Reseda (Reseda) CA, US: 34.1992, -118.5331
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 17, 2021, 9 p.m. | 2.0 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 50.0 ppb (47) | 0.21 ppb (3) | N/A | 9.3 μg/m3 (39) | 47.0 | |
| May 17, 2021, 8 p.m. | 2.1 ppb (2) | -0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 54.0 ppb (50) | 0.27 ppb (4) | N/A | 20.1 μg/m3 (68) | 68.0 | |
| May 17, 2021, 7 p.m. | 2.4 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 50.0 ppb (47) | 0.31 ppb (4) | N/A | 19.3 μg/m3 (67) | 67.0 | |
| May 17, 2021, 6 p.m. | 3.9 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 42.0 ppb (39) | 0.27 ppb (4) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| May 17, 2021, 5 p.m. | 3.6 ppb (4) | -0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | 0.27 ppb (4) | N/A | 6.3 μg/m3 (27) | 38.0 | |
| May 17, 2021, 4 p.m. | 3.1 ppb (3) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (37) | 0.25 ppb (3) | N/A | 7.1 μg/m3 (30) | 37.0 | |
| May 17, 2021, 3 p.m. | 2.5 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 37.0 ppb (35) | 0.22 ppb (3) | N/A | 6.8 μg/m3 (29) | 35.0 | |
| May 17, 2021, 2 p.m. | 4.6 ppb (5) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (31) | 0.22 ppb (3) | N/A | 6.2 μg/m3 (26) | 31.0 | |
| May 17, 2021, 1 p.m. | 5.3 ppb (5) | -0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (29) | 0.22 ppb (3) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| May 17, 2021, noon | 4.1 ppb (4) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 34.0 ppb (32) | 0.2 ppb (3) | N/A | 6.2 μg/m3 (26) | 32.0 | |
| May 17, 2021, 11 a.m. | -0.1 ppb (0) | -1.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 38.0 ppb (36) | 0.16 ppb (3) | N/A | 6.6 μg/m3 (28) | 36.0 | |
| May 17, 2021, 10 a.m. | 0.2 ppb (1) | -1.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 38.0 ppb (36) | 0.16 ppb (3) | N/A | 7.4 μg/m3 (31) | 36.0 | |
| May 17, 2021, 9 a.m. | 0.5 ppb (1) | -0.9 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 38.0 ppb (36) | 0.17 ppb (3) | N/A | 5.4 μg/m3 (23) | 36.0 | |
| May 17, 2021, 8 a.m. | -0.1 ppb (0) | -1.1 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 39.0 ppb (37) | 0.16 ppb (3) | N/A | 6.2 μg/m3 (26) | 37.0 | |
| May 17, 2021, 7 a.m. | 0.5 ppb (1) | -1.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (36) | 0.18 ppb (3) | N/A | 6.6 μg/m3 (28) | 36.0 | |
| May 17, 2021, 6 a.m. | 2.7 ppb (3) | -0.8 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 37.0 ppb (35) | 0.57 ppb (7) | N/A | 25.7 μg/m3 (80) | 80.0 | |
| May 17, 2021, 5 a.m. | 1.4 ppb (2) | -1.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (37) | 0.19 ppb (3) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| May 17, 2021, 4 a.m. | 4.7 ppb (5) | -0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | 0.54 ppb (6) | N/A | 39.8 μg/m3 (112) | 112.0 | |
| May 17, 2021, 3 a.m. | 6.2 ppb (6) | -0.5 ppb (0) | N/A | 7.0 ppb (7) | N/A | N/A | 41.0 ppb (38) | 1.09 ppb (13) | N/A | 49.8 μg/m3 (137) | 137.0 | |
| May 17, 2021, 2 a.m. | 1.8 ppb (2) | -0.7 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (42) | 0.24 ppb (3) | N/A | 8.4 μg/m3 (36) | 42.0 | |
| May 17, 2021, 1 a.m. | 1.5 ppb (2) | -0.8 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | 0.23 ppb (3) | N/A | 12.7 μg/m3 (53) | 53.0 | |
| May 17, 2021, midnight | 5.7 ppb (6) | -0.6 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 48.0 ppb (45) | 0.85 ppb (10) | N/A | 79.9 μg/m3 (164) | 164.0 | |
| May 16, 2021, 11 p.m. | 4.8 ppb (5) | -0.6 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 51.0 ppb (48) | 0.74 ppb (8) | N/A | 48.4 μg/m3 (133) | 133.0 | |
| May 16, 2021, 10 p.m. | 1.1 ppb (2) | -0.7 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 50.0 ppb (47) | 0.15 ppb (2) | N/A | 4.9 μg/m3 (21) | 47.0 | |
| May 16, 2021, 9 p.m. | 1.2 ppb (2) | -0.7 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 50.0 ppb (47) | 0.16 ppb (3) | N/A | 6.4 μg/m3 (27) | 47.0 | |
| May 16, 2021, 8 p.m. | 2.1 ppb (2) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 47.0 ppb (44) | 0.15 ppb (2) | N/A | 5.2 μg/m3 (22) | 44.0 | |
| May 16, 2021, 7 p.m. | 2.1 ppb (2) | -0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 46.0 ppb (43) | 0.17 ppb (3) | N/A | 2.2 μg/m3 (10) | 43.0 | |
| May 16, 2021, 6 p.m. | 1.9 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (42) | 0.15 ppb (2) | N/A | 1.2 μg/m3 (5) | 42.0 | |
| May 16, 2021, 5 p.m. | 1.4 ppb (2) | -0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (40) | 0.15 ppb (2) | N/A | 5.4 μg/m3 (23) | 40.0 | |
| May 16, 2021, 4 p.m. | 1.3 ppb (2) | -0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (39) | 0.15 ppb (2) | N/A | 5.4 μg/m3 (23) | 39.0 | |
| May 16, 2021, 3 p.m. | 1.8 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (37) | 0.16 ppb (3) | N/A | 6.2 μg/m3 (26) | 37.0 | |
| May 16, 2021, 2 p.m. | 0.7 ppb (1) | -0.9 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (37) | 0.32 ppb (4) | N/A | 16.7 μg/m3 (61) | 61.0 | |
| May 16, 2021, 1 p.m. | 0.0 ppb (0) | -1.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 40.0 ppb (38) | 0.19 ppb (3) | N/A | 5.7 μg/m3 (24) | 38.0 | |
| May 16, 2021, noon | 0.8 ppb (1) | -0.7 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 40.0 ppb (38) | 0.15 ppb (2) | N/A | 4.7 μg/m3 (20) | 38.0 | |
| May 16, 2021, 11 a.m. | 1.5 ppb (2) | -0.6 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (38) | 0.15 ppb (2) | N/A | 8.4 μg/m3 (36) | 38.0 | |
| May 16, 2021, 10 a.m. | 1.7 ppb (2) | -0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | 0.16 ppb (3) | N/A | 8.8 μg/m3 (37) | 38.0 | |
| May 16, 2021, 9 a.m. | 1.6 ppb (2) | -0.6 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (39) | 0.16 ppb (3) | N/A | 9.3 μg/m3 (39) | 39.0 | |
| May 16, 2021, 8 a.m. | 0.6 ppb (1) | -0.8 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 43.0 ppb (40) | 0.17 ppb (3) | N/A | 11.7 μg/m3 (49) | 49.0 | |
| May 16, 2021, 7 a.m. | 1.9 ppb (2) | -0.7 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 40.0 ppb (38) | 0.45 ppb (6) | N/A | 30.4 μg/m3 (90) | 90.0 | |
| May 16, 2021, 6 a.m. | 2.9 ppb (3) | -0.6 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (38) | 0.67 ppb (8) | N/A | 40.5 μg/m3 (114) | 114.0 | |
| May 16, 2021, 5 a.m. | 5.2 ppb (5) | -0.5 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 39.0 ppb (37) | 0.98 ppb (12) | N/A | 56.8 μg/m3 (152) | 152.0 | |
| May 16, 2021, 4 a.m. | 6.4 ppb (7) | -0.4 ppb (0) | N/A | 7.0 ppb (7) | N/A | N/A | 39.0 ppb (37) | 1.02 ppb (12) | N/A | 72.3 μg/m3 (160) | 160.0 | |
| May 16, 2021, 3 a.m. | 6.6 ppb (7) | -0.5 ppb (0) | N/A | 7.0 ppb (7) | N/A | N/A | 43.0 ppb (40) | 0.97 ppb (12) | N/A | 64.6 μg/m3 (156) | 156.0 | |
| May 16, 2021, 2 a.m. | 1.9 ppb (2) | -0.9 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 47.0 ppb (44) | 0.22 ppb (3) | N/A | 14.2 μg/m3 (56) | 56.0 | |
| May 16, 2021, 1 a.m. | 1.8 ppb (2) | -0.7 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 49.0 ppb (46) | 0.2 ppb (3) | N/A | 15.2 μg/m3 (58) | 58.0 | |
| May 16, 2021, midnight | 4.0 ppb (4) | -0.6 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 53.0 ppb (50) | 0.39 ppb (5) | N/A | 49.1 μg/m3 (135) | 135.0 | |
| May 15, 2021, 11 p.m. | 3.8 ppb (4) | -0.6 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 57.0 ppb (58) | 0.33 ppb (4) | N/A | 40.7 μg/m3 (114) | 114.0 | |
| May 15, 2021, 10 p.m. | 1.3 ppb (2) | -0.7 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 57.0 ppb (58) | 0.17 ppb (3) | N/A | 6.6 μg/m3 (28) | 58.0 | |
| May 15, 2021, 9 p.m. | 2.0 ppb (2) | -0.6 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 56.0 ppb (55) | 0.19 ppb (3) | N/A | 7.4 μg/m3 (31) | 55.0 | |
| May 15, 2021, 8 p.m. | 2.0 ppb (2) | -0.5 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 54.0 ppb (50) | 0.2 ppb (3) | N/A | 10.7 μg/m3 (45) | 50.0 | |
| May 15, 2021, 7 p.m. | 2.9 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 47.0 ppb (44) | 0.21 ppb (3) | N/A | 10.0 μg/m3 (42) | 44.0 | |
| May 15, 2021, 6 p.m. | 2.9 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (41) | 0.19 ppb (3) | N/A | 8.4 μg/m3 (36) | 41.0 | |
| May 15, 2021, 5 p.m. | 2.5 ppb (3) | -0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (40) | 0.18 ppb (3) | N/A | 6.7 μg/m3 (28) | 40.0 | |
| May 15, 2021, 4 p.m. | 5.4 ppb (6) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | 0.19 ppb (3) | N/A | 7.7 μg/m3 (33) | 35.0 | |
| May 15, 2021, 3 p.m. | 5.4 ppb (6) | -0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 36.0 ppb (34) | 0.19 ppb (3) | N/A | 13.2 μg/m3 (54) | 54.0 | |
| May 15, 2021, 2 p.m. | 5.4 ppb (6) | -0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | 0.21 ppb (3) | N/A | 13.2 μg/m3 (54) | 54.0 | |
| May 15, 2021, 1 p.m. | 4.6 ppb (5) | -0.4 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | 0.2 ppb (3) | N/A | 11.5 μg/m3 (48) | 48.0 | |
| May 15, 2021, noon | 4.9 ppb (5) | -0.4 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 36.0 ppb (34) | 0.21 ppb (3) | N/A | 12.7 μg/m3 (53) | 53.0 | |
| May 15, 2021, 11 a.m. | 4.0 ppb (4) | -0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 38.0 ppb (36) | 0.2 ppb (3) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| May 15, 2021, 10 a.m. | 2.5 ppb (3) | -0.8 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (39) | 0.19 ppb (3) | N/A | 13.5 μg/m3 (54) | 54.0 | |
| May 15, 2021, 9 a.m. | 2.6 ppb (3) | -0.7 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (40) | 0.19 ppb (3) | N/A | 13.2 μg/m3 (54) | 54.0 | |
| May 15, 2021, 8 a.m. | 2.3 ppb (3) | -0.8 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (40) | 0.19 ppb (3) | N/A | 8.1 μg/m3 (34) | 40.0 | |
| May 15, 2021, 7 a.m. | 3.3 ppb (4) | -0.7 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 42.0 ppb (39) | 0.18 ppb (3) | N/A | 6.9 μg/m3 (29) | 39.0 | |
| May 15, 2021, 6 a.m. | 3.3 ppb (4) | -0.9 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 41.0 ppb (38) | 0.22 ppb (3) | N/A | 8.6 μg/m3 (36) | 38.0 | |
| May 15, 2021, 5 a.m. | 3.0 ppb (3) | -0.8 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 39.0 ppb (37) | 0.21 ppb (3) | N/A | 10.8 μg/m3 (46) | 46.0 | |
| May 15, 2021, 4 a.m. | 5.0 ppb (5) | -0.8 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 36.0 ppb (34) | 0.26 ppb (4) | N/A | 15.4 μg/m3 (58) | 58.0 | |
| May 15, 2021, 3 a.m. | 5.3 ppb (5) | -0.8 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 40.0 ppb (38) | 0.25 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 15, 2021, 2 a.m. | 4.5 ppb (5) | -0.7 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 42.0 ppb (39) | 0.22 ppb (3) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| May 15, 2021, 1 a.m. | 4.1 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 45.0 ppb (42) | 0.22 ppb (3) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| May 15, 2021, midnight | 3.5 ppb (4) | -0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 61.0 ppb (71) | 0.22 ppb (3) | N/A | 12.0 μg/m3 (50) | 71.0 | |
| May 14, 2021, 11 p.m. | 3.2 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 64.0 ppb (81) | 0.21 ppb (3) | N/A | 11.8 μg/m3 (50) | 81.0 | |
| May 14, 2021, 10 p.m. | 3.8 ppb (4) | -0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 67.0 ppb (91) | 0.24 ppb (3) | N/A | 12.5 μg/m3 (52) | 91.0 | |
| May 14, 2021, 9 p.m. | 3.9 ppb (4) | -0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 67.0 ppb (91) | 0.25 ppb (3) | N/A | 14.0 μg/m3 (55) | 91.0 | |
| May 14, 2021, 8 p.m. | 5.0 ppb (5) | -0.4 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 65.0 ppb (84) | 0.27 ppb (4) | N/A | 17.5 μg/m3 (63) | 84.0 | |
| May 14, 2021, 7 p.m. | 6.4 ppb (7) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 57.0 ppb (58) | 0.27 ppb (4) | N/A | 11.8 μg/m3 (50) | 58.0 | |
| May 14, 2021, 6 p.m. | 5.3 ppb (5) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 49.0 ppb (46) | 0.25 ppb (3) | N/A | 7.4 μg/m3 (31) | 46.0 | |
| May 14, 2021, 5 p.m. | 5.1 ppb (5) | 0.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 45.0 ppb (42) | 0.23 ppb (3) | N/A | 8.2 μg/m3 (35) | 42.0 | |
| May 14, 2021, 4 p.m. | 4.5 ppb (5) | -0.4 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 41.0 ppb (38) | 0.22 ppb (3) | N/A | 8.2 μg/m3 (35) | 38.0 | |
| May 14, 2021, 3 p.m. | 5.0 ppb (5) | -0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | 0.22 ppb (3) | N/A | 7.9 μg/m3 (33) | 35.0 | |
| May 14, 2021, 2 p.m. | 5.3 ppb (5) | -0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 35.0 ppb (33) | 0.23 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 14, 2021, 1 p.m. | 3.1 ppb (3) | -0.6 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (34) | 0.24 ppb (3) | N/A | 12.7 μg/m3 (53) | 53.0 | |
| May 14, 2021, noon | 2.9 ppb (3) | -0.7 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 35.0 ppb (33) | 0.23 ppb (3) | N/A | 14.7 μg/m3 (57) | 57.0 | |
| May 14, 2021, 11 a.m. | 2.9 ppb (3) | -0.9 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (34) | 0.24 ppb (3) | N/A | 15.4 μg/m3 (58) | 58.0 | |
| May 14, 2021, 10 a.m. | 3.5 ppb (4) | -0.8 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 35.0 ppb (33) | 0.24 ppb (3) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 14, 2021, 9 a.m. | 3.5 ppb (4) | -0.8 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (34) | 0.24 ppb (3) | N/A | 18.9 μg/m3 (66) | 66.0 | |
| May 14, 2021, 8 a.m. | 2.8 ppb (3) | -0.9 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (35) | 0.21 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 14, 2021, 7 a.m. | 7.5 ppb (8) | -0.7 ppb (0) | N/A | 8.0 ppb (8) | N/A | N/A | 29.0 ppb (27) | 0.29 ppb (4) | N/A | 3.1 μg/m3 (13) | 27.0 | |
| May 14, 2021, 6 a.m. | 6.0 ppb (6) | -0.7 ppb (0) | N/A | 7.0 ppb (7) | N/A | N/A | 35.0 ppb (33) | 0.25 ppb (3) | N/A | 5.7 μg/m3 (24) | 33.0 | |
| May 14, 2021, 5 a.m. | 5.1 ppb (5) | -0.9 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 41.0 ppb (38) | 0.25 ppb (3) | N/A | 10.8 μg/m3 (46) | 46.0 | |
| May 14, 2021, 4 a.m. | 5.3 ppb (5) | -0.9 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 43.0 ppb (40) | 0.24 ppb (3) | N/A | 13.3 μg/m3 (54) | 54.0 | |
| May 14, 2021, 3 a.m. | 5.0 ppb (5) | -0.8 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 47.0 ppb (44) | 0.24 ppb (3) | N/A | 14.7 μg/m3 (57) | 57.0 | |
| May 14, 2021, 2 a.m. | 4.2 ppb (4) | -0.7 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 51.0 ppb (48) | 0.23 ppb (3) | N/A | 10.5 μg/m3 (44) | 48.0 | |
| May 14, 2021, 1 a.m. | 3.3 ppb (4) | -0.7 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 54.0 ppb (50) | 0.22 ppb (3) | N/A | 8.3 μg/m3 (35) | 50.0 | |
| May 14, 2021, midnight | 3.2 ppb (4) | -0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 60.0 ppb (68) | 0.23 ppb (3) | N/A | 9.3 μg/m3 (39) | 68.0 | |
| May 13, 2021, 11 p.m. | 3.8 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 60.0 ppb (68) | 0.24 ppb (3) | N/A | 12.0 μg/m3 (50) | 68.0 | |
| May 13, 2021, 10 p.m. | 3.4 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 61.0 ppb (71) | 0.25 ppb (3) | N/A | 12.0 μg/m3 (50) | 71.0 | |
| May 13, 2021, 9 p.m. | 3.2 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 60.0 ppb (68) | 0.25 ppb (3) | N/A | 10.8 μg/m3 (46) | 68.0 | |
| May 13, 2021, 8 p.m. | 4.1 ppb (4) | -0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 59.0 ppb (65) | 0.26 ppb (4) | N/A | 11.7 μg/m3 (49) | 65.0 | |
| May 13, 2021, 7 p.m. | 5.5 ppb (6) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 55.0 ppb (51) | 0.28 ppb (4) | N/A | 12.9 μg/m3 (53) | 53.0 | |
| May 13, 2021, 6 p.m. | 6.9 ppb (7) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 46.0 ppb (43) | 0.3 ppb (4) | N/A | 13.7 μg/m3 (55) | 55.0 | |
| May 13, 2021, 5 p.m. | 6.8 ppb (7) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 42.0 ppb (39) | 0.35 ppb (4) | N/A | 25.1 μg/m3 (79) | 79.0 | |
| May 13, 2021, 4 p.m. | 5.8 ppb (6) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 36.0 ppb (34) | 0.29 ppb (4) | N/A | 24.0 μg/m3 (77) | 77.0 | |
| May 13, 2021, 3 p.m. | 5.8 ppb (6) | -0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 32.0 ppb (30) | 0.28 ppb (4) | N/A | 15.2 μg/m3 (58) | 58.0 | |
| May 13, 2021, 2 p.m. | 5.0 ppb (5) | -0.4 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (29) | 0.26 ppb (4) | N/A | 15.2 μg/m3 (58) | 58.0 | |
| May 13, 2021, 1 p.m. | 4.2 ppb (4) | -0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (29) | 0.25 ppb (3) | N/A | 18.8 μg/m3 (66) | 66.0 | |
| May 13, 2021, noon | 3.7 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (31) | 0.25 ppb (3) | N/A | 13.7 μg/m3 (55) | 55.0 | |
| May 13, 2021, 11 a.m. | 1.8 ppb (2) | -0.8 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 35.0 ppb (33) | 0.21 ppb (3) | N/A | 12.4 μg/m3 (52) | 52.0 | |
| May 13, 2021, 10 a.m. | 2.7 ppb (3) | -0.6 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (32) | 0.2 ppb (3) | N/A | 8.6 μg/m3 (36) | 36.0 | |
| May 13, 2021, 9 a.m. | 2.4 ppb (3) | -0.9 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.21 ppb (3) | N/A | 9.7 μg/m3 (41) | 41.0 | |
| May 13, 2021, 8 a.m. | 1.4 ppb (2) | -1.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (36) | 0.19 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 13, 2021, 7 a.m. | 1.0 ppb (1) | -0.9 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | 0.18 ppb (3) | N/A | 11.9 μg/m3 (50) | 50.0 | |
| May 13, 2021, 6 a.m. | 0.9 ppb (1) | -0.9 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (38) | 0.17 ppb (3) | N/A | 13.9 μg/m3 (55) | 55.0 | |
| May 13, 2021, 5 a.m. | 1.6 ppb (2) | -0.9 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (36) | 0.18 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 13, 2021, 4 a.m. | 2.6 ppb (3) | -0.9 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.19 ppb (3) | N/A | 7.1 μg/m3 (30) | 36.0 | |
| May 13, 2021, 3 a.m. | 3.5 ppb (4) | -0.6 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | 0.19 ppb (3) | N/A | 10.7 μg/m3 (45) | 45.0 | |
| May 13, 2021, 2 a.m. | 2.6 ppb (3) | -0.8 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (40) | 0.21 ppb (3) | N/A | 10.7 μg/m3 (45) | 45.0 | |
| May 13, 2021, 1 a.m. | 2.8 ppb (3) | -0.8 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 47.0 ppb (44) | 0.2 ppb (3) | N/A | 10.9 μg/m3 (46) | 46.0 | |
| May 13, 2021, midnight | 2.5 ppb (3) | -0.9 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 59.0 ppb (65) | 0.23 ppb (3) | N/A | 10.2 μg/m3 (43) | 65.0 | |
| May 12, 2021, 11 p.m. | 2.8 ppb (3) | -0.6 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 57.0 ppb (58) | 0.23 ppb (3) | N/A | 10.7 μg/m3 (45) | 58.0 | |
| May 12, 2021, 10 p.m. | 2.8 ppb (3) | -0.7 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 59.0 ppb (65) | 0.26 ppb (4) | N/A | 14.4 μg/m3 (56) | 65.0 | |
| May 12, 2021, 9 p.m. | 4.2 ppb (4) | -0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 60.0 ppb (68) | 0.26 ppb (4) | N/A | 16.6 μg/m3 (61) | 68.0 | |
| May 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.1 μg/m3 (56) | 56.0 | |
| May 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.7 μg/m3 (63) | 63.0 | |
| May 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.4 μg/m3 (69) | 69.0 | |
| May 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
| May 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.3 μg/m3 (69) | 69.0 | |
| May 12, 2021, 3 p.m. | 7.5 ppb (8) | 0.3 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 34.0 ppb (32) | 0.27 ppb (4) | N/A | 14.7 μg/m3 (57) | 57.0 | |
| May 12, 2021, 2 p.m. | 15.8 ppb (15) | 5.4 ppb (6) | N/A | 10.0 ppb (10) | N/A | N/A | 31.0 ppb (29) | 0.24 ppb (3) | N/A | 13.9 μg/m3 (55) | 55.0 | |
| May 12, 2021, 1 p.m. | 5.1 ppb (5) | -0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 34.0 ppb (32) | 0.23 ppb (3) | N/A | 13.5 μg/m3 (54) | 54.0 | |
| May 12, 2021, noon | 3.0 ppb (3) | -0.6 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 35.0 ppb (33) | 0.2 ppb (3) | N/A | 17.2 μg/m3 (62) | 62.0 | |
| May 12, 2021, 11 a.m. | 1.6 ppb (2) | -1.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (34) | 0.17 ppb (3) | N/A | 16.7 μg/m3 (61) | 61.0 | |
| May 12, 2021, 10 a.m. | 1.9 ppb (2) | -0.8 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (34) | 0.19 ppb (3) | N/A | 4.4 μg/m3 (19) | 34.0 | |
| May 12, 2021, 9 a.m. | 2.3 ppb (3) | -0.9 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.18 ppb (3) | N/A | 7.2 μg/m3 (31) | 31.0 | |
| May 12, 2021, 8 a.m. | 1.5 ppb (2) | -0.9 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 33.0 ppb (31) | 0.17 ppb (3) | N/A | 10.3 μg/m3 (43) | 43.0 | |
| May 12, 2021, 7 a.m. | 2.6 ppb (3) | -0.9 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 35.0 ppb (33) | 0.19 ppb (3) | N/A | 11.8 μg/m3 (50) | 50.0 | |
| May 12, 2021, 6 a.m. | 3.6 ppb (4) | -0.8 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 35.0 ppb (33) | 0.22 ppb (3) | N/A | 10.8 μg/m3 (46) | 46.0 | |
| May 12, 2021, 5 a.m. | 4.4 ppb (5) | -0.7 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | 0.2 ppb (3) | N/A | 10.8 μg/m3 (46) | 46.0 | |
| May 12, 2021, 4 a.m. | 4.8 ppb (5) | -0.8 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 39.0 ppb (37) | 0.21 ppb (3) | N/A | 13.5 μg/m3 (54) | 54.0 | |
| May 12, 2021, 3 a.m. | 5.4 ppb (6) | -0.8 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 39.0 ppb (37) | 0.23 ppb (3) | N/A | 13.2 μg/m3 (54) | 54.0 | |
| May 12, 2021, 2 a.m. | 4.2 ppb (4) | -0.6 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 44.0 ppb (41) | 0.23 ppb (3) | N/A | 13.2 μg/m3 (54) | 54.0 | |
| May 12, 2021, 1 a.m. | 4.6 ppb (5) | -0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 51.0 ppb (48) | 0.23 ppb (3) | N/A | 13.7 μg/m3 (55) | 55.0 | |
| May 12, 2021, midnight | 4.2 ppb (4) | -0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 55.0 ppb (51) | 0.25 ppb (3) | N/A | 12.9 μg/m3 (53) | 53.0 | |
| May 11, 2021, 11 p.m. | 4.1 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 60.0 ppb (68) | 0.24 ppb (3) | N/A | 10.8 μg/m3 (46) | 68.0 | |
| May 11, 2021, 10 p.m. | 5.1 ppb (5) | -0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 64.0 ppb (81) | 0.26 ppb (4) | N/A | 17.9 μg/m3 (64) | 81.0 | |
| May 11, 2021, 9 p.m. | 4.6 ppb (5) | -0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 72.0 ppb (102) | 0.26 ppb (4) | N/A | 20.4 μg/m3 (69) | 102.0 | |
| May 11, 2021, 8 p.m. | 4.5 ppb (5) | -0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 65.0 ppb (84) | 0.27 ppb (4) | N/A | 14.4 μg/m3 (56) | 84.0 | |
| May 11, 2021, 7 p.m. | 4.8 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 58.0 ppb (61) | 0.25 ppb (3) | N/A | 13.7 μg/m3 (55) | 61.0 | |
| May 11, 2021, 6 p.m. | 4.9 ppb (5) | 0.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 51.0 ppb (48) | 0.26 ppb (4) | N/A | 13.5 μg/m3 (54) | 54.0 | |
| May 11, 2021, 5 p.m. | 6.2 ppb (6) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 45.0 ppb (42) | 0.25 ppb (3) | N/A | 28.0 μg/m3 (85) | 85.0 | |
| May 11, 2021, 4 p.m. | 6.6 ppb (7) | 0.5 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 39.0 ppb (37) | 0.26 ppb (4) | N/A | 11.5 μg/m3 (48) | 48.0 | |
| May 11, 2021, 3 p.m. | 6.8 ppb (7) | -0.1 ppb (0) | N/A | 7.0 ppb (7) | N/A | N/A | 33.0 ppb (31) | 0.25 ppb (3) | N/A | 15.4 μg/m3 (58) | 58.0 | |
| May 11, 2021, 2 p.m. | 8.9 ppb (9) | 0.2 ppb (1) | N/A | 9.0 ppb (9) | N/A | N/A | 25.0 ppb (24) | 0.28 ppb (4) | N/A | 15.6 μg/m3 (59) | 59.0 | |
| May 11, 2021, 1 p.m. | 10.0 ppb (10) | 0.4 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 20.0 ppb (19) | 0.26 ppb (4) | N/A | 14.2 μg/m3 (56) | 56.0 | |
| May 11, 2021, noon | 10.7 ppb (11) | 0.2 ppb (1) | N/A | 11.0 ppb (11) | N/A | N/A | 18.0 ppb (17) | 0.22 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 11, 2021, 11 a.m. | 11.9 ppb (12) | -0.4 ppb (0) | N/A | 12.0 ppb (12) | N/A | N/A | 14.0 ppb (13) | 0.29 ppb (4) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| May 11, 2021, 10 a.m. | 10.5 ppb (10) | -0.3 ppb (0) | N/A | 11.0 ppb (11) | N/A | N/A | 17.0 ppb (16) | 0.28 ppb (4) | N/A | 9.9 μg/m3 (42) | 42.0 | |
| May 11, 2021, 9 a.m. | 6.0 ppb (6) | -0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 26.0 ppb (25) | 0.2 ppb (3) | N/A | 10.5 μg/m3 (44) | 44.0 | |
| May 11, 2021, 8 a.m. | 3.3 ppb (4) | -0.8 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 31.0 ppb (29) | 0.19 ppb (3) | N/A | 13.4 μg/m3 (54) | 54.0 | |
| May 11, 2021, 7 a.m. | 3.0 ppb (3) | -0.9 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (31) | 0.18 ppb (3) | N/A | 16.7 μg/m3 (61) | 61.0 | |
| May 11, 2021, 6 a.m. | 3.2 ppb (4) | -0.8 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (31) | 0.19 ppb (3) | N/A | 16.4 μg/m3 (61) | 61.0 | |
| May 11, 2021, 5 a.m. | 2.9 ppb (3) | -0.9 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (35) | 0.18 ppb (3) | N/A | 17.2 μg/m3 (62) | 62.0 | |
| May 11, 2021, 4 a.m. | 2.9 ppb (3) | -0.9 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 43.0 ppb (40) | 0.2 ppb (3) | N/A | 14.9 μg/m3 (57) | 57.0 | |
| May 11, 2021, 3 a.m. | 4.7 ppb (5) | -0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 43.0 ppb (40) | 0.2 ppb (3) | N/A | 17.4 μg/m3 (63) | 63.0 | |
| May 11, 2021, 2 a.m. | 5.6 ppb (6) | -0.6 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 47.0 ppb (44) | 0.24 ppb (3) | N/A | 19.5 μg/m3 (67) | 67.0 | |
| May 11, 2021, 1 a.m. | 4.0 ppb (4) | -0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 54.0 ppb (50) | 0.22 ppb (3) | N/A | 15.4 μg/m3 (58) | 58.0 | |
| May 11, 2021, midnight | 3.5 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 57.0 ppb (58) | 0.2 ppb (3) | N/A | 15.9 μg/m3 (59) | 59.0 | |
| May 10, 2021, 11 p.m. | 3.1 ppb (3) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 58.0 ppb (61) | 0.18 ppb (3) | N/A | 15.9 μg/m3 (59) | 61.0 | |
| May 10, 2021, 10 p.m. | 2.3 ppb (3) | -0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 56.0 ppb (55) | 0.18 ppb (3) | N/A | 14.9 μg/m3 (57) | 57.0 |