Fresno (Mclane) CA, US: 36.78538, -119.77321
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 23, 2020, 11 p.m. | 2.9 ppb (3) | 1.0 ppb (1) | 3.5 ppb (3) | 2.0 ppb (2) | 3.4 ppb (3) | 0.0 ppb (0) | 58.0 ppb (45) | 0.17 ppb (2) | 70.0 μg/m3 (58) | 5.0 μg/m3 (21) | 58.0 | |
| Sept. 23, 2020, 10 p.m. | 3.4 ppb (3) | 1.0 ppb (1) | 3.9 ppb (4) | 2.0 ppb (2) | 3.8 ppb (4) | 0.0 ppb (0) | 59.0 ppb (45) | 0.19 ppb (2) | 77.0 μg/m3 (61) | 7.4 μg/m3 (31) | 61.0 | |
| Sept. 23, 2020, 9 p.m. | 5.0 ppb (5) | 1.0 ppb (1) | 6.0 ppb (6) | 4.0 ppb (4) | 5.8 ppb (5) | 1.0 ppb (1) | 66.0 ppb (51) | 0.27 ppb (3) | 68.0 μg/m3 (56) | 15.5 μg/m3 (57) | 57.0 | |
| Sept. 23, 2020, 8 p.m. | 5.6 ppb (5) | 1.0 ppb (1) | 6.8 ppb (6) | 5.0 ppb (5) | 6.5 ppb (6) | 1.0 ppb (1) | 66.0 ppb (51) | 0.28 ppb (3) | 75.0 μg/m3 (60) | 15.6 μg/m3 (58) | 60.0 | |
| Sept. 23, 2020, 7 p.m. | 6.6 ppb (6) | 1.2 ppb (1) | 7.7 ppb (7) | 5.0 ppb (5) | 7.3 ppb (7) | 2.0 ppb (3) | 57.0 ppb (44) | 0.29 ppb (3) | 85.0 μg/m3 (65) | 18.7 μg/m3 (64) | 65.0 | |
| Sept. 23, 2020, 6 p.m. | 8.0 ppb (7) | 1.9 ppb (2) | 9.0 ppb (8) | 6.0 ppb (6) | 7.9 ppb (7) | 2.0 ppb (3) | 47.0 ppb (36) | 0.34 ppb (4) | 92.0 μg/m3 (68) | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 23, 2020, 5 p.m. | 10.4 ppb (10) | 2.2 ppb (2) | 10.9 ppb (10) | 8.0 ppb (7) | 9.4 ppb (9) | 2.0 ppb (3) | 36.0 ppb (28) | 0.3 ppb (3) | 69.0 μg/m3 (57) | 17.3 μg/m3 (61) | 61.0 | |
| Sept. 23, 2020, 4 p.m. | 17.7 ppb (16) | 5.0 ppb (5) | 17.3 ppb (16) | 13.0 ppb (12) | 12.7 ppb (12) | 4.0 ppb (6) | 25.0 ppb (19) | 0.3 ppb (3) | 68.0 μg/m3 (56) | 8.4 μg/m3 (35) | 56.0 | |
| Sept. 23, 2020, 3 p.m. | 22.5 ppb (21) | 6.9 ppb (6) | 21.4 ppb (20) | 16.0 ppb (15) | 15.5 ppb (14) | 1.0 ppb (1) | 12.0 ppb (9) | 0.48 ppb (5) | 45.0 μg/m3 (41) | 9.0 μg/m3 (38) | 41.0 | |
| Sept. 23, 2020, 2 p.m. | 25.2 ppb (23) | 6.9 ppb (6) | 24.4 ppb (23) | 18.0 ppb (17) | 18.4 ppb (17) | 0.0 ppb (0) | 5.0 ppb (4) | 0.44 ppb (5) | 33.0 μg/m3 (30) | 5.3 μg/m3 (22) | 30.0 | |
| Sept. 23, 2020, 1 p.m. | 22.0 ppb (20) | 4.4 ppb (4) | 20.6 ppb (19) | 18.0 ppb (17) | 17.9 ppb (17) | 0.0 ppb (0) | 6.0 ppb (5) | 0.4 ppb (4) | 23.0 μg/m3 (21) | 0.8 μg/m3 (3) | 21.0 | |
| Sept. 23, 2020, noon | N/A | N/A | 10.4 ppb (10) | N/A | 10.1 ppb (9) | 0.0 ppb (0) | N/A | 0.24 ppb (3) | 20.0 μg/m3 (18) | 0.9 μg/m3 (4) | 18.0 | |
| Sept. 23, 2020, 11 a.m. | 5.0 ppb (5) | 0.9 ppb (1) | 5.0 ppb (5) | 4.0 ppb (4) | 5.0 ppb (5) | 0.0 ppb (0) | 25.0 ppb (19) | 0.16 ppb (2) | 20.0 μg/m3 (18) | 1.2 μg/m3 (5) | 19.0 | |
| Sept. 23, 2020, 10 a.m. | 4.3 ppb (4) | 0.9 ppb (1) | 3.9 ppb (4) | 3.0 ppb (3) | 3.9 ppb (4) | 1.0 ppb (1) | 31.0 ppb (24) | 0.13 ppb (1) | 20.0 μg/m3 (18) | 0.9 μg/m3 (4) | 24.0 | |
| Sept. 23, 2020, 9 a.m. | 3.2 ppb (3) | 0.9 ppb (1) | 2.8 ppb (3) | 2.0 ppb (2) | 2.8 ppb (3) | 0.0 ppb (0) | 35.0 ppb (27) | 0.13 ppb (1) | 17.0 μg/m3 (15) | 3.4 μg/m3 (14) | 27.0 | |
| Sept. 23, 2020, 8 a.m. | 3.8 ppb (4) | 0.9 ppb (1) | 3.5 ppb (3) | 3.0 ppb (3) | 3.5 ppb (3) | 1.0 ppb (1) | 35.0 ppb (27) | 0.14 ppb (2) | 23.0 μg/m3 (21) | 5.5 μg/m3 (23) | 27.0 | |
| Sept. 23, 2020, 7 a.m. | 3.5 ppb (3) | 0.9 ppb (1) | 3.2 ppb (3) | 3.0 ppb (3) | 3.2 ppb (3) | 0.0 ppb (0) | 38.0 ppb (29) | 0.14 ppb (2) | 21.0 μg/m3 (19) | 5.6 μg/m3 (23) | 29.0 | |
| Sept. 23, 2020, 6 a.m. | 3.6 ppb (3) | 0.9 ppb (1) | 3.5 ppb (3) | 3.0 ppb (3) | 3.5 ppb (3) | 0.0 ppb (0) | 41.0 ppb (32) | 0.15 ppb (2) | 31.0 μg/m3 (28) | 3.7 μg/m3 (15) | 32.0 | |
| Sept. 23, 2020, 5 a.m. | 3.0 ppb (3) | 0.9 ppb (1) | 2.9 ppb (3) | 2.0 ppb (2) | 3.0 ppb (3) | 0.0 ppb (0) | 45.0 ppb (35) | 0.15 ppb (2) | 34.0 μg/m3 (31) | 3.6 μg/m3 (15) | 35.0 | |
| Sept. 23, 2020, 4 a.m. | 3.2 ppb (3) | 0.9 ppb (1) | 3.2 ppb (3) | 2.0 ppb (2) | 3.2 ppb (3) | 0.0 ppb (0) | 45.0 ppb (35) | 0.15 ppb (2) | 38.0 μg/m3 (35) | 3.7 μg/m3 (15) | 35.0 | |
| Sept. 23, 2020, 3 a.m. | 4.1 ppb (4) | 0.9 ppb (1) | 4.2 ppb (4) | 3.0 ppb (3) | 4.2 ppb (4) | 0.0 ppb (0) | 45.0 ppb (35) | 0.15 ppb (2) | 64.0 μg/m3 (54) | 5.7 μg/m3 (24) | 54.0 | |
| Sept. 23, 2020, 2 a.m. | 4.6 ppb (4) | 0.9 ppb (1) | 4.8 ppb (4) | 4.0 ppb (4) | 4.8 ppb (4) | 0.0 ppb (0) | 44.0 ppb (34) | 0.2 ppb (2) | 65.0 μg/m3 (55) | 10.7 μg/m3 (45) | 55.0 | |
| Sept. 23, 2020, 1 a.m. | 3.8 ppb (4) | 0.9 ppb (1) | 4.1 ppb (4) | 3.0 ppb (3) | 4.2 ppb (4) | 0.0 ppb (0) | 52.0 ppb (40) | 0.22 ppb (2) | 75.0 μg/m3 (60) | 11.1 μg/m3 (46) | 60.0 | |
| Sept. 23, 2020, midnight | 3.4 ppb (3) | 1.0 ppb (1) | 3.9 ppb (4) | 2.0 ppb (2) | 3.8 ppb (4) | 0.0 ppb (0) | 58.0 ppb (45) | 0.24 ppb (3) | 79.0 μg/m3 (62) | 10.2 μg/m3 (42) | 62.0 | |
| Sept. 22, 2020, 11 p.m. | 3.3 ppb (3) | 1.0 ppb (1) | 3.9 ppb (4) | 2.0 ppb (2) | 3.8 ppb (4) | 0.0 ppb (0) | 65.0 ppb (50) | 0.29 ppb (3) | 96.0 μg/m3 (70) | 21.5 μg/m3 (70) | 70.0 | |
| Sept. 22, 2020, 10 p.m. | 3.6 ppb (3) | 1.0 ppb (1) | 4.0 ppb (4) | 3.0 ppb (3) | 3.9 ppb (4) | 1.0 ppb (1) | 67.0 ppb (52) | 0.34 ppb (4) | 105.0 μg/m3 (75) | 23.8 μg/m3 (75) | 75.0 | |
| Sept. 22, 2020, 9 p.m. | 4.6 ppb (4) | 1.0 ppb (1) | 5.7 ppb (5) | 4.0 ppb (4) | 5.5 ppb (5) | 1.0 ppb (1) | 70.0 ppb (54) | 0.55 ppb (6) | 160.0 μg/m3 (102) | 53.9 μg/m3 (146) | 146.0 | |
| Sept. 22, 2020, 8 p.m. | 7.2 ppb (7) | 1.0 ppb (1) | 9.9 ppb (9) | 6.0 ppb (6) | 9.7 ppb (9) | 1.0 ppb (1) | 86.0 ppb (68) | 0.77 ppb (9) | 170.0 μg/m3 (108) | 69.2 μg/m3 (157) | 157.0 | |
| Sept. 22, 2020, 7 p.m. | 7.0 ppb (6) | 1.1 ppb (1) | 8.4 ppb (8) | 6.0 ppb (6) | 8.1 ppb (8) | 1.0 ppb (1) | 75.0 ppb (58) | 0.62 ppb (7) | 118.0 μg/m3 (82) | 49.2 μg/m3 (134) | 134.0 | |
| Sept. 22, 2020, 6 p.m. | 6.4 ppb (6) | 1.1 ppb (1) | 7.9 ppb (7) | 5.0 ppb (5) | 7.6 ppb (7) | 1.0 ppb (1) | 62.0 ppb (48) | 0.86 ppb (10) | 148.0 μg/m3 (96) | 70.9 μg/m3 (158) | 158.0 | |
| Sept. 22, 2020, 5 p.m. | 11.0 ppb (10) | 2.2 ppb (2) | 12.3 ppb (11) | 9.0 ppb (8) | 10.2 ppb (9) | 1.0 ppb (1) | 53.0 ppb (41) | 0.7 ppb (8) | 96.0 μg/m3 (70) | 49.1 μg/m3 (134) | 134.0 | |
| Sept. 22, 2020, 4 p.m. | 11.8 ppb (11) | 2.0 ppb (2) | 12.9 ppb (12) | 10.0 ppb (9) | 11.5 ppb (11) | 1.0 ppb (1) | 38.0 ppb (29) | 0.87 ppb (10) | 120.0 μg/m3 (82) | 74.2 μg/m3 (160) | 160.0 | |
| Sept. 22, 2020, 3 p.m. | 12.8 ppb (12) | 2.3 ppb (2) | 13.0 ppb (12) | 10.0 ppb (9) | 11.6 ppb (11) | 0.0 ppb (0) | 23.0 ppb (18) | 0.79 ppb (9) | 87.0 μg/m3 (66) | 52.1 μg/m3 (142) | 142.0 | |
| Sept. 22, 2020, 2 p.m. | 18.5 ppb (17) | 3.6 ppb (3) | 18.5 ppb (17) | 15.0 ppb (14) | 15.8 ppb (15) | 0.0 ppb (0) | 10.0 ppb (8) | 0.57 ppb (6) | 64.0 μg/m3 (54) | 26.3 μg/m3 (80) | 80.0 | |
| Sept. 22, 2020, 1 p.m. | 16.8 ppb (16) | 1.9 ppb (2) | 16.7 ppb (15) | 15.0 ppb (14) | 15.9 ppb (15) | 0.0 ppb (0) | 7.0 ppb (5) | 0.57 ppb (6) | 56.0 μg/m3 (50) | 24.5 μg/m3 (77) | 77.0 | |
| Sept. 22, 2020, noon | N/A | N/A | 10.7 ppb (10) | N/A | 10.3 ppb (10) | 0.0 ppb (0) | N/A | 0.43 ppb (5) | 54.0 μg/m3 (49) | 22.9 μg/m3 (73) | 73.0 | |
| Sept. 22, 2020, 11 a.m. | 7.5 ppb (7) | 1.0 ppb (1) | 7.8 ppb (7) | 7.0 ppb (6) | 7.7 ppb (7) | 0.0 ppb (0) | 21.0 ppb (16) | 0.36 ppb (4) | 51.0 μg/m3 (46) | 20.9 μg/m3 (69) | 69.0 | |
| Sept. 22, 2020, 10 a.m. | 6.3 ppb (6) | 0.9 ppb (1) | 6.5 ppb (6) | 5.0 ppb (5) | 6.5 ppb (6) | 0.0 ppb (0) | 25.0 ppb (19) | 0.35 ppb (4) | 63.0 μg/m3 (54) | 23.6 μg/m3 (75) | 75.0 | |
| Sept. 22, 2020, 9 a.m. | 6.0 ppb (6) | 0.9 ppb (1) | 6.4 ppb (6) | 5.0 ppb (5) | 6.4 ppb (6) | 0.0 ppb (0) | 29.0 ppb (22) | 0.37 ppb (4) | 66.0 μg/m3 (56) | 23.4 μg/m3 (74) | 74.0 | |
| Sept. 22, 2020, 8 a.m. | 5.8 ppb (5) | 0.9 ppb (1) | 6.0 ppb (6) | 5.0 ppb (5) | 6.0 ppb (6) | 0.0 ppb (0) | 30.0 ppb (23) | 0.36 ppb (4) | 62.0 μg/m3 (54) | 25.1 μg/m3 (78) | 78.0 | |
| Sept. 22, 2020, 7 a.m. | 5.8 ppb (5) | 0.9 ppb (1) | 5.9 ppb (5) | 5.0 ppb (5) | 5.9 ppb (5) | 0.0 ppb (0) | 33.0 ppb (25) | 0.38 ppb (4) | 65.0 μg/m3 (55) | 24.9 μg/m3 (77) | 77.0 | |
| Sept. 22, 2020, 6 a.m. | 7.0 ppb (6) | 0.9 ppb (1) | 7.0 ppb (6) | 6.0 ppb (6) | 7.0 ppb (6) | 0.0 ppb (0) | 35.0 ppb (27) | 0.44 ppb (5) | 61.0 μg/m3 (53) | 21.8 μg/m3 (71) | 71.0 | |
| Sept. 22, 2020, 5 a.m. | 6.3 ppb (6) | 0.9 ppb (1) | 6.5 ppb (6) | 5.0 ppb (5) | 6.4 ppb (6) | 0.0 ppb (0) | 41.0 ppb (32) | 0.43 ppb (5) | 75.0 μg/m3 (60) | 30.2 μg/m3 (89) | 89.0 | |
| Sept. 22, 2020, 4 a.m. | 12.2 ppb (11) | 0.9 ppb (1) | 12.8 ppb (12) | 11.0 ppb (10) | 12.7 ppb (12) | 0.0 ppb (0) | 43.0 ppb (33) | 0.59 ppb (7) | 116.0 μg/m3 (80) | 47.4 μg/m3 (130) | 130.0 | |
| Sept. 22, 2020, 3 a.m. | 13.4 ppb (12) | 0.9 ppb (1) | 14.7 ppb (14) | 13.0 ppb (12) | 14.6 ppb (14) | 0.0 ppb (0) | 49.0 ppb (38) | 0.7 ppb (8) | 121.0 μg/m3 (83) | 49.1 μg/m3 (134) | 134.0 | |
| Sept. 22, 2020, 2 a.m. | 12.2 ppb (11) | 0.9 ppb (1) | 13.2 ppb (12) | 11.0 ppb (10) | 13.1 ppb (12) | 1.0 ppb (1) | 56.0 ppb (43) | 0.7 ppb (8) | 124.0 μg/m3 (84) | 57.6 μg/m3 (151) | 151.0 | |
| Sept. 22, 2020, 1 a.m. | 6.5 ppb (6) | 0.9 ppb (1) | 7.2 ppb (7) | 6.0 ppb (6) | 7.1 ppb (7) | 1.0 ppb (1) | 66.0 ppb (51) | 0.55 ppb (6) | 87.0 μg/m3 (66) | 47.8 μg/m3 (131) | 131.0 | |
| Sept. 22, 2020, midnight | 4.2 ppb (4) | 0.9 ppb (1) | 5.1 ppb (5) | 3.0 ppb (3) | 5.0 ppb (5) | 1.0 ppb (1) | 74.0 ppb (57) | 0.5 ppb (6) | 89.0 μg/m3 (67) | 43.4 μg/m3 (120) | 120.0 | |
| Sept. 21, 2020, 11 p.m. | 4.2 ppb (4) | 0.9 ppb (1) | 5.2 ppb (5) | 3.0 ppb (3) | 5.1 ppb (5) | 0.0 ppb (0) | 78.0 ppb (61) | 0.47 ppb (5) | 79.0 μg/m3 (62) | 38.5 μg/m3 (108) | 108.0 | |
| Sept. 21, 2020, 10 p.m. | 4.6 ppb (4) | 0.9 ppb (1) | 6.0 ppb (6) | 4.0 ppb (4) | 5.9 ppb (5) | 1.0 ppb (1) | 82.0 ppb (64) | 0.48 ppb (5) | 80.0 μg/m3 (62) | 39.1 μg/m3 (109) | 109.0 | |
| Sept. 21, 2020, 9 p.m. | 6.0 ppb (6) | 1.0 ppb (1) | 7.7 ppb (7) | 5.0 ppb (5) | 7.5 ppb (7) | 1.0 ppb (1) | 85.0 ppb (67) | 0.48 ppb (5) | 76.0 μg/m3 (60) | 39.8 μg/m3 (111) | 111.0 | |
| Sept. 21, 2020, 8 p.m. | 6.9 ppb (6) | 1.1 ppb (1) | 8.1 ppb (8) | 6.0 ppb (6) | 7.8 ppb (7) | 1.0 ppb (1) | 76.0 ppb (59) | 0.51 ppb (6) | 73.0 μg/m3 (59) | 44.3 μg/m3 (122) | 122.0 | |
| Sept. 21, 2020, 7 p.m. | 6.4 ppb (6) | 1.1 ppb (1) | 7.2 ppb (7) | 5.0 ppb (5) | 6.9 ppb (6) | 1.0 ppb (1) | 68.0 ppb (52) | 0.44 ppb (5) | 65.0 μg/m3 (55) | 29.6 μg/m3 (87) | 87.0 | |
| Sept. 21, 2020, 6 p.m. | 6.6 ppb (6) | 1.2 ppb (1) | 7.3 ppb (7) | 5.0 ppb (5) | 6.7 ppb (6) | 1.0 ppb (1) | 61.0 ppb (47) | 0.47 ppb (5) | 68.0 μg/m3 (56) | 33.7 μg/m3 (96) | 96.0 | |
| Sept. 21, 2020, 5 p.m. | 8.9 ppb (8) | 1.9 ppb (2) | 8.6 ppb (8) | 7.0 ppb (6) | 7.8 ppb (7) | 1.0 ppb (1) | 53.0 ppb (41) | 0.58 ppb (6) | 83.0 μg/m3 (64) | 45.3 μg/m3 (124) | 124.0 | |
| Sept. 21, 2020, 4 p.m. | 13.1 ppb (12) | 2.1 ppb (2) | 13.3 ppb (12) | 11.0 ppb (10) | 11.9 ppb (11) | 1.0 ppb (1) | 41.0 ppb (32) | 0.68 ppb (8) | 95.0 μg/m3 (70) | 47.2 μg/m3 (129) | 129.0 | |
| Sept. 21, 2020, 3 p.m. | 31.3 ppb (29) | 9.8 ppb (9) | 29.1 ppb (27) | 22.0 ppb (20) | 21.4 ppb (20) | 1.0 ppb (1) | 17.0 ppb (13) | 0.89 ppb (10) | 79.0 μg/m3 (62) | 38.6 μg/m3 (108) | 108.0 | |
| Sept. 21, 2020, 2 p.m. | 32.3 ppb (30) | 11.5 ppb (11) | 31.2 ppb (29) | 21.0 ppb (19) | 21.2 ppb (20) | 0.0 ppb (0) | 4.0 ppb (3) | 0.96 ppb (11) | 72.0 μg/m3 (58) | 36.5 μg/m3 (102) | 102.0 | |
| Sept. 21, 2020, 1 p.m. | 18.5 ppb (17) | 3.0 ppb (3) | 18.0 ppb (17) | 16.0 ppb (15) | 16.0 ppb (15) | 0.0 ppb (0) | 6.0 ppb (5) | 0.73 ppb (8) | 55.0 μg/m3 (50) | 36.1 μg/m3 (102) | 102.0 | |
| Sept. 21, 2020, noon | N/A | N/A | 12.7 ppb (12) | N/A | 12.2 ppb (11) | 0.0 ppb (0) | N/A | 0.6 ppb (7) | 59.0 μg/m3 (52) | 31.8 μg/m3 (92) | 92.0 | |
| Sept. 21, 2020, 11 a.m. | 11.0 ppb (10) | 1.2 ppb (1) | 10.5 ppb (10) | 10.0 ppb (9) | 10.2 ppb (9) | 0.0 ppb (0) | 20.0 ppb (15) | 0.58 ppb (6) | 59.0 μg/m3 (52) | 35.9 μg/m3 (101) | 101.0 | |
| Sept. 21, 2020, 10 a.m. | 19.5 ppb (18) | 2.0 ppb (2) | 18.9 ppb (18) | 17.0 ppb (16) | 18.0 ppb (17) | 0.0 ppb (0) | 8.0 ppb (6) | 0.81 ppb (9) | 65.0 μg/m3 (55) | 40.8 μg/m3 (113) | 113.0 | |
| Sept. 21, 2020, 9 a.m. | 31.2 ppb (29) | 5.5 ppb (5) | 30.0 ppb (28) | 26.0 ppb (24) | 25.9 ppb (24) | 0.0 ppb (0) | 2.0 ppb (2) | 1.13 ppb (13) | 73.0 μg/m3 (59) | 40.1 μg/m3 (112) | 112.0 | |
| Sept. 21, 2020, 8 a.m. | 36.0 ppb (33) | 9.4 ppb (9) | 34.5 ppb (32) | 27.0 ppb (25) | 26.8 ppb (25) | 0.0 ppb (0) | 0.0 ppb (0) | 1.32 ppb (15) | 71.0 μg/m3 (58) | 45.2 μg/m3 (124) | 124.0 | |
| Sept. 21, 2020, 7 a.m. | 39.9 ppb (37) | 10.0 ppb (9) | 38.3 ppb (35) | 30.0 ppb (28) | 29.9 ppb (28) | 0.0 ppb (0) | 0.0 ppb (0) | 1.45 ppb (16) | 79.0 μg/m3 (62) | 49.0 μg/m3 (134) | 134.0 | |
| Sept. 21, 2020, 6 a.m. | 39.5 ppb (37) | 8.5 ppb (8) | 37.8 ppb (35) | 31.0 ppb (29) | 30.9 ppb (29) | 0.0 ppb (0) | 1.0 ppb (1) | 1.28 ppb (14) | 84.0 μg/m3 (64) | 51.5 μg/m3 (140) | 140.0 | |
| Sept. 21, 2020, 5 a.m. | 39.6 ppb (37) | 6.0 ppb (6) | 38.1 ppb (35) | 34.0 ppb (31) | 33.4 ppb (31) | 1.0 ppb (1) | 2.0 ppb (2) | 1.27 ppb (14) | 85.0 μg/m3 (65) | 46.2 μg/m3 (127) | 127.0 | |
| Sept. 21, 2020, 4 a.m. | 32.1 ppb (30) | 3.6 ppb (3) | 30.9 ppb (29) | 29.0 ppb (27) | 28.5 ppb (26) | 1.0 ppb (1) | 8.0 ppb (6) | 1.23 ppb (14) | 81.0 μg/m3 (63) | 45.5 μg/m3 (125) | 125.0 | |
| Sept. 21, 2020, 3 a.m. | 16.9 ppb (16) | 1.0 ppb (1) | 17.0 ppb (16) | 16.0 ppb (15) | 16.9 ppb (16) | 1.0 ppb (1) | 23.0 ppb (18) | 1.06 ppb (12) | 82.0 μg/m3 (64) | 43.2 μg/m3 (119) | 119.0 | |
| Sept. 21, 2020, 2 a.m. | 11.3 ppb (10) | 0.9 ppb (1) | 11.6 ppb (11) | 10.0 ppb (9) | 11.4 ppb (11) | 1.0 ppb (1) | 37.0 ppb (28) | 0.65 ppb (7) | 79.0 μg/m3 (62) | 44.0 μg/m3 (121) | 121.0 | |
| Sept. 21, 2020, 1 a.m. | 5.6 ppb (5) | 0.9 ppb (1) | 6.2 ppb (6) | 5.0 ppb (5) | 6.1 ppb (6) | 1.0 ppb (1) | 50.0 ppb (38) | 0.57 ppb (6) | 85.0 μg/m3 (65) | 48.6 μg/m3 (133) | 133.0 | |
| Sept. 21, 2020, midnight | 3.8 ppb (4) | 0.9 ppb (1) | 4.5 ppb (4) | 3.0 ppb (3) | 4.4 ppb (4) | 1.0 ppb (1) | 59.0 ppb (45) | 0.5 ppb (6) | 77.0 μg/m3 (61) | 37.2 μg/m3 (104) | 104.0 | |
| Sept. 20, 2020, 11 p.m. | 3.2 ppb (3) | 0.9 ppb (1) | 3.9 ppb (4) | 2.0 ppb (2) | 3.8 ppb (4) | 0.0 ppb (0) | 59.0 ppb (45) | 0.42 ppb (5) | 63.0 μg/m3 (54) | 31.2 μg/m3 (91) | 91.0 | |
| Sept. 20, 2020, 10 p.m. | 3.2 ppb (3) | 1.0 ppb (1) | 3.6 ppb (3) | 2.0 ppb (2) | 3.5 ppb (3) | 0.0 ppb (0) | 56.0 ppb (43) | 0.35 ppb (4) | 45.0 μg/m3 (41) | 20.8 μg/m3 (69) | 69.0 | |
| Sept. 20, 2020, 9 p.m. | 5.2 ppb (5) | 1.1 ppb (1) | 6.5 ppb (6) | 4.0 ppb (4) | 6.1 ppb (6) | 0.0 ppb (0) | 61.0 ppb (47) | 0.35 ppb (4) | 43.0 μg/m3 (39) | 23.3 μg/m3 (74) | 74.0 | |
| Sept. 20, 2020, 8 p.m. | 8.7 ppb (8) | 1.3 ppb (1) | 9.8 ppb (9) | 7.0 ppb (6) | 9.3 ppb (9) | 1.0 ppb (1) | 61.0 ppb (47) | 0.41 ppb (5) | 53.0 μg/m3 (48) | 24.6 μg/m3 (77) | 77.0 | |
| Sept. 20, 2020, 7 p.m. | 11.8 ppb (11) | 1.8 ppb (2) | 12.9 ppb (12) | 10.0 ppb (9) | 11.8 ppb (11) | 2.0 ppb (3) | 53.0 ppb (41) | 0.43 ppb (5) | 56.0 μg/m3 (50) | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 20, 2020, 6 p.m. | 10.4 ppb (10) | 1.9 ppb (2) | 10.9 ppb (10) | 9.0 ppb (8) | 9.9 ppb (9) | 4.0 ppb (6) | 45.0 ppb (35) | 0.41 ppb (5) | 55.0 μg/m3 (50) | 20.2 μg/m3 (67) | 67.0 | |
| Sept. 20, 2020, 5 p.m. | 10.6 ppb (10) | 2.2 ppb (2) | 11.0 ppb (10) | 8.0 ppb (7) | 9.7 ppb (9) | 5.0 ppb (7) | 35.0 ppb (27) | 0.4 ppb (4) | 59.0 μg/m3 (52) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 20, 2020, 4 p.m. | 16.7 ppb (15) | 5.1 ppb (5) | 18.8 ppb (17) | 12.0 ppb (11) | 12.8 ppb (12) | 8.0 ppb (11) | 20.0 ppb (15) | 0.41 ppb (5) | 64.0 μg/m3 (54) | 19.1 μg/m3 (65) | 65.0 | |
| Sept. 20, 2020, 3 p.m. | 16.1 ppb (15) | 3.8 ppb (4) | 16.3 ppb (15) | 12.0 ppb (11) | 13.7 ppb (13) | 6.0 ppb (9) | 14.0 ppb (11) | 0.48 ppb (5) | 56.0 μg/m3 (50) | 17.8 μg/m3 (62) | 62.0 | |
| Sept. 20, 2020, 2 p.m. | 20.1 ppb (19) | 5.5 ppb (5) | 19.7 ppb (18) | 15.0 ppb (14) | 15.5 ppb (14) | 1.0 ppb (1) | 4.0 ppb (3) | 0.52 ppb (6) | 52.0 μg/m3 (47) | 15.6 μg/m3 (58) | 58.0 | |
| Sept. 20, 2020, 1 p.m. | 18.4 ppb (17) | 4.5 ppb (4) | 20.2 ppb (19) | 14.0 ppb (13) | 16.0 ppb (15) | 0.0 ppb (0) | 2.0 ppb (2) | 0.45 ppb (5) | 41.0 μg/m3 (37) | 12.5 μg/m3 (51) | 51.0 | |
| Sept. 20, 2020, noon | N/A | N/A | 14.5 ppb (13) | N/A | 13.9 ppb (13) | 1.0 ppb (1) | N/A | 0.43 ppb (5) | 47.0 μg/m3 (43) | 11.4 μg/m3 (48) | 48.0 | |
| Sept. 20, 2020, 11 a.m. | 14.8 ppb (14) | 1.3 ppb (1) | 15.2 ppb (14) | 13.0 ppb (12) | 14.7 ppb (14) | 1.0 ppb (1) | 6.0 ppb (5) | 0.46 ppb (5) | 50.0 μg/m3 (45) | 10.2 μg/m3 (42) | 45.0 | |
| Sept. 20, 2020, 10 a.m. | 14.4 ppb (13) | 1.3 ppb (1) | 14.6 ppb (14) | 13.0 ppb (12) | 14.2 ppb (13) | 2.0 ppb (3) | 10.0 ppb (8) | 0.44 ppb (5) | 62.0 μg/m3 (54) | 16.5 μg/m3 (60) | 60.0 | |
| Sept. 20, 2020, 9 a.m. | 18.2 ppb (17) | 1.2 ppb (1) | 17.9 ppb (17) | 17.0 ppb (16) | 17.7 ppb (16) | 2.0 ppb (3) | 8.0 ppb (6) | 0.46 ppb (5) | 57.0 μg/m3 (51) | 11.1 μg/m3 (46) | 51.0 | |
| Sept. 20, 2020, 8 a.m. | 16.2 ppb (15) | 1.1 ppb (1) | 15.9 ppb (15) | 15.0 ppb (14) | 15.8 ppb (15) | 2.0 ppb (3) | 11.0 ppb (8) | 0.5 ppb (6) | 51.0 μg/m3 (46) | 12.1 μg/m3 (50) | 50.0 | |
| Sept. 20, 2020, 7 a.m. | 19.1 ppb (18) | 1.2 ppb (1) | 18.7 ppb (17) | 18.0 ppb (17) | 18.5 ppb (17) | 1.0 ppb (1) | 10.0 ppb (8) | 0.54 ppb (6) | 51.0 μg/m3 (46) | 10.0 μg/m3 (42) | 46.0 | |
| Sept. 20, 2020, 6 a.m. | 13.2 ppb (12) | 1.0 ppb (1) | 13.2 ppb (12) | 12.0 ppb (11) | 13.1 ppb (12) | 1.0 ppb (1) | 19.0 ppb (15) | 0.47 ppb (5) | 48.0 μg/m3 (44) | 7.0 μg/m3 (29) | 44.0 | |
| Sept. 20, 2020, 5 a.m. | 9.8 ppb (9) | 0.9 ppb (1) | 9.8 ppb (9) | 9.0 ppb (8) | 9.7 ppb (9) | 1.0 ppb (1) | 27.0 ppb (21) | 0.37 ppb (4) | 54.0 μg/m3 (49) | 9.0 μg/m3 (38) | 49.0 | |
| Sept. 20, 2020, 4 a.m. | 10.8 ppb (10) | 0.9 ppb (1) | 11.0 ppb (10) | 10.0 ppb (9) | 10.9 ppb (10) | 1.0 ppb (1) | 28.0 ppb (22) | 0.41 ppb (5) | 61.0 μg/m3 (53) | 11.7 μg/m3 (49) | 53.0 | |
| Sept. 20, 2020, 3 a.m. | 8.3 ppb (8) | 0.9 ppb (1) | 8.5 ppb (8) | 7.0 ppb (6) | 8.5 ppb (8) | 1.0 ppb (1) | 35.0 ppb (27) | 0.34 ppb (4) | 52.0 μg/m3 (47) | 7.6 μg/m3 (32) | 47.0 | |
| Sept. 20, 2020, 2 a.m. | 5.4 ppb (5) | 0.9 ppb (1) | 5.9 ppb (5) | 5.0 ppb (5) | 5.8 ppb (5) | 0.0 ppb (0) | 42.0 ppb (32) | 0.3 ppb (3) | 57.0 μg/m3 (51) | 8.5 μg/m3 (35) | 51.0 | |
| Sept. 20, 2020, 1 a.m. | 3.7 ppb (3) | 0.9 ppb (1) | 4.1 ppb (4) | 3.0 ppb (3) | 4.1 ppb (4) | 1.0 ppb (1) | 47.0 ppb (36) | 0.26 ppb (3) | 67.0 μg/m3 (56) | 10.4 μg/m3 (43) | 56.0 | |
| Sept. 20, 2020, midnight | 2.8 ppb (3) | 0.9 ppb (1) | 3.0 ppb (3) | 2.0 ppb (2) | 2.9 ppb (3) | 0.0 ppb (0) | 50.0 ppb (38) | 0.25 ppb (3) | 51.0 μg/m3 (46) | 9.2 μg/m3 (38) | 46.0 | |
| Sept. 19, 2020, 11 p.m. | 2.8 ppb (3) | 1.0 ppb (1) | 2.8 ppb (3) | 2.0 ppb (2) | 2.7 ppb (3) | 0.0 ppb (0) | 50.0 ppb (38) | 0.25 ppb (3) | 59.0 μg/m3 (52) | 7.8 μg/m3 (32) | 52.0 | |
| Sept. 19, 2020, 10 p.m. | 2.9 ppb (3) | 1.0 ppb (1) | 2.7 ppb (3) | 2.0 ppb (2) | 2.6 ppb (2) | 0.0 ppb (0) | 47.0 ppb (36) | 0.25 ppb (3) | 53.0 μg/m3 (48) | 8.0 μg/m3 (33) | 48.0 | |
| Sept. 19, 2020, 9 p.m. | 3.2 ppb (3) | 1.1 ppb (1) | 2.8 ppb (3) | 2.0 ppb (2) | 2.7 ppb (3) | 0.0 ppb (0) | 45.0 ppb (35) | 0.25 ppb (3) | 56.0 μg/m3 (50) | 9.3 μg/m3 (39) | 50.0 | |
| Sept. 19, 2020, 8 p.m. | 3.3 ppb (3) | 1.1 ppb (1) | 2.7 ppb (3) | 2.0 ppb (2) | 2.4 ppb (2) | 0.0 ppb (0) | 41.0 ppb (32) | 0.26 ppb (3) | 57.0 μg/m3 (51) | 8.4 μg/m3 (35) | 51.0 | |
| Sept. 19, 2020, 7 p.m. | 3.4 ppb (3) | 1.1 ppb (1) | 2.5 ppb (2) | 2.0 ppb (2) | 2.3 ppb (2) | 0.0 ppb (0) | 37.0 ppb (28) | 0.27 ppb (3) | 54.0 μg/m3 (49) | 6.3 μg/m3 (26) | 49.0 | |
| Sept. 19, 2020, 6 p.m. | 3.6 ppb (3) | 1.2 ppb (1) | 2.3 ppb (2) | 2.0 ppb (2) | 2.0 ppb (2) | 0.0 ppb (0) | 33.0 ppb (25) | 0.27 ppb (3) | 48.0 μg/m3 (44) | 5.0 μg/m3 (21) | 44.0 | |
| Sept. 19, 2020, 5 p.m. | 3.7 ppb (3) | 1.3 ppb (1) | 2.3 ppb (2) | 2.0 ppb (2) | 1.9 ppb (2) | 0.0 ppb (0) | 28.0 ppb (22) | 0.27 ppb (3) | 29.0 μg/m3 (26) | 7.8 μg/m3 (32) | 32.0 | |
| Sept. 19, 2020, 4 p.m. | 3.9 ppb (4) | 1.5 ppb (1) | 2.8 ppb (3) | 2.0 ppb (2) | 2.3 ppb (2) | 0.0 ppb (0) | 24.0 ppb (18) | 0.29 ppb (3) | 41.0 μg/m3 (37) | 10.4 μg/m3 (43) | 43.0 | |
| Sept. 19, 2020, 3 p.m. | 4.2 ppb (4) | 1.5 ppb (1) | 3.4 ppb (3) | 3.0 ppb (3) | 2.8 ppb (3) | 0.0 ppb (0) | 20.0 ppb (15) | 0.29 ppb (3) | 29.0 μg/m3 (26) | 7.7 μg/m3 (32) | 32.0 | |
| Sept. 19, 2020, 2 p.m. | 4.4 ppb (4) | 1.3 ppb (1) | 3.9 ppb (4) | 3.0 ppb (3) | 3.5 ppb (3) | 0.0 ppb (0) | 18.0 ppb (14) | 0.3 ppb (3) | 16.0 μg/m3 (15) | 4.8 μg/m3 (20) | 20.0 | |
| Sept. 19, 2020, 1 p.m. | 3.5 ppb (3) | 1.1 ppb (1) | 3.1 ppb (3) | 2.0 ppb (2) | 3.0 ppb (3) | 0.0 ppb (0) | 18.0 ppb (14) | 0.31 ppb (3) | 12.0 μg/m3 (11) | 2.8 μg/m3 (12) | 14.0 | |
| Sept. 19, 2020, noon | N/A | N/A | 2.7 ppb (3) | N/A | 2.7 ppb (3) | 0.0 ppb (0) | N/A | 0.3 ppb (3) | 14.0 μg/m3 (13) | 2.6 μg/m3 (11) | 13.0 | |
| Sept. 19, 2020, 11 a.m. | 2.6 ppb (2) | 0.9 ppb (1) | 2.3 ppb (2) | 2.0 ppb (2) | 2.2 ppb (2) | 0.0 ppb (0) | 22.0 ppb (17) | 0.3 ppb (3) | 18.0 μg/m3 (16) | 6.7 μg/m3 (28) | 28.0 | |
| Sept. 19, 2020, 10 a.m. | 2.5 ppb (2) | 0.9 ppb (1) | 2.2 ppb (2) | 2.0 ppb (2) | 2.1 ppb (2) | 0.0 ppb (0) | 23.0 ppb (18) | 0.3 ppb (3) | 17.0 μg/m3 (15) | 6.8 μg/m3 (28) | 28.0 | |
| Sept. 19, 2020, 9 a.m. | 3.0 ppb (3) | 0.9 ppb (1) | 2.8 ppb (3) | 2.0 ppb (2) | 2.7 ppb (3) | 0.0 ppb (0) | 24.0 ppb (18) | 0.33 ppb (4) | 26.0 μg/m3 (24) | 8.2 μg/m3 (34) | 34.0 | |
| Sept. 19, 2020, 8 a.m. | 3.2 ppb (3) | 0.9 ppb (1) | 3.1 ppb (3) | 2.0 ppb (2) | 3.0 ppb (3) | 0.0 ppb (0) | 25.0 ppb (19) | 0.36 ppb (4) | 30.0 μg/m3 (27) | 8.9 μg/m3 (37) | 37.0 | |
| Sept. 19, 2020, 7 a.m. | 3.3 ppb (3) | 0.9 ppb (1) | 3.3 ppb (3) | 2.0 ppb (2) | 3.3 ppb (3) | 0.0 ppb (0) | 28.0 ppb (22) | 0.38 ppb (4) | 42.0 μg/m3 (38) | 6.2 μg/m3 (26) | 38.0 | |
| Sept. 19, 2020, 6 a.m. | 3.2 ppb (3) | 0.9 ppb (1) | 3.2 ppb (3) | 2.0 ppb (2) | 3.1 ppb (3) | 0.0 ppb (0) | 33.0 ppb (25) | 0.38 ppb (4) | 43.0 μg/m3 (39) | 8.1 μg/m3 (34) | 39.0 | |
| Sept. 19, 2020, 5 a.m. | 3.0 ppb (3) | 0.9 ppb (1) | 3.0 ppb (3) | 2.0 ppb (2) | 2.9 ppb (3) | 0.0 ppb (0) | 37.0 ppb (28) | 0.34 ppb (4) | 50.0 μg/m3 (45) | 6.4 μg/m3 (27) | 45.0 | |
| Sept. 19, 2020, 4 a.m. | 3.3 ppb (3) | 0.9 ppb (1) | 3.3 ppb (3) | 2.0 ppb (2) | 3.3 ppb (3) | 0.0 ppb (0) | 34.0 ppb (26) | 0.26 ppb (3) | 51.0 μg/m3 (46) | 5.5 μg/m3 (23) | 46.0 | |
| Sept. 19, 2020, 3 a.m. | 4.2 ppb (4) | 0.9 ppb (1) | 4.2 ppb (4) | 3.0 ppb (3) | 4.2 ppb (4) | 0.0 ppb (0) | 33.0 ppb (25) | 0.25 ppb (3) | 53.0 μg/m3 (48) | 6.0 μg/m3 (25) | 48.0 | |
| Sept. 19, 2020, 2 a.m. | 5.4 ppb (5) | 0.9 ppb (1) | 5.4 ppb (5) | 4.0 ppb (4) | 5.4 ppb (5) | 0.0 ppb (0) | 29.0 ppb (22) | 0.25 ppb (3) | 58.0 μg/m3 (52) | 7.4 μg/m3 (31) | 52.0 | |
| Sept. 19, 2020, 1 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | 4.1 ppb (4) | 3.0 ppb (3) | 4.0 ppb (4) | 0.0 ppb (0) | 32.0 ppb (25) | 0.23 ppb (3) | 55.0 μg/m3 (50) | 4.9 μg/m3 (20) | 50.0 | |
| Sept. 19, 2020, midnight | 3.3 ppb (3) | 1.2 ppb (1) | 3.2 ppb (3) | 2.0 ppb (2) | 2.9 ppb (3) | 0.0 ppb (0) | 35.0 ppb (27) | 0.23 ppb (3) | 56.0 μg/m3 (50) | 6.9 μg/m3 (29) | 50.0 | |
| Sept. 18, 2020, 11 p.m. | 3.4 ppb (3) | 1.1 ppb (1) | 3.4 ppb (3) | 2.0 ppb (2) | 3.2 ppb (3) | 0.0 ppb (0) | 35.0 ppb (27) | 0.22 ppb (2) | 60.0 μg/m3 (52) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 18, 2020, 10 p.m. | 3.3 ppb (3) | 1.1 ppb (1) | 3.3 ppb (3) | 2.0 ppb (2) | 3.1 ppb (3) | 0.0 ppb (0) | 36.0 ppb (28) | 0.21 ppb (2) | 82.0 μg/m3 (64) | 17.9 μg/m3 (63) | 64.0 | |
| Sept. 18, 2020, 9 p.m. | 3.2 ppb (3) | 1.1 ppb (1) | 3.2 ppb (3) | 2.0 ppb (2) | 2.9 ppb (3) | 0.0 ppb (0) | 33.0 ppb (25) | 0.22 ppb (2) | N/A | N/A | 25.0 | |
| Sept. 18, 2020, 8 p.m. | 3.8 ppb (4) | 1.2 ppb (1) | 3.9 ppb (4) | 3.0 ppb (3) | 3.5 ppb (3) | 0.0 ppb (0) | 32.0 ppb (25) | 0.22 ppb (2) | 80.0 μg/m3 (62) | 8.4 μg/m3 (35) | 62.0 | |
| Sept. 18, 2020, 7 p.m. | 4.1 ppb (4) | 1.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.22 ppb (2) | 113.0 μg/m3 (79) | 6.3 μg/m3 (26) | 79.0 | |
| Sept. 18, 2020, 6 p.m. | 3.8 ppb (4) | 1.4 ppb (1) | N/A | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.18 ppb (2) | 67.0 μg/m3 (56) | 7.4 μg/m3 (31) | 56.0 | |
| Sept. 18, 2020, 5 p.m. | 4.0 ppb (4) | 1.4 ppb (1) | 2.9 ppb (3) | 3.0 ppb (3) | 2.4 ppb (2) | N/A | 25.0 ppb (19) | N/A | 62.0 μg/m3 (54) | 9.4 μg/m3 (39) | 54.0 | |
| Sept. 18, 2020, 4 p.m. | 4.1 ppb (4) | 1.4 ppb (1) | 3.2 ppb (3) | 3.0 ppb (3) | 2.8 ppb (3) | 0.0 ppb (0) | 22.0 ppb (17) | N/A | 69.0 μg/m3 (57) | 10.4 μg/m3 (43) | 57.0 | |
| Sept. 18, 2020, 3 p.m. | 4.6 ppb (4) | 1.2 ppb (1) | 4.0 ppb (4) | 3.0 ppb (3) | 3.7 ppb (3) | 0.0 ppb (0) | 21.0 ppb (16) | 0.22 ppb (2) | 57.0 μg/m3 (51) | 8.5 μg/m3 (35) | 51.0 | |
| Sept. 18, 2020, 2 p.m. | 4.2 ppb (4) | 1.0 ppb (1) | 3.8 ppb (4) | 3.0 ppb (3) | 3.7 ppb (3) | 0.0 ppb (0) | 22.0 ppb (17) | 0.21 ppb (2) | 54.0 μg/m3 (49) | 7.2 μg/m3 (30) | 49.0 | |
| Sept. 18, 2020, 1 p.m. | 4.4 ppb (4) | 1.1 ppb (1) | 3.9 ppb (4) | 3.0 ppb (3) | 3.9 ppb (4) | 0.0 ppb (0) | 23.0 ppb (18) | 0.2 ppb (2) | 39.0 μg/m3 (35) | 9.5 μg/m3 (40) | 40.0 | |
| Sept. 18, 2020, noon | N/A | N/A | 3.9 ppb (4) | N/A | 3.7 ppb (3) | 0.0 ppb (0) | N/A | 0.2 ppb (2) | 42.0 μg/m3 (38) | 10.2 μg/m3 (42) | 42.0 | |
| Sept. 18, 2020, 11 a.m. | 3.8 ppb (4) | 1.0 ppb (1) | 3.5 ppb (3) | 3.0 ppb (3) | 3.5 ppb (3) | 0.0 ppb (0) | 22.0 ppb (17) | 0.2 ppb (2) | 37.0 μg/m3 (34) | 8.7 μg/m3 (36) | 36.0 | |
| Sept. 18, 2020, 10 a.m. | 5.2 ppb (5) | 1.0 ppb (1) | 5.3 ppb (5) | 4.0 ppb (4) | 5.2 ppb (5) | 0.0 ppb (0) | 19.0 ppb (15) | 0.25 ppb (3) | 52.0 μg/m3 (47) | 18.2 μg/m3 (63) | 63.0 | |
| Sept. 18, 2020, 9 a.m. | 7.9 ppb (7) | 1.0 ppb (1) | 8.4 ppb (8) | 7.0 ppb (6) | 8.3 ppb (8) | 1.0 ppb (1) | 19.0 ppb (15) | 0.3 ppb (3) | 86.0 μg/m3 (66) | 24.6 μg/m3 (77) | 77.0 | |
| Sept. 18, 2020, 8 a.m. | 10.6 ppb (10) | 1.0 ppb (1) | 11.7 ppb (11) | 10.0 ppb (9) | 11.6 ppb (11) | 1.0 ppb (1) | 19.0 ppb (15) | 0.39 ppb (4) | 141.0 μg/m3 (93) | 43.6 μg/m3 (120) | 120.0 | |
| Sept. 18, 2020, 7 a.m. | 9.0 ppb (8) | 1.0 ppb (1) | 10.6 ppb (10) | 8.0 ppb (7) | 10.5 ppb (10) | 1.0 ppb (1) | 22.0 ppb (17) | 0.52 ppb (6) | 192.0 μg/m3 (118) | 55.0 μg/m3 (149) | 149.0 | |
| Sept. 18, 2020, 6 a.m. | 10.2 ppb (9) | 1.0 ppb (1) | 11.6 ppb (11) | 9.0 ppb (8) | 11.4 ppb (11) | 1.0 ppb (1) | 23.0 ppb (18) | 0.47 ppb (5) | 196.0 μg/m3 (120) | 49.6 μg/m3 (135) | 135.0 | |
| Sept. 18, 2020, 5 a.m. | 12.7 ppb (12) | 1.1 ppb (1) | 14.1 ppb (13) | 12.0 ppb (11) | 13.9 ppb (13) | 2.0 ppb (3) | 23.0 ppb (18) | 0.58 ppb (6) | 213.0 μg/m3 (129) | 56.6 μg/m3 (151) | 151.0 | |
| Sept. 18, 2020, 4 a.m. | 11.0 ppb (10) | 1.0 ppb (1) | 12.7 ppb (12) | 10.0 ppb (9) | 12.5 ppb (12) | 3.0 ppb (4) | 27.0 ppb (21) | 0.56 ppb (6) | 209.0 μg/m3 (127) | 56.4 μg/m3 (150) | 150.0 | |
| Sept. 18, 2020, 3 a.m. | 10.8 ppb (10) | 0.9 ppb (1) | 12.0 ppb (11) | 10.0 ppb (9) | 11.9 ppb (11) | 1.0 ppb (1) | 36.0 ppb (28) | 0.64 ppb (7) | 188.0 μg/m3 (116) | 69.6 μg/m3 (157) | 157.0 | |
| Sept. 18, 2020, 2 a.m. | 9.7 ppb (9) | 0.9 ppb (1) | 11.0 ppb (10) | 9.0 ppb (8) | 10.9 ppb (10) | 1.0 ppb (1) | 45.0 ppb (35) | 0.67 ppb (7) | 183.0 μg/m3 (114) | 63.6 μg/m3 (154) | 154.0 | |
| Sept. 18, 2020, 1 a.m. | 9.0 ppb (8) | 0.9 ppb (1) | 10.6 ppb (10) | 8.0 ppb (7) | 10.5 ppb (10) | 1.0 ppb (1) | 55.0 ppb (42) | 0.66 ppb (7) | 212.0 μg/m3 (128) | 59.9 μg/m3 (152) | 152.0 | |
| Sept. 18, 2020, midnight | 8.0 ppb (7) | 0.9 ppb (1) | 9.4 ppb (9) | 7.0 ppb (6) | 9.3 ppb (9) | 2.0 ppb (3) | 65.0 ppb (50) | 0.6 ppb (7) | 136.0 μg/m3 (90) | 53.0 μg/m3 (144) | 144.0 | |
| Sept. 17, 2020, 11 p.m. | 6.2 ppb (6) | 1.0 ppb (1) | 7.3 ppb (7) | 5.0 ppb (5) | 7.2 ppb (7) | 1.0 ppb (1) | 67.0 ppb (52) | 0.59 ppb (7) | 117.0 μg/m3 (81) | 48.2 μg/m3 (132) | 132.0 | |
| Sept. 17, 2020, 10 p.m. | 5.6 ppb (5) | 1.0 ppb (1) | 6.7 ppb (6) | 5.0 ppb (5) | 6.7 ppb (6) | 1.0 ppb (1) | 66.0 ppb (51) | 0.59 ppb (7) | 126.0 μg/m3 (86) | 58.0 μg/m3 (151) | 151.0 | |
| Sept. 17, 2020, 9 p.m. | 5.7 ppb (5) | 1.0 ppb (1) | 6.8 ppb (6) | 5.0 ppb (5) | 6.7 ppb (6) | 0.0 ppb (0) | 63.0 ppb (48) | 0.61 ppb (7) | 109.0 μg/m3 (77) | 62.0 μg/m3 (153) | 153.0 | |
| Sept. 17, 2020, 8 p.m. | 5.1 ppb (5) | 1.1 ppb (1) | 5.7 ppb (5) | 4.0 ppb (4) | 5.4 ppb (5) | 0.0 ppb (0) | 58.0 ppb (45) | 0.48 ppb (5) | 67.0 μg/m3 (56) | 42.9 μg/m3 (118) | 118.0 | |
| Sept. 17, 2020, 7 p.m. | 7.1 ppb (7) | 1.2 ppb (1) | 8.0 ppb (7) | 6.0 ppb (6) | 7.6 ppb (7) | 1.0 ppb (1) | 53.0 ppb (41) | 0.55 ppb (6) | 86.0 μg/m3 (66) | 45.3 μg/m3 (124) | 124.0 | |
| Sept. 17, 2020, 6 p.m. | 13.7 ppb (13) | 1.5 ppb (1) | 16.3 ppb (15) | 12.0 ppb (11) | 15.6 ppb (14) | 2.0 ppb (3) | 52.0 ppb (40) | 0.92 ppb (10) | 147.0 μg/m3 (96) | 86.0 μg/m3 (166) | 166.0 | |
| Sept. 17, 2020, 5 p.m. | 20.5 ppb (19) | 2.9 ppb (3) | 24.0 ppb (22) | 18.0 ppb (17) | 21.5 ppb (20) | 2.0 ppb (3) | 40.0 ppb (31) | 1.1 ppb (12) | 176.0 μg/m3 (110) | 96.7 μg/m3 (172) | 172.0 | |
| Sept. 17, 2020, 4 p.m. | 26.9 ppb (25) | 4.7 ppb (4) | 29.3 ppb (27) | 22.0 ppb (20) | 25.5 ppb (24) | 2.0 ppb (3) | 20.0 ppb (15) | 1.09 ppb (12) | 174.0 μg/m3 (110) | 83.3 μg/m3 (165) | 165.0 | |
| Sept. 17, 2020, 3 p.m. | 31.3 ppb (29) | 8.8 ppb (8) | 31.9 ppb (30) | 23.0 ppb (21) | 24.8 ppb (23) | 1.0 ppb (1) | 6.0 ppb (5) | 0.93 ppb (10) | 147.0 μg/m3 (96) | 74.7 μg/m3 (160) | 160.0 | |
| Sept. 17, 2020, 2 p.m. | 44.0 ppb (41) | 21.6 ppb (20) | 43.5 ppb (40) | 22.0 ppb (20) | 24.8 ppb (23) | 0.0 ppb (0) | 1.0 ppb (1) | 1.12 ppb (12) | 139.0 μg/m3 (92) | 68.2 μg/m3 (157) | 157.0 | |
| Sept. 17, 2020, 1 p.m. | 40.0 ppb (37) | 16.3 ppb (15) | 39.6 ppb (37) | 24.0 ppb (22) | 26.5 ppb (25) | 0.0 ppb (0) | 1.0 ppb (1) | 1.16 ppb (13) | 138.0 μg/m3 (92) | 69.8 μg/m3 (158) | 158.0 | |
| Sept. 17, 2020, noon | N/A | N/A | 36.5 ppb (34) | N/A | 27.9 ppb (26) | 0.0 ppb (0) | N/A | 1.17 ppb (13) | 134.0 μg/m3 (90) | 76.4 μg/m3 (161) | 161.0 | |
| Sept. 17, 2020, 11 a.m. | 32.3 ppb (30) | 5.8 ppb (5) | 32.5 ppb (30) | 27.0 ppb (25) | 28.0 ppb (26) | 0.0 ppb (0) | 1.0 ppb (1) | 1.21 ppb (13) | 140.0 μg/m3 (92) | 75.1 μg/m3 (160) | 160.0 | |
| Sept. 17, 2020, 10 a.m. | 31.4 ppb (29) | 3.2 ppb (3) | 31.4 ppb (29) | 28.0 ppb (26) | 29.4 ppb (27) | 0.0 ppb (0) | 1.0 ppb (1) | 1.23 ppb (14) | 149.0 μg/m3 (97) | 80.0 μg/m3 (163) | 163.0 | |
| Sept. 17, 2020, 9 a.m. | 30.5 ppb (28) | 4.5 ppb (4) | 28.9 ppb (27) | 26.0 ppb (24) | 27.0 ppb (25) | 0.0 ppb (0) | 3.0 ppb (2) | 1.29 ppb (14) | 149.0 μg/m3 (97) | 76.1 μg/m3 (161) | 161.0 | |
| Sept. 17, 2020, 8 a.m. | 24.9 ppb (23) | 1.8 ppb (2) | 25.6 ppb (24) | 23.0 ppb (21) | 24.9 ppb (23) | 1.0 ppb (1) | 7.0 ppb (5) | 1.17 ppb (13) | 148.0 μg/m3 (96) | 79.3 μg/m3 (163) | 163.0 | |
| Sept. 17, 2020, 7 a.m. | 27.6 ppb (26) | 1.9 ppb (2) | 28.5 ppb (26) | 26.0 ppb (24) | 27.6 ppb (26) | 1.0 ppb (1) | 9.0 ppb (7) | 1.21 ppb (13) | 153.0 μg/m3 (99) | 81.3 μg/m3 (164) | 164.0 | |
| Sept. 17, 2020, 6 a.m. | 27.9 ppb (26) | 1.9 ppb (2) | 28.2 ppb (26) | 26.0 ppb (24) | 27.7 ppb (26) | 1.0 ppb (1) | 15.0 ppb (12) | 1.13 ppb (13) | 162.0 μg/m3 (104) | 79.1 μg/m3 (162) | 162.0 | |
| Sept. 17, 2020, 5 a.m. | 24.0 ppb (22) | 1.1 ppb (1) | 25.6 ppb (24) | 23.0 ppb (21) | 25.3 ppb (23) | 1.0 ppb (1) | 27.0 ppb (21) | 1.13 ppb (13) | 182.0 μg/m3 (114) | 80.6 μg/m3 (163) | 163.0 | |
| Sept. 17, 2020, 4 a.m. | 27.8 ppb (26) | 1.1 ppb (1) | 28.9 ppb (27) | 27.0 ppb (25) | 28.6 ppb (26) | 1.0 ppb (1) | 31.0 ppb (24) | 1.4 ppb (16) | 183.0 μg/m3 (114) | 82.5 μg/m3 (164) | 164.0 | |
| Sept. 17, 2020, 3 a.m. | 24.2 ppb (22) | 1.0 ppb (1) | 26.1 ppb (24) | 23.0 ppb (21) | 25.9 ppb (24) | 1.0 ppb (1) | 41.0 ppb (32) | 1.17 ppb (13) | 184.0 μg/m3 (114) | 83.7 μg/m3 (165) | 165.0 | |
| Sept. 17, 2020, 2 a.m. | 21.6 ppb (20) | 1.0 ppb (1) | 23.2 ppb (21) | 21.0 ppb (19) | 23.0 ppb (21) | 1.0 ppb (1) | 44.0 ppb (34) | 1.14 ppb (13) | 166.0 μg/m3 (106) | 81.9 μg/m3 (164) | 164.0 | |
| Sept. 17, 2020, 1 a.m. | 7.9 ppb (7) | 1.0 ppb (1) | 9.9 ppb (9) | 7.0 ppb (6) | 9.7 ppb (9) | 1.0 ppb (1) | 72.0 ppb (56) | 0.9 ppb (10) | 152.0 μg/m3 (98) | 76.8 μg/m3 (161) | 161.0 | |
| Sept. 17, 2020, midnight | 5.5 ppb (5) | 0.9 ppb (1) | 7.4 ppb (7) | 5.0 ppb (5) | 7.4 ppb (7) | 1.0 ppb (1) | 80.0 ppb (62) | 0.86 ppb (10) | 144.0 μg/m3 (94) | 83.9 μg/m3 (165) | 165.0 |