | 2.4 ppb (3) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 33.0 ppb (31) | N/A | N/A | 30.0 μg/m3 (89) | 89.0 | |
March 4, 2021, midnight | 6.1 ppb (6) | 2.6 ppb (3) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 37.0 ppb (35) | N/A | N/A | 68.2 μg/m3 (158) | 158.0 | |
March 3, 2021, 11 p.m. | 5.8 ppb (6) | 2.2 ppb (3) | N/A | 4.0 ppb (4) | N/A | 3.0 ppb (5) | 39.0 ppb (37) | N/A | N/A | 45.7 μg/m3 (127) | 127.0 | |
March 3, 2021, 10 p.m. | 7.3 ppb (7) | 2.7 ppb (3) | N/A | 5.0 ppb (5) | N/A | 3.0 ppb (5) | 39.0 ppb (37) | N/A | N/A | 15.7 μg/m3 (59) | 59.0 | |
March 3, 2021, 9 p.m. | 4.7 ppb (5) | 2.6 ppb (3) | N/A | 2.0 ppb (2) | N/A | 3.0 ppb (5) | 40.0 ppb (38) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
March 3, 2021, 8 p.m. | 2.6 ppb (3) | 1.3 ppb (2) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 40.0 ppb (38) | N/A | N/A | 6.7 μg/m3 (28) | 38.0 | |
March 3, 2021, 7 p.m. | 2.1 ppb (2) | 1.1 ppb (2) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 37.0 ppb (35) | N/A | N/A | 8.7 μg/m3 (37) | 37.0 | |
March 3, 2021, 6 p.m. | 3.3 ppb (4) | 1.3 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 33.0 ppb (31) | N/A | N/A | 9.3 μg/m3 (39) | 39.0 | |
March 3, 2021, 5 p.m. | 2.8 ppb (3) | 1.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 8.9 μg/m3 (38) | 38.0 | |
March 3, 2021, 4 p.m. | 2.5 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | N/A | N/A | 10.4 μg/m3 (44) | 44.0 | |
March 3, 2021, 3 p.m. | 2.3 ppb (3) | 0.9 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | N/A | N/A | 11.2 μg/m3 (47) | 47.0 | |
March 3, 2021, 2 p.m. | 2.6 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | N/A | N/A | 8.8 μg/m3 (37) | 37.0 | |
March 3, 2021, 1 p.m. | 5.2 ppb (5) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | N/A | 9.6 μg/m3 (40) | 40.0 | |
March 3, 2021, noon | 2.9 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | N/A | N/A | 7.7 μg/m3 (33) | 33.0 | |
March 3, 2021, 11 a.m. | 1.8 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | N/A | N/A | 7.1 μg/m3 (30) | 30.0 | |
March 3, 2021, 10 a.m. | 2.3 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | N/A | N/A | 7.3 μg/m3 (31) | 31.0 | |
March 3, 2021, 9 a.m. | 2.2 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 33.0 ppb (31) | N/A | N/A | 7.0 μg/m3 (30) | 31.0 | |
March 3, 2021, 8 a.m. | 3.0 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | 32.0 ppb (30) | N/A | N/A | 7.9 μg/m3 (33) | 33.0 | |
March 3, 2021, 7 a.m. | 2.5 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 30.0 ppb (28) | N/A | N/A | 8.6 μg/m3 (36) | 36.0 | |
March 3, 2021, 6 a.m. | 2.6 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | N/A | N/A | 10.8 μg/m3 (46) | 46.0 | |
March 3, 2021, 5 a.m. | 4.7 ppb (5) | 1.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | N/A | N/A | 10.6 μg/m3 (45) | 45.0 | |
March 3, 2021, 4 a.m. | 2.6 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 36.0 ppb (34) | N/A | N/A | 8.3 μg/m3 (35) | 35.0 | |
March 3, 2021, 3 a.m. | 2.1 ppb (2) | 0.6 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 36.0 ppb (34) | N/A | N/A | 9.2 μg/m3 (39) | 39.0 | |
March 3, 2021, 2 a.m. | 4.3 ppb (5) | 1.8 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 34.0 ppb (32) | N/A | N/A | 10.6 μg/m3 (45) | 45.0 | |
March 3, 2021, 1 a.m. | 3.1 ppb (3) | 1.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 37.0 ppb (35) | N/A | N/A | 25.6 μg/m3 (80) | 80.0 | |
March 3, 2021, midnight | 7.5 ppb (8) | 2.7 ppb (3) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 41.0 ppb (38) | N/A | N/A | 42.2 μg/m3 (118) | 118.0 | |
March 2, 2021, 11 p.m. | 4.6 ppb (5) | 2.7 ppb (3) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 42.0 ppb (39) | N/A | N/A | 15.5 μg/m3 (59) | 59.0 | |
March 2, 2021, 10 p.m. | 3.7 ppb (4) | 1.5 ppb (2) | N/A | 2.0 ppb (2) | N/A | 2.0 ppb (3) | 39.0 ppb (37) | N/A | N/A | 10.3 μg/m3 (43) | 43.0 | |
March 2, 2021, 9 p.m. | 8.1 ppb (8) | 3.2 ppb (4) | N/A | 5.0 ppb (5) | N/A | 12.0 ppb (18) | 36.0 ppb (34) | N/A | N/A | 15.4 μg/m3 (58) | 58.0 | |
March 2, 2021, 8 p.m. | 3.1 ppb (3) | 1.8 ppb (2) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | N/A | N/A | 9.5 μg/m3 (40) | 40.0 | |
March 2, 2021, 7 p.m. | 3.3 ppb (4) | 1.9 ppb (2) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | N/A | N/A | 10.7 μg/m3 (45) | 45.0 | |
March 2, 2021, 6 p.m. | 2.9 ppb (3) | 1.8 ppb (2) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 37.0 ppb (35) | N/A | N/A | 9.2 μg/m3 (39) | 39.0 | |
March 2, 2021, 5 p.m. | 2.5 ppb (3) | 1.6 ppb (2) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 35.0 ppb (33) | N/A | N/A | 9.1 μg/m3 (38) | 38.0 | |
March 2, 2021, 4 p.m. | 2.6 ppb (3) | 1.2 ppb (2) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 31.0 ppb (29) | N/A | N/A | 7.7 μg/m3 (33) | 33.0 | |
March 2, 2021, 3 p.m. | 1.8 ppb (2) | 0.7 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | N/A | N/A | 5.6 μg/m3 (24) | 25.0 | |
March 2, 2021, 2 p.m. | 1.5 ppb (2) | 0.6 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | N/A | N/A | 7.5 μg/m3 (32) | 32.0 | |
March 2, 2021, 1 p.m. | 1.5 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | N/A | 4.4 μg/m3 (19) | 22.0 | |
March 2, 2021, noon | 1.5 ppb (2) | 0.4 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | N/A | N/A | 3.1 μg/m3 (13) | 23.0 | |
March 2, 2021, 11 a.m. | 1.4 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | N/A | 3.6 μg/m3 (16) | 22.0 | |
March 2, 2021, 10 a.m. | 1.3 ppb (2) | 0.4 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | N/A | 3.2 μg/m3 (14) | 22.0 | |
March 2, 2021, 9 a.m. | 1.5 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 24.0 ppb (23) | N/A | N/A | 3.5 μg/m3 (15) | 23.0 | |
March 2, 2021, 8 a.m. | 1.6 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 25.0 ppb (24) | N/A | N/A | 4.1 μg/m3 (18) | 24.0 | |
March 2, 2021, 7 a.m. | 1.5 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 26.0 ppb (25) | N/A | N/A | 4.2 μg/m3 (18) | 25.0 | |
March 2, 2021, 6 a.m. | 1.7 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 4.9 μg/m3 (21) | 26.0 | |
March 2, 2021, 5 a.m. | 1.9 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 28.0 ppb (26) | N/A | N/A | 4.6 μg/m3 (20) | 26.0 | |
March 2, 2021, 4 a.m. | 1.7 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | N/A | 5.4 μg/m3 (23) | 25.0 | |
March 2, 2021, 3 a.m. | 1.9 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | N/A | 7.5 μg/m3 (32) | 32.0 | |
March 2, 2021, 2 a.m. | 1.8 ppb (2) | 0.5 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | N/A | N/A | 9.3 μg/m3 (39) | 39.0 | |
March 2, 2021, 1 a.m. | 2.8 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | N/A | N/A | 9.7 μg/m3 (41) | 41.0 | |
March 2, 2021, midnight | 2.1 ppb (2) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 27.0 ppb (25) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 1, 2021, 11 p.m. | 2.1 ppb (2) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | N/A | N/A | 9.7 μg/m3 (41) | 41.0 | |
March 1, 2021, 10 p.m. | 2.0 ppb (2) | 0.7 ppb (1) | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (2) | 30.0 ppb (28) | N/A | N/A | 10.5 μg/m3 (44) | 44.0 |