San Francisco (Potrero Hill) CA, US: 37.7658, -122.3978
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 28, 2022, noon | 2.4 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 19.0 ppb (18) | 0.17 ppb (3) | N/A | -3.0 μg/m3 (0) | 18.0 | |
| May 28, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 0.0 | |
| May 28, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 0.0 | |
| May 28, 2022, 10 a.m. | 2.0 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 20.0 ppb (19) | 0.16 ppb (3) | N/A | 0.0 μg/m3 (0) | 19.0 | |
| May 28, 2022, 9 a.m. | 1.9 ppb (2) | -0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 21.0 ppb (20) | 0.16 ppb (3) | N/A | 2.0 μg/m3 (9) | 20.0 | |
| May 28, 2022, 8 a.m. | 1.3 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 23.0 ppb (22) | 0.15 ppb (2) | N/A | 4.0 μg/m3 (17) | 22.0 | |
| May 28, 2022, 7 a.m. | 1.7 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 23.0 ppb (22) | 0.16 ppb (3) | N/A | -2.0 μg/m3 (0) | 22.0 | |
| May 28, 2022, 7 a.m. | 1.7 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 23.0 ppb (22) | 0.16 ppb (3) | N/A | -2.0 μg/m3 (0) | 22.0 | |
| May 28, 2022, 7 a.m. | 1.7 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 23.0 ppb (22) | 0.16 ppb (3) | N/A | -2.0 μg/m3 (0) | 22.0 | |
| May 28, 2022, 7 a.m. | 1.7 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 23.0 ppb (22) | 0.16 ppb (3) | N/A | -2.0 μg/m3 (0) | 22.0 | |
| May 28, 2022, 6 a.m. | 2.4 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 23.0 ppb (22) | 0.16 ppb (3) | N/A | -1.0 μg/m3 (0) | 22.0 | |
| May 28, 2022, 6 a.m. | 2.4 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 23.0 ppb (22) | 0.16 ppb (3) | N/A | -1.0 μg/m3 (0) | 22.0 | |
| May 28, 2022, 5 a.m. | 2.6 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 22.0 ppb (21) | 0.16 ppb (3) | N/A | 1.0 μg/m3 (5) | 21.0 | |
| May 28, 2022, 5 a.m. | 2.6 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 22.0 ppb (21) | 0.16 ppb (3) | N/A | 1.0 μg/m3 (5) | 21.0 | |
| May 28, 2022, 3 a.m. | 2.8 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 26.0 ppb (25) | 0.16 ppb (3) | N/A | 2.0 μg/m3 (9) | 25.0 | |
| May 27, 2022, 7 p.m. | 3.0 ppb (3) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (32) | 0.18 ppb (3) | N/A | 6.0 μg/m3 (25) | 32.0 | |
| May 27, 2022, 7 p.m. | 3.0 ppb (3) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (32) | 0.18 ppb (3) | N/A | 6.0 μg/m3 (25) | 32.0 | |
| May 27, 2022, 6 p.m. | 2.8 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (32) | 0.2 ppb (3) | N/A | 6.0 μg/m3 (25) | 32.0 | |
| May 27, 2022, 5 p.m. | 3.5 ppb (4) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (32) | 0.22 ppb (3) | N/A | 4.0 μg/m3 (17) | 32.0 | |
| May 27, 2022, 5 p.m. | 3.5 ppb (4) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (32) | 0.22 ppb (3) | N/A | 4.0 μg/m3 (17) | 32.0 | |
| May 27, 2022, 4 p.m. | 4.3 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 35.0 ppb (33) | 0.23 ppb (3) | N/A | 3.0 μg/m3 (13) | 33.0 | |
| May 27, 2022, 3 p.m. | 3.5 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (34) | 0.24 ppb (3) | N/A | 5.0 μg/m3 (21) | 34.0 | |
| May 27, 2022, 3 p.m. | 3.5 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (34) | 0.24 ppb (3) | N/A | 5.0 μg/m3 (21) | 34.0 | |
| May 27, 2022, 2 p.m. | 3.6 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (34) | 0.21 ppb (3) | N/A | 7.0 μg/m3 (30) | 34.0 | |
| May 27, 2022, 10 a.m. | 0.9 ppb (1) | -0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 38.0 ppb (36) | 0.18 ppb (3) | N/A | 5.0 μg/m3 (21) | 36.0 | |
| May 27, 2022, 6 a.m. | 1.7 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (36) | 0.2 ppb (3) | N/A | 1.0 μg/m3 (5) | 36.0 | |
| May 27, 2022, 5 a.m. | 1.8 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (35) | 0.2 ppb (3) | N/A | 4.0 μg/m3 (17) | 35.0 | |
| May 27, 2022, 4 a.m. | 2.0 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (36) | 0.19 ppb (3) | N/A | 6.0 μg/m3 (25) | 36.0 | |
| May 27, 2022, 3 a.m. | 2.2 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.19 ppb (3) | N/A | 4.0 μg/m3 (17) | 36.0 | |
| May 27, 2022, 2 a.m. | 2.2 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.19 ppb (3) | N/A | 5.0 μg/m3 (21) | 36.0 | |
| May 27, 2022, 1 a.m. | 2.4 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.19 ppb (3) | N/A | 3.0 μg/m3 (13) | 36.0 | |
| May 27, 2022, midnight | 2.5 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.21 ppb (3) | N/A | 3.0 μg/m3 (13) | 36.0 | |
| May 26, 2022, 11 p.m. | 2.9 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.21 ppb (3) | N/A | 2.0 μg/m3 (9) | 36.0 | |
| May 26, 2022, 10 p.m. | 2.7 ppb (3) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.21 ppb (3) | N/A | 2.0 μg/m3 (9) | 36.0 | |
| May 26, 2022, 9 p.m. | 2.8 ppb (3) | 0.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (37) | 0.23 ppb (3) | N/A | 2.0 μg/m3 (9) | 37.0 | |
| May 26, 2022, 8 p.m. | 3.6 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (37) | 0.21 ppb (3) | N/A | 0.0 μg/m3 (0) | 37.0 | |
| May 26, 2022, 8 p.m. | 3.6 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (37) | 0.21 ppb (3) | N/A | 0.0 μg/m3 (0) | 37.0 | |
| May 26, 2022, 7 p.m. | 3.4 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (38) | 0.22 ppb (3) | N/A | 1.0 μg/m3 (5) | 38.0 | |
| May 26, 2022, 7 p.m. | 3.4 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (38) | 0.22 ppb (3) | N/A | 1.0 μg/m3 (5) | 38.0 | |
| May 26, 2022, 6 p.m. | 5.1 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 41.0 ppb (38) | 0.24 ppb (3) | N/A | 2.0 μg/m3 (9) | 38.0 | |
| May 26, 2022, 6 p.m. | 5.1 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 41.0 ppb (38) | 0.24 ppb (3) | N/A | 2.0 μg/m3 (9) | 38.0 | |
| May 26, 2022, 5 p.m. | 4.6 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | 0.23 ppb (3) | N/A | -1.0 μg/m3 (0) | 38.0 | |
| May 26, 2022, 5 p.m. | 4.6 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | 0.23 ppb (3) | N/A | -1.0 μg/m3 (0) | 38.0 | |
| May 26, 2022, 4 p.m. | 4.9 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 39.0 ppb (37) | 0.22 ppb (3) | N/A | -2.0 μg/m3 (0) | 37.0 | |
| May 26, 2022, 3 p.m. | 5.8 ppb (6) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 36.0 ppb (34) | 0.23 ppb (3) | N/A | -1.0 μg/m3 (0) | 34.0 | |
| May 26, 2022, 2 p.m. | 6.4 ppb (7) | 0.5 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 35.0 ppb (33) | 0.28 ppb (4) | N/A | 1.0 μg/m3 (5) | 33.0 | |
| May 26, 2022, 5 a.m. | 1.6 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (34) | 0.2 ppb (3) | N/A | -2.0 μg/m3 (0) | 34.0 | |
| May 26, 2022, 5 a.m. | 1.6 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (34) | 0.2 ppb (3) | N/A | -2.0 μg/m3 (0) | 34.0 | |
| May 26, 2022, 5 a.m. | 1.6 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (34) | 0.2 ppb (3) | N/A | -2.0 μg/m3 (0) | 34.0 | |
| May 26, 2022, 4 a.m. | 2.7 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (34) | 0.21 ppb (3) | N/A | 1.0 μg/m3 (5) | 34.0 | |
| May 26, 2022, 1 a.m. | 5.0 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (30) | 0.24 ppb (3) | N/A | 3.0 μg/m3 (13) | 30.0 | |
| May 26, 2022, midnight | 4.4 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 30.0 ppb (28) | 0.23 ppb (3) | N/A | 3.0 μg/m3 (13) | 28.0 | |
| May 25, 2022, 11 p.m. | 4.5 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 30.0 ppb (28) | 0.23 ppb (3) | N/A | 4.0 μg/m3 (17) | 28.0 | |
| May 25, 2022, 10 p.m. | 4.7 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (27) | 0.24 ppb (3) | N/A | 4.0 μg/m3 (17) | 27.0 | |
| May 25, 2022, 10 p.m. | 4.7 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (27) | 0.24 ppb (3) | N/A | 4.0 μg/m3 (17) | 27.0 | |
| May 25, 2022, 9 p.m. | 5.8 ppb (6) | 1.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (28) | 0.24 ppb (3) | N/A | 4.0 μg/m3 (17) | 28.0 | |
| May 25, 2022, 8 p.m. | 6.3 ppb (6) | 1.4 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (27) | 0.25 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 25, 2022, 8 p.m. | 6.3 ppb (6) | 1.4 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (27) | 0.25 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 25, 2022, 7 p.m. | 7.4 ppb (7) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 27.0 ppb (25) | 0.26 ppb (4) | N/A | 13.0 μg/m3 (53) | 53.0 | |
| May 25, 2022, 7 p.m. | 7.4 ppb (7) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 27.0 ppb (25) | 0.26 ppb (4) | N/A | 13.0 μg/m3 (53) | 53.0 | |
| May 25, 2022, 6 p.m. | 8.2 ppb (8) | 2.1 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 27.0 ppb (25) | 0.27 ppb (4) | N/A | 19.0 μg/m3 (66) | 66.0 | |
| May 25, 2022, 6 p.m. | 8.2 ppb (8) | 2.1 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 27.0 ppb (25) | 0.27 ppb (4) | N/A | 19.0 μg/m3 (66) | 66.0 | |
| May 25, 2022, 5 p.m. | 8.6 ppb (9) | 2.1 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 28.0 ppb (26) | 0.27 ppb (4) | N/A | 21.0 μg/m3 (70) | 70.0 | |
| May 25, 2022, 5 p.m. | 8.6 ppb (9) | 2.1 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 28.0 ppb (26) | 0.27 ppb (4) | N/A | 21.0 μg/m3 (70) | 70.0 | |
| May 25, 2022, 4 p.m. | 15.2 ppb (15) | 4.5 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 24.0 ppb (23) | 0.32 ppb (4) | N/A | 21.0 μg/m3 (70) | 70.0 | |
| May 25, 2022, 3 p.m. | 37.9 ppb (36) | 15.5 ppb (15) | N/A | 22.0 ppb (21) | N/A | N/A | 13.0 ppb (13) | 0.56 ppb (7) | N/A | 23.0 μg/m3 (74) | 74.0 | |
| May 25, 2022, noon | 31.5 ppb (30) | 4.6 ppb (5) | N/A | 27.0 ppb (26) | N/A | N/A | 3.0 ppb (3) | 0.53 ppb (6) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 25, 2022, 9 a.m. | 21.8 ppb (21) | -0.3 ppb (0) | N/A | 22.0 ppb (21) | N/A | N/A | 11.0 ppb (11) | 0.34 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 25, 2022, 5 a.m. | 11.9 ppb (12) | -0.4 ppb (0) | N/A | 12.0 ppb (12) | N/A | N/A | 26.0 ppb (25) | 0.32 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 25, 2022, 4 a.m. | 11.3 ppb (11) | -0.4 ppb (0) | N/A | 12.0 ppb (12) | N/A | N/A | 27.0 ppb (25) | 0.32 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 25, 2022, 1 a.m. | 6.9 ppb (7) | 0.5 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 32.0 ppb (30) | 0.28 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 25, 2022, midnight | 6.0 ppb (6) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 33.0 ppb (31) | 0.28 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 25, 2022, midnight | 6.0 ppb (6) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 33.0 ppb (31) | 0.28 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 24, 2022, 9 p.m. | 6.5 ppb (7) | 1.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (27) | 0.27 ppb (4) | N/A | 7.0 μg/m3 (30) | 30.0 | |
| May 24, 2022, 8 p.m. | 9.0 ppb (9) | 1.5 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | 34.0 ppb (32) | 0.3 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 24, 2022, 7 p.m. | 20.9 ppb (20) | 6.1 ppb (6) | N/A | 15.0 ppb (15) | N/A | N/A | 26.0 ppb (25) | 0.37 ppb (5) | N/A | 20.0 μg/m3 (68) | 68.0 | |
| May 24, 2022, 6 p.m. | 15.6 ppb (15) | 4.4 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 26.0 ppb (25) | 0.3 ppb (4) | N/A | 13.0 μg/m3 (53) | 53.0 | |
| May 24, 2022, 5 p.m. | 16.2 ppb (16) | 5.3 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 24.0 ppb (23) | 0.27 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 24, 2022, 4 p.m. | 16.9 ppb (16) | 5.9 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | 21.0 ppb (20) | 0.27 ppb (4) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 24, 2022, 3 p.m. | 22.4 ppb (22) | 7.8 ppb (8) | N/A | 15.0 ppb (15) | N/A | N/A | 17.0 ppb (16) | 0.32 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 24, 2022, 2 p.m. | 36.1 ppb (35) | 15.4 ppb (15) | N/A | 21.0 ppb (20) | N/A | N/A | 8.0 ppb (8) | 0.51 ppb (6) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| May 24, 2022, 1 p.m. | 22.4 ppb (22) | 4.6 ppb (5) | N/A | 18.0 ppb (17) | N/A | N/A | 10.0 ppb (10) | 0.37 ppb (5) | N/A | 13.0 μg/m3 (53) | 53.0 | |
| May 24, 2022, noon | 16.5 ppb (16) | 0.5 ppb (1) | N/A | 16.0 ppb (16) | N/A | N/A | 10.0 ppb (10) | 0.3 ppb (4) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 24, 2022, 10 a.m. | 17.2 ppb (17) | -0.1 ppb (0) | N/A | 17.0 ppb (17) | N/A | N/A | 12.0 ppb (12) | 0.25 ppb (3) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 24, 2022, 9 a.m. | 10.6 ppb (10) | -0.3 ppb (0) | N/A | 11.0 ppb (11) | N/A | N/A | 19.0 ppb (18) | 0.21 ppb (3) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 24, 2022, 8 a.m. | 4.3 ppb (5) | -0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 25.0 ppb (24) | 0.17 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 24, 2022, 6 a.m. | 1.8 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 30.0 ppb (28) | 0.16 ppb (3) | N/A | 18.0 μg/m3 (64) | 64.0 | |
| May 24, 2022, 5 a.m. | 2.3 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 29.0 ppb (27) | 0.17 ppb (3) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| May 24, 2022, 5 a.m. | 2.3 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 29.0 ppb (27) | 0.17 ppb (3) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| May 24, 2022, 4 a.m. | 2.5 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | 0.17 ppb (3) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 24, 2022, 4 a.m. | 2.5 ppb (3) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | 0.17 ppb (3) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 24, 2022, 3 a.m. | 3.4 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (27) | 0.2 ppb (3) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| May 24, 2022, 3 a.m. | 3.4 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (27) | 0.2 ppb (3) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| May 24, 2022, 2 a.m. | 2.3 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.19 ppb (3) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 24, 2022, 2 a.m. | 2.3 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.19 ppb (3) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 24, 2022, 1 a.m. | 2.5 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (30) | 0.2 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 24, 2022, 1 a.m. | 2.5 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (30) | 0.2 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 24, 2022, midnight | 2.5 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | 0.21 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 24, 2022, midnight | 2.5 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | 0.21 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 23, 2022, 11 p.m. | 3.5 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | 0.22 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 23, 2022, 11 p.m. | 3.5 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | 0.22 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 23, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 23, 2022, 7 p.m. | 26.4 ppb (25) | 9.1 ppb (9) | N/A | 17.0 ppb (17) | N/A | N/A | 19.0 ppb (18) | 0.48 ppb (6) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 23, 2022, 6 p.m. | 26.4 ppb (25) | 9.1 ppb (9) | N/A | 17.0 ppb (17) | N/A | N/A | 19.0 ppb (18) | 0.48 ppb (6) | N/A | 18.0 μg/m3 (64) | 64.0 | |
| May 23, 2022, 3 p.m. | 26.4 ppb (25) | 9.1 ppb (9) | N/A | 17.0 ppb (17) | N/A | N/A | 19.0 ppb (18) | 0.48 ppb (6) | N/A | 20.0 μg/m3 (68) | 68.0 | |
| May 23, 2022, 2 p.m. | 19.0 ppb (18) | 4.1 ppb (4) | N/A | 15.0 ppb (15) | N/A | N/A | 21.0 ppb (20) | 0.41 ppb (5) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 23, 2022, 11 a.m. | 5.9 ppb (6) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (28) | 0.26 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 23, 2022, 10 a.m. | 2.5 ppb (3) | -0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | 0.24 ppb (3) | N/A | 18.0 μg/m3 (64) | 64.0 | |
| May 23, 2022, 10 a.m. | 2.5 ppb (3) | -0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | 0.24 ppb (3) | N/A | 18.0 μg/m3 (64) | 64.0 | |
| May 23, 2022, 9 a.m. | 2.5 ppb (3) | -0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | 0.24 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 23, 2022, 3 a.m. | 5.1 ppb (5) | -0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (27) | 0.32 ppb (4) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 23, 2022, 2 a.m. | 5.6 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 28.0 ppb (26) | 0.28 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 23, 2022, 1 a.m. | 2.3 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (29) | 0.28 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 23, 2022, midnight | 2.1 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (29) | 0.28 ppb (4) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 22, 2022, 11 p.m. | 1.9 ppb (2) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (29) | 0.28 ppb (4) | N/A | 13.0 μg/m3 (53) | 53.0 | |
| May 22, 2022, 9 p.m. | 3.2 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.31 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 22, 2022, 8 p.m. | 2.5 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (29) | 0.29 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 22, 2022, 7 p.m. | 3.4 ppb (4) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | 0.28 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 22, 2022, 6 p.m. | 2.6 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (29) | 0.28 ppb (4) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 22, 2022, 5 p.m. | 3.3 ppb (4) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.28 ppb (4) | N/A | 20.0 μg/m3 (68) | 68.0 | |
| May 22, 2022, 4 p.m. | 2.6 ppb (3) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (29) | 0.27 ppb (4) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| May 22, 2022, 3 p.m. | 3.4 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | 0.27 ppb (4) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 22, 2022, 2 p.m. | 2.6 ppb (3) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | 0.28 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 22, 2022, 1 p.m. | 2.5 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.28 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 22, 2022, 1 p.m. | 2.5 ppb (3) | -0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.28 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 22, 2022, noon | 1.4 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (30) | 0.27 ppb (4) | N/A | 13.0 μg/m3 (53) | 53.0 | |
| May 22, 2022, 11 a.m. | 2.4 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (30) | 0.25 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 22, 2022, 10 a.m. | 2.4 ppb (3) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 ppb (30) | 0.25 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 22, 2022, 9 a.m. | 2.1 ppb (2) | -0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | 0.26 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 22, 2022, 8 a.m. | 1.4 ppb (2) | -0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (29) | 0.26 ppb (4) | N/A | 17.0 μg/m3 (62) | 62.0 | |
| May 22, 2022, 7 a.m. | 1.4 ppb (2) | -0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 31.0 ppb (29) | 0.26 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 22, 2022, 5 a.m. | 3.4 ppb (4) | -0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 31.0 ppb (29) | 0.28 ppb (4) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| May 22, 2022, 3 a.m. | 3.6 ppb (4) | -0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (30) | 0.3 ppb (4) | N/A | 19.0 μg/m3 (66) | 66.0 | |
| May 22, 2022, 2 a.m. | 3.0 ppb (3) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | 0.3 ppb (4) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 22, 2022, 1 a.m. | 3.4 ppb (4) | 0.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | 0.3 ppb (4) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 22, 2022, midnight | 4.1 ppb (4) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (30) | 0.3 ppb (4) | N/A | 17.0 μg/m3 (62) | 62.0 | |
| May 21, 2022, 11 p.m. | 3.5 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (30) | 0.3 ppb (4) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| May 21, 2022, 10 p.m. | 3.4 ppb (4) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (30) | 0.3 ppb (4) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 21, 2022, 9 p.m. | 3.2 ppb (4) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (30) | 0.3 ppb (4) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| May 21, 2022, 8 p.m. | 3.3 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (30) | 0.3 ppb (4) | N/A | 15.0 μg/m3 (58) | 58.0 | |
| May 21, 2022, 7 p.m. | 4.5 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (31) | 0.32 ppb (4) | N/A | 18.0 μg/m3 (64) | 64.0 | |
| May 21, 2022, 6 p.m. | 4.7 ppb (5) | 1.4 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (31) | 0.3 ppb (4) | N/A | 18.0 μg/m3 (64) | 64.0 | |
| May 21, 2022, 5 p.m. | 4.4 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 31.0 ppb (29) | 0.3 ppb (4) | N/A | 22.0 μg/m3 (72) | 72.0 | |
| May 21, 2022, 4 p.m. | 6.0 ppb (6) | 1.4 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (26) | 0.3 ppb (4) | N/A | 23.0 μg/m3 (74) | 74.0 | |
| May 21, 2022, 3 p.m. | 5.6 ppb (6) | 1.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 27.0 ppb (25) | 0.28 ppb (4) | N/A | 20.0 μg/m3 (68) | 68.0 | |
| May 21, 2022, 2 p.m. | 12.7 ppb (12) | 2.6 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | 20.0 ppb (19) | 0.37 ppb (5) | N/A | 19.0 μg/m3 (66) | 66.0 | |
| May 21, 2022, 1 p.m. | 22.8 ppb (22) | 3.4 ppb (4) | N/A | 19.0 ppb (18) | N/A | N/A | 9.0 ppb (9) | 0.47 ppb (6) | N/A | 26.0 μg/m3 (81) | 81.0 | |
| May 21, 2022, 1 p.m. | 22.8 ppb (22) | 3.4 ppb (4) | N/A | 19.0 ppb (18) | N/A | N/A | 9.0 ppb (9) | 0.47 ppb (6) | N/A | 26.0 μg/m3 (81) | 81.0 | |
| May 21, 2022, noon | 15.6 ppb (15) | 0.3 ppb (1) | N/A | 15.0 ppb (15) | N/A | N/A | 13.0 ppb (13) | 0.42 ppb (5) | N/A | 17.0 μg/m3 (62) | 62.0 | |
| May 21, 2022, 10 a.m. | 14.7 ppb (14) | -0.4 ppb (0) | N/A | 15.0 ppb (15) | N/A | N/A | 15.0 ppb (14) | 0.4 ppb (5) | N/A | 23.0 μg/m3 (74) | 74.0 | |
| May 21, 2022, 9 a.m. | 10.1 ppb (10) | -0.4 ppb (0) | N/A | 11.0 ppb (11) | N/A | N/A | 21.0 ppb (20) | 0.34 ppb (4) | N/A | 17.0 μg/m3 (62) | 62.0 | |
| May 21, 2022, 8 a.m. | 4.8 ppb (5) | -0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (26) | 0.27 ppb (4) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 21, 2022, 4 a.m. | 8.5 ppb (9) | -0.1 ppb (0) | N/A | 9.0 ppb (9) | N/A | N/A | 29.0 ppb (27) | 0.36 ppb (5) | N/A | 16.0 μg/m3 (60) | 60.0 | |
| May 21, 2022, 3 a.m. | 7.5 ppb (8) | -0.3 ppb (0) | N/A | 8.0 ppb (8) | N/A | N/A | 31.0 ppb (29) | 0.34 ppb (4) | N/A | 19.0 μg/m3 (66) | 66.0 | |
| May 21, 2022, 2 a.m. | 5.0 ppb (5) | -0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 35.0 ppb (33) | 0.3 ppb (4) | N/A | 19.0 μg/m3 (66) | 66.0 | |
| May 21, 2022, 1 a.m. | 4.4 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 34.0 ppb (32) | 0.3 ppb (4) | N/A | 13.0 μg/m3 (53) | 53.0 | |
| May 21, 2022, midnight | 4.2 ppb (4) | 0.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 35.0 ppb (33) | 0.3 ppb (4) | N/A | 8.0 μg/m3 (34) | 34.0 | |
| May 20, 2022, 11 p.m. | 4.8 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (35) | 0.29 ppb (4) | N/A | 8.0 μg/m3 (34) | 35.0 | |
| May 20, 2022, 10 p.m. | 3.9 ppb (4) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 38.0 ppb (36) | 0.29 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 20, 2022, 9 p.m. | 3.7 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (36) | 0.28 ppb (4) | N/A | 5.0 μg/m3 (21) | 36.0 | |
| May 20, 2022, 7 p.m. | 5.4 ppb (6) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (35) | 0.29 ppb (4) | N/A | 4.0 μg/m3 (17) | 35.0 | |
| May 20, 2022, 6 p.m. | 4.0 ppb (4) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 38.0 ppb (36) | 0.27 ppb (4) | N/A | 6.0 μg/m3 (25) | 36.0 | |
| May 20, 2022, 5 p.m. | 4.7 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | 0.23 ppb (3) | N/A | 4.0 μg/m3 (17) | 38.0 | |
| May 20, 2022, 4 p.m. | 5.1 ppb (5) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 39.0 ppb (37) | 0.23 ppb (3) | N/A | 4.0 μg/m3 (17) | 37.0 | |
| May 20, 2022, 3 p.m. | 8.4 ppb (8) | 1.7 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 36.0 ppb (34) | 0.27 ppb (4) | N/A | 4.0 μg/m3 (17) | 34.0 | |
| May 20, 2022, 2 p.m. | 19.2 ppb (19) | 4.2 ppb (4) | N/A | 15.0 ppb (15) | N/A | N/A | 23.0 ppb (22) | 0.35 ppb (4) | N/A | 7.0 μg/m3 (30) | 30.0 | |
| May 20, 2022, 1 p.m. | 9.7 ppb (10) | 0.5 ppb (1) | N/A | 9.0 ppb (9) | N/A | N/A | 28.0 ppb (26) | 0.29 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 20, 2022, 11 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 |