Green Riv (Fryberger Rd) WY, US: 41.55643, -109.53044
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 11, 2021, 2 a.m. | 5.0 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | N/A | 8.0 μg/m3 (8) | 2.0 μg/m3 (9) | 38.0 | |
| April 11, 2021, 1 a.m. | 1.8 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 47.0 ppb (44) | N/A | 11.0 μg/m3 (11) | 3.0 μg/m3 (13) | 44.0 | |
| April 11, 2021, midnight | 0.7 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | N/A | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 47.0 | |
| April 10, 2021, 11 p.m. | 0.8 ppb (1) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 18.0 μg/m3 (17) | 1.0 μg/m3 (5) | 48.0 | |
| April 10, 2021, 10 p.m. | 0.5 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | N/A | 26.0 μg/m3 (25) | 4.0 μg/m3 (17) | 50.0 | |
| April 10, 2021, 9 p.m. | 0.6 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 19.0 μg/m3 (18) | 5.0 μg/m3 (21) | 49.0 | |
| April 10, 2021, 8 p.m. | 0.8 ppb (1) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 13.0 μg/m3 (13) | 3.0 μg/m3 (13) | 48.0 | |
| April 10, 2021, 7 p.m. | 1.2 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | N/A | 42.0 μg/m3 (39) | 2.0 μg/m3 (9) | 47.0 | |
| April 10, 2021, 6 p.m. | 1.4 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | N/A | 11.0 μg/m3 (11) | 3.0 μg/m3 (13) | 45.0 | |
| April 10, 2021, 5 p.m. | 3.2 ppb (4) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 7.0 μg/m3 (7) | 3.0 μg/m3 (13) | 41.0 | |
| April 10, 2021, 4 p.m. | 5.4 ppb (6) | 1.6 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | N/A | 8.0 μg/m3 (8) | 6.0 μg/m3 (25) | 38.0 | |
| April 10, 2021, 3 p.m. | 12.9 ppb (13) | 4.8 ppb (5) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | 9.0 μg/m3 (9) | 9.0 μg/m3 (38) | 38.0 | |
| April 10, 2021, 2 p.m. | 30.9 ppb (30) | 16.0 ppb (16) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | N/A | 14.0 μg/m3 (13) | 6.0 μg/m3 (25) | 30.0 | |
| April 10, 2021, 1 p.m. | 35.5 ppb (34) | 16.9 ppb (16) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | N/A | 17.0 μg/m3 (16) | 2.0 μg/m3 (9) | 34.0 | |
| April 10, 2021, noon | 37.5 ppb (36) | 13.2 ppb (13) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | N/A | 9.0 μg/m3 (9) | 2.0 μg/m3 (9) | 36.0 | |
| April 10, 2021, 11 a.m. | 12.0 ppb (12) | 0.1 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | N/A | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 14.0 | |
| April 10, 2021, 10 a.m. | 13.3 ppb (13) | 0.1 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | N/A | 12.0 μg/m3 (12) | 2.0 μg/m3 (9) | 14.0 | |
| April 10, 2021, 9 a.m. | 8.3 ppb (8) | 0.0 ppb (0) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 9.0 μg/m3 (9) | 4.0 μg/m3 (17) | 20.0 | |
| April 10, 2021, 8 a.m. | 5.9 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | 8.0 μg/m3 (8) | 1.0 μg/m3 (5) | 22.0 | |
| April 10, 2021, 7 a.m. | 4.5 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | 12.0 μg/m3 (12) | 0.0 μg/m3 (0) | 27.0 | |
| April 10, 2021, 6 a.m. | 15.8 ppb (15) | 0.2 ppb (1) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 17.0 μg/m3 (16) | 1.0 μg/m3 (5) | 20.0 | |
| April 10, 2021, 5 a.m. | 10.9 ppb (11) | 0.1 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | 6.0 μg/m3 (6) | -2.0 μg/m3 (0) | 28.0 | |
| April 10, 2021, 4 a.m. | 6.6 ppb (7) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | N/A | 6.0 μg/m3 (6) | -2.0 μg/m3 (0) | 35.0 | |
| April 10, 2021, 3 a.m. | 9.3 ppb (9) | 0.8 ppb (1) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | N/A | 6.0 μg/m3 (6) | -2.0 μg/m3 (0) | 34.0 | |
| April 10, 2021, 2 a.m. | 5.0 ppb (5) | 0.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | 1.0 ppb (2) | 41.0 ppb (38) | N/A | 19.0 μg/m3 (18) | -2.0 μg/m3 (0) | 38.0 | |
| April 10, 2021, 1 a.m. | 3.2 ppb (4) | 0.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 47.0 ppb (44) | N/A | 2.0 μg/m3 (2) | -1.0 μg/m3 (0) | 44.0 | |
| April 10, 2021, midnight | 3.7 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 49.0 ppb (46) | N/A | 29.0 μg/m3 (27) | 1.0 μg/m3 (5) | 46.0 | |
| April 9, 2021, 11 p.m. | 4.0 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 32.0 μg/m3 (30) | 1.0 μg/m3 (5) | 48.0 | |
| April 9, 2021, 10 p.m. | 3.9 ppb (4) | 1.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 44.0 μg/m3 (41) | 1.0 μg/m3 (5) | 49.0 | |
| April 9, 2021, 9 p.m. | 3.5 ppb (4) | 1.1 ppb (2) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 54.0 ppb (50) | N/A | 73.0 μg/m3 (60) | 1.0 μg/m3 (5) | 60.0 | |
| April 9, 2021, 8 p.m. | 2.1 ppb (2) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 57.0 ppb (58) | N/A | 14.0 μg/m3 (13) | 1.0 μg/m3 (5) | 58.0 | |
| April 9, 2021, 7 p.m. | 3.8 ppb (4) | 1.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 56.0 ppb (55) | N/A | 10.0 μg/m3 (10) | 1.0 μg/m3 (5) | 55.0 | |
| April 9, 2021, 6 p.m. | 4.2 ppb (4) | 1.2 ppb (2) | N/A | 3.0 ppb (3) | N/A | 1.0 ppb (2) | 53.0 ppb (50) | N/A | 10.0 μg/m3 (10) | 4.0 μg/m3 (17) | 50.0 | |
| April 9, 2021, 5 p.m. | 2.5 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 54.0 ppb (50) | N/A | 10.0 μg/m3 (10) | 4.0 μg/m3 (17) | 50.0 | |
| April 9, 2021, 4 p.m. | 3.1 ppb (3) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | N/A | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 47.0 | |
| April 9, 2021, 3 p.m. | 7.3 ppb (7) | 2.3 ppb (3) | N/A | 5.0 ppb (5) | N/A | 2.0 ppb (3) | 42.0 ppb (39) | N/A | 25.0 μg/m3 (24) | 8.0 μg/m3 (34) | 39.0 | |
| April 9, 2021, 2 p.m. | 10.5 ppb (10) | 3.1 ppb (3) | N/A | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 35.0 ppb (33) | N/A | 27.0 μg/m3 (25) | 6.0 μg/m3 (25) | 33.0 | |
| April 9, 2021, 1 p.m. | 12.2 ppb (12) | 1.6 ppb (2) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 27.0 | |
| April 9, 2021, noon | 10.6 ppb (10) | 0.4 ppb (1) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | N/A | 14.0 μg/m3 (13) | 3.0 μg/m3 (13) | 26.0 | |
| April 9, 2021, 11 a.m. | 6.9 ppb (7) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | 8.0 μg/m3 (8) | 1.0 μg/m3 (5) | 31.0 | |
| April 9, 2021, 10 a.m. | 3.2 ppb (4) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | N/A | 11.0 μg/m3 (11) | 2.0 μg/m3 (9) | 35.0 | |
| April 9, 2021, 9 a.m. | 1.1 ppb (2) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | N/A | 13.0 μg/m3 (13) | 2.0 μg/m3 (9) | 39.0 | |
| April 9, 2021, 8 a.m. | 3.8 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | N/A | 21.0 μg/m3 (20) | 3.0 μg/m3 (13) | 38.0 | |
| April 9, 2021, 7 a.m. | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 45.0 ppb (42) | N/A | 30.0 μg/m3 (28) | 4.0 μg/m3 (17) | 42.0 | |
| April 9, 2021, 6 a.m. | 2.4 ppb (3) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 52.0 μg/m3 (49) | 5.0 μg/m3 (21) | 49.0 | |
| April 9, 2021, 5 a.m. | 6.6 ppb (7) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | N/A | 66.0 μg/m3 (57) | 5.0 μg/m3 (21) | 57.0 | |
| April 9, 2021, 4 a.m. | 3.6 ppb (4) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 46.0 ppb (43) | N/A | 64.0 μg/m3 (56) | 4.0 μg/m3 (17) | 56.0 | |
| April 9, 2021, 3 a.m. | 5.1 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | N/A | 60.0 μg/m3 (54) | 5.0 μg/m3 (21) | 54.0 | |
| April 9, 2021, 2 a.m. | 5.6 ppb (6) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | N/A | 41.0 μg/m3 (38) | 6.0 μg/m3 (25) | 38.0 | |
| April 9, 2021, 1 a.m. | 8.5 ppb (9) | 1.7 ppb (2) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | N/A | 52.0 μg/m3 (49) | 4.0 μg/m3 (17) | 49.0 | |
| April 9, 2021, midnight | 3.6 ppb (4) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 17.0 μg/m3 (16) | 2.0 μg/m3 (9) | 41.0 | |
| April 8, 2021, 11 p.m. | 0.8 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | N/A | 21.0 μg/m3 (20) | 3.0 μg/m3 (13) | 45.0 | |
| April 8, 2021, 10 p.m. | 1.1 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | N/A | 28.0 μg/m3 (26) | 3.0 μg/m3 (13) | 47.0 | |
| April 8, 2021, 9 p.m. | 1.0 ppb (1) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 23.0 μg/m3 (22) | 5.0 μg/m3 (21) | 49.0 | |
| April 8, 2021, 8 p.m. | 1.1 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 25.0 μg/m3 (24) | 6.0 μg/m3 (25) | 48.0 | |
| April 8, 2021, 7 p.m. | 1.8 ppb (2) | 0.4 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 30.0 μg/m3 (28) | 4.0 μg/m3 (17) | 49.0 | |
| April 8, 2021, 6 p.m. | 1.3 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 38.0 μg/m3 (36) | 4.0 μg/m3 (17) | 48.0 | |
| April 8, 2021, 5 p.m. | 3.2 ppb (4) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | N/A | 39.0 μg/m3 (37) | 8.0 μg/m3 (34) | 45.0 | |
| April 8, 2021, 4 p.m. | 8.4 ppb (8) | 2.8 ppb (3) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | N/A | 9.0 μg/m3 (9) | 8.0 μg/m3 (34) | 37.0 | |
| April 8, 2021, 3 p.m. | 28.4 ppb (27) | 13.7 ppb (13) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | N/A | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 27.0 | |
| April 8, 2021, 2 p.m. | 62.1 ppb (60) | 38.9 ppb (37) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | N/A | 22.0 μg/m3 (21) | 6.0 μg/m3 (25) | 60.0 | |
| April 8, 2021, 1 p.m. | 53.8 ppb (51) | 29.6 ppb (28) | N/A | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 4.0 ppb (4) | N/A | 15.0 μg/m3 (14) | 6.0 μg/m3 (25) | 51.0 | |
| April 8, 2021, noon | 39.9 ppb (38) | 14.4 ppb (14) | N/A | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | N/A | 18.0 μg/m3 (17) | 2.0 μg/m3 (9) | 38.0 | |
| April 8, 2021, 11 a.m. | 37.6 ppb (36) | 14.4 ppb (14) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 14.0 μg/m3 (13) | 3.0 μg/m3 (13) | 36.0 | |
| April 8, 2021, 10 a.m. | 14.1 ppb (14) | 1.5 ppb (2) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | N/A | 10.0 μg/m3 (10) | 4.0 μg/m3 (17) | 17.0 | |
| April 8, 2021, 9 a.m. | 7.1 ppb (7) | 0.0 ppb (0) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | N/A | 12.0 μg/m3 (12) | 0.0 μg/m3 (0) | 18.0 | |
| April 8, 2021, 8 a.m. | 11.4 ppb (11) | 0.2 ppb (1) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 17.0 ppb (16) | N/A | 12.0 μg/m3 (12) | 0.0 μg/m3 (0) | 16.0 | |
| April 8, 2021, 7 a.m. | 5.7 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | 13.0 μg/m3 (13) | 4.0 μg/m3 (17) | 22.0 | |
| April 8, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (20) | 7.0 μg/m3 (30) | 30.0 | |
| April 8, 2021, 5 a.m. | 24.8 ppb (24) | 1.5 ppb (2) | N/A | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | N/A | 15.0 μg/m3 (14) | 6.0 μg/m3 (25) | 25.0 | |
| April 8, 2021, 4 a.m. | 7.8 ppb (8) | 0.0 ppb (0) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | N/A | 19.0 μg/m3 (18) | 2.0 μg/m3 (9) | 32.0 | |
| April 8, 2021, 3 a.m. | 19.3 ppb (19) | 4.1 ppb (4) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | 20.0 μg/m3 (19) | 2.0 μg/m3 (9) | 28.0 | |
| April 8, 2021, 2 a.m. | 13.4 ppb (13) | 0.2 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | 17.0 μg/m3 (16) | 2.0 μg/m3 (9) | 31.0 | |
| April 8, 2021, 1 a.m. | 6.0 ppb (6) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 10.0 μg/m3 (10) | 3.0 μg/m3 (13) | 41.0 | |
| April 8, 2021, midnight | 4.3 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | N/A | 15.0 μg/m3 (14) | 3.0 μg/m3 (13) | 47.0 | |
| April 7, 2021, 11 p.m. | 2.4 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 17.0 μg/m3 (16) | 5.0 μg/m3 (21) | 48.0 | |
| April 7, 2021, 10 p.m. | 1.8 ppb (2) | 0.4 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 14.0 μg/m3 (13) | 2.0 μg/m3 (9) | 49.0 | |
| April 7, 2021, 9 p.m. | 1.9 ppb (2) | 0.4 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | N/A | 20.0 μg/m3 (19) | 0.0 μg/m3 (0) | 50.0 | |
| April 7, 2021, 8 p.m. | 1.7 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | N/A | 20.0 μg/m3 (19) | 2.0 μg/m3 (9) | 51.0 | |
| April 7, 2021, 7 p.m. | 1.7 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 18.0 μg/m3 (17) | 2.0 μg/m3 (9) | 49.0 | |
| April 7, 2021, 6 p.m. | 1.8 ppb (2) | 0.4 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 18.0 μg/m3 (17) | 3.0 μg/m3 (13) | 48.0 | |
| April 7, 2021, 5 p.m. | 1.4 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | N/A | 16.0 μg/m3 (15) | 4.0 μg/m3 (17) | 45.0 | |
| April 7, 2021, 4 p.m. | 1.4 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 46.0 ppb (43) | N/A | 8.0 μg/m3 (8) | 7.0 μg/m3 (30) | 43.0 | |
| April 7, 2021, 3 p.m. | 6.1 ppb (6) | 2.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | N/A | 18.0 μg/m3 (17) | 10.0 μg/m3 (42) | 42.0 | |
| April 7, 2021, 2 p.m. | 7.2 ppb (7) | 1.9 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | 18.0 μg/m3 (17) | 8.0 μg/m3 (34) | 34.0 | |
| April 7, 2021, 1 p.m. | 9.4 ppb (9) | 1.5 ppb (2) | N/A | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | 7.0 μg/m3 (7) | 4.0 μg/m3 (17) | 25.0 | |
| April 7, 2021, noon | 4.9 ppb (5) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | 6.0 μg/m3 (6) | 2.0 μg/m3 (9) | 28.0 | |
| April 7, 2021, 11 a.m. | 1.6 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 8.0 μg/m3 (8) | 1.0 μg/m3 (5) | 33.0 | |
| April 7, 2021, 10 a.m. | 1.6 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 5.0 μg/m3 (5) | 0.0 μg/m3 (0) | 33.0 | |
| April 7, 2021, 9 a.m. | 5.9 ppb (6) | 1.3 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | N/A | 5.0 μg/m3 (5) | 4.0 μg/m3 (17) | 29.0 | |
| April 7, 2021, 8 a.m. | 1.2 ppb (2) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 5.0 μg/m3 (5) | 3.0 μg/m3 (13) | 33.0 | |
| April 7, 2021, 7 a.m. | 2.1 ppb (2) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | N/A | 4.0 μg/m3 (4) | 0.0 μg/m3 (0) | 32.0 | |
| April 7, 2021, 6 a.m. | 10.4 ppb (10) | 3.3 ppb (4) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | N/A | 2.0 μg/m3 (2) | 0.0 μg/m3 (0) | 28.0 | |
| April 7, 2021, 5 a.m. | 8.1 ppb (8) | 1.9 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | N/A | 3.0 μg/m3 (3) | 2.0 μg/m3 (9) | 29.0 | |
| April 7, 2021, 4 a.m. | 5.5 ppb (6) | 1.4 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | N/A | 5.0 μg/m3 (5) | 2.0 μg/m3 (9) | 32.0 | |
| April 7, 2021, 3 a.m. | 7.4 ppb (7) | 1.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | N/A | 3.0 μg/m3 (3) | 0.0 μg/m3 (0) | 32.0 | |
| April 7, 2021, 2 a.m. | 5.3 ppb (5) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 3.0 μg/m3 (3) | 2.0 μg/m3 (9) | 33.0 | |
| April 7, 2021, 1 a.m. | 5.5 ppb (6) | 1.4 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 4.0 μg/m3 (4) | 3.0 μg/m3 (13) | 33.0 | |
| April 7, 2021, midnight | 1.5 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | N/A | 2.0 μg/m3 (2) | 3.0 μg/m3 (13) | 36.0 | |
| April 6, 2021, 11 p.m. | 3.9 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | N/A | 6.0 μg/m3 (6) | 6.0 μg/m3 (25) | 37.0 | |
| April 6, 2021, 10 p.m. | 4.1 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | N/A | 11.0 μg/m3 (11) | 6.0 μg/m3 (25) | 38.0 | |
| April 6, 2021, 9 p.m. | 3.3 ppb (4) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | N/A | 4.0 μg/m3 (4) | 4.0 μg/m3 (17) | 40.0 | |
| April 6, 2021, 8 p.m. | 2.1 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 5.0 μg/m3 (5) | 5.0 μg/m3 (21) | 41.0 | |
| April 6, 2021, 7 p.m. | 1.7 ppb (2) | 0.2 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 45.0 ppb (42) | N/A | 7.0 μg/m3 (7) | 2.0 μg/m3 (9) | 42.0 | |
| April 6, 2021, 6 p.m. | 1.7 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 45.0 ppb (42) | N/A | 9.0 μg/m3 (9) | 1.0 μg/m3 (5) | 42.0 | |
| April 6, 2021, 5 p.m. | 3.9 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 8.0 μg/m3 (8) | 2.0 μg/m3 (9) | 41.0 | |
| April 6, 2021, 4 p.m. | 1.4 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 47.0 ppb (44) | N/A | 11.0 μg/m3 (11) | 2.0 μg/m3 (9) | 44.0 | |
| April 6, 2021, 3 p.m. | 1.2 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | N/A | 15.0 μg/m3 (14) | 3.0 μg/m3 (13) | 45.0 | |
| April 6, 2021, 2 p.m. | 4.1 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 7.0 μg/m3 (7) | 1.0 μg/m3 (5) | 41.0 | |
| April 6, 2021, 1 p.m. | 1.0 ppb (1) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 7.0 μg/m3 (7) | 0.0 μg/m3 (0) | 41.0 | |
| April 6, 2021, noon | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | N/A | 9.0 μg/m3 (9) | 3.0 μg/m3 (13) | 45.0 | |
| April 6, 2021, 11 a.m. | 1.6 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 57.0 ppb (58) | N/A | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 58.0 | |
| April 6, 2021, 10 a.m. | 1.6 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | N/A | 15.0 μg/m3 (14) | 1.0 μg/m3 (5) | 51.0 | |
| April 6, 2021, 9 a.m. | 0.7 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 59.0 ppb (65) | N/A | 24.0 μg/m3 (23) | 0.0 μg/m3 (0) | 65.0 | |
| April 6, 2021, 8 a.m. | 0.9 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | N/A | 30.0 μg/m3 (28) | 3.0 μg/m3 (13) | 50.0 | |
| April 6, 2021, 7 a.m. | 5.2 ppb (5) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | 12.0 μg/m3 (12) | 4.0 μg/m3 (17) | 30.0 | |
| April 6, 2021, 6 a.m. | 4.5 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 33.0 | |
| April 6, 2021, 5 a.m. | 7.3 ppb (7) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | 21.0 μg/m3 (20) | 3.0 μg/m3 (13) | 31.0 | |
| April 6, 2021, 4 a.m. | 2.8 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | N/A | 25.0 μg/m3 (24) | 2.0 μg/m3 (9) | 35.0 | |
| April 6, 2021, 3 a.m. | 11.2 ppb (11) | 1.3 ppb (2) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | N/A | 24.0 μg/m3 (23) | 0.0 μg/m3 (0) | 27.0 | |
| April 6, 2021, 2 a.m. | 4.3 ppb (5) | 0.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | N/A | 41.0 μg/m3 (38) | 0.0 μg/m3 (0) | 38.0 | |
| April 6, 2021, 1 a.m. | 6.7 ppb (7) | 0.4 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | N/A | 11.0 μg/m3 (11) | 3.0 μg/m3 (13) | 38.0 | |
| April 6, 2021, midnight | 7.0 ppb (7) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 46.0 ppb (43) | N/A | 18.0 μg/m3 (17) | 2.0 μg/m3 (9) | 43.0 | |
| April 5, 2021, 11 p.m. | 5.0 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | N/A | 20.0 μg/m3 (19) | 0.0 μg/m3 (0) | 45.0 | |
| April 5, 2021, 10 p.m. | 1.9 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 10.0 μg/m3 (10) | 2.0 μg/m3 (9) | 48.0 | |
| April 5, 2021, 9 p.m. | 1.1 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 17.0 μg/m3 (16) | -1.0 μg/m3 (0) | 49.0 | |
| April 5, 2021, 8 p.m. | 0.4 ppb (1) | 0.0 ppb (0) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | N/A | 10.0 μg/m3 (10) | 2.0 μg/m3 (9) | 47.0 | |
| April 5, 2021, 7 p.m. | 0.7 ppb (1) | 0.2 ppb (1) | N/A | 0.0 ppb (0) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | N/A | 11.0 μg/m3 (11) | 4.0 μg/m3 (17) | 47.0 | |
| April 5, 2021, 6 p.m. | 0.6 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 49.0 ppb (46) | N/A | 7.0 μg/m3 (7) | 1.0 μg/m3 (5) | 46.0 | |
| April 5, 2021, 5 p.m. | 2.4 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 46.0 ppb (43) | N/A | 10.0 μg/m3 (10) | 3.0 μg/m3 (13) | 43.0 | |
| April 5, 2021, 4 p.m. | 5.6 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | N/A | 12.0 μg/m3 (12) | 6.0 μg/m3 (25) | 38.0 | |
| April 5, 2021, 3 p.m. | 31.0 ppb (30) | 15.3 ppb (15) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | N/A | 16.0 μg/m3 (15) | 8.0 μg/m3 (34) | 34.0 | |
| April 5, 2021, 2 p.m. | 53.5 ppb (51) | 34.6 ppb (33) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | N/A | 23.0 μg/m3 (22) | 6.0 μg/m3 (25) | 51.0 | |
| April 5, 2021, 1 p.m. | 48.0 ppb (46) | 28.4 ppb (27) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | N/A | 38.0 μg/m3 (36) | 2.0 μg/m3 (9) | 46.0 | |
| April 5, 2021, noon | 24.8 ppb (24) | 5.9 ppb (6) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | N/A | 16.0 μg/m3 (15) | 3.0 μg/m3 (13) | 24.0 | |
| April 5, 2021, 11 a.m. | 26.5 ppb (25) | 5.3 ppb (5) | N/A | 21.0 ppb (20) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | N/A | 13.0 μg/m3 (13) | 4.0 μg/m3 (17) | 25.0 | |
| April 5, 2021, 10 a.m. | 21.1 ppb (20) | 3.1 ppb (3) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | N/A | 10.0 μg/m3 (10) | 3.0 μg/m3 (13) | 20.0 | |
| April 5, 2021, 9 a.m. | 21.6 ppb (21) | 2.3 ppb (3) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | N/A | 13.0 μg/m3 (13) | 3.0 μg/m3 (13) | 21.0 | |
| April 5, 2021, 8 a.m. | 14.7 ppb (14) | 0.1 ppb (1) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | N/A | 10.0 μg/m3 (10) | 1.0 μg/m3 (5) | 15.0 | |
| April 5, 2021, 7 a.m. | 16.6 ppb (16) | 0.3 ppb (1) | N/A | 16.0 ppb (16) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | N/A | 16.0 μg/m3 (15) | 1.0 μg/m3 (5) | 16.0 | |
| April 5, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 3.0 μg/m3 (13) | 14.0 | |
| April 5, 2021, 5 a.m. | 6.5 ppb (7) | 0.0 ppb (0) | N/A | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | 17.0 μg/m3 (16) | 5.0 μg/m3 (21) | 25.0 | |
| April 5, 2021, 4 a.m. | 9.1 ppb (9) | 0.0 ppb (0) | N/A | 9.0 ppb (9) | N/A | 1.0 ppb (2) | 29.0 ppb (27) | N/A | 26.0 μg/m3 (25) | 6.0 μg/m3 (25) | 27.0 | |
| April 5, 2021, 3 a.m. | 21.8 ppb (21) | 6.5 ppb (7) | N/A | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | 15.0 μg/m3 (14) | 3.0 μg/m3 (13) | 25.0 | |
| April 5, 2021, 2 a.m. | 7.6 ppb (8) | 0.9 ppb (1) | N/A | 7.0 ppb (7) | N/A | 1.0 ppb (2) | 35.0 ppb (33) | N/A | 11.0 μg/m3 (11) | 0.0 μg/m3 (0) | 33.0 | |
| April 5, 2021, 1 a.m. | 3.9 ppb (4) | 0.1 ppb (1) | N/A | 4.0 ppb (4) | N/A | 1.0 ppb (2) | 43.0 ppb (40) | N/A | 11.0 μg/m3 (11) | 0.0 μg/m3 (0) | 40.0 | |
| April 5, 2021, midnight | 1.5 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 11.0 μg/m3 (11) | 0.0 μg/m3 (0) | 49.0 | |
| April 4, 2021, 11 p.m. | 2.1 ppb (2) | 0.3 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 14.0 μg/m3 (13) | 1.0 μg/m3 (5) | 49.0 | |
| April 4, 2021, 10 p.m. | 1.2 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | N/A | 20.0 μg/m3 (19) | 2.0 μg/m3 (9) | 48.0 | |
| April 4, 2021, 9 p.m. | 1.1 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 49.0 ppb (46) | N/A | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 46.0 | |
| April 4, 2021, 8 p.m. | 2.0 ppb (2) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 49.0 ppb (46) | N/A | 14.0 μg/m3 (13) | 2.0 μg/m3 (9) | 46.0 | |
| April 4, 2021, 7 p.m. | 2.2 ppb (3) | 0.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 1.0 ppb (2) | 49.0 ppb (46) | N/A | 10.0 μg/m3 (10) | 4.0 μg/m3 (17) | 46.0 | |
| April 4, 2021, 6 p.m. | 4.8 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | 3.0 ppb (5) | 50.0 ppb (47) | N/A | 24.0 μg/m3 (23) | 6.0 μg/m3 (25) | 47.0 | |
| April 4, 2021, 5 p.m. | 7.0 ppb (7) | 1.8 ppb (2) | N/A | 5.0 ppb (5) | N/A | 3.0 ppb (5) | 45.0 ppb (42) | N/A | 23.0 μg/m3 (22) | 6.0 μg/m3 (25) | 42.0 | |
| April 4, 2021, 4 p.m. | 7.7 ppb (8) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | N/A | 24.0 μg/m3 (23) | 6.0 μg/m3 (25) | 25.0 | |
| April 4, 2021, 3 p.m. | 5.6 ppb (6) | 2.4 ppb (3) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | N/A | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 25.0 | |
| April 4, 2021, 2 p.m. | 9.4 ppb (9) | 4.6 ppb (5) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | N/A | 9.0 μg/m3 (9) | 4.0 μg/m3 (17) | 17.0 | |
| April 4, 2021, 1 p.m. | 24.2 ppb (23) | 13.0 ppb (13) | N/A | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | N/A | 15.0 μg/m3 (14) | 5.0 μg/m3 (21) | 23.0 | |
| April 4, 2021, noon | 47.3 ppb (45) | 27.9 ppb (27) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | N/A | 19.0 μg/m3 (18) | 5.0 μg/m3 (21) | 45.0 | |
| April 4, 2021, 11 a.m. | 26.3 ppb (25) | 7.3 ppb (7) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | N/A | 25.0 μg/m3 (24) | 4.0 μg/m3 (17) | 25.0 | |
| April 4, 2021, 10 a.m. | 22.5 ppb (22) | 3.7 ppb (4) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 17.0 μg/m3 (16) | 6.0 μg/m3 (25) | 25.0 | |
| April 4, 2021, 9 a.m. | 27.8 ppb (27) | 6.6 ppb (7) | N/A | 21.0 ppb (20) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 29.0 μg/m3 (27) | 5.0 μg/m3 (21) | 27.0 | |
| April 4, 2021, 8 a.m. | 24.1 ppb (23) | 4.0 ppb (4) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 3.0 ppb (3) | N/A | 22.0 μg/m3 (21) | 2.0 μg/m3 (9) | 23.0 | |
| April 4, 2021, 7 a.m. | 13.8 ppb (14) | 0.6 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 11.0 ppb (11) | N/A | 21.0 μg/m3 (20) | 2.0 μg/m3 (9) | 20.0 | |
| April 4, 2021, 6 a.m. | 9.2 ppb (9) | 0.0 ppb (0) | N/A | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | N/A | 19.0 μg/m3 (18) | 3.0 μg/m3 (13) | 18.0 | |
| April 4, 2021, 5 a.m. | 9.6 ppb (10) | 0.0 ppb (0) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | N/A | 10.0 μg/m3 (10) | 3.0 μg/m3 (13) | 15.0 | |
| April 4, 2021, 4 a.m. | 12.0 ppb (12) | 0.1 ppb (1) | N/A | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | N/A | 17.0 μg/m3 (16) | 3.0 μg/m3 (13) | 16.0 | |
| April 4, 2021, 3 a.m. | 13.7 ppb (13) | 0.3 ppb (1) | N/A | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 17.0 ppb (16) | N/A | 23.0 μg/m3 (22) | 2.0 μg/m3 (9) | 22.0 |