Pleasanton (Dougherty) CA, US: 37.701222, -121.903019
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
March 6, 2021, 5 a.m. | 1.4 ppb (2) | 0.6 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
March 6, 2021, 4 a.m. | 2.8 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 6, 2021, 3 a.m. | 7.7 ppb (8) | 2.3 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 6, 2021, 2 a.m. | 18.4 ppb (18) | 6.9 ppb (7) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 6, 2021, 1 a.m. | 5.9 ppb (6) | 1.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | 5.0 μg/m3 (21) | 21.0 | |
March 6, 2021, midnight | 13.2 ppb (13) | 4.5 ppb (5) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 3.0 μg/m3 (13) | 13.0 | |
March 5, 2021, 11 p.m. | 14.9 ppb (15) | 5.2 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | 4.0 μg/m3 (17) | 17.0 | |
March 5, 2021, 10 p.m. | 24.7 ppb (24) | 10.0 ppb (10) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.39 ppb (5) | N/A | 0.0 μg/m3 (0) | 24.0 | |
March 5, 2021, 9 p.m. | 20.7 ppb (20) | 8.0 ppb (8) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.37 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
March 5, 2021, 8 p.m. | 18.8 ppb (18) | 7.1 ppb (7) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 5, 2021, 7 p.m. | 38.3 ppb (37) | 16.9 ppb (16) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.49 ppb (6) | N/A | 8.0 μg/m3 (34) | 37.0 | |
March 5, 2021, 6 p.m. | 56.6 ppb (54) | 29.8 ppb (29) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 0.63 ppb (7) | N/A | 8.0 μg/m3 (34) | 54.0 | |
March 5, 2021, 5 p.m. | 52.3 ppb (50) | 28.3 ppb (27) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 10.0 μg/m3 (42) | 50.0 | |
March 5, 2021, 4 p.m. | 50.3 ppb (48) | 28.6 ppb (27) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 17.0 μg/m3 (62) | 62.0 | |
March 5, 2021, 3 p.m. | 59.3 ppb (57) | 36.6 ppb (35) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.67 ppb (8) | N/A | 10.0 μg/m3 (42) | 57.0 | |
March 5, 2021, 2 p.m. | 67.9 ppb (66) | 43.6 ppb (42) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.73 ppb (8) | N/A | 7.0 μg/m3 (30) | 66.0 | |
March 5, 2021, 1 p.m. | 43.1 ppb (41) | 22.7 ppb (22) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 5, 2021, noon | 20.0 ppb (19) | 2.5 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 5, 2021, 11 a.m. | 21.9 ppb (21) | 3.4 ppb (4) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 12.0 μg/m3 (50) | 50.0 | |
March 5, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 5, 2021, 9 a.m. | 21.3 ppb (21) | 7.4 ppb (7) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 5, 2021, 8 a.m. | 22.5 ppb (22) | 8.2 ppb (8) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.46 ppb (6) | N/A | 15.0 μg/m3 (58) | 58.0 | |
March 5, 2021, 7 a.m. | 19.3 ppb (19) | 1.7 ppb (2) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | 12.0 μg/m3 (50) | 50.0 | |
March 5, 2021, 6 a.m. | 29.7 ppb (29) | 10.6 ppb (10) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 5, 2021, 5 a.m. | 33.7 ppb (32) | 10.4 ppb (10) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.58 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
March 5, 2021, 4 a.m. | 35.9 ppb (34) | 8.7 ppb (9) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 0.69 ppb (8) | N/A | 18.0 μg/m3 (64) | 64.0 | |
March 5, 2021, 3 a.m. | 32.4 ppb (31) | 9.5 ppb (9) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 5, 2021, 2 a.m. | 26.6 ppb (26) | 6.6 ppb (7) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
March 5, 2021, 1 a.m. | 31.4 ppb (30) | 10.0 ppb (10) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 5, 2021, midnight | 15.8 ppb (15) | 3.7 ppb (4) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 4, 2021, 11 p.m. | 20.6 ppb (20) | 6.8 ppb (7) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.37 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 4, 2021, 10 p.m. | 18.2 ppb (18) | 6.4 ppb (7) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 4, 2021, 9 p.m. | 25.3 ppb (24) | 9.7 ppb (10) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 4, 2021, 8 p.m. | 31.1 ppb (30) | 11.7 ppb (12) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.48 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 4, 2021, 7 p.m. | 33.1 ppb (32) | 14.3 ppb (14) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.48 ppb (6) | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 4, 2021, 6 p.m. | 34.5 ppb (33) | 14.8 ppb (14) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 18.0 μg/m3 (64) | 64.0 | |
March 4, 2021, 5 p.m. | 65.2 ppb (63) | 35.3 ppb (34) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | 0.57 ppb (7) | N/A | 17.0 μg/m3 (62) | 63.0 | |
March 4, 2021, 4 p.m. | 56.1 ppb (54) | 30.8 ppb (30) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.55 ppb (7) | N/A | 14.0 μg/m3 (55) | 55.0 | |
March 4, 2021, 3 p.m. | 52.6 ppb (50) | 26.8 ppb (26) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 0.56 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
March 4, 2021, 2 p.m. | 37.1 ppb (35) | 13.1 ppb (13) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 8.0 μg/m3 (34) | 35.0 | |
March 4, 2021, 1 p.m. | 21.9 ppb (21) | 4.8 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 7.0 μg/m3 (30) | 30.0 | |
March 4, 2021, noon | 21.8 ppb (21) | 3.8 ppb (4) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | 7.0 μg/m3 (30) | 30.0 | |
March 4, 2021, 11 a.m. | 22.4 ppb (22) | 7.0 ppb (7) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 4, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
March 4, 2021, 9 a.m. | 18.1 ppb (18) | 2.9 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 4, 2021, 8 a.m. | 17.2 ppb (17) | 4.4 ppb (5) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 4, 2021, 7 a.m. | 14.1 ppb (14) | 4.4 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 4, 2021, 6 a.m. | 19.8 ppb (19) | 5.2 ppb (5) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.45 ppb (6) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 4, 2021, 5 a.m. | 21.2 ppb (20) | 6.2 ppb (6) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 4, 2021, 4 a.m. | 16.2 ppb (16) | 4.4 ppb (5) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 4, 2021, 3 a.m. | 12.7 ppb (12) | 2.8 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
March 4, 2021, 2 a.m. | 12.1 ppb (12) | 3.4 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 4, 2021, 1 a.m. | 15.7 ppb (15) | 4.7 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
March 4, 2021, midnight | 18.5 ppb (18) | 5.6 ppb (6) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
March 3, 2021, 11 p.m. | 13.6 ppb (13) | 2.8 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.29 ppb (4) | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 3, 2021, 10 p.m. | 10.2 ppb (10) | 2.0 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 3, 2021, 9 p.m. | 28.3 ppb (27) | 8.0 ppb (8) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 16.0 μg/m3 (60) | 60.0 | |
March 3, 2021, 8 p.m. | 33.8 ppb (32) | 12.2 ppb (12) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 15.0 μg/m3 (58) | 58.0 | |
March 3, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 3, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 3, 2021, 5 p.m. | 33.3 ppb (32) | 14.1 ppb (14) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.56 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 3, 2021, 4 p.m. | 88.3 ppb (88) | 58.9 ppb (57) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | 13.0 μg/m3 (53) | 88.0 | |
March 3, 2021, 3 p.m. | 62.6 ppb (61) | 35.8 ppb (34) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 16.0 μg/m3 (60) | 61.0 | |
March 3, 2021, 2 p.m. | 54.8 ppb (52) | 30.8 ppb (30) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | 9.0 μg/m3 (38) | 52.0 | |
March 3, 2021, 1 p.m. | 44.3 ppb (42) | 21.4 ppb (21) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.57 ppb (7) | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 3, 2021, noon | 36.3 ppb (35) | 12.0 ppb (12) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.46 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
March 3, 2021, 11 a.m. | 35.2 ppb (34) | 12.3 ppb (12) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.48 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
March 3, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 3, 2021, 9 a.m. | 21.1 ppb (20) | 6.4 ppb (7) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 3, 2021, 8 a.m. | 13.2 ppb (13) | 1.1 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 3, 2021, 7 a.m. | 24.5 ppb (24) | 5.8 ppb (6) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.55 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
March 3, 2021, 6 a.m. | 19.7 ppb (19) | 2.2 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 16.0 μg/m3 (60) | 60.0 | |
March 3, 2021, 5 a.m. | 15.8 ppb (15) | 0.8 ppb (1) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
March 3, 2021, 4 a.m. | 21.6 ppb (21) | 1.8 ppb (2) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 3, 2021, 3 a.m. | 38.9 ppb (37) | 5.7 ppb (6) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | 0.71 ppb (8) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 3, 2021, 2 a.m. | 22.4 ppb (22) | 1.8 ppb (2) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
March 3, 2021, 1 a.m. | 23.7 ppb (23) | 2.5 ppb (3) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 3, 2021, midnight | 25.9 ppb (25) | 4.2 ppb (4) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 2, 2021, 11 p.m. | 44.8 ppb (43) | 14.7 ppb (14) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 8.0 μg/m3 (34) | 43.0 | |
March 2, 2021, 10 p.m. | 34.3 ppb (33) | 10.9 ppb (11) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.49 ppb (6) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 2, 2021, 9 p.m. | 37.7 ppb (36) | 13.4 ppb (13) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.55 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
March 2, 2021, 8 p.m. | 20.9 ppb (20) | 5.8 ppb (6) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
March 2, 2021, 7 p.m. | 35.1 ppb (34) | 13.9 ppb (14) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 2, 2021, 6 p.m. | 52.3 ppb (50) | 24.9 ppb (24) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 15.0 μg/m3 (58) | 58.0 | |
March 2, 2021, 5 p.m. | 97.3 ppb (98) | 61.7 ppb (60) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 0.79 ppb (10) | N/A | 19.0 μg/m3 (66) | 98.0 | |
March 2, 2021, 4 p.m. | 50.1 ppb (48) | 24.6 ppb (24) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 0.57 ppb (7) | N/A | 8.0 μg/m3 (34) | 48.0 | |
March 2, 2021, 3 p.m. | 65.5 ppb (64) | 36.9 ppb (35) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | 0.71 ppb (8) | N/A | 13.0 μg/m3 (53) | 64.0 | |
March 2, 2021, 2 p.m. | 65.8 ppb (64) | 39.8 ppb (38) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 0.64 ppb (7) | N/A | 9.0 μg/m3 (38) | 64.0 | |
March 2, 2021, 1 p.m. | 54.1 ppb (52) | 28.3 ppb (27) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 0.55 ppb (7) | N/A | 11.0 μg/m3 (46) | 52.0 | |
March 2, 2021, noon | 43.4 ppb (41) | 19.8 ppb (19) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 7.0 μg/m3 (30) | 41.0 | |
March 2, 2021, 11 a.m. | 31.4 ppb (30) | 10.7 ppb (11) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.39 ppb (5) | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 2, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 2, 2021, 9 a.m. | 22.0 ppb (21) | 2.8 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 2, 2021, 8 a.m. | 18.3 ppb (18) | 3.6 ppb (4) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 8.0 μg/m3 (34) | 34.0 | |
March 2, 2021, 7 a.m. | 18.1 ppb (18) | 2.2 ppb (3) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 2, 2021, 6 a.m. | 19.7 ppb (19) | 3.3 ppb (4) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.46 ppb (6) | N/A | 4.0 μg/m3 (17) | 19.0 | |
March 2, 2021, 5 a.m. | 31.0 ppb (30) | 7.8 ppb (8) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.57 ppb (7) | N/A | 7.0 μg/m3 (30) | 30.0 | |
March 2, 2021, 4 a.m. | 25.9 ppb (25) | 6.0 ppb (6) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
March 2, 2021, 3 a.m. | 28.5 ppb (27) | 7.5 ppb (8) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.49 ppb (6) | N/A | 5.0 μg/m3 (21) | 27.0 | |
March 2, 2021, 2 a.m. | 14.3 ppb (14) | 0.8 ppb (1) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.37 ppb (5) | N/A | 6.0 μg/m3 (25) | 25.0 | |
March 2, 2021, 1 a.m. | 4.4 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.22 ppb (3) | N/A | 7.0 μg/m3 (30) | 30.0 | |
March 2, 2021, midnight | 3.7 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.2 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
March 1, 2021, 11 p.m. | 2.9 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.19 ppb (3) | N/A | 2.0 μg/m3 (9) | 9.0 | |
March 1, 2021, 10 p.m. | 2.9 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.18 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
March 1, 2021, 9 p.m. | 3.4 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.2 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
March 1, 2021, 8 p.m. | 4.6 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.21 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
March 1, 2021, 7 p.m. | 6.8 ppb (7) | 1.5 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 7.0 μg/m3 (30) | 30.0 | |
March 1, 2021, 6 p.m. | 43.0 ppb (41) | 19.4 ppb (19) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | N/A | 41.0 | |
March 1, 2021, 5 p.m. | 90.6 ppb (90) | 58.8 ppb (57) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | 0.82 ppb (10) | N/A | 14.0 μg/m3 (55) | 90.0 | |
March 1, 2021, 4 p.m. | 67.9 ppb (66) | 43.3 ppb (41) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.72 ppb (8) | N/A | 21.0 μg/m3 (70) | 70.0 | |
March 1, 2021, 3 p.m. | 87.6 ppb (87) | 60.5 ppb (58) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 0.78 ppb (10) | N/A | 11.0 μg/m3 (46) | 87.0 | |
March 1, 2021, 2 p.m. | 75.3 ppb (74) | 49.8 ppb (47) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 0.83 ppb (10) | N/A | 9.0 μg/m3 (38) | 74.0 | |
March 1, 2021, 1 p.m. | 60.2 ppb (58) | 36.3 ppb (35) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.55 ppb (7) | N/A | 6.0 μg/m3 (25) | 58.0 | |
March 1, 2021, noon | 35.4 ppb (34) | 13.6 ppb (13) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.48 ppb (6) | N/A | 6.0 μg/m3 (25) | 34.0 | |
March 1, 2021, 11 a.m. | 23.8 ppb (23) | 4.6 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 6.0 μg/m3 (25) | 25.0 | |
March 1, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
March 1, 2021, 9 a.m. | 16.7 ppb (16) | 4.9 ppb (5) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.39 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
March 1, 2021, 5 a.m. | 22.9 ppb (22) | 5.5 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.56 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
March 1, 2021, 4 a.m. | 23.2 ppb (22) | 6.3 ppb (6) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
March 1, 2021, 3 a.m. | 20.4 ppb (20) | 4.5 ppb (5) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 7.0 μg/m3 (30) | 30.0 | |
March 1, 2021, 2 a.m. | 23.4 ppb (23) | 6.2 ppb (6) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 13.0 μg/m3 (53) | 53.0 | |
March 1, 2021, 1 a.m. | 20.8 ppb (20) | 5.9 ppb (6) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.72 ppb (8) | N/A | 5.0 μg/m3 (21) | 21.0 | |
March 1, 2021, midnight | 8.1 ppb (8) | 2.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Feb. 28, 2021, 11 p.m. | 6.8 ppb (7) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.37 ppb (5) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Feb. 28, 2021, 10 p.m. | 11.8 ppb (12) | 4.5 ppb (5) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Feb. 28, 2021, 9 p.m. | 10.7 ppb (11) | 4.1 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.48 ppb (6) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Feb. 28, 2021, 8 p.m. | 1.6 ppb (2) | 0.4 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.18 ppb (3) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Feb. 28, 2021, 7 p.m. | 10.0 ppb (10) | 4.1 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.46 ppb (6) | N/A | 2.0 μg/m3 (9) | 10.0 | |
Feb. 28, 2021, 6 p.m. | 13.7 ppb (13) | 5.9 ppb (6) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.49 ppb (6) | N/A | 2.0 μg/m3 (9) | 13.0 | |
Feb. 28, 2021, 5 p.m. | 14.7 ppb (14) | 5.9 ppb (6) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Feb. 28, 2021, 4 p.m. | 20.7 ppb (20) | 9.0 ppb (9) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 12.0 μg/m3 (50) | 50.0 | |
Feb. 28, 2021, 3 p.m. | 37.9 ppb (36) | 21.1 ppb (20) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | 4.0 μg/m3 (17) | 36.0 | |
Feb. 28, 2021, 2 p.m. | 21.4 ppb (21) | 7.2 ppb (7) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.49 ppb (6) | N/A | 2.0 μg/m3 (9) | 21.0 | |
Feb. 28, 2021, 1 p.m. | 20.7 ppb (20) | 6.0 ppb (6) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Feb. 28, 2021, noon | 16.1 ppb (16) | 3.0 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
Feb. 28, 2021, 11 a.m. | 15.3 ppb (15) | 2.8 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.45 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
Feb. 28, 2021, 2 a.m. | 15.3 ppb (15) | 5.6 ppb (6) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.49 ppb (6) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Feb. 28, 2021, 1 a.m. | 15.8 ppb (15) | 6.2 ppb (6) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.46 ppb (6) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Feb. 28, 2021, midnight | 10.7 ppb (11) | 4.5 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 3.0 μg/m3 (13) | 13.0 | |
Feb. 27, 2021, 11 p.m. | 9.4 ppb (9) | 3.8 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | 1.0 μg/m3 (5) | 9.0 | |
Feb. 27, 2021, 10 p.m. | 15.2 ppb (15) | 6.3 ppb (6) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Feb. 27, 2021, 9 p.m. | 13.6 ppb (13) | 6.0 ppb (6) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Feb. 27, 2021, 8 p.m. | 16.9 ppb (16) | 7.3 ppb (7) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Feb. 27, 2021, 7 p.m. | 18.7 ppb (18) | 8.4 ppb (8) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 5.0 μg/m3 (21) | 21.0 | |
Feb. 27, 2021, 6 p.m. | 20.0 ppb (19) | 8.4 ppb (8) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Feb. 27, 2021, 5 p.m. | 23.9 ppb (23) | 10.7 ppb (11) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.57 ppb (7) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Feb. 27, 2021, 4 p.m. | 15.4 ppb (15) | 5.6 ppb (6) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.39 ppb (5) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Feb. 27, 2021, 3 p.m. | 19.8 ppb (19) | 7.2 ppb (7) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.39 ppb (5) | N/A | 12.0 μg/m3 (50) | 50.0 | |
Feb. 27, 2021, 2 p.m. | 31.8 ppb (30) | 14.7 ppb (14) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
Feb. 27, 2021, 1 p.m. | 23.8 ppb (23) | 11.1 ppb (11) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.37 ppb (5) | N/A | 7.0 μg/m3 (30) | 30.0 | |
Feb. 27, 2021, noon | 21.4 ppb (21) | 6.0 ppb (6) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
Feb. 27, 2021, 4 a.m. | 6.2 ppb (6) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Feb. 27, 2021, 3 a.m. | 10.9 ppb (11) | 2.0 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | 6.0 μg/m3 (25) | 25.0 | |
Feb. 27, 2021, 2 a.m. | 8.1 ppb (8) | 1.1 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Feb. 27, 2021, 1 a.m. | 7.3 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
Feb. 27, 2021, midnight | 6.6 ppb (7) | 1.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
Feb. 26, 2021, 11 p.m. | 11.8 ppb (12) | 3.4 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Feb. 26, 2021, 10 p.m. | 10.8 ppb (11) | 2.8 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | 0.26 ppb (4) | N/A | 8.0 μg/m3 (34) | 34.0 | |
Feb. 26, 2021, 9 p.m. | 18.0 ppb (17) | 6.0 ppb (6) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 13.0 μg/m3 (53) | 53.0 | |
Feb. 26, 2021, 8 p.m. | 43.0 ppb (41) | 21.8 ppb (21) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.47 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
Feb. 26, 2021, 7 p.m. | 26.3 ppb (25) | 11.3 ppb (11) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.48 ppb (6) | N/A | 9.0 μg/m3 (38) | 38.0 | |
Feb. 26, 2021, 6 p.m. | 52.2 ppb (50) | 30.6 ppb (29) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
Feb. 26, 2021, 5 p.m. | 47.3 ppb (45) | 26.5 ppb (25) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.55 ppb (7) | N/A | 9.0 μg/m3 (38) | 45.0 | |
Feb. 26, 2021, 4 p.m. | 39.5 ppb (38) | 21.3 ppb (21) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.46 ppb (6) | N/A | 6.0 μg/m3 (25) | 38.0 | |
Feb. 26, 2021, 3 p.m. | 41.8 ppb (40) | 21.0 ppb (20) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.45 ppb (6) | N/A | 6.0 μg/m3 (25) | 40.0 | |
Feb. 26, 2021, 2 p.m. | 63.8 ppb (62) | 40.0 ppb (38) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | 8.0 μg/m3 (34) | 62.0 | |
Feb. 26, 2021, 1 p.m. | 55.2 ppb (53) | 33.1 ppb (32) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 6.0 μg/m3 (25) | 53.0 | |
Feb. 26, 2021, noon | 32.8 ppb (31) | 11.1 ppb (11) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.39 ppb (5) | N/A | 6.0 μg/m3 (25) | 31.0 |