Santa Maria (N Santa Maria) CA, US: 34.942872, -120.435611
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan. 21, 2021, 8 p.m. | 10.8 ppb (11) | 4.7 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | 38.0 ppb (36) | 0.17 ppb (3) | 49.1 μg/m3 (46) | 5.0 μg/m3 (21) | 46.0 | |
Jan. 21, 2021, 7 p.m. | 12.4 ppb (12) | 5.0 ppb (5) | N/A | 7.0 ppb (7) | N/A | N/A | 34.0 ppb (32) | 0.18 ppb (3) | 35.2 μg/m3 (33) | 2.0 μg/m3 (9) | 33.0 | |
Jan. 21, 2021, 6 p.m. | 8.9 ppb (9) | 3.7 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (29) | 0.15 ppb (2) | 28.4 μg/m3 (27) | 2.0 μg/m3 (9) | 29.0 | |
Jan. 21, 2021, 5 p.m. | 11.6 ppb (11) | 4.8 ppb (5) | N/A | 7.0 ppb (7) | N/A | N/A | 26.0 ppb (25) | 0.16 ppb (3) | 39.2 μg/m3 (37) | 4.0 μg/m3 (17) | 37.0 | |
Jan. 21, 2021, 4 p.m. | 15.7 ppb (15) | 5.8 ppb (6) | N/A | 10.0 ppb (10) | N/A | N/A | 19.0 ppb (18) | 0.19 ppb (3) | 39.6 μg/m3 (37) | 7.0 μg/m3 (30) | 37.0 | |
Jan. 21, 2021, 3 p.m. | 21.1 ppb (20) | 6.9 ppb (7) | N/A | 14.0 ppb (14) | N/A | N/A | 8.0 ppb (8) | 0.26 ppb (4) | 32.0 μg/m3 (30) | 3.0 μg/m3 (13) | 30.0 | |
Jan. 21, 2021, 2 p.m. | 16.0 ppb (16) | 4.0 ppb (4) | N/A | 12.0 ppb (12) | N/A | N/A | 9.0 ppb (9) | 0.22 ppb (3) | 27.4 μg/m3 (26) | 3.0 μg/m3 (13) | 26.0 | |
Jan. 21, 2021, 1 p.m. | 10.1 ppb (10) | 2.5 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 16.0 ppb (15) | 0.19 ppb (3) | 25.8 μg/m3 (24) | 5.0 μg/m3 (21) | 24.0 | |
Jan. 21, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.2 μg/m3 (29) | 6.0 μg/m3 (25) | 29.0 | |
Jan. 21, 2021, 11 a.m. | 11.2 ppb (11) | 2.2 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 13.0 ppb (13) | 0.14 ppb (2) | 27.7 μg/m3 (26) | 4.0 μg/m3 (17) | 26.0 | |
Jan. 21, 2021, 10 a.m. | 10.5 ppb (10) | 2.2 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 15.0 ppb (14) | 0.15 ppb (2) | 33.6 μg/m3 (32) | 4.0 μg/m3 (17) | 32.0 | |
Jan. 21, 2021, 9 a.m. | 5.3 ppb (5) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (31) | 0.13 ppb (2) | 40.4 μg/m3 (38) | 6.0 μg/m3 (25) | 38.0 | |
Jan. 21, 2021, 8 a.m. | 6.6 ppb (7) | 1.7 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 34.0 ppb (32) | 0.13 ppb (2) | 38.4 μg/m3 (36) | 6.0 μg/m3 (25) | 36.0 | |
Jan. 21, 2021, 7 a.m. | 4.7 ppb (5) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 37.0 ppb (35) | 0.13 ppb (2) | 38.8 μg/m3 (36) | 7.0 μg/m3 (30) | 36.0 | |
Jan. 21, 2021, 6 a.m. | 4.8 ppb (5) | 1.7 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (34) | 0.14 ppb (2) | 42.1 μg/m3 (39) | 9.0 μg/m3 (38) | 39.0 | |
Jan. 21, 2021, 5 a.m. | 4.8 ppb (5) | 2.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.12 ppb (2) | 35.4 μg/m3 (33) | 6.0 μg/m3 (25) | 36.0 | |
Jan. 21, 2021, 4 a.m. | 4.3 ppb (5) | 1.7 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (37) | 0.12 ppb (2) | 39.7 μg/m3 (37) | 7.0 μg/m3 (30) | 37.0 | |
Jan. 21, 2021, 3 a.m. | 4.5 ppb (5) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 40.0 ppb (38) | 0.13 ppb (2) | 41.8 μg/m3 (39) | 9.0 μg/m3 (38) | 39.0 | |
Jan. 21, 2021, 2 a.m. | 4.6 ppb (5) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (38) | 0.12 ppb (2) | 40.2 μg/m3 (38) | 8.0 μg/m3 (34) | 38.0 | |
Jan. 21, 2021, 1 a.m. | 4.8 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.13 ppb (2) | 37.0 μg/m3 (35) | 6.0 μg/m3 (25) | 39.0 | |
Jan. 21, 2021, midnight | 4.7 ppb (5) | 2.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (40) | 0.12 ppb (2) | 24.3 μg/m3 (23) | 3.0 μg/m3 (13) | 40.0 | |
Jan. 20, 2021, 11 p.m. | 4.4 ppb (5) | 2.4 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (41) | 0.11 ppb (2) | 23.7 μg/m3 (22) | -1.0 μg/m3 (0) | 41.0 | |
Jan. 20, 2021, 10 p.m. | 4.3 ppb (5) | 2.2 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (41) | 0.12 ppb (2) | 15.7 μg/m3 (15) | 0.0 μg/m3 (0) | 41.0 | |
Jan. 20, 2021, 9 p.m. | 4.1 ppb (4) | 2.2 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (41) | 0.12 ppb (2) | 14.5 μg/m3 (14) | 0.0 μg/m3 (0) | 41.0 | |
Jan. 20, 2021, 8 p.m. | 4.5 ppb (5) | 2.2 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | 0.11 ppb (2) | 9.8 μg/m3 (10) | 0.0 μg/m3 (0) | 40.0 | |
Jan. 20, 2021, 7 p.m. | 4.5 ppb (5) | 2.4 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | 0.13 ppb (2) | 14.5 μg/m3 (14) | 3.0 μg/m3 (13) | 40.0 | |
Jan. 20, 2021, 6 p.m. | 5.0 ppb (5) | 2.5 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (38) | 0.13 ppb (2) | 21.7 μg/m3 (21) | 6.0 μg/m3 (25) | 38.0 | |
Jan. 20, 2021, 5 p.m. | 4.6 ppb (5) | 2.4 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (39) | 0.14 ppb (2) | 35.1 μg/m3 (33) | 4.0 μg/m3 (17) | 39.0 | |
Jan. 20, 2021, 4 p.m. | 4.4 ppb (5) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.14 ppb (2) | 39.8 μg/m3 (37) | 5.0 μg/m3 (21) | 39.0 | |
Jan. 20, 2021, 3 p.m. | 4.9 ppb (5) | 2.2 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.16 ppb (3) | 38.0 μg/m3 (36) | 7.0 μg/m3 (30) | 39.0 | |
Jan. 20, 2021, 2 p.m. | 4.2 ppb (4) | 1.7 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.14 ppb (2) | 45.1 μg/m3 (42) | 6.0 μg/m3 (25) | 42.0 | |
Jan. 20, 2021, 1 p.m. | 4.1 ppb (4) | 1.9 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | 0.14 ppb (2) | 34.5 μg/m3 (32) | 6.0 μg/m3 (25) | 40.0 | |
Jan. 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.5 μg/m3 (30) | 3.0 μg/m3 (13) | 30.0 | |
Jan. 20, 2021, 11 a.m. | 3.7 ppb (4) | 1.7 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (38) | 0.12 ppb (2) | 27.7 μg/m3 (26) | 2.0 μg/m3 (9) | 38.0 | |
Jan. 20, 2021, 10 a.m. | 3.2 ppb (4) | 1.7 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (37) | 0.11 ppb (2) | 12.8 μg/m3 (12) | 5.0 μg/m3 (21) | 37.0 | |
Jan. 20, 2021, 9 a.m. | 12.4 ppb (12) | 2.3 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | 27.0 ppb (25) | 0.18 ppb (3) | 27.2 μg/m3 (26) | 6.0 μg/m3 (25) | 26.0 | |
Jan. 20, 2021, 8 a.m. | 13.6 ppb (13) | 2.9 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | 24.0 ppb (23) | 0.2 ppb (3) | 16.1 μg/m3 (15) | 3.0 μg/m3 (13) | 23.0 | |
Jan. 20, 2021, 7 a.m. | 5.0 ppb (5) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.13 ppb (2) | 16.5 μg/m3 (16) | 1.0 μg/m3 (5) | 36.0 | |
Jan. 20, 2021, 6 a.m. | 3.9 ppb (4) | 2.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | 0.11 ppb (2) | 14.8 μg/m3 (14) | N/A | 38.0 | |
Jan. 20, 2021, 5 a.m. | 3.5 ppb (4) | 1.7 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | 0.12 ppb (2) | 19.2 μg/m3 (18) | 0.0 μg/m3 (0) | 40.0 | |
Jan. 20, 2021, 4 a.m. | 4.7 ppb (5) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.13 ppb (2) | 27.9 μg/m3 (26) | 1.0 μg/m3 (5) | 39.0 | |
Jan. 20, 2021, 3 a.m. | 4.5 ppb (5) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (38) | 0.13 ppb (2) | 21.3 μg/m3 (20) | 1.0 μg/m3 (5) | 38.0 | |
Jan. 20, 2021, 2 a.m. | 6.1 ppb (6) | 2.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 38.0 ppb (36) | 0.14 ppb (2) | 32.1 μg/m3 (30) | 3.0 μg/m3 (13) | 36.0 | |
Jan. 20, 2021, 1 a.m. | 6.3 ppb (6) | 2.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | 0.16 ppb (3) | 33.0 μg/m3 (31) | 5.0 μg/m3 (21) | 38.0 | |
Jan. 20, 2021, midnight | 5.9 ppb (6) | 2.2 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 44.0 ppb (41) | 0.14 ppb (2) | 45.1 μg/m3 (42) | 6.0 μg/m3 (25) | 42.0 | |
Jan. 19, 2021, 11 p.m. | 6.8 ppb (7) | 2.6 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 44.0 ppb (41) | 0.14 ppb (2) | 77.2 μg/m3 (62) | 6.0 μg/m3 (25) | 62.0 | |
Jan. 19, 2021, 10 p.m. | 5.5 ppb (6) | 2.3 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (42) | 0.14 ppb (2) | 65.6 μg/m3 (57) | 3.0 μg/m3 (13) | 57.0 | |
Jan. 19, 2021, 9 p.m. | 5.9 ppb (6) | 2.6 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (41) | 0.14 ppb (2) | 93.8 μg/m3 (71) | 4.0 μg/m3 (17) | 71.0 | |
Jan. 19, 2021, 8 p.m. | 5.6 ppb (6) | 2.5 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (41) | 0.14 ppb (2) | 80.8 μg/m3 (64) | 2.0 μg/m3 (9) | 64.0 | |
Jan. 19, 2021, 7 p.m. | 6.5 ppb (7) | 2.5 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 42.0 ppb (39) | 0.14 ppb (2) | 34.2 μg/m3 (32) | 1.0 μg/m3 (5) | 39.0 | |
Jan. 19, 2021, 6 p.m. | 7.7 ppb (8) | 2.8 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 40.0 ppb (38) | 0.16 ppb (3) | 58.2 μg/m3 (53) | 5.0 μg/m3 (21) | 53.0 | |
Jan. 19, 2021, 5 p.m. | 22.3 ppb (22) | 8.9 ppb (9) | N/A | 13.0 ppb (13) | N/A | N/A | 24.0 ppb (23) | 0.41 ppb (5) | 53.4 μg/m3 (50) | 8.0 μg/m3 (34) | 50.0 | |
Jan. 19, 2021, 4 p.m. | 34.6 ppb (33) | 14.6 ppb (14) | N/A | 20.0 ppb (19) | N/A | N/A | 14.0 ppb (13) | 0.32 ppb (4) | 53.0 μg/m3 (50) | 11.0 μg/m3 (46) | 50.0 | |
Jan. 19, 2021, 3 p.m. | 12.1 ppb (12) | 2.5 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | 25.0 ppb (24) | 0.2 ppb (3) | 27.1 μg/m3 (26) | 4.0 μg/m3 (17) | 26.0 | |
Jan. 19, 2021, 2 p.m. | 8.6 ppb (9) | 1.9 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 23.0 ppb (22) | 0.16 ppb (3) | 19.6 μg/m3 (19) | 5.0 μg/m3 (21) | 22.0 | |
Jan. 19, 2021, 1 p.m. | 8.3 ppb (8) | 2.1 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 27.0 ppb (25) | 0.16 ppb (3) | 16.6 μg/m3 (16) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.2 μg/m3 (20) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 19, 2021, 11 a.m. | 6.5 ppb (7) | 1.9 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 35.0 ppb (33) | 0.16 ppb (3) | 19.5 μg/m3 (19) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 19, 2021, 10 a.m. | 8.2 ppb (8) | 2.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 37.0 ppb (35) | 0.15 ppb (2) | 18.8 μg/m3 (18) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 19, 2021, 9 a.m. | 9.7 ppb (10) | 2.0 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | 29.0 ppb (27) | 0.15 ppb (2) | 16.5 μg/m3 (16) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 19, 2021, 8 a.m. | 5.8 ppb (6) | 1.9 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 43.0 ppb (40) | 0.17 ppb (3) | 24.4 μg/m3 (23) | 13.0 μg/m3 (53) | 53.0 | |
Jan. 19, 2021, 7 a.m. | 6.2 ppb (6) | 2.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 43.0 ppb (40) | 0.17 ppb (3) | 17.8 μg/m3 (17) | 8.0 μg/m3 (34) | 40.0 | |
Jan. 19, 2021, 6 a.m. | 5.1 ppb (5) | 1.7 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (42) | 0.17 ppb (3) | 23.2 μg/m3 (22) | 9.0 μg/m3 (38) | 42.0 | |
Jan. 19, 2021, 5 a.m. | 5.7 ppb (6) | 2.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 46.0 ppb (43) | 0.16 ppb (3) | 17.9 μg/m3 (17) | 12.0 μg/m3 (50) | 50.0 | |
Jan. 19, 2021, 4 a.m. | 5.8 ppb (6) | 2.2 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 47.0 ppb (44) | 0.17 ppb (3) | 23.3 μg/m3 (22) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 19, 2021, 3 a.m. | 4.3 ppb (5) | 1.8 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 50.0 ppb (47) | 0.16 ppb (3) | 25.7 μg/m3 (24) | 10.0 μg/m3 (42) | 47.0 | |
Jan. 19, 2021, 2 a.m. | 6.1 ppb (6) | 2.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 50.0 ppb (47) | 0.21 ppb (3) | 30.7 μg/m3 (29) | 12.0 μg/m3 (50) | 50.0 | |
Jan. 19, 2021, 1 a.m. | 7.5 ppb (8) | 2.5 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 48.0 ppb (45) | 0.22 ppb (3) | 30.8 μg/m3 (29) | 13.0 μg/m3 (53) | 53.0 | |
Jan. 19, 2021, midnight | 6.4 ppb (7) | 2.4 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 50.0 ppb (47) | 0.19 ppb (3) | 30.6 μg/m3 (29) | 12.0 μg/m3 (50) | 50.0 | |
Jan. 18, 2021, 11 p.m. | 7.9 ppb (8) | 2.9 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 47.0 ppb (44) | 0.19 ppb (3) | 33.0 μg/m3 (31) | 9.0 μg/m3 (38) | 44.0 | |
Jan. 18, 2021, 10 p.m. | 10.7 ppb (11) | 4.2 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | 42.0 ppb (39) | 0.18 ppb (3) | 54.9 μg/m3 (51) | 12.0 μg/m3 (50) | 51.0 | |
Jan. 18, 2021, 9 p.m. | 11.3 ppb (11) | 4.3 ppb (5) | N/A | 7.0 ppb (7) | N/A | N/A | 40.0 ppb (38) | 0.18 ppb (3) | 65.7 μg/m3 (57) | 13.0 μg/m3 (53) | 57.0 | |
Jan. 18, 2021, 8 p.m. | 15.2 ppb (15) | 6.1 ppb (6) | N/A | 9.0 ppb (9) | N/A | N/A | 35.0 ppb (33) | 0.21 ppb (3) | 42.8 μg/m3 (40) | 8.0 μg/m3 (34) | 40.0 | |
Jan. 18, 2021, 7 p.m. | 14.0 ppb (14) | 5.5 ppb (6) | N/A | 8.0 ppb (8) | N/A | N/A | 32.0 ppb (30) | 0.21 ppb (3) | 20.9 μg/m3 (20) | 3.0 μg/m3 (13) | 30.0 | |
Jan. 18, 2021, 6 p.m. | 12.0 ppb (12) | 4.8 ppb (5) | N/A | 7.0 ppb (7) | N/A | N/A | 30.0 ppb (28) | 0.2 ppb (3) | 18.8 μg/m3 (18) | 2.0 μg/m3 (9) | 28.0 | |
Jan. 18, 2021, 5 p.m. | 10.4 ppb (10) | 4.2 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 26.0 ppb (25) | 0.15 ppb (2) | 14.5 μg/m3 (14) | 3.0 μg/m3 (13) | 25.0 | |
Jan. 18, 2021, 4 p.m. | 15.1 ppb (15) | 5.9 ppb (6) | N/A | 9.0 ppb (9) | N/A | N/A | 18.0 ppb (17) | 0.18 ppb (3) | 18.1 μg/m3 (17) | 3.0 μg/m3 (13) | 17.0 | |
Jan. 18, 2021, 3 p.m. | 24.5 ppb (24) | 7.2 ppb (7) | N/A | 17.0 ppb (17) | N/A | N/A | 7.0 ppb (7) | 0.25 ppb (3) | 19.8 μg/m3 (19) | 2.0 μg/m3 (9) | 24.0 | |
Jan. 18, 2021, 2 p.m. | 10.8 ppb (11) | 2.7 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 18.0 ppb (17) | 0.19 ppb (3) | 7.1 μg/m3 (7) | 4.0 μg/m3 (17) | 17.0 | |
Jan. 18, 2021, 1 p.m. | 7.9 ppb (8) | 1.9 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 20.0 ppb (19) | 0.17 ppb (3) | 9.3 μg/m3 (9) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.9 μg/m3 (7) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 18, 2021, 11 a.m. | 5.2 ppb (5) | 1.7 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 24.0 ppb (23) | 0.12 ppb (2) | 7.2 μg/m3 (7) | 0.0 μg/m3 (0) | 23.0 | |
Jan. 18, 2021, 10 a.m. | 4.8 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 27.0 ppb (25) | 0.12 ppb (2) | 5.4 μg/m3 (5) | 5.0 μg/m3 (21) | 25.0 | |
Jan. 18, 2021, 9 a.m. | 4.4 ppb (5) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 28.0 ppb (26) | 0.11 ppb (2) | 4.5 μg/m3 (5) | 3.0 μg/m3 (13) | 26.0 | |
Jan. 18, 2021, 8 a.m. | 3.7 ppb (4) | 1.7 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 29.0 ppb (27) | 0.11 ppb (2) | 5.2 μg/m3 (5) | 0.0 μg/m3 (0) | 27.0 | |
Jan. 18, 2021, 7 a.m. | 4.7 ppb (5) | 2.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 27.0 ppb (25) | 0.12 ppb (2) | 6.2 μg/m3 (6) | 3.0 μg/m3 (13) | 25.0 | |
Jan. 18, 2021, 6 a.m. | 5.4 ppb (6) | 2.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 26.0 ppb (25) | 0.12 ppb (2) | 9.6 μg/m3 (9) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 18, 2021, 5 a.m. | 8.3 ppb (8) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 18.0 ppb (17) | 0.17 ppb (3) | 18.0 μg/m3 (17) | 8.0 μg/m3 (34) | 34.0 | |
Jan. 18, 2021, 4 a.m. | 13.6 ppb (13) | 2.5 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | 17.0 ppb (16) | 0.27 ppb (4) | 29.3 μg/m3 (28) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 18, 2021, 3 a.m. | 18.5 ppb (18) | 4.6 ppb (5) | N/A | 14.0 ppb (14) | N/A | N/A | 21.0 ppb (20) | 0.37 ppb (5) | 43.3 μg/m3 (41) | 15.0 μg/m3 (58) | 58.0 | |
Jan. 18, 2021, 2 a.m. | 22.2 ppb (21) | 6.0 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | 15.0 ppb (14) | 0.45 ppb (6) | 64.9 μg/m3 (56) | 18.0 μg/m3 (64) | 64.0 | |
Jan. 18, 2021, 1 a.m. | 13.1 ppb (13) | 3.9 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 30.0 ppb (28) | 0.26 ppb (4) | 43.6 μg/m3 (41) | 14.0 μg/m3 (55) | 55.0 | |
Jan. 18, 2021, midnight | 10.5 ppb (10) | 3.9 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | 38.0 ppb (36) | 0.24 ppb (3) | 19.3 μg/m3 (18) | 7.0 μg/m3 (30) | 36.0 | |
Jan. 17, 2021, 11 p.m. | 8.0 ppb (8) | 3.6 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 40.0 ppb (38) | 0.18 ppb (3) | 28.8 μg/m3 (27) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 17, 2021, 10 p.m. | 8.5 ppb (9) | 3.6 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 39.0 ppb (37) | 0.18 ppb (3) | 31.4 μg/m3 (30) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 17, 2021, 9 p.m. | 8.0 ppb (8) | 3.3 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 44.0 ppb (41) | 0.18 ppb (3) | 6.3 μg/m3 (6) | -2.0 μg/m3 (0) | 41.0 | |
Jan. 17, 2021, 8 p.m. | 7.9 ppb (8) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 41.0 ppb (38) | 0.19 ppb (3) | 5.4 μg/m3 (5) | 0.0 μg/m3 (0) | 38.0 | |
Jan. 17, 2021, 7 p.m. | 6.6 ppb (7) | 2.6 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 34.0 ppb (32) | 0.14 ppb (2) | 4.5 μg/m3 (5) | 0.0 μg/m3 (0) | 32.0 | |
Jan. 17, 2021, 6 p.m. | 6.6 ppb (7) | 2.9 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 31.0 ppb (29) | 0.11 ppb (2) | 5.0 μg/m3 (5) | 1.0 μg/m3 (5) | 29.0 | |
Jan. 17, 2021, 5 p.m. | 7.2 ppb (7) | 3.2 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 28.0 ppb (26) | 0.13 ppb (2) | 4.5 μg/m3 (5) | 2.0 μg/m3 (9) | 26.0 | |
Jan. 17, 2021, 4 p.m. | 6.1 ppb (6) | 2.7 ppb (3) | N/A | 3.0 ppb (3) | N/A | N/A | 24.0 ppb (23) | 0.12 ppb (2) | 0.8 μg/m3 (1) | 1.0 μg/m3 (5) | 23.0 | |
Jan. 17, 2021, 3 p.m. | 6.6 ppb (7) | 2.3 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 20.0 ppb (19) | 0.13 ppb (2) | 1.6 μg/m3 (2) | 0.0 μg/m3 (0) | 19.0 | |
Jan. 17, 2021, 2 p.m. | 5.5 ppb (6) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 20.0 ppb (19) | 0.12 ppb (2) | 2.8 μg/m3 (3) | 3.0 μg/m3 (13) | 19.0 | |
Jan. 17, 2021, 1 p.m. | 5.7 ppb (6) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 19.0 ppb (18) | 0.14 ppb (2) | 4.1 μg/m3 (4) | 4.0 μg/m3 (17) | 18.0 | |
Jan. 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.7 μg/m3 (4) | 1.0 μg/m3 (5) | 5.0 | |
Jan. 17, 2021, 11 a.m. | 6.3 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 22.0 ppb (21) | 0.14 ppb (2) | 2.1 μg/m3 (2) | 4.0 μg/m3 (17) | 21.0 | |
Jan. 17, 2021, 10 a.m. | 6.9 ppb (7) | 1.8 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 17.0 ppb (16) | 0.14 ppb (2) | 19.7 μg/m3 (19) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 17, 2021, 9 a.m. | 8.6 ppb (9) | 2.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 19.0 ppb (18) | 0.19 ppb (3) | 21.7 μg/m3 (21) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 17, 2021, 8 a.m. | 8.6 ppb (9) | 2.8 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 26.0 ppb (25) | 0.2 ppb (3) | 37.0 μg/m3 (35) | 14.0 μg/m3 (55) | 55.0 | |
Jan. 17, 2021, 7 a.m. | 8.3 ppb (8) | 2.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (28) | 0.19 ppb (3) | 8.7 μg/m3 (9) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 17, 2021, 6 a.m. | 7.4 ppb (7) | 2.6 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | 0.24 ppb (3) | 13.9 μg/m3 (13) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 17, 2021, 5 a.m. | 13.3 ppb (13) | 3.2 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | 24.0 ppb (23) | 0.28 ppb (4) | 28.8 μg/m3 (27) | 9.0 μg/m3 (38) | 38.0 | |
Jan. 17, 2021, 4 a.m. | 10.3 ppb (10) | 2.4 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 30.0 ppb (28) | 0.26 ppb (4) | 24.4 μg/m3 (23) | 6.0 μg/m3 (25) | 28.0 | |
Jan. 17, 2021, 3 a.m. | 25.5 ppb (25) | 8.8 ppb (9) | N/A | 17.0 ppb (17) | N/A | N/A | 13.0 ppb (13) | 0.52 ppb (6) | 71.4 μg/m3 (60) | 27.0 μg/m3 (83) | 83.0 | |
Jan. 17, 2021, 2 a.m. | 12.9 ppb (13) | 4.1 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 21.0 ppb (20) | 0.28 ppb (4) | 64.6 μg/m3 (56) | 23.0 μg/m3 (74) | 74.0 | |
Jan. 17, 2021, 1 a.m. | 7.3 ppb (7) | 2.5 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 39.0 ppb (37) | 0.33 ppb (4) | 9.5 μg/m3 (9) | 5.0 μg/m3 (21) | 37.0 | |
Jan. 17, 2021, midnight | 3.8 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (42) | 0.14 ppb (2) | 4.0 μg/m3 (4) | 1.0 μg/m3 (5) | 42.0 | |
Jan. 16, 2021, 11 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (41) | 0.14 ppb (2) | 9.0 μg/m3 (9) | 0.0 μg/m3 (0) | 41.0 | |
Jan. 16, 2021, 10 p.m. | 3.9 ppb (4) | 2.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | 0.15 ppb (2) | 13.0 μg/m3 (13) | 1.0 μg/m3 (5) | 40.0 | |
Jan. 16, 2021, 9 p.m. | 3.8 ppb (4) | 2.2 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | 0.14 ppb (2) | 10.7 μg/m3 (10) | 2.0 μg/m3 (9) | 40.0 | |
Jan. 16, 2021, 8 p.m. | 5.0 ppb (5) | 2.5 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | 0.14 ppb (2) | 13.8 μg/m3 (13) | 1.0 μg/m3 (5) | 40.0 | |
Jan. 16, 2021, 7 p.m. | 4.5 ppb (5) | 2.2 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (39) | 0.14 ppb (2) | 12.7 μg/m3 (12) | 1.0 μg/m3 (5) | 39.0 | |
Jan. 16, 2021, 6 p.m. | 4.4 ppb (5) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | 0.15 ppb (2) | 18.2 μg/m3 (17) | 3.0 μg/m3 (13) | 38.0 | |
Jan. 16, 2021, 5 p.m. | 4.9 ppb (5) | 2.5 ppb (3) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | 0.15 ppb (2) | 11.7 μg/m3 (11) | 6.0 μg/m3 (25) | 38.0 | |
Jan. 16, 2021, 4 p.m. | 4.7 ppb (5) | 2.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (40) | 0.14 ppb (2) | 11.8 μg/m3 (11) | 7.0 μg/m3 (30) | 40.0 | |
Jan. 16, 2021, 3 p.m. | 4.0 ppb (4) | 2.0 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (42) | 0.12 ppb (2) | 39.8 μg/m3 (37) | 7.0 μg/m3 (30) | 42.0 | |
Jan. 16, 2021, 2 p.m. | 7.2 ppb (7) | 1.9 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 40.0 ppb (38) | 0.15 ppb (2) | 13.8 μg/m3 (13) | 5.0 μg/m3 (21) | 38.0 | |
Jan. 16, 2021, 1 p.m. | 5.5 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 42.0 ppb (39) | 0.15 ppb (2) | 13.3 μg/m3 (13) | 5.0 μg/m3 (21) | 39.0 | |
Jan. 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.2 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 16, 2021, 11 a.m. | 3.6 ppb (4) | 1.9 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 48.0 ppb (45) | 0.13 ppb (2) | 25.0 μg/m3 (24) | 10.0 μg/m3 (42) | 45.0 | |
Jan. 16, 2021, 10 a.m. | 3.5 ppb (4) | 1.6 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 50.0 ppb (47) | 0.13 ppb (2) | 34.4 μg/m3 (32) | 11.0 μg/m3 (46) | 47.0 | |
Jan. 16, 2021, 9 a.m. | 4.5 ppb (5) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 49.0 ppb (46) | 0.14 ppb (2) | 26.6 μg/m3 (25) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 16, 2021, 8 a.m. | 4.2 ppb (4) | 1.6 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 50.0 ppb (47) | 0.15 ppb (2) | 29.5 μg/m3 (28) | 9.0 μg/m3 (38) | 47.0 | |
Jan. 16, 2021, 7 a.m. | 3.6 ppb (4) | 1.5 ppb (2) | N/A | 2.0 ppb (2) | N/A | N/A | 51.0 ppb (48) | 0.13 ppb (2) | 37.2 μg/m3 (35) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 16, 2021, 6 a.m. | 4.6 ppb (5) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 48.0 ppb (45) | 0.14 ppb (2) | 26.3 μg/m3 (25) | 9.0 μg/m3 (38) | 45.0 | |
Jan. 16, 2021, 5 a.m. | 18.4 ppb (18) | 4.2 ppb (4) | N/A | 14.0 ppb (14) | N/A | N/A | 24.0 ppb (23) | 0.36 ppb (5) | 40.2 μg/m3 (38) | 8.0 μg/m3 (34) | 38.0 | |
Jan. 16, 2021, 4 a.m. | 35.7 ppb (34) | 14.9 ppb (15) | N/A | 21.0 ppb (20) | N/A | N/A | 7.0 ppb (7) | 0.62 ppb (7) | 57.0 μg/m3 (52) | 23.0 μg/m3 (74) | 74.0 | |
Jan. 16, 2021, 3 a.m. | 41.5 ppb (40) | 16.5 ppb (16) | N/A | 25.0 ppb (24) | N/A | N/A | 3.0 ppb (3) | 0.75 ppb (10) | 72.2 μg/m3 (60) | 23.0 μg/m3 (74) | 74.0 | |
Jan. 16, 2021, 2 a.m. | 25.3 ppb (24) | 4.7 ppb (5) | N/A | 21.0 ppb (20) | N/A | N/A | 10.0 ppb (10) | 0.44 ppb (5) | 52.0 μg/m3 (49) | 16.0 μg/m3 (60) | 60.0 | |
Jan. 16, 2021, 1 a.m. | 14.8 ppb (14) | 3.6 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | 26.0 ppb (25) | 0.32 ppb (4) | 45.3 μg/m3 (42) | 12.0 μg/m3 (50) | 50.0 | |
Jan. 16, 2021, midnight | 11.4 ppb (11) | 4.4 ppb (5) | N/A | 7.0 ppb (7) | N/A | N/A | 33.0 ppb (31) | 0.22 ppb (3) | 38.1 μg/m3 (36) | 8.0 μg/m3 (34) | 36.0 | |
Jan. 15, 2021, 11 p.m. | 8.5 ppb (9) | 3.8 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | 0.18 ppb (3) | 45.9 μg/m3 (43) | 7.0 μg/m3 (30) | 43.0 | |
Jan. 15, 2021, 10 p.m. | 10.1 ppb (10) | 4.1 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 42.0 ppb (39) | 0.21 ppb (3) | 46.4 μg/m3 (43) | 3.0 μg/m3 (13) | 43.0 | |
Jan. 15, 2021, 9 p.m. | 13.6 ppb (13) | 5.0 ppb (5) | N/A | 9.0 ppb (9) | N/A | N/A | 39.0 ppb (37) | 0.18 ppb (3) | 49.2 μg/m3 (46) | 3.0 μg/m3 (13) | 46.0 | |
Jan. 15, 2021, 8 p.m. | 16.0 ppb (16) | 5.8 ppb (6) | N/A | 10.0 ppb (10) | N/A | N/A | 34.0 ppb (32) | 0.24 ppb (3) | 30.0 μg/m3 (28) | 0.0 μg/m3 (0) | 32.0 | |
Jan. 15, 2021, 7 p.m. | 11.5 ppb (11) | 4.4 ppb (5) | N/A | 7.0 ppb (7) | N/A | N/A | 32.0 ppb (30) | 0.18 ppb (3) | 21.7 μg/m3 (21) | 0.0 μg/m3 (0) | 30.0 | |
Jan. 15, 2021, 6 p.m. | 10.1 ppb (10) | 4.2 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 29.0 ppb (27) | 0.13 ppb (2) | 18.5 μg/m3 (18) | 4.0 μg/m3 (17) | 27.0 | |
Jan. 15, 2021, 5 p.m. | 13.1 ppb (13) | 5.5 ppb (6) | N/A | 8.0 ppb (8) | N/A | N/A | 25.0 ppb (24) | 0.15 ppb (2) | 27.9 μg/m3 (26) | 7.0 μg/m3 (30) | 30.0 | |
Jan. 15, 2021, 4 p.m. | 14.0 ppb (14) | 5.0 ppb (5) | N/A | 9.0 ppb (9) | N/A | N/A | 20.0 ppb (19) | 0.18 ppb (3) | 28.3 μg/m3 (27) | 1.0 μg/m3 (5) | 27.0 | |
Jan. 15, 2021, 3 p.m. | 15.4 ppb (15) | 4.0 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | 15.0 ppb (14) | 0.18 ppb (3) | 29.2 μg/m3 (28) | 2.0 μg/m3 (9) | 28.0 | |
Jan. 15, 2021, 2 p.m. | 11.6 ppb (11) | 2.9 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 19.0 ppb (18) | 0.17 ppb (3) | 7.6 μg/m3 (8) | 2.0 μg/m3 (9) | 18.0 | |
Jan. 15, 2021, 1 p.m. | 6.7 ppb (7) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 22.0 ppb (21) | 0.13 ppb (2) | 6.2 μg/m3 (6) | 3.0 μg/m3 (13) | 21.0 | |
Jan. 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.4 μg/m3 (8) | 2.0 μg/m3 (9) | 9.0 | |
Jan. 15, 2021, 11 a.m. | 5.0 ppb (5) | 2.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 24.0 ppb (23) | 0.11 ppb (2) | 6.9 μg/m3 (7) | 3.0 μg/m3 (13) | 23.0 | |
Jan. 15, 2021, 10 a.m. | 4.4 ppb (5) | 1.7 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 25.0 ppb (24) | 0.1 ppb (2) | 5.4 μg/m3 (5) | 4.0 μg/m3 (17) | 24.0 | |
Jan. 15, 2021, 9 a.m. | 4.8 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 25.0 ppb (24) | 0.11 ppb (2) | 6.3 μg/m3 (6) | 3.0 μg/m3 (13) | 24.0 | |
Jan. 15, 2021, 8 a.m. | 5.9 ppb (6) | 1.9 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 22.0 ppb (21) | 0.13 ppb (2) | 11.6 μg/m3 (11) | 6.0 μg/m3 (25) | 25.0 | |
Jan. 15, 2021, 7 a.m. | 7.6 ppb (8) | 2.3 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 18.0 ppb (17) | 0.16 ppb (3) | 21.7 μg/m3 (21) | 10.0 μg/m3 (42) | 42.0 | |
Jan. 15, 2021, 6 a.m. | 8.5 ppb (9) | 2.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 15.0 ppb (14) | 0.17 ppb (3) | 30.5 μg/m3 (29) | 14.0 μg/m3 (55) | 55.0 | |
Jan. 15, 2021, 5 a.m. | 11.7 ppb (12) | 2.6 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 12.0 ppb (12) | 0.21 ppb (3) | 36.1 μg/m3 (34) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 15, 2021, 4 a.m. | 24.7 ppb (24) | 4.8 ppb (5) | N/A | 20.0 ppb (19) | N/A | N/A | 7.0 ppb (7) | 0.42 ppb (5) | 54.0 μg/m3 (50) | 18.0 μg/m3 (64) | 64.0 | |
Jan. 15, 2021, 3 a.m. | 19.1 ppb (19) | 3.7 ppb (4) | N/A | 16.0 ppb (16) | N/A | N/A | 15.0 ppb (14) | 0.34 ppb (4) | 52.4 μg/m3 (49) | 23.0 μg/m3 (74) | 74.0 | |
Jan. 15, 2021, 2 a.m. | 19.1 ppb (19) | 4.9 ppb (5) | N/A | 14.0 ppb (14) | N/A | N/A | 20.0 ppb (19) | 0.33 ppb (4) | 58.8 μg/m3 (53) | 19.0 μg/m3 (66) | 66.0 | |
Jan. 15, 2021, 1 a.m. | 13.1 ppb (13) | 4.1 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 29.0 ppb (27) | 0.28 ppb (4) | 56.9 μg/m3 (52) | 11.0 μg/m3 (46) | 52.0 | |
Jan. 15, 2021, midnight | 12.8 ppb (13) | 4.2 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 30.0 ppb (28) | 0.22 ppb (3) | 62.7 μg/m3 (55) | 14.0 μg/m3 (55) | 55.0 | |
Jan. 14, 2021, 11 p.m. | 12.0 ppb (12) | 4.7 ppb (5) | N/A | 7.0 ppb (7) | N/A | N/A | 33.0 ppb (31) | 0.19 ppb (3) | 53.4 μg/m3 (50) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 14, 2021, 10 p.m. | 9.8 ppb (10) | 4.1 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 38.0 ppb (36) | 0.17 ppb (3) | 51.2 μg/m3 (48) | 9.0 μg/m3 (38) | 48.0 | |
Jan. 14, 2021, 9 p.m. | 9.6 ppb (10) | 3.9 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 41.0 ppb (38) | 0.17 ppb (3) | 35.6 μg/m3 (33) | 9.0 μg/m3 (38) | 38.0 |