Phoenix (Central City) AZ, US: 33.4579, -112.046
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 10, 2021, 5 p.m. | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 1.0 ppb (2) | 42.0 ppb (39) | 0.1 ppb (2) | 31.9 μg/m3 (30) | N/A | 39.0 | |
| April 10, 2021, 4 p.m. | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.1 ppb (2) | 39.8 μg/m3 (37) | N/A | 37.0 | |
| April 10, 2021, 3 p.m. | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.1 ppb (2) | 44.2 μg/m3 (41) | N/A | 41.0 | |
| April 10, 2021, 2 p.m. | N/A | N/A | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.2 ppb (3) | 50.7 μg/m3 (47) | N/A | 47.0 | |
| April 10, 2021, 1 p.m. | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.3 ppb (4) | 42.8 μg/m3 (40) | N/A | 40.0 | |
| April 10, 2021, noon | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | 0.3 ppb (4) | 35.7 μg/m3 (34) | N/A | 34.0 | |
| April 10, 2021, 11 a.m. | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | 0.3 ppb (4) | 31.2 μg/m3 (29) | N/A | 29.0 | |
| April 10, 2021, 10 a.m. | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.3 ppb (4) | 30.9 μg/m3 (29) | N/A | 29.0 | |
| April 10, 2021, 9 a.m. | N/A | N/A | N/A | 31.0 ppb (30) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.4 ppb (5) | 34.0 μg/m3 (32) | N/A | 32.0 | |
| April 10, 2021, 8 a.m. | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.7 ppb (8) | 50.7 μg/m3 (47) | N/A | 47.0 | |
| April 10, 2021, 7 a.m. | N/A | N/A | N/A | 32.0 ppb (31) | N/A | 2.0 ppb (3) | 6.0 ppb (6) | 0.3 ppb (4) | 68.4 μg/m3 (58) | N/A | 58.0 | |
| April 10, 2021, 6 a.m. | N/A | N/A | N/A | 29.0 ppb (28) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.4 ppb (5) | 36.6 μg/m3 (34) | N/A | 34.0 | |
| April 10, 2021, 5 a.m. | N/A | N/A | N/A | 31.0 ppb (30) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | 0.3 ppb (4) | 48.4 μg/m3 (45) | N/A | 45.0 | |
| April 10, 2021, 4 a.m. | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.2 ppb (3) | 37.3 μg/m3 (35) | N/A | 35.0 | |
| April 10, 2021, 3 a.m. | N/A | N/A | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.0 ppb (0) | 27.4 μg/m3 (26) | N/A | 37.0 | |
| April 10, 2021, 2 a.m. | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 45.0 ppb (42) | 0.1 ppb (2) | 31.3 μg/m3 (29) | N/A | 42.0 | |
| April 10, 2021, 1 a.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 54.0 ppb (50) | 0.0 ppb (0) | 23.9 μg/m3 (23) | N/A | 50.0 | |
| April 10, 2021, midnight | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 56.0 ppb (55) | 0.0 ppb (0) | 22.4 μg/m3 (21) | N/A | 55.0 | |
| April 9, 2021, 11 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 61.0 ppb (71) | 0.0 ppb (0) | 29.5 μg/m3 (28) | N/A | 71.0 | |
| April 9, 2021, 10 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 62.0 ppb (74) | 0.0 ppb (0) | 24.7 μg/m3 (23) | N/A | 74.0 | |
| April 9, 2021, 9 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 62.0 ppb (74) | 0.0 ppb (0) | 23.1 μg/m3 (22) | N/A | 74.0 | |
| April 9, 2021, 8 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 59.0 ppb (65) | 0.0 ppb (0) | 17.4 μg/m3 (17) | N/A | 65.0 | |
| April 9, 2021, 7 p.m. | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | 0.1 ppb (2) | 19.8 μg/m3 (19) | N/A | 47.0 | |
| April 9, 2021, 6 p.m. | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 1.0 ppb (2) | 43.0 ppb (40) | 0.1 ppb (2) | 24.0 μg/m3 (23) | N/A | 40.0 | |
| April 9, 2021, 5 p.m. | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.1 ppb (2) | 32.3 μg/m3 (30) | N/A | 38.0 | |
| April 9, 2021, 4 p.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 2.0 ppb (3) | 28.0 ppb (26) | 0.2 ppb (3) | 42.4 μg/m3 (40) | N/A | 40.0 | |
| April 9, 2021, 3 p.m. | N/A | N/A | N/A | 27.0 ppb (26) | N/A | 3.0 ppb (5) | 19.0 ppb (18) | 0.4 ppb (5) | 72.4 μg/m3 (60) | N/A | 60.0 | |
| April 9, 2021, 2 p.m. | N/A | N/A | N/A | 31.0 ppb (30) | N/A | 2.0 ppb (3) | 4.0 ppb (4) | 0.7 ppb (8) | 79.1 μg/m3 (63) | N/A | 63.0 | |
| April 9, 2021, 1 p.m. | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.5 ppb (6) | 54.3 μg/m3 (51) | N/A | 51.0 | |
| April 9, 2021, noon | N/A | N/A | N/A | 27.0 ppb (26) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.4 ppb (5) | 44.3 μg/m3 (42) | N/A | 42.0 | |
| April 9, 2021, 11 a.m. | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.2 ppb (3) | 39.8 μg/m3 (37) | N/A | 37.0 | |
| April 9, 2021, 10 a.m. | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | 0.2 ppb (3) | 49.4 μg/m3 (46) | N/A | 46.0 | |
| April 9, 2021, 9 a.m. | N/A | N/A | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.1 ppb (2) | 32.3 μg/m3 (30) | N/A | 30.0 | |
| April 9, 2021, 8 a.m. | N/A | N/A | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.0 ppb (0) | 31.5 μg/m3 (30) | N/A | 30.0 | |
| April 9, 2021, 7 a.m. | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.1 ppb (2) | 32.9 μg/m3 (31) | N/A | 31.0 | |
| April 9, 2021, 6 a.m. | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.2 ppb (3) | 39.0 μg/m3 (37) | N/A | 37.0 | |
| April 9, 2021, 5 a.m. | N/A | N/A | N/A | 27.0 ppb (26) | N/A | 1.0 ppb (2) | 16.0 ppb (15) | 0.1 ppb (2) | 51.4 μg/m3 (48) | N/A | 48.0 | |
| April 9, 2021, 4 a.m. | N/A | N/A | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.1 ppb (2) | 24.3 μg/m3 (23) | N/A | 32.0 | |
| April 9, 2021, 3 a.m. | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.1 ppb (2) | 26.9 μg/m3 (25) | N/A | 37.0 | |
| April 9, 2021, 2 a.m. | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.1 ppb (2) | 27.0 μg/m3 (25) | N/A | 38.0 | |
| April 9, 2021, 1 a.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.1 ppb (2) | 28.2 μg/m3 (27) | N/A | 41.0 | |
| April 9, 2021, midnight | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.0 ppb (0) | 32.4 μg/m3 (30) | N/A | 49.0 | |
| April 8, 2021, 11 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 54.0 ppb (50) | 0.0 ppb (0) | 43.6 μg/m3 (41) | N/A | 50.0 | |
| April 8, 2021, 10 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 54.0 ppb (50) | 0.0 ppb (0) | 49.1 μg/m3 (46) | N/A | 50.0 | |
| April 8, 2021, 9 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | 0.0 ppb (0) | 45.6 μg/m3 (43) | N/A | 51.0 | |
| April 8, 2021, 8 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 59.0 ppb (65) | 0.0 ppb (0) | 33.7 μg/m3 (32) | N/A | 65.0 | |
| April 8, 2021, 7 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 58.0 ppb (61) | 0.0 ppb (0) | 41.6 μg/m3 (39) | N/A | 61.0 | |
| April 8, 2021, 6 p.m. | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.1 ppb (2) | 46.5 μg/m3 (44) | N/A | 48.0 | |
| April 8, 2021, 5 p.m. | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.1 ppb (2) | 45.6 μg/m3 (43) | N/A | 43.0 | |
| April 8, 2021, 4 p.m. | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.1 ppb (2) | 47.9 μg/m3 (45) | N/A | 45.0 | |
| April 8, 2021, 3 p.m. | N/A | N/A | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.2 ppb (3) | 54.0 μg/m3 (50) | N/A | 50.0 | |
| April 8, 2021, 2 p.m. | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.3 ppb (4) | 51.7 μg/m3 (48) | N/A | 48.0 | |
| April 8, 2021, 1 p.m. | N/A | N/A | N/A | 30.0 ppb (29) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.4 ppb (5) | 50.2 μg/m3 (47) | N/A | 47.0 | |
| April 8, 2021, noon | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.2 ppb (3) | 31.1 μg/m3 (29) | N/A | 29.0 | |
| April 8, 2021, 11 a.m. | N/A | N/A | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 17.0 ppb (16) | 0.2 ppb (3) | 30.5 μg/m3 (29) | N/A | 29.0 | |
| April 8, 2021, 10 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.2 ppb (3) | 33.0 μg/m3 (31) | N/A | 31.0 | |
| April 8, 2021, 9 a.m. | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | 0.3 ppb (4) | 33.9 μg/m3 (32) | N/A | 32.0 | |
| April 8, 2021, 8 a.m. | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.5 ppb (6) | 49.4 μg/m3 (46) | N/A | 46.0 | |
| April 8, 2021, 7 a.m. | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.5 ppb (6) | 38.2 μg/m3 (36) | N/A | 36.0 | |
| April 8, 2021, 6 a.m. | N/A | N/A | N/A | 45.0 ppb (43) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.8 ppb (10) | 49.1 μg/m3 (46) | N/A | 46.0 | |
| April 8, 2021, 5 a.m. | N/A | N/A | N/A | 42.0 ppb (40) | N/A | 1.0 ppb (2) | 9.0 ppb (9) | 0.5 ppb (6) | 37.8 μg/m3 (35) | N/A | 40.0 | |
| April 8, 2021, 4 a.m. | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 3.0 ppb (5) | 12.0 ppb (12) | 0.3 ppb (4) | 43.5 μg/m3 (41) | N/A | 41.0 | |
| April 8, 2021, 3 a.m. | N/A | N/A | N/A | 28.0 ppb (27) | N/A | 4.0 ppb (6) | 26.0 ppb (25) | 0.2 ppb (3) | 52.5 μg/m3 (49) | N/A | 49.0 | |
| April 8, 2021, 2 a.m. | N/A | N/A | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.1 ppb (2) | 38.4 μg/m3 (36) | N/A | 40.0 | |
| April 8, 2021, 1 a.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | 0.0 ppb (0) | 19.4 μg/m3 (18) | N/A | 51.0 | |
| April 8, 2021, midnight | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 60.0 ppb (68) | 0.0 ppb (0) | 20.7 μg/m3 (20) | N/A | 68.0 | |
| April 7, 2021, 11 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 61.0 ppb (71) | 0.0 ppb (0) | 23.6 μg/m3 (22) | N/A | 71.0 | |
| April 7, 2021, 10 p.m. | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 61.0 ppb (71) | 0.1 ppb (2) | 25.3 μg/m3 (24) | N/A | 71.0 | |
| April 7, 2021, 9 p.m. | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 63.0 ppb (78) | 0.1 ppb (2) | 29.2 μg/m3 (28) | N/A | 78.0 | |
| April 7, 2021, 8 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 63.0 ppb (78) | 0.1 ppb (2) | 27.7 μg/m3 (26) | N/A | 78.0 | |
| April 7, 2021, 7 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 58.0 ppb (61) | 0.1 ppb (2) | 26.1 μg/m3 (25) | N/A | 61.0 | |
| April 7, 2021, 6 p.m. | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.1 ppb (2) | 31.7 μg/m3 (30) | N/A | 45.0 | |
| April 7, 2021, 5 p.m. | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.2 ppb (3) | 33.2 μg/m3 (31) | N/A | 41.0 | |
| April 7, 2021, 4 p.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (2) | 33.0 ppb (31) | 0.2 ppb (3) | 39.9 μg/m3 (37) | N/A | 37.0 | |
| April 7, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 16.0 ppb (15) | 0.3 ppb (4) | 53.5 μg/m3 (50) | N/A | 50.0 | |
| April 7, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 4.0 ppb (4) | 0.8 ppb (10) | 91.4 μg/m3 (70) | N/A | 70.0 | |
| April 7, 2021, 1 p.m. | N/A | N/A | N/A | 35.0 ppb (34) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.9 ppb (11) | 90.7 μg/m3 (69) | N/A | 69.0 | |
| April 7, 2021, noon | N/A | N/A | N/A | 35.0 ppb (34) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.4 ppb (5) | 34.3 μg/m3 (32) | N/A | 34.0 | |
| April 7, 2021, 11 a.m. | N/A | N/A | N/A | 30.0 ppb (29) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.2 ppb (3) | 27.8 μg/m3 (26) | N/A | 29.0 | |
| April 7, 2021, 10 a.m. | N/A | N/A | N/A | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.1 ppb (2) | 20.6 μg/m3 (20) | N/A | 24.0 | |
| April 7, 2021, 9 a.m. | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.1 ppb (2) | 17.1 μg/m3 (16) | N/A | 30.0 | |
| April 7, 2021, 8 a.m. | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.0 ppb (0) | 19.8 μg/m3 (19) | N/A | 32.0 | |
| April 7, 2021, 7 a.m. | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.2 ppb (3) | 43.3 μg/m3 (41) | N/A | 41.0 | |
| April 7, 2021, 6 a.m. | N/A | N/A | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.1 ppb (2) | 37.7 μg/m3 (35) | N/A | 35.0 | |
| April 7, 2021, 5 a.m. | N/A | N/A | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.0 ppb (0) | 55.0 μg/m3 (51) | N/A | 51.0 | |
| April 7, 2021, 4 a.m. | N/A | N/A | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.0 ppb (0) | 67.1 μg/m3 (57) | N/A | 57.0 | |
| April 7, 2021, 3 a.m. | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.0 ppb (0) | 60.3 μg/m3 (54) | N/A | 54.0 | |
| April 7, 2021, 2 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.0 ppb (0) | 40.6 μg/m3 (38) | N/A | 44.0 | |
| April 7, 2021, 1 a.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | 0.0 ppb (0) | 37.8 μg/m3 (35) | N/A | 47.0 | |
| April 7, 2021, midnight | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.1 ppb (2) | 49.4 μg/m3 (46) | N/A | 49.0 | |
| April 6, 2021, 11 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 54.0 ppb (50) | 0.0 ppb (0) | 46.1 μg/m3 (43) | N/A | 50.0 | |
| April 6, 2021, 10 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | 0.0 ppb (0) | 42.3 μg/m3 (40) | N/A | 51.0 | |
| April 6, 2021, 9 p.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | 0.0 ppb (0) | 35.4 μg/m3 (33) | N/A | 51.0 | |
| April 6, 2021, 8 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 57.0 ppb (58) | 0.0 ppb (0) | 31.9 μg/m3 (30) | N/A | 58.0 | |
| April 6, 2021, 7 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 53.0 ppb (50) | 0.1 ppb (2) | 32.2 μg/m3 (30) | N/A | 50.0 | |
| April 6, 2021, 6 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 48.0 ppb (45) | 0.1 ppb (2) | 31.1 μg/m3 (29) | N/A | 45.0 | |
| April 6, 2021, 5 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.1 ppb (2) | N/A | N/A | 37.0 | |
| April 6, 2021, 4 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.0 ppb (0) | N/A | N/A | 37.0 | |
| April 6, 2021, 3 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.1 ppb (2) | N/A | N/A | 37.0 | |
| April 6, 2021, 2 p.m. | N/A | N/A | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | N/A | N/A | 73.1 μg/m3 (60) | N/A | 60.0 | |
| April 6, 2021, 1 p.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.2 ppb (3) | 67.5 μg/m3 (58) | N/A | 58.0 | |
| April 6, 2021, noon | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.2 ppb (3) | 67.0 μg/m3 (57) | N/A | 57.0 | |
| April 6, 2021, 11 a.m. | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.1 ppb (2) | 73.9 μg/m3 (61) | N/A | 61.0 | |
| April 6, 2021, 10 a.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.0 ppb (0) | 61.5 μg/m3 (55) | N/A | 55.0 | |
| April 6, 2021, 9 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.0 ppb (0) | 54.6 μg/m3 (51) | N/A | 51.0 | |
| April 6, 2021, 8 a.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.0 ppb (0) | 39.0 μg/m3 (37) | N/A | 37.0 | |
| April 6, 2021, 7 a.m. | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.0 ppb (0) | 37.2 μg/m3 (35) | N/A | 35.0 | |
| April 6, 2021, 6 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.0 ppb (0) | 52.7 μg/m3 (49) | N/A | 49.0 | |
| April 6, 2021, 5 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.1 ppb (2) | 126.7 μg/m3 (87) | N/A | 87.0 | |
| April 6, 2021, 4 a.m. | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | 0.4 ppb (5) | 180.1 μg/m3 (114) | N/A | 114.0 | |
| April 6, 2021, 3 a.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.0 ppb (0) | 90.7 μg/m3 (69) | N/A | 69.0 | |
| April 6, 2021, 2 a.m. | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.1 ppb (2) | 57.8 μg/m3 (53) | N/A | 53.0 | |
| April 6, 2021, 1 a.m. | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.0 ppb (0) | 45.9 μg/m3 (43) | N/A | 49.0 | |
| April 6, 2021, midnight | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 58.0 ppb (61) | 0.0 ppb (0) | 46.3 μg/m3 (43) | N/A | 61.0 | |
| April 5, 2021, 11 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 59.0 ppb (65) | 0.0 ppb (0) | 44.6 μg/m3 (42) | N/A | 65.0 | |
| April 5, 2021, 10 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 60.0 ppb (68) | 0.0 ppb (0) | 38.1 μg/m3 (36) | N/A | 68.0 | |
| April 5, 2021, 9 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 60.0 ppb (68) | 0.0 ppb (0) | 57.5 μg/m3 (53) | N/A | 68.0 | |
| April 5, 2021, 8 p.m. | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 62.0 ppb (74) | 0.1 ppb (2) | 33.7 μg/m3 (32) | N/A | 74.0 | |
| April 5, 2021, 7 p.m. | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 1.0 ppb (2) | 49.0 ppb (46) | 0.1 ppb (2) | 28.0 μg/m3 (26) | N/A | 46.0 | |
| April 5, 2021, 6 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.1 ppb (2) | 26.1 μg/m3 (25) | N/A | 50.0 | |
| April 5, 2021, 5 p.m. | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 46.0 ppb (43) | 0.1 ppb (2) | 31.9 μg/m3 (30) | N/A | 43.0 | |
| April 5, 2021, 4 p.m. | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.2 ppb (3) | 41.8 μg/m3 (39) | N/A | 39.0 | |
| April 5, 2021, 3 p.m. | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.3 ppb (4) | 60.8 μg/m3 (54) | N/A | 54.0 | |
| April 5, 2021, 2 p.m. | N/A | N/A | N/A | 30.0 ppb (29) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.4 ppb (5) | 74.0 μg/m3 (61) | N/A | 61.0 | |
| April 5, 2021, 1 p.m. | N/A | N/A | N/A | 30.0 ppb (29) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.4 ppb (5) | 48.1 μg/m3 (45) | N/A | 45.0 | |
| April 5, 2021, noon | N/A | N/A | N/A | 28.0 ppb (27) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.4 ppb (5) | 41.7 μg/m3 (39) | N/A | 39.0 | |
| April 5, 2021, 11 a.m. | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | 0.3 ppb (4) | 35.3 μg/m3 (33) | N/A | 33.0 | |
| April 5, 2021, 10 a.m. | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | 0.4 ppb (5) | 40.5 μg/m3 (38) | N/A | 38.0 | |
| April 5, 2021, 9 a.m. | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 1.0 ppb (2) | 3.0 ppb (3) | 0.7 ppb (8) | 55.6 μg/m3 (52) | N/A | 52.0 | |
| April 5, 2021, 8 a.m. | N/A | N/A | N/A | 46.0 ppb (44) | N/A | 1.0 ppb (2) | 1.0 ppb (1) | 0.6 ppb (7) | 55.4 μg/m3 (52) | N/A | 52.0 | |
| April 5, 2021, 7 a.m. | N/A | N/A | N/A | 35.0 ppb (34) | N/A | 1.0 ppb (2) | 14.0 ppb (13) | 0.5 ppb (6) | 38.6 μg/m3 (36) | N/A | 36.0 | |
| April 5, 2021, 6 a.m. | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 1.0 ppb (2) | 12.0 ppb (12) | 0.6 ppb (7) | 57.3 μg/m3 (53) | N/A | 53.0 | |
| April 5, 2021, 5 a.m. | N/A | N/A | N/A | 27.0 ppb (26) | N/A | 2.0 ppb (3) | 33.0 ppb (31) | 0.5 ppb (6) | 62.3 μg/m3 (55) | N/A | 55.0 | |
| April 5, 2021, 4 a.m. | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 1.0 ppb (2) | 38.0 ppb (36) | 0.3 ppb (4) | 59.5 μg/m3 (54) | N/A | 54.0 | |
| April 5, 2021, 3 a.m. | N/A | N/A | N/A | 17.0 ppb (17) | N/A | 1.0 ppb (2) | 43.0 ppb (40) | 0.2 ppb (3) | 37.3 μg/m3 (35) | N/A | 40.0 | |
| April 5, 2021, 2 a.m. | N/A | N/A | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.2 ppb (3) | 42.2 μg/m3 (40) | N/A | 41.0 | |
| April 5, 2021, 1 a.m. | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 56.0 ppb (55) | 0.1 ppb (2) | 48.7 μg/m3 (46) | N/A | 55.0 | |
| April 5, 2021, midnight | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 63.0 ppb (78) | 0.0 ppb (0) | 29.6 μg/m3 (28) | N/A | 78.0 | |
| April 4, 2021, 11 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 64.0 ppb (81) | 0.0 ppb (0) | 29.0 μg/m3 (27) | N/A | 81.0 | |
| April 4, 2021, 10 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 67.0 ppb (91) | 0.0 ppb (0) | 23.8 μg/m3 (23) | N/A | 91.0 | |
| April 4, 2021, 9 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 73.0 ppb (103) | 0.1 ppb (2) | 34.3 μg/m3 (32) | N/A | 103.0 | |
| April 4, 2021, 8 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 76.0 ppb (104) | 0.1 ppb (2) | 24.0 μg/m3 (23) | N/A | 104.0 | |
| April 4, 2021, 7 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 71.0 ppb (101) | 0.1 ppb (2) | 34.6 μg/m3 (33) | N/A | 101.0 | |
| April 4, 2021, 6 p.m. | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 1.0 ppb (2) | 55.0 ppb (51) | 0.1 ppb (2) | 29.6 μg/m3 (28) | N/A | 51.0 | |
| April 4, 2021, 5 p.m. | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 1.0 ppb (2) | 49.0 ppb (46) | 0.1 ppb (2) | 26.6 μg/m3 (25) | N/A | 46.0 | |
| April 4, 2021, 4 p.m. | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 1.0 ppb (2) | 44.0 ppb (41) | 0.2 ppb (3) | 29.1 μg/m3 (27) | N/A | 41.0 | |
| April 4, 2021, 3 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.1 ppb (2) | 40.6 μg/m3 (38) | N/A | 39.0 | |
| April 4, 2021, 2 p.m. | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | 0.2 ppb (3) | 37.8 μg/m3 (35) | N/A | 35.0 | |
| April 4, 2021, 1 p.m. | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | 0.4 ppb (5) | 42.1 μg/m3 (39) | N/A | 39.0 | |
| April 4, 2021, noon | N/A | N/A | N/A | 27.0 ppb (26) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.6 ppb (7) | 51.2 μg/m3 (48) | N/A | 48.0 | |
| April 4, 2021, 11 a.m. | N/A | N/A | N/A | 28.0 ppb (27) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.5 ppb (6) | 52.1 μg/m3 (49) | N/A | 49.0 | |
| April 4, 2021, 10 a.m. | N/A | N/A | N/A | 32.0 ppb (31) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.8 ppb (10) | 61.1 μg/m3 (55) | N/A | 55.0 | |
| April 4, 2021, 9 a.m. | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.8 ppb (10) | 54.8 μg/m3 (51) | N/A | 51.0 | |
| April 4, 2021, 8 a.m. | N/A | N/A | N/A | 41.0 ppb (39) | N/A | 1.0 ppb (2) | 2.0 ppb (2) | 0.8 ppb (10) | 53.5 μg/m3 (50) | N/A | 50.0 | |
| April 4, 2021, 7 a.m. | N/A | N/A | N/A | 42.0 ppb (40) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 0.7 ppb (8) | 54.8 μg/m3 (51) | N/A | 51.0 | |
| April 4, 2021, 6 a.m. | N/A | N/A | N/A | 32.0 ppb (31) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.5 ppb (6) | 47.6 μg/m3 (45) | N/A | 45.0 | |
| April 4, 2021, 5 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.2 ppb (3) | 37.9 μg/m3 (36) | N/A | 36.0 | |
| April 4, 2021, 4 a.m. | N/A | N/A | N/A | 44.0 ppb (42) | N/A | 1.0 ppb (2) | 7.0 ppb (7) | 0.7 ppb (8) | 63.8 μg/m3 (56) | N/A | 56.0 | |
| April 4, 2021, 3 a.m. | N/A | N/A | N/A | 30.0 ppb (29) | N/A | 1.0 ppb (2) | 22.0 ppb (21) | 0.5 ppb (6) | 76.8 μg/m3 (62) | N/A | 62.0 | |
| April 4, 2021, 2 a.m. | N/A | N/A | N/A | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.2 ppb (3) | 47.5 μg/m3 (44) | N/A | 44.0 | |
| April 4, 2021, 1 a.m. | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 58.0 ppb (61) | 0.1 ppb (2) | 59.5 μg/m3 (54) | N/A | 61.0 | |
| April 4, 2021, midnight | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 68.0 ppb (94) | 0.0 ppb (0) | 31.5 μg/m3 (30) | N/A | 94.0 | |
| April 3, 2021, 11 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 73.0 ppb (103) | 0.1 ppb (2) | 25.5 μg/m3 (24) | N/A | 103.0 | |
| April 3, 2021, 10 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 69.0 ppb (97) | 0.1 ppb (2) | 22.6 μg/m3 (21) | N/A | 97.0 | |
| April 3, 2021, 9 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 71.0 ppb (101) | 0.1 ppb (2) | 36.1 μg/m3 (34) | N/A | 101.0 | |
| April 3, 2021, 8 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 61.0 ppb (71) | 0.0 ppb (0) | 30.8 μg/m3 (29) | N/A | 71.0 | |
| April 3, 2021, 7 p.m. | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 56.0 ppb (55) | 0.1 ppb (2) | 26.4 μg/m3 (25) | N/A | 55.0 | |
| April 3, 2021, 6 p.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.1 ppb (2) | 28.6 μg/m3 (27) | N/A | 49.0 |