Morrisville (Dan K Moore Fwy) NC, US: 35.8652, -78.8197
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 7, 2020, 5 p.m. | 9.6 ppb (9) | 3.9 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 7, 2020, 4 p.m. | 15.8 ppb (15) | 7.0 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 7, 2020, 3 p.m. | 21.3 ppb (20) | 11.0 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 7, 2020, 2 p.m. | 18.7 ppb (17) | 10.3 ppb (10) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 7, 2020, 1 p.m. | 22.2 ppb (21) | 12.1 ppb (11) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 7, 2020, noon | 30.4 ppb (28) | 18.4 ppb (17) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 6, 2020, 8 p.m. | 15.3 ppb (14) | 7.5 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 6, 2020, 7 p.m. | 15.2 ppb (14) | 7.1 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 6, 2020, 6 p.m. | 13.7 ppb (13) | 7.3 ppb (7) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 26.0 μg/m3 (80) | 80.0 | |
| July 6, 2020, 5 p.m. | 14.8 ppb (14) | 7.4 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 6, 2020, 4 p.m. | 14.4 ppb (13) | 7.3 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 6, 2020, 3 p.m. | 14.5 ppb (13) | 7.6 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 6, 2020, 2 p.m. | 18.4 ppb (17) | 10.4 ppb (10) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 6, 2020, 1 p.m. | 18.1 ppb (17) | 9.6 ppb (9) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 6, 2020, noon | 27.8 ppb (26) | 17.1 ppb (16) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 6, 2020, 11 a.m. | 27.3 ppb (25) | 19.9 ppb (18) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 6, 2020, 10 a.m. | 19.4 ppb (18) | 12.4 ppb (11) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 6, 2020, 9 a.m. | 8.1 ppb (8) | 3.5 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 6, 2020, 8 a.m. | 4.2 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 6, 2020, 7 a.m. | 5.2 ppb (5) | 2.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 6, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 6, 2020, 5 a.m. | 3.0 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 6, 2020, 4 a.m. | 3.6 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 6, 2020, 3 a.m. | 3.3 ppb (3) | 0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 6, 2020, 2 a.m. | 3.5 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 6, 2020, 1 a.m. | 6.9 ppb (6) | 1.5 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 6, 2020, midnight | 5.4 ppb (5) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 5, 2020, 11 p.m. | 5.1 ppb (5) | 1.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 5, 2020, 10 p.m. | 6.7 ppb (6) | 2.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 5, 2020, 9 p.m. | 5.4 ppb (5) | 1.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 5, 2020, 8 p.m. | 4.2 ppb (4) | 1.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | -3.0 μg/m3 (0) | 4.0 | |
| July 5, 2020, 7 p.m. | 1.6 ppb (1) | 0.5 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| July 5, 2020, 6 p.m. | 3.4 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 5, 2020, 5 p.m. | 8.5 ppb (8) | 3.1 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 5, 2020, 4 p.m. | 5.1 ppb (5) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 20.0 μg/m3 (67) | 67.0 | |
| July 5, 2020, 3 p.m. | 8.8 ppb (8) | 3.5 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | 19.0 μg/m3 (65) | 65.0 | |
| July 5, 2020, 2 p.m. | 5.9 ppb (5) | 2.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 5, 2020, 1 p.m. | 5.9 ppb (5) | 2.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 5, 2020, noon | 6.3 ppb (6) | 2.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| July 5, 2020, 11 a.m. | 6.3 ppb (6) | 2.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 25.0 μg/m3 (78) | 78.0 | |
| July 5, 2020, 10 a.m. | 3.1 ppb (3) | 0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 30.0 μg/m3 (88) | 88.0 | |
| July 5, 2020, 9 a.m. | 4.7 ppb (4) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 36.0 μg/m3 (101) | 101.0 | |
| July 5, 2020, 8 a.m. | 4.4 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 38.0 μg/m3 (106) | 106.0 | |
| July 5, 2020, 7 a.m. | 6.5 ppb (6) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (109) | 109.0 | |
| July 5, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 44.0 μg/m3 (121) | 121.0 | |
| July 5, 2020, 5 a.m. | 4.3 ppb (4) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 48.0 μg/m3 (131) | 131.0 | |
| July 5, 2020, 4 a.m. | 8.4 ppb (8) | 1.8 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 47.0 μg/m3 (129) | 129.0 | |
| July 5, 2020, 3 a.m. | 8.1 ppb (8) | 1.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 5, 2020, 2 a.m. | 7.6 ppb (7) | 1.4 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 5, 2020, 1 a.m. | 3.3 ppb (3) | 0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 5, 2020, midnight | 3.2 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 4, 2020, 11 p.m. | 6.1 ppb (6) | 1.7 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 4, 2020, 10 p.m. | 5.3 ppb (5) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 2.0 μg/m3 (8) | 8.0 | |
| July 4, 2020, 9 p.m. | 5.2 ppb (5) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 4, 2020, 8 p.m. | 6.3 ppb (6) | 2.3 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 4, 2020, 7 p.m. | 6.4 ppb (6) | 2.4 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 4, 2020, 6 p.m. | 5.3 ppb (5) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 4, 2020, 5 p.m. | 6.7 ppb (6) | 2.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 4, 2020, 4 p.m. | 5.3 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 4, 2020, 3 p.m. | 7.2 ppb (7) | 2.4 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 4, 2020, 2 p.m. | 7.2 ppb (7) | 2.4 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 4, 2020, 1 p.m. | 10.0 ppb (9) | 4.0 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 4, 2020, noon | 8.3 ppb (8) | 2.6 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 4, 2020, 11 a.m. | 19.0 ppb (18) | 13.3 ppb (12) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 4, 2020, 10 a.m. | 8.1 ppb (8) | 3.9 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 4, 2020, 9 a.m. | 7.9 ppb (7) | 2.9 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 4, 2020, 8 a.m. | 16.5 ppb (15) | 9.8 ppb (9) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 4, 2020, 7 a.m. | 17.4 ppb (16) | 8.6 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 4, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.46 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 4, 2020, 5 a.m. | 13.5 ppb (12) | 2.1 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 4, 2020, 4 a.m. | 21.1 ppb (20) | 5.4 ppb (5) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 4, 2020, 3 a.m. | 18.6 ppb (17) | 3.5 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 4, 2020, 2 a.m. | 10.4 ppb (10) | 0.4 ppb (0) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 4, 2020, 1 a.m. | 12.4 ppb (11) | 0.5 ppb (0) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 4, 2020, midnight | 2.1 ppb (2) | 0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 3, 2020, 11 p.m. | 4.7 ppb (4) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 3, 2020, 10 p.m. | 7.8 ppb (7) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 3, 2020, 9 p.m. | 0.8 ppb (1) | 0.1 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 3, 2020, 8 p.m. | 2.0 ppb (2) | 0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 3, 2020, 7 p.m. | 4.3 ppb (4) | 1.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 3, 2020, 6 p.m. | 6.3 ppb (6) | 2.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 3, 2020, 5 p.m. | 10.0 ppb (9) | 4.1 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 3, 2020, 4 p.m. | 8.1 ppb (8) | 2.7 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 3, 2020, 3 p.m. | 8.7 ppb (8) | 3.3 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 3, 2020, 2 p.m. | 11.0 ppb (10) | 3.3 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 3, 2020, 1 p.m. | 44.2 ppb (41) | 20.8 ppb (19) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 3, 2020, noon | 29.2 ppb (27) | 15.4 ppb (14) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 3, 2020, 11 a.m. | 20.4 ppb (19) | 14.3 ppb (13) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 3, 2020, 10 a.m. | 20.1 ppb (19) | 11.6 ppb (11) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 3, 2020, 9 a.m. | 17.1 ppb (16) | 7.2 ppb (7) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 3, 2020, 8 a.m. | 15.1 ppb (14) | 3.7 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 3, 2020, 7 a.m. | 12.2 ppb (11) | 1.4 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 3, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 3, 2020, 5 a.m. | 16.9 ppb (16) | 1.9 ppb (2) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 3, 2020, 4 a.m. | 13.2 ppb (12) | 0.8 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 3, 2020, 3 a.m. | 14.7 ppb (14) | 0.6 ppb (1) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 3, 2020, 2 a.m. | 9.4 ppb (9) | 0.3 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 3, 2020, 1 a.m. | 1.4 ppb (1) | 0.1 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 3, 2020, midnight | 0.9 ppb (1) | 0.1 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.13 ppb (1) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 2, 2020, 11 p.m. | 0.8 ppb (1) | 0.1 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | 2.0 μg/m3 (8) | 8.0 | |
| July 2, 2020, 10 p.m. | 1.9 ppb (2) | 0.6 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 2, 2020, 9 p.m. | 2.3 ppb (2) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 2, 2020, 8 p.m. | 4.4 ppb (4) | 1.7 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 2, 2020, 7 p.m. | 4.8 ppb (4) | 2.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 2, 2020, 6 p.m. | 5.3 ppb (5) | 2.1 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 2, 2020, 5 p.m. | 3.9 ppb (4) | 1.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 2, 2020, 4 p.m. | 4.9 ppb (5) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 2, 2020, 3 p.m. | 5.4 ppb (5) | 1.9 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 2, 2020, 2 p.m. | 9.4 ppb (9) | 4.0 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 2, 2020, 1 p.m. | 6.7 ppb (6) | 2.9 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 2, 2020, noon | 7.4 ppb (7) | 3.5 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 2, 2020, 11 a.m. | 10.1 ppb (9) | 5.2 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 2, 2020, 10 a.m. | 11.7 ppb (11) | 4.8 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 2, 2020, 9 a.m. | 5.3 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 2, 2020, 8 a.m. | 2.4 ppb (2) | 0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 2, 2020, 7 a.m. | 2.0 ppb (2) | 0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 2, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 2, 2020, 5 a.m. | 1.9 ppb (2) | 0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 2, 2020, 4 a.m. | 5.0 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 2, 2020, 3 a.m. | 7.7 ppb (7) | 1.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 2, 2020, 2 a.m. | 2.4 ppb (2) | 0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 2, 2020, 1 a.m. | 5.6 ppb (5) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 2, 2020, midnight | 12.7 ppb (12) | 4.2 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| July 1, 2020, 11 p.m. | 20.4 ppb (19) | 7.4 ppb (7) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 1, 2020, 10 p.m. | 16.7 ppb (15) | 8.0 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 1, 2020, 9 p.m. | 21.5 ppb (20) | 9.2 ppb (9) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 1, 2020, 8 p.m. | 19.9 ppb (18) | 9.1 ppb (8) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 1, 2020, 7 p.m. | 18.3 ppb (17) | 8.9 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 1, 2020, 6 p.m. | 17.8 ppb (16) | 8.1 ppb (8) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 1, 2020, 5 p.m. | 15.3 ppb (14) | 7.6 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 1, 2020, 4 p.m. | 15.9 ppb (15) | 7.4 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 1, 2020, 3 p.m. | 18.4 ppb (17) | 9.1 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 1, 2020, 2 p.m. | 26.1 ppb (24) | 14.9 ppb (14) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 1, 2020, 1 p.m. | 28.7 ppb (27) | 16.9 ppb (16) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 1, 2020, noon | 38.8 ppb (36) | 26.8 ppb (25) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 1, 2020, 11 a.m. | 47.6 ppb (44) | 35.4 ppb (33) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | 8.0 μg/m3 (33) | 44.0 | |
| July 1, 2020, 10 a.m. | 32.7 ppb (30) | 22.6 ppb (21) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 3.0 μg/m3 (12) | 30.0 | |
| July 1, 2020, 9 a.m. | 4.7 ppb (4) | 1.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 1, 2020, 8 a.m. | 5.2 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 1, 2020, 7 a.m. | 5.7 ppb (5) | 1.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 1, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 1, 2020, 5 a.m. | 7.6 ppb (7) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 1, 2020, 4 a.m. | 6.2 ppb (6) | 0.5 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| July 1, 2020, 3 a.m. | 4.4 ppb (4) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 1, 2020, 2 a.m. | 12.2 ppb (11) | 3.4 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 1, 2020, 1 a.m. | 14.6 ppb (14) | 4.1 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 1, 2020, midnight | 19.2 ppb (18) | 6.0 ppb (6) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 2.0 μg/m3 (8) | 18.0 | |
| June 30, 2020, 11 p.m. | 7.1 ppb (7) | 1.1 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| June 30, 2020, 10 p.m. | 11.0 ppb (10) | 3.5 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 3.0 μg/m3 (12) | 12.0 | |
| June 30, 2020, 9 p.m. | 9.1 ppb (8) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| June 30, 2020, 8 p.m. | 11.7 ppb (11) | 4.8 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| June 30, 2020, 7 p.m. | 20.6 ppb (19) | 10.5 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| June 30, 2020, 6 p.m. | 22.9 ppb (21) | 11.2 ppb (10) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| June 30, 2020, 5 p.m. | 18.8 ppb (17) | 9.3 ppb (9) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 17.0 | |
| June 30, 2020, 4 p.m. | 21.8 ppb (20) | 9.7 ppb (9) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 20.0 | |
| June 30, 2020, 3 p.m. | 17.7 ppb (16) | 7.2 ppb (7) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 16.0 | |
| June 30, 2020, 2 p.m. | 20.7 ppb (19) | 9.4 ppb (9) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| June 30, 2020, 1 p.m. | 29.9 ppb (28) | 15.3 ppb (14) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| June 30, 2020, noon | 44.8 ppb (41) | 30.7 ppb (28) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| June 30, 2020, 11 a.m. | 29.9 ppb (28) | 19.1 ppb (18) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| June 30, 2020, 10 a.m. | 12.9 ppb (12) | 5.6 ppb (5) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| June 30, 2020, 9 a.m. | 10.7 ppb (10) | 3.3 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| June 30, 2020, 8 a.m. | 12.5 ppb (12) | 4.8 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| June 30, 2020, 7 a.m. | 13.3 ppb (12) | 4.8 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| June 30, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| June 30, 2020, 5 a.m. | 17.2 ppb (16) | 5.6 ppb (5) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| June 30, 2020, 4 a.m. | 9.0 ppb (8) | 0.8 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| June 30, 2020, 3 a.m. | 11.6 ppb (11) | 0.8 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 13.0 μg/m3 (52) | 52.0 |