Reno (E Reno) NV, US: 39.521918, -119.795444
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 20, 2021, 9 a.m. | 7.8 ppb (8) | 0.0 ppb (0) | 6.3 ppb (6) | 8.0 ppb (8) | 6.7 ppb (7) | 0.0 ppb (0) | 27.0 ppb (25) | 0.15 ppb (2) | 19.0 μg/m3 (18) | 5.0 μg/m3 (21) | 25.0 | |
| April 20, 2021, 8 a.m. | 6.8 ppb (7) | 0.0 ppb (0) | 5.8 ppb (6) | 7.0 ppb (7) | 6.1 ppb (6) | 0.0 ppb (0) | 33.0 ppb (31) | 0.15 ppb (2) | 16.0 μg/m3 (15) | 4.0 μg/m3 (17) | 31.0 | |
| April 20, 2021, 7 a.m. | 5.0 ppb (5) | 0.0 ppb (0) | 4.0 ppb (4) | 5.0 ppb (5) | 4.4 ppb (5) | 0.0 ppb (0) | 38.0 ppb (36) | 0.14 ppb (2) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 36.0 | |
| April 20, 2021, 6 a.m. | 3.7 ppb (4) | -0.1 ppb (0) | 3.0 ppb (3) | 4.0 ppb (4) | 3.4 ppb (4) | 0.0 ppb (0) | 41.0 ppb (38) | 0.14 ppb (2) | 11.0 μg/m3 (11) | 6.0 μg/m3 (25) | 38.0 | |
| April 20, 2021, 5 a.m. | 3.4 ppb (4) | -0.1 ppb (0) | 2.9 ppb (3) | 4.0 ppb (4) | 3.2 ppb (4) | 0.0 ppb (0) | 42.0 ppb (39) | 0.14 ppb (2) | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 39.0 | |
| April 20, 2021, 4 a.m. | 3.5 ppb (4) | 0.0 ppb (0) | 2.9 ppb (3) | 4.0 ppb (4) | 3.2 ppb (4) | 0.0 ppb (0) | 43.0 ppb (40) | 0.14 ppb (2) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 40.0 | |
| April 20, 2021, 3 a.m. | 3.8 ppb (4) | 0.0 ppb (0) | 3.1 ppb (3) | 4.0 ppb (4) | 3.5 ppb (4) | 0.0 ppb (0) | 42.0 ppb (39) | 0.15 ppb (2) | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 39.0 | |
| April 20, 2021, 2 a.m. | 3.0 ppb (3) | 0.0 ppb (0) | 2.4 ppb (3) | 3.0 ppb (3) | 2.6 ppb (3) | 0.0 ppb (0) | 42.0 ppb (39) | 0.13 ppb (2) | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 39.0 | |
| April 20, 2021, 1 a.m. | 3.5 ppb (4) | 0.4 ppb (1) | 3.0 ppb (3) | 3.0 ppb (3) | 2.9 ppb (3) | 0.0 ppb (0) | 43.0 ppb (40) | 0.14 ppb (2) | 18.0 μg/m3 (17) | 4.0 μg/m3 (17) | 40.0 | |
| April 20, 2021, midnight | 5.5 ppb (6) | 0.8 ppb (1) | 4.8 ppb (5) | 5.0 ppb (5) | 4.4 ppb (5) | 0.0 ppb (0) | 43.0 ppb (40) | 0.14 ppb (2) | 21.0 μg/m3 (20) | 4.0 μg/m3 (17) | 40.0 | |
| April 19, 2021, 11 p.m. | 3.9 ppb (4) | 0.6 ppb (1) | 3.2 ppb (4) | 3.0 ppb (3) | 3.0 ppb (3) | 0.0 ppb (0) | 48.0 ppb (45) | 0.13 ppb (2) | 17.0 μg/m3 (16) | 6.0 μg/m3 (25) | 45.0 | |
| April 19, 2021, 10 p.m. | 2.5 ppb (3) | 0.3 ppb (1) | 1.9 ppb (2) | 2.0 ppb (2) | 1.9 ppb (2) | 0.0 ppb (0) | 50.0 ppb (47) | 0.13 ppb (2) | 12.0 μg/m3 (12) | 8.0 μg/m3 (34) | 47.0 | |
| April 19, 2021, 9 p.m. | 2.6 ppb (3) | 0.5 ppb (1) | 1.9 ppb (2) | 2.0 ppb (2) | 1.8 ppb (2) | 0.0 ppb (0) | 48.0 ppb (45) | 0.12 ppb (2) | 18.0 μg/m3 (17) | 2.0 μg/m3 (9) | 45.0 | |
| April 19, 2021, 8 p.m. | N/A | N/A | 2.9 ppb (3) | N/A | 2.7 ppb (3) | 0.0 ppb (0) | 49.0 ppb (46) | 0.12 ppb (2) | 30.0 μg/m3 (28) | 2.0 μg/m3 (9) | 46.0 | |
| April 19, 2021, 7 p.m. | N/A | N/A | 6.7 ppb (7) | N/A | 1.7 ppb (2) | 0.0 ppb (0) | 48.0 ppb (45) | 0.12 ppb (2) | 19.0 μg/m3 (18) | 2.0 μg/m3 (9) | 45.0 | |
| April 19, 2021, 6 p.m. | 14.1 ppb (14) | 4.2 ppb (4) | N/A | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.19 ppb (3) | 34.0 μg/m3 (32) | 6.0 μg/m3 (25) | 38.0 | |
| April 19, 2021, 5 p.m. | 30.1 ppb (29) | 11.3 ppb (11) | N/A | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.32 ppb (4) | 45.0 μg/m3 (42) | 8.0 μg/m3 (34) | 42.0 | |
| April 19, 2021, 4 p.m. | 36.9 ppb (35) | 15.9 ppb (15) | N/A | 21.0 ppb (20) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.34 ppb (4) | 43.0 μg/m3 (40) | 10.0 μg/m3 (42) | 42.0 | |
| April 19, 2021, 3 p.m. | 46.4 ppb (44) | 22.4 ppb (22) | 45.0 ppb (43) | 24.0 ppb (23) | 24.8 ppb (24) | N/A | N/A | N/A | 37.0 μg/m3 (35) | 11.0 μg/m3 (46) | 46.0 | |
| April 19, 2021, 2 p.m. | 60.8 ppb (59) | 33.6 ppb (32) | 57.3 ppb (55) | 27.0 ppb (26) | 27.6 ppb (27) | N/A | N/A | N/A | 45.0 μg/m3 (42) | 9.0 μg/m3 (38) | 59.0 | |
| April 19, 2021, 1 p.m. | 89.5 ppb (89) | 56.8 ppb (54) | 87.4 ppb (87) | 33.0 ppb (32) | 35.0 ppb (34) | 1.0 ppb (2) | 1.0 ppb (1) | 0.74 ppb (8) | 68.0 μg/m3 (58) | 9.0 μg/m3 (38) | 89.0 | |
| April 19, 2021, noon | 49.1 ppb (47) | 19.9 ppb (19) | 61.1 ppb (59) | 29.0 ppb (28) | 32.4 ppb (31) | 0.0 ppb (0) | 2.0 ppb (2) | 0.45 ppb (6) | 29.0 μg/m3 (27) | 8.0 μg/m3 (34) | 59.0 | |
| April 19, 2021, 11 a.m. | 24.4 ppb (24) | 1.8 ppb (2) | 19.8 ppb (19) | 22.0 ppb (21) | 19.3 ppb (19) | 0.0 ppb (0) | 8.0 ppb (8) | 0.33 ppb (4) | 15.0 μg/m3 (14) | 6.0 μg/m3 (25) | 25.0 | |
| April 19, 2021, 10 a.m. | 23.9 ppb (23) | 1.4 ppb (2) | 23.9 ppb (23) | 22.0 ppb (21) | 23.2 ppb (22) | 0.0 ppb (0) | 9.0 ppb (9) | 0.3 ppb (4) | 17.0 μg/m3 (16) | 7.0 μg/m3 (30) | 30.0 | |
| April 19, 2021, 9 a.m. | 21.7 ppb (21) | 1.2 ppb (2) | 17.4 ppb (17) | 20.0 ppb (19) | 16.7 ppb (16) | 0.0 ppb (0) | 13.0 ppb (13) | 0.32 ppb (4) | 15.0 μg/m3 (14) | 5.0 μg/m3 (21) | 21.0 | |
| April 19, 2021, 8 a.m. | 26.0 ppb (25) | 2.0 ppb (2) | 26.1 ppb (25) | 24.0 ppb (23) | 24.2 ppb (23) | 0.0 ppb (0) | 9.0 ppb (9) | 0.32 ppb (4) | 17.0 μg/m3 (16) | 8.0 μg/m3 (34) | 34.0 | |
| April 19, 2021, 7 a.m. | 21.0 ppb (20) | 0.7 ppb (1) | N/A | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.22 ppb (3) | 28.0 μg/m3 (26) | 6.0 μg/m3 (25) | 26.0 | |
| April 19, 2021, 6 a.m. | 10.0 ppb (10) | 0.0 ppb (0) | 9.5 ppb (9) | 10.0 ppb (10) | 9.5 ppb (9) | 0.0 ppb (0) | 27.0 ppb (25) | 0.17 ppb (3) | 15.0 μg/m3 (14) | 3.0 μg/m3 (13) | 25.0 | |
| April 19, 2021, 5 a.m. | 17.7 ppb (17) | 1.0 ppb (1) | 13.1 ppb (13) | 17.0 ppb (17) | 12.4 ppb (12) | 0.0 ppb (0) | 21.0 ppb (20) | 0.18 ppb (3) | 19.0 μg/m3 (18) | 4.0 μg/m3 (17) | 20.0 | |
| April 19, 2021, 4 a.m. | 13.0 ppb (13) | 0.2 ppb (1) | 12.8 ppb (13) | 13.0 ppb (13) | 12.6 ppb (12) | 0.0 ppb (0) | 28.0 ppb (26) | 0.23 ppb (3) | 16.0 μg/m3 (15) | 7.0 μg/m3 (30) | 30.0 | |
| April 19, 2021, 3 a.m. | 17.4 ppb (17) | 0.5 ppb (1) | 16.1 ppb (16) | 17.0 ppb (17) | 15.8 ppb (15) | 0.0 ppb (0) | 26.0 ppb (25) | 0.29 ppb (4) | 56.0 μg/m3 (52) | 4.0 μg/m3 (17) | 52.0 | |
| April 19, 2021, 2 a.m. | 5.9 ppb (6) | 0.1 ppb (1) | 5.6 ppb (6) | 6.0 ppb (6) | 5.2 ppb (5) | 0.0 ppb (0) | 39.0 ppb (37) | 0.16 ppb (3) | 18.0 μg/m3 (17) | 1.0 μg/m3 (5) | 37.0 | |
| April 19, 2021, 1 a.m. | 3.7 ppb (4) | 0.6 ppb (1) | 3.3 ppb (4) | 3.0 ppb (3) | 3.0 ppb (3) | 0.0 ppb (0) | 44.0 ppb (41) | 0.14 ppb (2) | 17.0 μg/m3 (16) | 3.0 μg/m3 (13) | 41.0 | |
| April 19, 2021, midnight | 3.4 ppb (4) | 0.8 ppb (1) | 2.8 ppb (3) | 3.0 ppb (3) | 2.4 ppb (3) | 0.0 ppb (0) | 48.0 ppb (45) | 0.13 ppb (2) | 8.0 μg/m3 (8) | 4.0 μg/m3 (17) | 45.0 | |
| April 18, 2021, 11 p.m. | 2.5 ppb (3) | 0.6 ppb (1) | 2.1 ppb (2) | 2.0 ppb (2) | 1.9 ppb (2) | 0.0 ppb (0) | 50.0 ppb (47) | 0.13 ppb (2) | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 47.0 | |
| April 18, 2021, 10 p.m. | 2.6 ppb (3) | 0.5 ppb (1) | 2.4 ppb (3) | 2.0 ppb (2) | 2.1 ppb (2) | 0.0 ppb (0) | 53.0 ppb (50) | 0.13 ppb (2) | 9.0 μg/m3 (9) | 3.0 μg/m3 (13) | 50.0 | |
| April 18, 2021, 9 p.m. | 3.2 ppb (4) | 0.6 ppb (1) | 2.8 ppb (3) | 2.0 ppb (2) | 2.5 ppb (3) | 0.0 ppb (0) | 56.0 ppb (55) | 0.14 ppb (2) | 11.0 μg/m3 (11) | 3.0 μg/m3 (13) | 55.0 | |
| April 18, 2021, 8 p.m. | 3.7 ppb (4) | 0.8 ppb (1) | 3.0 ppb (3) | 3.0 ppb (3) | 2.8 ppb (3) | 0.0 ppb (0) | 55.0 ppb (51) | 0.14 ppb (2) | 12.0 μg/m3 (12) | 4.0 μg/m3 (17) | 51.0 | |
| April 18, 2021, 7 p.m. | 3.4 ppb (4) | 0.7 ppb (1) | 3.0 ppb (3) | 3.0 ppb (3) | 2.6 ppb (3) | 0.0 ppb (0) | 51.0 ppb (48) | 0.13 ppb (2) | 12.0 μg/m3 (12) | 2.0 μg/m3 (9) | 48.0 | |
| April 18, 2021, 6 p.m. | 3.7 ppb (4) | 1.1 ppb (2) | 3.1 ppb (3) | 3.0 ppb (3) | 2.6 ppb (3) | 0.0 ppb (0) | 47.0 ppb (44) | 0.13 ppb (2) | 7.0 μg/m3 (7) | 3.0 μg/m3 (13) | 44.0 | |
| April 18, 2021, 5 p.m. | 12.2 ppb (12) | 4.1 ppb (4) | 11.5 ppb (11) | 8.0 ppb (8) | 8.3 ppb (8) | 0.0 ppb (0) | 38.0 ppb (36) | 0.17 ppb (3) | 11.0 μg/m3 (11) | 5.0 μg/m3 (21) | 36.0 | |
| April 18, 2021, 4 p.m. | 17.5 ppb (17) | 6.6 ppb (7) | 16.6 ppb (16) | 11.0 ppb (11) | 11.3 ppb (11) | 0.0 ppb (0) | 30.0 ppb (28) | 0.2 ppb (3) | 22.0 μg/m3 (21) | 4.0 μg/m3 (17) | 28.0 | |
| April 18, 2021, 3 p.m. | 12.5 ppb (12) | 4.4 ppb (5) | 11.6 ppb (11) | 8.0 ppb (8) | 8.3 ppb (8) | 0.0 ppb (0) | 28.0 ppb (26) | 0.17 ppb (3) | 13.0 μg/m3 (13) | 4.0 μg/m3 (17) | 26.0 | |
| April 18, 2021, 2 p.m. | 15.2 ppb (15) | 4.2 ppb (4) | 14.2 ppb (14) | 11.0 ppb (11) | 11.1 ppb (11) | 0.0 ppb (0) | 22.0 ppb (21) | 0.18 ppb (3) | 14.0 μg/m3 (13) | 6.0 μg/m3 (25) | 25.0 | |
| April 18, 2021, 1 p.m. | 19.1 ppb (19) | 2.3 ppb (3) | 18.0 ppb (17) | 17.0 ppb (17) | 16.2 ppb (16) | 0.0 ppb (0) | 15.0 ppb (14) | 0.22 ppb (3) | 13.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| April 18, 2021, noon | 13.2 ppb (13) | 0.5 ppb (1) | 12.6 ppb (12) | 13.0 ppb (13) | 12.1 ppb (12) | 0.0 ppb (0) | 19.0 ppb (18) | 0.2 ppb (3) | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 18.0 | |
| April 18, 2021, 11 a.m. | 10.1 ppb (10) | 0.2 ppb (1) | 10.2 ppb (10) | 10.0 ppb (10) | 9.8 ppb (10) | 0.0 ppb (0) | 22.0 ppb (21) | 0.15 ppb (2) | 13.0 μg/m3 (13) | 4.0 μg/m3 (17) | 21.0 | |
| April 18, 2021, 10 a.m. | 9.6 ppb (10) | 0.2 ppb (1) | 9.2 ppb (9) | 9.0 ppb (9) | 9.0 ppb (9) | 0.0 ppb (0) | 24.0 ppb (23) | 0.17 ppb (3) | 15.0 μg/m3 (14) | 7.0 μg/m3 (30) | 30.0 | |
| April 18, 2021, 9 a.m. | 11.6 ppb (11) | 0.2 ppb (1) | 11.0 ppb (11) | 11.0 ppb (11) | 10.9 ppb (11) | 0.0 ppb (0) | 22.0 ppb (21) | 0.18 ppb (3) | 14.0 μg/m3 (13) | 6.0 μg/m3 (25) | 25.0 | |
| April 18, 2021, 8 a.m. | 19.2 ppb (19) | 0.9 ppb (1) | 17.9 ppb (17) | 18.0 ppb (17) | 17.5 ppb (17) | 0.0 ppb (0) | 16.0 ppb (15) | 0.28 ppb (4) | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 25.0 | |
| April 18, 2021, 7 a.m. | 31.3 ppb (30) | 2.6 ppb (3) | 30.0 ppb (29) | 29.0 ppb (28) | 28.3 ppb (27) | 0.0 ppb (0) | 6.0 ppb (6) | 0.47 ppb (6) | 34.0 μg/m3 (32) | 10.0 μg/m3 (42) | 42.0 | |
| April 18, 2021, 6 a.m. | 21.8 ppb (21) | 0.7 ppb (1) | 21.2 ppb (20) | 21.0 ppb (20) | 20.6 ppb (20) | 0.0 ppb (0) | 16.0 ppb (15) | 0.39 ppb (5) | 27.0 μg/m3 (25) | 7.0 μg/m3 (30) | 30.0 | |
| April 18, 2021, 5 a.m. | 21.8 ppb (21) | 0.8 ppb (1) | 20.8 ppb (20) | 21.0 ppb (20) | 20.2 ppb (20) | 0.0 ppb (0) | 19.0 ppb (18) | 0.35 ppb (4) | 21.0 μg/m3 (20) | 8.0 μg/m3 (34) | 34.0 | |
| April 18, 2021, 4 a.m. | 8.5 ppb (9) | 0.0 ppb (0) | 8.0 ppb (8) | 8.0 ppb (8) | 8.0 ppb (8) | 0.0 ppb (0) | 36.0 ppb (34) | 0.2 ppb (3) | 27.0 μg/m3 (25) | 6.0 μg/m3 (25) | 34.0 | |
| April 18, 2021, 3 a.m. | 10.4 ppb (10) | 0.3 ppb (1) | 9.5 ppb (9) | 10.0 ppb (10) | 9.3 ppb (9) | 0.0 ppb (0) | 36.0 ppb (34) | 0.21 ppb (3) | 32.0 μg/m3 (30) | 7.0 μg/m3 (30) | 34.0 | |
| April 18, 2021, 2 a.m. | 5.3 ppb (5) | 0.3 ppb (1) | 4.8 ppb (5) | 5.0 ppb (5) | 4.4 ppb (5) | 0.0 ppb (0) | 43.0 ppb (40) | 0.15 ppb (2) | 13.0 μg/m3 (13) | 5.0 μg/m3 (21) | 40.0 | |
| April 18, 2021, 1 a.m. | 4.4 ppb (5) | 0.6 ppb (1) | 4.0 ppb (4) | 4.0 ppb (4) | 3.6 ppb (4) | 0.0 ppb (0) | 46.0 ppb (43) | 0.13 ppb (2) | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 43.0 | |
| April 18, 2021, midnight | 4.2 ppb (4) | 0.9 ppb (1) | 3.8 ppb (4) | 3.0 ppb (3) | 3.2 ppb (4) | 0.0 ppb (0) | 46.0 ppb (43) | 0.13 ppb (2) | 24.0 μg/m3 (23) | 5.0 μg/m3 (21) | 43.0 | |
| April 17, 2021, 11 p.m. | 3.7 ppb (4) | 0.9 ppb (1) | 3.4 ppb (4) | 3.0 ppb (3) | 2.6 ppb (3) | 0.0 ppb (0) | 46.0 ppb (43) | 0.12 ppb (2) | 91.0 μg/m3 (69) | 6.0 μg/m3 (25) | 69.0 | |
| April 17, 2021, 10 p.m. | 3.9 ppb (4) | 1.1 ppb (2) | 3.6 ppb (4) | 3.0 ppb (3) | 2.7 ppb (3) | 0.0 ppb (0) | 46.0 ppb (43) | 0.11 ppb (2) | 60.0 μg/m3 (54) | 7.0 μg/m3 (30) | 54.0 | |
| April 17, 2021, 9 p.m. | 4.4 ppb (5) | 1.2 ppb (2) | 4.0 ppb (4) | 3.0 ppb (3) | 3.2 ppb (4) | 0.0 ppb (0) | 46.0 ppb (43) | 0.12 ppb (2) | 39.0 μg/m3 (37) | 5.0 μg/m3 (21) | 43.0 | |
| April 17, 2021, 8 p.m. | 4.7 ppb (5) | 1.3 ppb (2) | 4.2 ppb (4) | 3.0 ppb (3) | 3.3 ppb (4) | 0.0 ppb (0) | 46.0 ppb (43) | 0.12 ppb (2) | 37.0 μg/m3 (35) | 5.0 μg/m3 (21) | 43.0 | |
| April 17, 2021, 7 p.m. | 4.4 ppb (5) | 1.3 ppb (2) | 4.1 ppb (4) | 3.0 ppb (3) | 3.1 ppb (3) | 0.0 ppb (0) | 45.0 ppb (42) | 0.12 ppb (2) | 24.0 μg/m3 (23) | 2.0 μg/m3 (9) | 42.0 | |
| April 17, 2021, 6 p.m. | 4.6 ppb (5) | 1.3 ppb (2) | 4.3 ppb (5) | 3.0 ppb (3) | 3.3 ppb (4) | 0.0 ppb (0) | 43.0 ppb (40) | 0.13 ppb (2) | 23.0 μg/m3 (22) | 4.0 μg/m3 (17) | 40.0 | |
| April 17, 2021, 5 p.m. | 6.1 ppb (6) | 1.9 ppb (2) | 5.9 ppb (6) | 4.0 ppb (4) | 4.4 ppb (5) | 0.0 ppb (0) | 41.0 ppb (38) | 0.12 ppb (2) | 32.0 μg/m3 (30) | 7.0 μg/m3 (30) | 38.0 | |
| April 17, 2021, 4 p.m. | 15.4 ppb (15) | 5.6 ppb (6) | 14.9 ppb (15) | 10.0 ppb (10) | 10.2 ppb (10) | 0.0 ppb (0) | 33.0 ppb (31) | 0.21 ppb (3) | 23.0 μg/m3 (22) | 7.0 μg/m3 (30) | 31.0 | |
| April 17, 2021, 3 p.m. | 33.8 ppb (32) | 14.3 ppb (14) | 33.0 ppb (32) | 19.0 ppb (18) | 20.3 ppb (20) | 0.0 ppb (0) | 20.0 ppb (19) | 0.36 ppb (5) | 67.0 μg/m3 (57) | 10.0 μg/m3 (42) | 57.0 | |
| April 17, 2021, 2 p.m. | 26.0 ppb (25) | 9.1 ppb (9) | 25.5 ppb (25) | 17.0 ppb (17) | 17.6 ppb (17) | 0.0 ppb (0) | 14.0 ppb (13) | 0.33 ppb (4) | 29.0 μg/m3 (27) | 14.0 μg/m3 (55) | 55.0 | |
| April 17, 2021, 1 p.m. | 23.8 ppb (23) | 3.4 ppb (4) | 22.9 ppb (22) | 20.0 ppb (19) | 20.2 ppb (20) | 0.0 ppb (0) | 9.0 ppb (9) | 0.31 ppb (4) | 25.0 μg/m3 (24) | 14.0 μg/m3 (55) | 55.0 | |
| April 17, 2021, noon | 19.4 ppb (19) | 1.6 ppb (2) | 19.1 ppb (19) | 18.0 ppb (17) | 17.8 ppb (17) | 0.0 ppb (0) | 11.0 ppb (11) | 0.28 ppb (4) | 28.0 μg/m3 (26) | 15.0 μg/m3 (58) | 58.0 | |
| April 17, 2021, 11 a.m. | 15.4 ppb (15) | 1.1 ppb (2) | 14.4 ppb (14) | 14.0 ppb (14) | 13.9 ppb (14) | 0.0 ppb (0) | 17.0 ppb (16) | 0.29 ppb (4) | 27.0 μg/m3 (25) | 13.0 μg/m3 (53) | 53.0 | |
| April 17, 2021, 10 a.m. | 21.2 ppb (20) | 1.4 ppb (2) | 19.6 ppb (19) | 20.0 ppb (19) | 18.7 ppb (18) | 0.0 ppb (0) | 12.0 ppb (12) | 0.36 ppb (5) | 34.0 μg/m3 (32) | 18.0 μg/m3 (64) | 64.0 | |
| April 17, 2021, 9 a.m. | 18.9 ppb (18) | 1.2 ppb (2) | 17.9 ppb (17) | 18.0 ppb (17) | 17.5 ppb (17) | 0.0 ppb (0) | 14.0 ppb (13) | 0.47 ppb (6) | 27.0 μg/m3 (25) | 18.0 μg/m3 (64) | 64.0 | |
| April 17, 2021, 8 a.m. | 16.7 ppb (16) | 0.7 ppb (1) | 16.3 ppb (16) | 16.0 ppb (16) | 16.0 ppb (16) | 0.0 ppb (0) | 18.0 ppb (17) | 0.29 ppb (4) | 20.0 μg/m3 (19) | 9.0 μg/m3 (38) | 38.0 | |
| April 17, 2021, 7 a.m. | 17.6 ppb (17) | 0.5 ppb (1) | 16.6 ppb (16) | 17.0 ppb (17) | 16.4 ppb (16) | 1.0 ppb (2) | 20.0 ppb (19) | 0.27 ppb (4) | 17.0 μg/m3 (16) | 6.0 μg/m3 (25) | 25.0 | |
| April 17, 2021, 6 a.m. | 10.7 ppb (11) | 0.1 ppb (1) | 9.5 ppb (9) | 10.0 ppb (10) | 9.4 ppb (9) | 0.0 ppb (0) | 32.0 ppb (30) | 0.19 ppb (3) | 10.0 μg/m3 (10) | 5.0 μg/m3 (21) | 30.0 | |
| April 17, 2021, 5 a.m. | 13.3 ppb (13) | 0.1 ppb (1) | 12.6 ppb (12) | 13.0 ppb (13) | 12.4 ppb (12) | 0.0 ppb (0) | 28.0 ppb (26) | 0.23 ppb (3) | 17.0 μg/m3 (16) | 3.0 μg/m3 (13) | 26.0 | |
| April 17, 2021, 4 a.m. | 16.8 ppb (16) | 1.0 ppb (1) | 15.2 ppb (15) | 16.0 ppb (16) | 14.8 ppb (14) | 0.0 ppb (0) | 26.0 ppb (25) | 0.25 ppb (3) | 17.0 μg/m3 (16) | 5.0 μg/m3 (21) | 25.0 | |
| April 17, 2021, 3 a.m. | 10.5 ppb (10) | 0.1 ppb (1) | 9.8 ppb (10) | 10.0 ppb (10) | 9.5 ppb (9) | 0.0 ppb (0) | 34.0 ppb (32) | 0.22 ppb (3) | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 32.0 | |
| April 17, 2021, 2 a.m. | 5.4 ppb (6) | 0.2 ppb (1) | 5.0 ppb (5) | 5.0 ppb (5) | 4.8 ppb (5) | 0.0 ppb (0) | 42.0 ppb (39) | 0.16 ppb (3) | 15.0 μg/m3 (14) | 2.0 μg/m3 (9) | 39.0 | |
| April 17, 2021, 1 a.m. | 3.8 ppb (4) | 0.4 ppb (1) | 3.6 ppb (4) | 3.0 ppb (3) | 3.2 ppb (4) | 0.0 ppb (0) | 46.0 ppb (43) | 0.14 ppb (2) | 18.0 μg/m3 (17) | 2.0 μg/m3 (9) | 43.0 | |
| April 17, 2021, midnight | 4.3 ppb (5) | 0.7 ppb (1) | 4.0 ppb (4) | 4.0 ppb (4) | 3.4 ppb (4) | 0.0 ppb (0) | 45.0 ppb (42) | 0.14 ppb (2) | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 42.0 | |
| April 16, 2021, 11 p.m. | 6.7 ppb (7) | 1.6 ppb (2) | 5.9 ppb (6) | 5.0 ppb (5) | 4.8 ppb (5) | 0.0 ppb (0) | 42.0 ppb (39) | 0.14 ppb (2) | 22.0 μg/m3 (21) | 4.0 μg/m3 (17) | 39.0 | |
| April 16, 2021, 10 p.m. | 5.2 ppb (5) | 1.1 ppb (2) | 4.6 ppb (5) | 4.0 ppb (4) | 3.6 ppb (4) | 0.0 ppb (0) | 43.0 ppb (40) | 0.14 ppb (2) | 15.0 μg/m3 (14) | 3.0 μg/m3 (13) | 40.0 | |
| April 16, 2021, 9 p.m. | 4.2 ppb (4) | 1.0 ppb (1) | 3.5 ppb (4) | 3.0 ppb (3) | 2.9 ppb (3) | 0.0 ppb (0) | 44.0 ppb (41) | 0.13 ppb (2) | 20.0 μg/m3 (19) | 3.0 μg/m3 (13) | 41.0 | |
| April 16, 2021, 8 p.m. | 3.3 ppb (4) | 0.9 ppb (1) | 2.5 ppb (3) | 2.0 ppb (2) | 2.2 ppb (3) | 0.0 ppb (0) | 45.0 ppb (42) | 0.13 ppb (2) | 15.0 μg/m3 (14) | 5.0 μg/m3 (21) | 42.0 | |
| April 16, 2021, 7 p.m. | 4.0 ppb (4) | 1.0 ppb (1) | 3.8 ppb (4) | 3.0 ppb (3) | 3.1 ppb (3) | 0.0 ppb (0) | 43.0 ppb (40) | 0.14 ppb (2) | 28.0 μg/m3 (26) | 7.0 μg/m3 (30) | 40.0 | |
| April 16, 2021, 6 p.m. | 7.7 ppb (8) | 2.4 ppb (3) | 7.4 ppb (7) | 5.0 ppb (5) | 5.5 ppb (6) | 0.0 ppb (0) | 39.0 ppb (37) | 0.15 ppb (2) | 21.0 μg/m3 (20) | 4.0 μg/m3 (17) | 37.0 | |
| April 16, 2021, 5 p.m. | 26.9 ppb (26) | 11.1 ppb (11) | 26.0 ppb (25) | 16.0 ppb (16) | 16.6 ppb (16) | 1.0 ppb (2) | 28.0 ppb (26) | 0.27 ppb (4) | 44.0 μg/m3 (41) | 7.0 μg/m3 (30) | 41.0 | |
| April 16, 2021, 4 p.m. | 28.4 ppb (27) | 12.8 ppb (13) | 28.1 ppb (27) | 16.0 ppb (16) | 16.6 ppb (16) | 0.0 ppb (0) | 23.0 ppb (22) | 0.3 ppb (4) | 39.0 μg/m3 (37) | 10.0 μg/m3 (42) | 42.0 | |
| April 16, 2021, 3 p.m. | 59.3 ppb (57) | 32.6 ppb (31) | 58.6 ppb (56) | 27.0 ppb (26) | 28.2 ppb (27) | 1.0 ppb (2) | 12.0 ppb (12) | 0.49 ppb (6) | 64.0 μg/m3 (56) | 11.0 μg/m3 (46) | 57.0 | |
| April 16, 2021, 2 p.m. | 31.4 ppb (30) | 12.6 ppb (12) | 30.3 ppb (29) | 19.0 ppb (18) | 19.3 ppb (19) | 0.0 ppb (0) | 13.0 ppb (13) | 0.32 ppb (4) | 24.0 μg/m3 (23) | 5.0 μg/m3 (21) | 30.0 | |
| April 16, 2021, 1 p.m. | 20.9 ppb (20) | 3.4 ppb (4) | 20.0 ppb (19) | 17.0 ppb (17) | 17.1 ppb (17) | 0.0 ppb (0) | 12.0 ppb (12) | 0.23 ppb (3) | 32.0 μg/m3 (30) | 9.0 μg/m3 (38) | 38.0 | |
| April 16, 2021, noon | 13.2 ppb (13) | 0.7 ppb (1) | 12.5 ppb (12) | 12.0 ppb (12) | 12.0 ppb (12) | 0.0 ppb (0) | 17.0 ppb (16) | 0.2 ppb (3) | 18.0 μg/m3 (17) | 7.0 μg/m3 (30) | 30.0 | |
| April 16, 2021, 11 a.m. | 15.0 ppb (15) | 0.8 ppb (1) | 14.1 ppb (14) | 14.0 ppb (14) | 13.6 ppb (13) | 0.0 ppb (0) | 16.0 ppb (15) | 0.17 ppb (3) | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 21.0 | |
| April 16, 2021, 10 a.m. | 9.8 ppb (10) | 0.5 ppb (1) | 9.1 ppb (9) | 9.0 ppb (9) | 8.7 ppb (9) | 0.0 ppb (0) | 23.0 ppb (22) | 0.17 ppb (3) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 22.0 | |
| April 16, 2021, 9 a.m. | 10.6 ppb (10) | 0.3 ppb (1) | 9.6 ppb (10) | 10.0 ppb (10) | 9.6 ppb (10) | 0.0 ppb (0) | 22.0 ppb (21) | 0.17 ppb (3) | 16.0 μg/m3 (15) | 7.0 μg/m3 (30) | 30.0 | |
| April 16, 2021, 8 a.m. | 21.1 ppb (20) | 0.7 ppb (1) | 17.1 ppb (17) | 20.0 ppb (19) | 16.9 ppb (16) | 0.0 ppb (0) | 10.0 ppb (10) | 0.26 ppb (4) | 25.0 μg/m3 (24) | 8.0 μg/m3 (34) | 34.0 | |
| April 16, 2021, 7 a.m. | 18.9 ppb (18) | 0.7 ppb (1) | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.25 ppb (3) | 17.0 μg/m3 (16) | 7.0 μg/m3 (30) | 30.0 | |
| April 16, 2021, 6 a.m. | 10.2 ppb (10) | 0.0 ppb (0) | 9.9 ppb (10) | 10.0 ppb (10) | 9.9 ppb (10) | 0.0 ppb (0) | 26.0 ppb (25) | 0.17 ppb (3) | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| April 16, 2021, 5 a.m. | 11.8 ppb (12) | 0.2 ppb (1) | 11.3 ppb (11) | 12.0 ppb (12) | 11.1 ppb (11) | 0.0 ppb (0) | 27.0 ppb (25) | 0.17 ppb (3) | 22.0 μg/m3 (21) | 6.0 μg/m3 (25) | 25.0 | |
| April 16, 2021, 4 a.m. | 12.3 ppb (12) | 0.2 ppb (1) | 11.7 ppb (12) | 12.0 ppb (12) | 11.5 ppb (11) | 0.0 ppb (0) | 28.0 ppb (26) | 0.19 ppb (3) | 20.0 μg/m3 (19) | 7.0 μg/m3 (30) | 30.0 | |
| April 16, 2021, 3 a.m. | 7.2 ppb (7) | 0.0 ppb (0) | 6.8 ppb (7) | 7.0 ppb (7) | 6.7 ppb (7) | 0.0 ppb (0) | 34.0 ppb (32) | 0.17 ppb (3) | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 32.0 | |
| April 16, 2021, 2 a.m. | 4.5 ppb (5) | 0.0 ppb (0) | 4.4 ppb (5) | 4.0 ppb (4) | 4.3 ppb (5) | 0.0 ppb (0) | 39.0 ppb (37) | 0.15 ppb (2) | 22.0 μg/m3 (21) | 5.0 μg/m3 (21) | 37.0 | |
| April 16, 2021, 1 a.m. | 3.8 ppb (4) | 0.2 ppb (1) | 3.6 ppb (4) | 4.0 ppb (4) | 3.4 ppb (4) | 0.0 ppb (0) | 41.0 ppb (38) | 0.15 ppb (2) | 19.0 μg/m3 (18) | 4.0 μg/m3 (17) | 38.0 | |
| April 16, 2021, midnight | 3.5 ppb (4) | 0.3 ppb (1) | 3.4 ppb (4) | 3.0 ppb (3) | 3.1 ppb (3) | 0.0 ppb (0) | 42.0 ppb (39) | 0.15 ppb (2) | 22.0 μg/m3 (21) | 3.0 μg/m3 (13) | 39.0 | |
| April 15, 2021, 11 p.m. | 2.9 ppb (3) | 0.4 ppb (1) | 2.7 ppb (3) | 2.0 ppb (2) | 2.3 ppb (3) | 0.0 ppb (0) | 44.0 ppb (41) | 0.13 ppb (2) | 16.0 μg/m3 (15) | 4.0 μg/m3 (17) | 41.0 | |
| April 15, 2021, 10 p.m. | 3.3 ppb (4) | 0.5 ppb (1) | 3.1 ppb (3) | 3.0 ppb (3) | 2.7 ppb (3) | 0.0 ppb (0) | 44.0 ppb (41) | 0.13 ppb (2) | 18.0 μg/m3 (17) | 4.0 μg/m3 (17) | 41.0 | |
| April 15, 2021, 9 p.m. | 3.0 ppb (3) | 0.4 ppb (1) | 3.1 ppb (3) | 3.0 ppb (3) | 2.7 ppb (3) | 0.0 ppb (0) | 43.0 ppb (40) | 0.13 ppb (2) | 22.0 μg/m3 (21) | 4.0 μg/m3 (17) | 40.0 | |
| April 15, 2021, 8 p.m. | 2.4 ppb (3) | 0.3 ppb (1) | 2.5 ppb (3) | 2.0 ppb (2) | 2.1 ppb (2) | 0.0 ppb (0) | 46.0 ppb (43) | 0.13 ppb (2) | 11.0 μg/m3 (11) | 4.0 μg/m3 (17) | 43.0 | |
| April 15, 2021, 7 p.m. | 2.2 ppb (3) | 0.3 ppb (1) | 2.3 ppb (3) | 2.0 ppb (2) | 2.0 ppb (2) | 0.0 ppb (0) | 45.0 ppb (42) | 0.13 ppb (2) | 13.0 μg/m3 (13) | 4.0 μg/m3 (17) | 42.0 | |
| April 15, 2021, 6 p.m. | 6.4 ppb (7) | 1.8 ppb (2) | 6.2 ppb (6) | 5.0 ppb (5) | 4.7 ppb (5) | 0.0 ppb (0) | 42.0 ppb (39) | 0.15 ppb (2) | 20.0 μg/m3 (19) | 4.0 μg/m3 (17) | 39.0 | |
| April 15, 2021, 5 p.m. | 14.9 ppb (15) | 5.1 ppb (5) | 14.2 ppb (14) | 10.0 ppb (10) | 10.0 ppb (10) | 0.0 ppb (0) | 34.0 ppb (32) | 0.2 ppb (3) | 27.0 μg/m3 (25) | 5.0 μg/m3 (21) | 32.0 | |
| April 15, 2021, 4 p.m. | 17.8 ppb (17) | 6.8 ppb (7) | 16.9 ppb (16) | 11.0 ppb (11) | 11.6 ppb (11) | 0.0 ppb (0) | 30.0 ppb (28) | 0.23 ppb (3) | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 28.0 | |
| April 15, 2021, 3 p.m. | 28.7 ppb (28) | 12.2 ppb (12) | 26.9 ppb (26) | 17.0 ppb (17) | 16.6 ppb (16) | 0.0 ppb (0) | 21.0 ppb (20) | 0.25 ppb (3) | 30.0 μg/m3 (28) | 6.0 μg/m3 (25) | 28.0 | |
| April 15, 2021, 2 p.m. | 53.7 ppb (51) | 27.8 ppb (27) | 50.4 ppb (48) | 26.0 ppb (25) | 25.8 ppb (25) | 1.0 ppb (2) | 10.0 ppb (10) | 0.47 ppb (6) | 39.0 μg/m3 (37) | 7.0 μg/m3 (30) | 51.0 | |
| April 15, 2021, 1 p.m. | 59.5 ppb (57) | 27.5 ppb (26) | 52.6 ppb (50) | 32.0 ppb (31) | 32.9 ppb (32) | 1.0 ppb (2) | 1.0 ppb (1) | 0.54 ppb (6) | 32.0 μg/m3 (30) | 5.0 μg/m3 (21) | 57.0 | |
| April 15, 2021, noon | 38.7 ppb (37) | 9.3 ppb (9) | 37.4 ppb (36) | 29.0 ppb (28) | 29.3 ppb (28) | 0.0 ppb (0) | 3.0 ppb (3) | 0.45 ppb (6) | 18.0 μg/m3 (17) | 4.0 μg/m3 (17) | 37.0 | |
| April 15, 2021, 11 a.m. | 39.4 ppb (38) | 9.7 ppb (10) | 33.2 ppb (32) | 30.0 ppb (29) | 27.6 ppb (27) | 0.0 ppb (0) | 4.0 ppb (4) | 0.34 ppb (4) | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 38.0 | |
| April 15, 2021, 10 a.m. | 38.6 ppb (37) | 8.3 ppb (8) | 40.6 ppb (39) | 30.0 ppb (29) | 31.7 ppb (30) | 0.0 ppb (0) | 3.0 ppb (3) | 0.33 ppb (4) | 20.0 μg/m3 (19) | 7.0 μg/m3 (30) | 39.0 | |
| April 15, 2021, 9 a.m. | 17.8 ppb (17) | 1.0 ppb (1) | 17.2 ppb (17) | 17.0 ppb (17) | 16.4 ppb (16) | 0.0 ppb (0) | 12.0 ppb (12) | 0.25 ppb (3) | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 17.0 | |
| April 15, 2021, 8 a.m. | 10.0 ppb (10) | 0.2 ppb (1) | 9.5 ppb (9) | 10.0 ppb (10) | 9.4 ppb (9) | 0.0 ppb (0) | 23.0 ppb (22) | 0.16 ppb (3) | 14.0 μg/m3 (13) | 2.0 μg/m3 (9) | 22.0 | |
| April 15, 2021, 7 a.m. | 7.6 ppb (8) | 0.1 ppb (1) | 7.0 ppb (7) | 7.0 ppb (7) | 6.8 ppb (7) | 0.0 ppb (0) | 28.0 ppb (26) | 0.15 ppb (2) | 12.0 μg/m3 (12) | 4.0 μg/m3 (17) | 26.0 | |
| April 15, 2021, 6 a.m. | 5.7 ppb (6) | 0.0 ppb (0) | 5.5 ppb (6) | 6.0 ppb (6) | 5.4 ppb (6) | 0.0 ppb (0) | 32.0 ppb (30) | 0.15 ppb (2) | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 30.0 | |
| April 15, 2021, 5 a.m. | 6.0 ppb (6) | 0.1 ppb (1) | 5.8 ppb (6) | 6.0 ppb (6) | 5.7 ppb (6) | 0.0 ppb (0) | 33.0 ppb (31) | 0.16 ppb (3) | 12.0 μg/m3 (12) | 3.0 μg/m3 (13) | 31.0 | |
| April 15, 2021, 4 a.m. | 12.7 ppb (12) | 0.4 ppb (1) | 12.2 ppb (12) | 12.0 ppb (12) | 11.8 ppb (12) | 0.0 ppb (0) | 26.0 ppb (25) | 0.22 ppb (3) | 18.0 μg/m3 (17) | 3.0 μg/m3 (13) | 25.0 | |
| April 15, 2021, 3 a.m. | 10.9 ppb (11) | 0.2 ppb (1) | 10.0 ppb (10) | 11.0 ppb (11) | 9.7 ppb (10) | 0.0 ppb (0) | 30.0 ppb (28) | 0.2 ppb (3) | 22.0 μg/m3 (21) | 4.0 μg/m3 (17) | 28.0 | |
| April 15, 2021, 2 a.m. | 3.9 ppb (4) | 0.1 ppb (1) | 3.6 ppb (4) | 4.0 ppb (4) | 3.4 ppb (4) | 0.0 ppb (0) | 39.0 ppb (37) | 0.14 ppb (2) | 14.0 μg/m3 (13) | 4.0 μg/m3 (17) | 37.0 | |
| April 15, 2021, 1 a.m. | 3.4 ppb (4) | 0.2 ppb (1) | 3.3 ppb (4) | 3.0 ppb (3) | 3.0 ppb (3) | 0.0 ppb (0) | 40.0 ppb (38) | 0.14 ppb (2) | 17.0 μg/m3 (16) | 2.0 μg/m3 (9) | 38.0 | |
| April 15, 2021, midnight | 4.3 ppb (5) | 0.7 ppb (1) | 4.1 ppb (4) | 4.0 ppb (4) | 3.4 ppb (4) | 0.0 ppb (0) | 40.0 ppb (38) | 0.14 ppb (2) | 15.0 μg/m3 (14) | -1.0 μg/m3 (0) | 38.0 | |
| April 14, 2021, 11 p.m. | 4.7 ppb (5) | 1.0 ppb (1) | 4.2 ppb (4) | 4.0 ppb (4) | 3.4 ppb (4) | 0.0 ppb (0) | 40.0 ppb (38) | 0.13 ppb (2) | 16.0 μg/m3 (15) | 1.0 μg/m3 (5) | 38.0 | |
| April 14, 2021, 10 p.m. | 3.4 ppb (4) | 0.7 ppb (1) | 3.2 ppb (4) | 3.0 ppb (3) | 2.6 ppb (3) | 0.0 ppb (0) | 41.0 ppb (38) | 0.13 ppb (2) | 19.0 μg/m3 (18) | 2.0 μg/m3 (9) | 38.0 | |
| April 14, 2021, 9 p.m. | 2.8 ppb (3) | 0.6 ppb (1) | 3.0 ppb (3) | 2.0 ppb (2) | 2.4 ppb (3) | 0.0 ppb (0) | 41.0 ppb (38) | 0.13 ppb (2) | 17.0 μg/m3 (16) | 3.0 μg/m3 (13) | 38.0 | |
| April 14, 2021, 8 p.m. | 3.4 ppb (4) | 0.8 ppb (1) | 3.2 ppb (4) | 3.0 ppb (3) | 2.6 ppb (3) | 0.0 ppb (0) | 41.0 ppb (38) | 0.13 ppb (2) | 17.0 μg/m3 (16) | 4.0 μg/m3 (17) | 38.0 | |
| April 14, 2021, 7 p.m. | 4.0 ppb (4) | 0.9 ppb (1) | 3.9 ppb (4) | 3.0 ppb (3) | 3.1 ppb (3) | 0.0 ppb (0) | 39.0 ppb (37) | 0.13 ppb (2) | 17.0 μg/m3 (16) | 6.0 μg/m3 (25) | 37.0 | |
| April 14, 2021, 6 p.m. | 4.0 ppb (4) | 0.9 ppb (1) | 3.9 ppb (4) | 3.0 ppb (3) | 3.2 ppb (4) | 0.0 ppb (0) | 39.0 ppb (37) | 0.13 ppb (2) | 16.0 μg/m3 (15) | 7.0 μg/m3 (30) | 37.0 | |
| April 14, 2021, 5 p.m. | 3.8 ppb (4) | 1.0 ppb (1) | 3.4 ppb (4) | 3.0 ppb (3) | 2.7 ppb (3) | 0.0 ppb (0) | 39.0 ppb (37) | 0.12 ppb (2) | 19.0 μg/m3 (18) | 3.0 μg/m3 (13) | 37.0 | |
| April 14, 2021, 4 p.m. | 3.6 ppb (4) | 0.9 ppb (1) | 3.4 ppb (4) | 3.0 ppb (3) | 2.6 ppb (3) | 0.0 ppb (0) | 37.0 ppb (35) | 0.12 ppb (2) | 24.0 μg/m3 (23) | 2.0 μg/m3 (9) | 35.0 | |
| April 14, 2021, 3 p.m. | 6.8 ppb (7) | 1.4 ppb (2) | 6.4 ppb (7) | 5.0 ppb (5) | 5.3 ppb (5) | 0.0 ppb (0) | 32.0 ppb (30) | 0.14 ppb (2) | 30.0 μg/m3 (28) | 2.0 μg/m3 (9) | 30.0 | |
| April 14, 2021, 2 p.m. | 7.3 ppb (7) | 1.0 ppb (1) | 6.7 ppb (7) | 6.0 ppb (6) | 6.0 ppb (6) | 0.0 ppb (0) | 32.0 ppb (30) | 0.15 ppb (2) | 24.0 μg/m3 (23) | 3.0 μg/m3 (13) | 30.0 | |
| April 14, 2021, 1 p.m. | 6.8 ppb (7) | 0.4 ppb (1) | 6.5 ppb (7) | 6.0 ppb (6) | 6.0 ppb (6) | 0.0 ppb (0) | 31.0 ppb (29) | 0.14 ppb (2) | 27.0 μg/m3 (25) | 5.0 μg/m3 (21) | 29.0 | |
| April 14, 2021, noon | 4.1 ppb (4) | 0.1 ppb (1) | 3.9 ppb (4) | 4.0 ppb (4) | 3.8 ppb (4) | 0.0 ppb (0) | 32.0 ppb (30) | 0.12 ppb (2) | 32.0 μg/m3 (30) | 6.0 μg/m3 (25) | 30.0 | |
| April 14, 2021, 11 a.m. | 5.0 ppb (5) | 0.2 ppb (1) | 4.9 ppb (5) | 5.0 ppb (5) | 4.7 ppb (5) | 0.0 ppb (0) | 29.0 ppb (27) | 0.12 ppb (2) | 27.0 μg/m3 (25) | 3.0 μg/m3 (13) | 27.0 | |
| April 14, 2021, 10 a.m. | 3.9 ppb (4) | 0.2 ppb (1) | 3.6 ppb (4) | 4.0 ppb (4) | 3.5 ppb (4) | 0.0 ppb (0) | 34.0 ppb (32) | 0.11 ppb (2) | 20.0 μg/m3 (19) | 2.0 μg/m3 (9) | 32.0 | |
| April 14, 2021, 9 a.m. | 3.9 ppb (4) | 0.0 ppb (0) | 3.9 ppb (4) | 4.0 ppb (4) | 3.9 ppb (4) | 0.0 ppb (0) | 31.0 ppb (29) | 0.12 ppb (2) | 14.0 μg/m3 (13) | 3.0 μg/m3 (13) | 29.0 | |
| April 14, 2021, 8 a.m. | 3.1 ppb (3) | 0.0 ppb (0) | 3.1 ppb (3) | 3.0 ppb (3) | 3.1 ppb (3) | 0.0 ppb (0) | 37.0 ppb (35) | 0.11 ppb (2) | 26.0 μg/m3 (25) | 5.0 μg/m3 (21) | 35.0 | |
| April 14, 2021, 7 a.m. | 4.5 ppb (5) | 0.1 ppb (1) | 4.4 ppb (5) | 4.0 ppb (4) | 4.2 ppb (4) | 0.0 ppb (0) | 35.0 ppb (33) | 0.11 ppb (2) | 19.0 μg/m3 (18) | 7.0 μg/m3 (30) | 33.0 | |
| April 14, 2021, 6 a.m. | 4.8 ppb (5) | 0.7 ppb (1) | 4.5 ppb (5) | 4.0 ppb (4) | 4.2 ppb (4) | 0.0 ppb (0) | 34.0 ppb (32) | 0.12 ppb (2) | 15.0 μg/m3 (14) | 5.0 μg/m3 (21) | 32.0 | |
| April 14, 2021, 5 a.m. | 7.1 ppb (7) | 0.1 ppb (1) | 6.9 ppb (7) | 7.0 ppb (7) | 6.7 ppb (7) | 0.0 ppb (0) | 33.0 ppb (31) | 0.15 ppb (2) | 20.0 μg/m3 (19) | 4.0 μg/m3 (17) | 31.0 | |
| April 14, 2021, 4 a.m. | 2.9 ppb (3) | 0.0 ppb (0) | 2.9 ppb (3) | 3.0 ppb (3) | 2.8 ppb (3) | 0.0 ppb (0) | 37.0 ppb (35) | 0.12 ppb (2) | 11.0 μg/m3 (11) | 0.0 μg/m3 (0) | 35.0 | |
| April 14, 2021, 3 a.m. | 3.4 ppb (4) | 0.1 ppb (1) | 3.3 ppb (4) | 3.0 ppb (3) | 3.2 ppb (4) | 0.0 ppb (0) | 36.0 ppb (34) | 0.12 ppb (2) | 9.0 μg/m3 (9) | 1.0 μg/m3 (5) | 34.0 | |
| April 14, 2021, 2 a.m. | 4.2 ppb (4) | 0.2 ppb (1) | 4.0 ppb (4) | 4.0 ppb (4) | 3.9 ppb (4) | 0.0 ppb (0) | 35.0 ppb (33) | 0.13 ppb (2) | 10.0 μg/m3 (10) | 3.0 μg/m3 (13) | 33.0 | |
| April 14, 2021, 1 a.m. | 3.4 ppb (4) | 0.2 ppb (1) | 3.2 ppb (4) | 3.0 ppb (3) | 3.0 ppb (3) | 0.0 ppb (0) | 38.0 ppb (36) | 0.12 ppb (2) | 12.0 μg/m3 (12) | 4.0 μg/m3 (17) | 36.0 | |
| April 14, 2021, midnight | 3.3 ppb (4) | 0.0 ppb (0) | 3.3 ppb (4) | 3.0 ppb (3) | 3.2 ppb (4) | 0.0 ppb (0) | 40.0 ppb (38) | 0.12 ppb (2) | 12.0 μg/m3 (12) | 4.0 μg/m3 (17) | 38.0 | |
| April 13, 2021, 11 p.m. | 2.3 ppb (3) | 0.1 ppb (1) | 2.4 ppb (3) | 2.0 ppb (2) | 2.3 ppb (3) | 0.0 ppb (0) | 41.0 ppb (38) | 0.12 ppb (2) | 15.0 μg/m3 (14) | 5.0 μg/m3 (21) | 38.0 | |
| April 13, 2021, 10 p.m. | 4.4 ppb (5) | 0.8 ppb (1) | 4.2 ppb (4) | 4.0 ppb (4) | 3.7 ppb (4) | 0.0 ppb (0) | 41.0 ppb (38) | 0.12 ppb (2) | 27.0 μg/m3 (25) | 3.0 μg/m3 (13) | 38.0 | |
| April 13, 2021, 9 p.m. | 5.8 ppb (6) | 1.7 ppb (2) | 5.3 ppb (5) | 4.0 ppb (4) | 4.0 ppb (4) | 0.0 ppb (0) | 40.0 ppb (38) | 0.12 ppb (2) | 30.0 μg/m3 (28) | 2.0 μg/m3 (9) | 38.0 | |
| April 13, 2021, 8 p.m. | 4.6 ppb (5) | 1.4 ppb (2) | 4.5 ppb (5) | 3.0 ppb (3) | 3.4 ppb (4) | 0.0 ppb (0) | 41.0 ppb (38) | 0.12 ppb (2) | 35.0 μg/m3 (33) | 2.0 μg/m3 (9) | 38.0 | |
| April 13, 2021, 7 p.m. | 4.3 ppb (5) | 1.2 ppb (2) | 4.1 ppb (4) | 3.0 ppb (3) | 3.2 ppb (4) | 0.0 ppb (0) | 41.0 ppb (38) | 0.13 ppb (2) | 25.0 μg/m3 (24) | 2.0 μg/m3 (9) | 38.0 | |
| April 13, 2021, 6 p.m. | 5.0 ppb (5) | 1.3 ppb (2) | 5.0 ppb (5) | 4.0 ppb (4) | 3.9 ppb (4) | 0.0 ppb (0) | 40.0 ppb (38) | 0.13 ppb (2) | 25.0 μg/m3 (24) | 3.0 μg/m3 (13) | 38.0 | |
| April 13, 2021, 5 p.m. | 6.7 ppb (7) | 2.0 ppb (2) | 6.5 ppb (7) | 5.0 ppb (5) | 4.7 ppb (5) | 0.0 ppb (0) | 38.0 ppb (36) | 0.13 ppb (2) | 25.0 μg/m3 (24) | 4.0 μg/m3 (17) | 36.0 | |
| April 13, 2021, 4 p.m. | 10.5 ppb (10) | 3.1 ppb (3) | 10.2 ppb (10) | 7.0 ppb (7) | 7.5 ppb (8) | 0.0 ppb (0) | 35.0 ppb (33) | 0.17 ppb (3) | 38.0 μg/m3 (36) | 6.0 μg/m3 (25) | 36.0 | |
| April 13, 2021, 3 p.m. | N/A | N/A | 38.3 ppb (37) | N/A | 24.4 ppb (24) | 1.0 ppb (2) | 21.0 ppb (20) | 0.36 ppb (5) | 53.0 μg/m3 (50) | 8.0 μg/m3 (34) | 50.0 | |
| April 13, 2021, 2 p.m. | N/A | N/A | 42.0 ppb (40) | N/A | 29.5 ppb (28) | 1.0 ppb (2) | 12.0 ppb (12) | 0.41 ppb (5) | 49.0 μg/m3 (46) | 7.0 μg/m3 (30) | 46.0 | |
| April 13, 2021, 1 p.m. | N/A | N/A | 49.5 ppb (47) | N/A | 36.4 ppb (35) | 1.0 ppb (2) | 3.0 ppb (3) | 0.47 ppb (6) | 33.0 μg/m3 (31) | 7.0 μg/m3 (30) | 47.0 | |
| April 13, 2021, noon | 49.5 ppb (47) | 13.2 ppb (13) | 47.4 ppb (45) | 36.0 ppb (34) | 35.9 ppb (34) | 1.0 ppb (2) | 3.0 ppb (3) | 0.4 ppb (5) | 34.0 μg/m3 (32) | 6.0 μg/m3 (25) | 47.0 | |
| April 13, 2021, 11 a.m. | 44.0 ppb (42) | 12.8 ppb (13) | 43.2 ppb (41) | 31.0 ppb (30) | 31.4 ppb (30) | 1.0 ppb (2) | 1.0 ppb (1) | 0.43 ppb (5) | 28.0 μg/m3 (26) | 6.0 μg/m3 (25) | 42.0 | |
| April 13, 2021, 10 a.m. | 23.5 ppb (23) | 1.4 ppb (2) | 21.6 ppb (21) | 22.0 ppb (21) | 21.0 ppb (20) | 0.0 ppb (0) | 9.0 ppb (9) | 0.26 ppb (4) | 13.0 μg/m3 (13) | 5.0 μg/m3 (21) | 23.0 |