St. Louis (Buchanan St) MO, US: 38.656449, -90.198548
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 21, 2019, 1 p.m. | 13.1 ppb (12) | 1.1 ppb (1) | 13.3 ppb (12) | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.03 ppb (0) | N/A | 14.8 μg/m3 (56) | 56.0 | |
| Nov. 21, 2019, noon | 11.4 ppb (11) | 0.3 ppb (0) | 11.7 ppb (11) | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 23.0 ppb (18) | 0.01 ppb (0) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| Nov. 21, 2019, 11 a.m. | 7.0 ppb (6) | 0.3 ppb (0) | 7.4 ppb (7) | 7.0 ppb (6) | N/A | N/A | 25.0 ppb (19) | 0.14 ppb (2) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| Nov. 21, 2019, 10 a.m. | 7.3 ppb (7) | 0.3 ppb (0) | 7.5 ppb (7) | 7.0 ppb (6) | N/A | N/A | 26.0 ppb (20) | 0.13 ppb (1) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Nov. 21, 2019, 9 a.m. | 4.8 ppb (4) | 0.3 ppb (0) | 5.3 ppb (5) | 5.0 ppb (5) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.13 ppb (1) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| Nov. 21, 2019, 8 a.m. | 7.1 ppb (7) | 0.3 ppb (0) | 7.6 ppb (7) | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.13 ppb (1) | N/A | 10.9 μg/m3 (45) | 45.0 | |
| Nov. 21, 2019, 7 a.m. | 9.7 ppb (9) | 0.3 ppb (0) | 10.1 ppb (9) | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.13 ppb (1) | N/A | 5.7 μg/m3 (24) | 24.0 | |
| Nov. 21, 2019, 6 a.m. | 6.9 ppb (6) | 0.3 ppb (0) | 7.5 ppb (7) | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.13 ppb (1) | N/A | 8.9 μg/m3 (37) | 37.0 | |
| Nov. 21, 2019, 5 a.m. | 10.6 ppb (10) | 0.3 ppb (0) | 11.0 ppb (10) | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.15 ppb (2) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| Nov. 21, 2019, 4 a.m. | 6.9 ppb (6) | 0.3 ppb (0) | 7.7 ppb (7) | 7.0 ppb (6) | N/A | 2.0 ppb (3) | 24.0 ppb (18) | 0.16 ppb (2) | N/A | 14.3 μg/m3 (55) | 55.0 | |
| Nov. 21, 2019, 3 a.m. | 8.5 ppb (8) | 0.3 ppb (0) | 9.2 ppb (9) | 8.0 ppb (7) | N/A | 3.0 ppb (4) | 23.0 ppb (18) | 0.16 ppb (2) | N/A | 16.3 μg/m3 (59) | 59.0 | |
| Nov. 21, 2019, 2 a.m. | 10.4 ppb (10) | 0.4 ppb (0) | 10.8 ppb (10) | 10.0 ppb (9) | N/A | 2.0 ppb (3) | 21.0 ppb (16) | 0.15 ppb (2) | N/A | 13.8 μg/m3 (54) | 54.0 | |
| Nov. 21, 2019, 1 a.m. | 15.3 ppb (14) | 0.7 ppb (1) | 15.0 ppb (14) | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.16 ppb (2) | N/A | 14.2 μg/m3 (55) | 55.0 | |
| Nov. 21, 2019, midnight | 23.2 ppb (21) | 2.0 ppb (2) | 22.9 ppb (21) | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.19 ppb (2) | N/A | 0.0 μg/m3 (0) | 21.0 | |
| Nov. 20, 2019, 11 p.m. | 18.8 ppb (17) | 2.3 ppb (2) | 17.6 ppb (16) | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.24 ppb (3) | N/A | 0.0 μg/m3 (0) | 17.0 | |
| Nov. 20, 2019, 10 p.m. | 21.2 ppb (20) | 3.0 ppb (3) | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.24 ppb (3) | N/A | N/A | 20.0 | |
| Nov. 20, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 17.0 ppb (13) | N/A | N/A | N/A | 13.0 | |
| Nov. 20, 2019, 8 p.m. | 18.3 ppb (17) | 6.3 ppb (6) | N/A | 12.0 ppb (11) | N/A | 2.0 ppb (3) | 20.0 ppb (15) | N/A | N/A | N/A | 17.0 | |
| Nov. 20, 2019, 7 p.m. | 20.1 ppb (19) | 8.3 ppb (8) | N/A | 12.0 ppb (11) | N/A | 3.0 ppb (4) | N/A | N/A | N/A | N/A | 19.0 | |
| Nov. 20, 2019, 6 p.m. | 13.4 ppb (12) | 4.6 ppb (4) | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | N/A | N/A | N/A | N/A | 12.0 | |
| Nov. 20, 2019, 5 p.m. | 13.1 ppb (12) | 5.9 ppb (5) | 15.7 ppb (15) | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.03 ppb (0) | N/A | N/A | 15.0 | |
| Nov. 20, 2019, 4 p.m. | 12.4 ppb (11) | 5.7 ppb (5) | 14.2 ppb (13) | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.02 ppb (0) | N/A | N/A | 13.0 | |
| Nov. 20, 2019, 3 p.m. | 20.3 ppb (19) | 9.7 ppb (9) | 22.3 ppb (21) | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.04 ppb (0) | N/A | N/A | 21.0 | |
| Nov. 20, 2019, 2 p.m. | 31.6 ppb (29) | 14.6 ppb (14) | 31.9 ppb (30) | 17.0 ppb (16) | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.05 ppb (1) | N/A | N/A | 30.0 | |
| Nov. 20, 2019, 1 p.m. | 58.1 ppb (54) | 33.5 ppb (31) | 55.2 ppb (51) | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.03 ppb (0) | N/A | N/A | 54.0 | |
| Nov. 20, 2019, noon | 131.3 ppb (106) | 102.7 ppb (100) | 132.7 ppb (106) | 29.0 ppb (27) | N/A | 1.0 ppb (1) | 0.0 ppb (0) | 0.0 ppb (0) | N/A | N/A | 106.0 | |
| Nov. 20, 2019, 11 a.m. | 87.0 ppb (85) | 61.7 ppb (58) | 92.1 ppb (91) | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.3 ppb (3) | N/A | N/A | 91.0 | |
| Nov. 20, 2019, 10 a.m. | 62.6 ppb (59) | 39.4 ppb (36) | 67.9 ppb (65) | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | N/A | N/A | N/A | 65.0 | |
| Nov. 20, 2019, 9 a.m. | 47.1 ppb (44) | 24.7 ppb (23) | 54.1 ppb (50) | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.29 ppb (3) | N/A | N/A | 50.0 | |
| Nov. 20, 2019, 8 a.m. | 48.2 ppb (45) | 25.0 ppb (23) | 46.9 ppb (43) | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.27 ppb (3) | N/A | N/A | 45.0 | |
| Nov. 20, 2019, 7 a.m. | 55.2 ppb (51) | 30.9 ppb (29) | 51.7 ppb (48) | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.28 ppb (3) | N/A | N/A | 51.0 | |
| Nov. 20, 2019, 6 a.m. | 59.7 ppb (56) | 36.4 ppb (34) | 73.9 ppb (71) | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.36 ppb (4) | N/A | N/A | 71.0 | |
| Nov. 20, 2019, 5 a.m. | 50.9 ppb (47) | 25.5 ppb (24) | 51.2 ppb (47) | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.38 ppb (4) | N/A | N/A | 47.0 | |
| Nov. 20, 2019, 4 a.m. | 55.5 ppb (52) | 28.0 ppb (26) | 55.4 ppb (51) | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.4 ppb (4) | N/A | N/A | 52.0 | |
| Nov. 20, 2019, 3 a.m. | 100.0 ppb (99) | 70.0 ppb (67) | 96.6 ppb (95) | 30.0 ppb (28) | N/A | 1.0 ppb (1) | 0.0 ppb (0) | 0.66 ppb (7) | N/A | N/A | 99.0 | |
| Nov. 20, 2019, 2 a.m. | 122.5 ppb (104) | 95.5 ppb (94) | 140.5 ppb (108) | 27.0 ppb (25) | N/A | 1.0 ppb (1) | 0.0 ppb (0) | 1.15 ppb (13) | N/A | N/A | 108.0 | |
| Nov. 20, 2019, 1 a.m. | 91.2 ppb (90) | 64.0 ppb (61) | 100.8 ppb (100) | 27.0 ppb (25) | N/A | 1.0 ppb (1) | N/A | 1.15 ppb (13) | N/A | N/A | 100.0 | |
| Nov. 20, 2019, midnight | 61.0 ppb (57) | 31.5 ppb (29) | 63.7 ppb (60) | 30.0 ppb (28) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.72 ppb (8) | N/A | N/A | 60.0 | |
| Nov. 19, 2019, 11 p.m. | 26.3 ppb (24) | 4.3 ppb (4) | 22.0 ppb (20) | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.45 ppb (5) | N/A | N/A | 24.0 | |
| Nov. 19, 2019, 10 p.m. | 8.3 ppb (8) | 1.2 ppb (1) | 7.5 ppb (7) | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.2 ppb (2) | N/A | N/A | 18.0 | |
| Nov. 19, 2019, 9 p.m. | 12.6 ppb (12) | 3.9 ppb (4) | 6.2 ppb (6) | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.15 ppb (2) | N/A | N/A | 21.0 | |
| Nov. 19, 2019, 8 p.m. | 4.5 ppb (4) | 1.3 ppb (1) | 4.3 ppb (4) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.13 ppb (1) | N/A | N/A | 22.0 | |
| Nov. 19, 2019, 7 p.m. | 6.1 ppb (6) | 3.2 ppb (3) | 6.4 ppb (6) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.15 ppb (2) | N/A | N/A | 20.0 | |
| Nov. 19, 2019, 6 p.m. | 4.0 ppb (4) | 2.1 ppb (2) | 5.0 ppb (5) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 25.0 ppb (19) | 0.14 ppb (2) | N/A | N/A | 19.0 | |
| Nov. 19, 2019, 5 p.m. | 9.9 ppb (9) | 5.4 ppb (5) | 8.6 ppb (8) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.17 ppb (2) | N/A | N/A | 16.0 | |
| Nov. 19, 2019, 4 p.m. | 8.3 ppb (8) | 4.6 ppb (4) | 8.8 ppb (8) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.19 ppb (2) | N/A | N/A | 12.0 | |
| Nov. 19, 2019, 3 p.m. | 10.8 ppb (10) | 5.3 ppb (5) | 10.5 ppb (10) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.19 ppb (2) | N/A | N/A | 10.0 | |
| Nov. 19, 2019, 2 p.m. | 11.2 ppb (10) | 4.4 ppb (4) | 9.5 ppb (9) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.22 ppb (2) | N/A | N/A | 10.0 | |
| Nov. 19, 2019, 1 p.m. | 11.2 ppb (10) | 2.5 ppb (2) | 10.8 ppb (10) | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.24 ppb (3) | N/A | N/A | 10.0 | |
| Nov. 19, 2019, noon | 15.7 ppb (15) | 1.4 ppb (1) | 15.2 ppb (14) | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.21 ppb (2) | N/A | N/A | 15.0 | |
| Nov. 19, 2019, 11 a.m. | 16.7 ppb (15) | 0.8 ppb (1) | 17.2 ppb (16) | 16.0 ppb (15) | N/A | N/A | 6.0 ppb (5) | 0.23 ppb (3) | N/A | N/A | 16.0 | |
| Nov. 19, 2019, 10 a.m. | 17.8 ppb (16) | 1.2 ppb (1) | 16.9 ppb (16) | 17.0 ppb (16) | N/A | N/A | 7.0 ppb (5) | 0.24 ppb (3) | N/A | N/A | 16.0 | |
| Nov. 19, 2019, 9 a.m. | 15.6 ppb (14) | 0.7 ppb (1) | 15.0 ppb (14) | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.22 ppb (2) | N/A | N/A | 14.0 | |
| Nov. 19, 2019, 8 a.m. | 18.2 ppb (17) | 0.5 ppb (0) | 17.8 ppb (16) | 18.0 ppb (17) | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.16 ppb (2) | N/A | N/A | 17.0 | |
| Nov. 19, 2019, 7 a.m. | 14.2 ppb (13) | 0.3 ppb (0) | 14.0 ppb (13) | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.15 ppb (2) | N/A | N/A | 13.0 | |
| Nov. 19, 2019, 6 a.m. | 18.1 ppb (17) | 1.5 ppb (1) | 17.7 ppb (16) | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.17 ppb (2) | N/A | N/A | 17.0 | |
| Nov. 19, 2019, 5 a.m. | 16.9 ppb (16) | 1.4 ppb (1) | 17.6 ppb (16) | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.19 ppb (2) | N/A | N/A | 16.0 | |
| Nov. 19, 2019, 4 a.m. | 18.1 ppb (17) | 1.1 ppb (1) | 17.9 ppb (17) | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.19 ppb (2) | N/A | N/A | 17.0 | |
| Nov. 19, 2019, 3 a.m. | 12.4 ppb (11) | 0.7 ppb (1) | 13.0 ppb (12) | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.2 ppb (2) | N/A | N/A | 12.0 | |
| Nov. 19, 2019, 2 a.m. | 16.1 ppb (15) | 0.4 ppb (0) | 16.8 ppb (16) | 16.0 ppb (15) | N/A | 2.0 ppb (3) | 14.0 ppb (11) | 0.2 ppb (2) | N/A | N/A | 16.0 | |
| Nov. 19, 2019, 1 a.m. | 24.4 ppb (23) | 2.0 ppb (2) | 24.8 ppb (23) | 23.0 ppb (21) | N/A | 2.0 ppb (3) | 8.0 ppb (6) | 0.24 ppb (3) | N/A | N/A | 23.0 | |
| Nov. 19, 2019, midnight | 33.6 ppb (31) | 6.2 ppb (6) | 32.2 ppb (30) | 28.0 ppb (26) | N/A | 1.0 ppb (1) | 7.0 ppb (5) | 0.23 ppb (3) | N/A | N/A | 31.0 | |
| Nov. 18, 2019, 11 p.m. | 49.4 ppb (46) | 14.3 ppb (13) | 48.9 ppb (45) | 35.0 ppb (32) | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.33 ppb (4) | N/A | N/A | 46.0 | |
| Nov. 18, 2019, 10 p.m. | 34.2 ppb (32) | 7.0 ppb (6) | 32.5 ppb (30) | 27.0 ppb (25) | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.26 ppb (3) | N/A | N/A | 32.0 | |
| Nov. 18, 2019, 9 p.m. | 24.4 ppb (23) | 6.1 ppb (6) | 25.6 ppb (24) | 18.0 ppb (17) | N/A | 3.0 ppb (4) | 14.0 ppb (11) | 0.22 ppb (2) | N/A | N/A | 24.0 | |
| Nov. 18, 2019, 8 p.m. | 11.6 ppb (11) | 2.9 ppb (3) | 13.3 ppb (12) | 9.0 ppb (8) | N/A | 4.0 ppb (6) | 22.0 ppb (17) | 0.19 ppb (2) | N/A | N/A | 17.0 | |
| Nov. 18, 2019, 7 p.m. | 13.3 ppb (12) | 3.8 ppb (4) | 14.6 ppb (14) | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 21.0 ppb (16) | 0.2 ppb (2) | N/A | N/A | 16.0 | |
| Nov. 18, 2019, 6 p.m. | 20.9 ppb (19) | 7.5 ppb (7) | 24.2 ppb (22) | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 16.0 ppb (12) | 0.23 ppb (3) | N/A | N/A | 22.0 | |
| Nov. 18, 2019, 5 p.m. | 18.6 ppb (17) | 8.8 ppb (8) | 20.8 ppb (19) | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.23 ppb (3) | N/A | N/A | 19.0 | |
| Nov. 18, 2019, 4 p.m. | 20.5 ppb (19) | 10.5 ppb (10) | 22.6 ppb (21) | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.21 ppb (2) | N/A | N/A | 21.0 | |
| Nov. 18, 2019, 3 p.m. | 13.6 ppb (13) | 5.9 ppb (5) | 13.8 ppb (13) | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.23 ppb (3) | N/A | N/A | 13.0 | |
| Nov. 18, 2019, 2 p.m. | 24.4 ppb (23) | 11.6 ppb (11) | 24.9 ppb (23) | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.35 ppb (4) | N/A | N/A | 23.0 | |
| Nov. 18, 2019, 1 p.m. | 47.9 ppb (44) | 29.1 ppb (27) | 42.7 ppb (40) | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.52 ppb (6) | N/A | N/A | 44.0 | |
| Nov. 18, 2019, noon | 30.6 ppb (28) | 12.5 ppb (12) | 30.0 ppb (28) | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.36 ppb (4) | N/A | N/A | 28.0 | |
| Nov. 18, 2019, 11 a.m. | 12.8 ppb (12) | 0.6 ppb (1) | 14.7 ppb (14) | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.2 ppb (2) | N/A | N/A | 14.0 | |
| Nov. 18, 2019, 10 a.m. | 9.1 ppb (8) | 0.3 ppb (0) | 10.2 ppb (9) | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 12.0 ppb (9) | N/A | N/A | N/A | 9.0 | |
| Nov. 18, 2019, 9 a.m. | 6.6 ppb (6) | 0.2 ppb (0) | 7.8 ppb (7) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.18 ppb (2) | N/A | N/A | 11.0 | |
| Nov. 18, 2019, 8 a.m. | 6.3 ppb (6) | 0.3 ppb (0) | 7.3 ppb (7) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.17 ppb (2) | N/A | N/A | 12.0 | |
| Nov. 18, 2019, 7 a.m. | 5.8 ppb (5) | 0.2 ppb (0) | 7.1 ppb (7) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.18 ppb (2) | N/A | N/A | 12.0 | |
| Nov. 18, 2019, 6 a.m. | 6.0 ppb (6) | 0.4 ppb (0) | 7.5 ppb (7) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.19 ppb (2) | N/A | N/A | 12.0 | |
| Nov. 18, 2019, 5 a.m. | 6.8 ppb (6) | 0.3 ppb (0) | 8.4 ppb (8) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 15.0 ppb (12) | 0.15 ppb (2) | N/A | N/A | 12.0 | |
| Nov. 18, 2019, 4 a.m. | 5.7 ppb (5) | 0.3 ppb (0) | 7.4 ppb (7) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.15 ppb (2) | N/A | N/A | 13.0 | |
| Nov. 18, 2019, 3 a.m. | 8.2 ppb (8) | 0.5 ppb (0) | 9.6 ppb (9) | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 17.0 ppb (13) | 0.19 ppb (2) | N/A | N/A | 13.0 | |
| Nov. 18, 2019, 2 a.m. | 7.4 ppb (7) | 0.3 ppb (0) | 8.9 ppb (8) | 7.0 ppb (6) | N/A | 0.0 ppb (0) | 19.0 ppb (15) | 0.2 ppb (2) | N/A | N/A | 15.0 | |
| Nov. 18, 2019, 1 a.m. | 9.8 ppb (9) | 0.3 ppb (0) | 11.0 ppb (10) | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.22 ppb (2) | N/A | N/A | 14.0 | |
| Nov. 18, 2019, midnight | 18.6 ppb (17) | 3.3 ppb (3) | 18.5 ppb (17) | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.27 ppb (3) | N/A | N/A | 17.0 | |
| Nov. 17, 2019, 11 p.m. | 30.8 ppb (29) | 8.1 ppb (8) | 28.0 ppb (26) | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.46 ppb (5) | N/A | N/A | 29.0 | |
| Nov. 17, 2019, 10 p.m. | 16.2 ppb (15) | 2.0 ppb (2) | 16.7 ppb (15) | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.29 ppb (3) | N/A | N/A | 15.0 | |
| Nov. 17, 2019, 9 p.m. | 12.8 ppb (12) | 1.9 ppb (2) | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.25 ppb (3) | N/A | N/A | 13.0 | |
| Nov. 17, 2019, 8 p.m. | 11.1 ppb (10) | 2.2 ppb (2) | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.22 ppb (2) | N/A | N/A | 14.0 | |
| Nov. 17, 2019, 7 p.m. | 13.2 ppb (12) | 3.3 ppb (3) | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.22 ppb (2) | N/A | N/A | 15.0 | |
| Nov. 17, 2019, 6 p.m. | 9.2 ppb (9) | 3.1 ppb (3) | 14.2 ppb (13) | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.21 ppb (2) | N/A | N/A | 17.0 | |
| Nov. 17, 2019, 5 p.m. | 15.2 ppb (14) | 5.8 ppb (5) | 20.8 ppb (19) | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.2 ppb (2) | N/A | N/A | 19.0 | |
| Nov. 17, 2019, 4 p.m. | 14.8 ppb (14) | 4.6 ppb (4) | 20.5 ppb (19) | 10.0 ppb (9) | N/A | 2.0 ppb (3) | 12.0 ppb (9) | 0.19 ppb (2) | N/A | N/A | 19.0 | |
| Nov. 17, 2019, 3 p.m. | 21.5 ppb (20) | 8.5 ppb (8) | 27.8 ppb (26) | 13.0 ppb (12) | N/A | 2.0 ppb (3) | 9.0 ppb (7) | 0.21 ppb (2) | N/A | N/A | 26.0 | |
| Nov. 17, 2019, 2 p.m. | 18.3 ppb (17) | 5.4 ppb (5) | 24.4 ppb (23) | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 7.0 ppb (5) | 0.23 ppb (3) | N/A | N/A | 23.0 | |
| Nov. 17, 2019, 1 p.m. | 31.7 ppb (29) | 11.8 ppb (11) | 36.6 ppb (34) | 20.0 ppb (19) | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.24 ppb (3) | N/A | N/A | 34.0 | |
| Nov. 17, 2019, noon | 51.7 ppb (48) | 27.1 ppb (25) | 58.2 ppb (54) | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 0.0 ppb (0) | 0.24 ppb (3) | N/A | N/A | 54.0 | |
| Nov. 17, 2019, 11 a.m. | 74.8 ppb (72) | 47.2 ppb (44) | 82.3 ppb (80) | 28.0 ppb (26) | N/A | N/A | 0.0 ppb (0) | 0.3 ppb (3) | N/A | N/A | 80.0 | |
| Nov. 17, 2019, 10 a.m. | 60.8 ppb (57) | 34.9 ppb (32) | 69.8 ppb (67) | 26.0 ppb (24) | N/A | N/A | 0.0 ppb (0) | 0.29 ppb (3) | N/A | N/A | 67.0 | |
| Nov. 17, 2019, 9 a.m. | 38.5 ppb (36) | 15.4 ppb (14) | 47.7 ppb (44) | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.28 ppb (3) | N/A | N/A | 44.0 | |
| Nov. 17, 2019, 8 a.m. | 21.1 ppb (20) | 2.8 ppb (3) | 23.9 ppb (22) | 18.0 ppb (17) | N/A | 0.0 ppb (0) | N/A | 0.22 ppb (2) | N/A | N/A | 22.0 | |
| Nov. 17, 2019, 7 a.m. | 30.6 ppb (28) | 7.5 ppb (7) | 35.1 ppb (32) | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.27 ppb (3) | N/A | N/A | 32.0 | |
| Nov. 17, 2019, 6 a.m. | 11.9 ppb (11) | 0.8 ppb (1) | 15.2 ppb (14) | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.19 ppb (2) | N/A | N/A | 14.0 | |
| Nov. 17, 2019, 5 a.m. | 28.1 ppb (26) | 4.3 ppb (4) | 30.8 ppb (29) | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.32 ppb (4) | N/A | N/A | 29.0 | |
| Nov. 17, 2019, 4 a.m. | 43.6 ppb (40) | 15.2 ppb (14) | 46.2 ppb (43) | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.37 ppb (4) | N/A | N/A | 43.0 | |
| Nov. 17, 2019, 3 a.m. | 46.7 ppb (43) | 17.5 ppb (16) | 51.0 ppb (47) | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.3 ppb (3) | N/A | N/A | 47.0 | |
| Nov. 17, 2019, 2 a.m. | 48.6 ppb (45) | 17.9 ppb (17) | 52.7 ppb (49) | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.34 ppb (4) | N/A | N/A | 49.0 | |
| Nov. 17, 2019, 1 a.m. | 51.7 ppb (48) | 19.2 ppb (18) | 56.3 ppb (52) | 33.0 ppb (31) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.36 ppb (4) | N/A | N/A | 52.0 | |
| Nov. 17, 2019, midnight | 31.5 ppb (29) | 5.7 ppb (5) | 33.9 ppb (31) | 26.0 ppb (24) | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.3 ppb (3) | N/A | N/A | 31.0 | |
| Nov. 16, 2019, 11 p.m. | 28.5 ppb (26) | 5.4 ppb (5) | 29.8 ppb (28) | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.3 ppb (3) | N/A | N/A | 28.0 | |
| Nov. 16, 2019, 10 p.m. | 15.4 ppb (14) | 3.1 ppb (3) | 17.6 ppb (16) | 13.0 ppb (12) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.23 ppb (3) | N/A | N/A | 16.0 | |
| Nov. 16, 2019, 9 p.m. | 9.9 ppb (9) | 2.5 ppb (2) | 14.2 ppb (13) | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.21 ppb (2) | N/A | N/A | 20.0 | |
| Nov. 16, 2019, 8 p.m. | 10.6 ppb (10) | 3.1 ppb (3) | 15.5 ppb (14) | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.2 ppb (2) | N/A | N/A | 19.0 | |
| Nov. 16, 2019, 7 p.m. | 7.4 ppb (7) | 2.3 ppb (2) | 11.8 ppb (11) | 5.0 ppb (5) | N/A | 2.0 ppb (3) | 27.0 ppb (21) | 0.23 ppb (3) | N/A | N/A | 21.0 | |
| Nov. 16, 2019, 6 p.m. | 7.1 ppb (7) | 2.6 ppb (2) | 12.2 ppb (11) | 5.0 ppb (5) | N/A | 2.0 ppb (3) | 27.0 ppb (21) | 0.22 ppb (2) | N/A | N/A | 21.0 | |
| Nov. 16, 2019, 5 p.m. | 13.6 ppb (13) | 5.6 ppb (5) | 17.9 ppb (17) | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.08 ppb (1) | N/A | N/A | 17.0 | |
| Nov. 16, 2019, 4 p.m. | 18.6 ppb (17) | 8.8 ppb (8) | 23.9 ppb (22) | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.1 ppb (1) | N/A | N/A | 22.0 | |
| Nov. 16, 2019, 3 p.m. | 26.3 ppb (24) | 12.4 ppb (11) | 29.6 ppb (27) | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.11 ppb (1) | N/A | N/A | 27.0 | |
| Nov. 16, 2019, 2 p.m. | 26.2 ppb (24) | 11.4 ppb (11) | 31.5 ppb (29) | 15.0 ppb (14) | N/A | 0.0 ppb (0) | 11.0 ppb (8) | 0.14 ppb (2) | N/A | N/A | 29.0 | |
| Nov. 16, 2019, 1 p.m. | 59.4 ppb (56) | 35.9 ppb (33) | 60.7 ppb (57) | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 2.0 ppb (2) | 0.37 ppb (4) | N/A | N/A | 57.0 | |
| Nov. 16, 2019, noon | 84.4 ppb (82) | 61.2 ppb (58) | 82.3 ppb (80) | 23.0 ppb (21) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.71 ppb (8) | N/A | N/A | 82.0 | |
| Nov. 16, 2019, 11 a.m. | 100.7 ppb (100) | 75.4 ppb (73) | 98.1 ppb (97) | 25.0 ppb (23) | N/A | 1.0 ppb (1) | 0.0 ppb (0) | 0.82 ppb (9) | N/A | N/A | 100.0 | |
| Nov. 16, 2019, 10 a.m. | 132.0 ppb (106) | 105.0 ppb (101) | 128.8 ppb (105) | 27.0 ppb (25) | N/A | 1.0 ppb (1) | 0.0 ppb (0) | N/A | N/A | N/A | 106.0 | |
| Nov. 16, 2019, 9 a.m. | 154.5 ppb (110) | 127.2 ppb (105) | 162.0 ppb (112) | 27.0 ppb (25) | N/A | 1.0 ppb (1) | 0.0 ppb (0) | 1.5 ppb (17) | N/A | N/A | 112.0 | |
| Nov. 16, 2019, 8 a.m. | 157.4 ppb (111) | 130.0 ppb (106) | 167.4 ppb (113) | 28.0 ppb (26) | N/A | 1.0 ppb (1) | 0.0 ppb (0) | 1.75 ppb (19) | N/A | N/A | 113.0 | |
| Nov. 16, 2019, 7 a.m. | 155.3 ppb (110) | 127.6 ppb (105) | 165.1 ppb (112) | 28.0 ppb (26) | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 1.81 ppb (20) | N/A | N/A | 112.0 | |
| Nov. 16, 2019, 6 a.m. | 134.8 ppb (106) | 105.7 ppb (101) | 144.2 ppb (108) | 29.0 ppb (27) | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 1.45 ppb (16) | N/A | N/A | 108.0 | |
| Nov. 16, 2019, 5 a.m. | 139.1 ppb (107) | 108.8 ppb (102) | 147.1 ppb (109) | 30.0 ppb (28) | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 1.81 ppb (20) | N/A | N/A | 109.0 | |
| Nov. 16, 2019, 4 a.m. | 135.4 ppb (107) | 103.9 ppb (101) | 141.9 ppb (108) | 32.0 ppb (30) | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 1.97 ppb (22) | N/A | N/A | 108.0 | |
| Nov. 16, 2019, 3 a.m. | 132.9 ppb (106) | 101.9 ppb (100) | 132.0 ppb (106) | 31.0 ppb (29) | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 1.72 ppb (19) | N/A | N/A | 106.0 | |
| Nov. 16, 2019, 2 a.m. | 132.4 ppb (106) | 101.6 ppb (100) | 129.8 ppb (106) | 31.0 ppb (29) | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 1.62 ppb (18) | N/A | N/A | 106.0 | |
| Nov. 16, 2019, 1 a.m. | 103.3 ppb (100) | 71.0 ppb (68) | 112.5 ppb (102) | 32.0 ppb (30) | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 1.23 ppb (14) | N/A | N/A | 102.0 | |
| Nov. 16, 2019, midnight | 74.2 ppb (71) | 39.7 ppb (37) | 76.2 ppb (74) | 34.0 ppb (31) | N/A | 1.0 ppb (1) | 0.0 ppb (0) | 0.83 ppb (9) | N/A | N/A | 74.0 | |
| Nov. 15, 2019, 11 p.m. | 38.1 ppb (35) | 7.5 ppb (7) | 46.8 ppb (43) | 31.0 ppb (29) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.34 ppb (4) | N/A | N/A | 43.0 | |
| Nov. 15, 2019, 10 p.m. | 19.6 ppb (18) | 2.2 ppb (2) | 19.8 ppb (18) | 17.0 ppb (16) | N/A | 2.0 ppb (3) | 18.0 ppb (14) | 0.18 ppb (2) | N/A | N/A | 18.0 | |
| Nov. 15, 2019, 9 p.m. | 23.6 ppb (22) | 6.3 ppb (6) | 26.0 ppb (24) | 18.0 ppb (17) | N/A | 2.0 ppb (3) | 18.0 ppb (14) | 0.18 ppb (2) | N/A | N/A | 24.0 | |
| Nov. 15, 2019, 8 p.m. | 21.3 ppb (20) | 7.6 ppb (7) | 23.4 ppb (22) | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.19 ppb (2) | N/A | N/A | 22.0 | |
| Nov. 15, 2019, 7 p.m. | 20.9 ppb (19) | 8.2 ppb (8) | 23.9 ppb (22) | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.19 ppb (2) | N/A | N/A | 22.0 | |
| Nov. 15, 2019, 6 p.m. | 36.6 ppb (34) | 17.6 ppb (16) | 41.9 ppb (39) | 19.0 ppb (18) | N/A | 2.0 ppb (3) | 17.0 ppb (13) | 0.29 ppb (3) | N/A | N/A | 39.0 | |
| Nov. 15, 2019, 5 p.m. | 40.4 ppb (37) | 20.2 ppb (19) | 45.4 ppb (42) | 20.0 ppb (19) | N/A | 2.0 ppb (3) | 15.0 ppb (12) | 0.3 ppb (3) | N/A | N/A | 42.0 | |
| Nov. 15, 2019, 4 p.m. | 46.8 ppb (43) | 25.3 ppb (23) | 53.2 ppb (49) | 22.0 ppb (20) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.3 ppb (3) | N/A | N/A | 49.0 | |
| Nov. 15, 2019, 3 p.m. | 47.9 ppb (44) | 27.3 ppb (25) | 54.4 ppb (50) | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.48 ppb (5) | N/A | 35.7 μg/m3 (100) | 100.0 | |
| Nov. 15, 2019, 2 p.m. | 105.3 ppb (101) | 77.1 ppb (75) | 111.8 ppb (102) | 28.0 ppb (26) | N/A | 1.0 ppb (1) | 2.0 ppb (2) | 0.84 ppb (9) | N/A | 35.7 μg/m3 (100) | 102.0 | |
| Nov. 15, 2019, 1 p.m. | 158.3 ppb (111) | 132.8 ppb (106) | 168.8 ppb (113) | 26.0 ppb (24) | N/A | 1.0 ppb (1) | 1.0 ppb (1) | 1.36 ppb (15) | N/A | 26.9 μg/m3 (82) | 113.0 | |
| Nov. 15, 2019, noon | 124.1 ppb (104) | 102.8 ppb (100) | 132.6 ppb (106) | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 0.0 ppb (0) | 0.95 ppb (11) | N/A | 9.7 μg/m3 (40) | 106.0 | |
| Nov. 15, 2019, 11 a.m. | 118.6 ppb (103) | 97.0 ppb (96) | 130.0 ppb (106) | 22.0 ppb (20) | N/A | N/A | 0.0 ppb (0) | 0.99 ppb (11) | N/A | N/A | 106.0 | |
| Nov. 15, 2019, 10 a.m. | 92.8 ppb (91) | 70.2 ppb (67) | 103.3 ppb (100) | 23.0 ppb (21) | N/A | N/A | 0.0 ppb (0) | 0.7 ppb (8) | N/A | -4.9 μg/m3 (0) | 100.0 | |
| Nov. 15, 2019, 9 a.m. | 89.7 ppb (88) | 65.9 ppb (63) | 96.9 ppb (96) | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.67 ppb (7) | N/A | -1.7 μg/m3 (0) | 96.0 | |
| Nov. 15, 2019, 8 a.m. | 91.9 ppb (90) | 67.7 ppb (65) | 101.1 ppb (100) | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.75 ppb (8) | N/A | N/A | 100.0 | |
| Nov. 15, 2019, 7 a.m. | 65.5 ppb (62) | 41.7 ppb (39) | 71.1 ppb (68) | 24.0 ppb (22) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.58 ppb (6) | N/A | 12.9 μg/m3 (52) | 68.0 | |
| Nov. 15, 2019, 6 a.m. | 58.4 ppb (55) | 33.5 ppb (31) | 62.8 ppb (59) | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.58 ppb (6) | N/A | 15.9 μg/m3 (58) | 59.0 | |
| Nov. 15, 2019, 5 a.m. | 50.8 ppb (47) | 24.0 ppb (22) | 50.0 ppb (46) | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.66 ppb (7) | N/A | 15.4 μg/m3 (57) | 57.0 | |
| Nov. 15, 2019, 4 a.m. | 50.9 ppb (47) | 23.4 ppb (22) | 45.4 ppb (42) | 28.0 ppb (26) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.59 ppb (7) | N/A | N/A | 47.0 | |
| Nov. 15, 2019, 3 a.m. | 61.3 ppb (58) | 32.1 ppb (30) | 54.6 ppb (51) | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.64 ppb (7) | N/A | 14.9 μg/m3 (56) | 58.0 | |
| Nov. 15, 2019, 2 a.m. | 78.7 ppb (76) | 51.1 ppb (47) | 80.4 ppb (78) | 28.0 ppb (26) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.82 ppb (9) | N/A | 17.5 μg/m3 (62) | 78.0 | |
| Nov. 15, 2019, 1 a.m. | 51.7 ppb (48) | 21.5 ppb (20) | 52.9 ppb (49) | 30.0 ppb (28) | N/A | 0.0 ppb (0) | 0.0 ppb (0) | 0.55 ppb (6) | N/A | 21.1 μg/m3 (69) | 69.0 | |
| Nov. 15, 2019, midnight | 43.5 ppb (40) | 12.5 ppb (12) | 42.0 ppb (39) | 31.0 ppb (29) | N/A | 0.0 ppb (0) | 1.0 ppb (1) | 0.65 ppb (7) | N/A | 1.7 μg/m3 (7) | 40.0 | |
| Nov. 14, 2019, 11 p.m. | 28.8 ppb (27) | 3.0 ppb (3) | 29.5 ppb (27) | 26.0 ppb (24) | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.3 ppb (3) | N/A | 11.5 μg/m3 (48) | 48.0 | |
| Nov. 14, 2019, 10 p.m. | 10.0 ppb (9) | 0.7 ppb (1) | 11.7 ppb (11) | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.19 ppb (2) | N/A | 8.6 μg/m3 (36) | 36.0 | |
| Nov. 14, 2019, 9 p.m. | 8.2 ppb (8) | 2.2 ppb (2) | 10.5 ppb (10) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.23 ppb (3) | N/A | 4.4 μg/m3 (18) | 18.0 | |
| Nov. 14, 2019, 8 p.m. | 6.6 ppb (6) | 2.6 ppb (2) | 9.0 ppb (8) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.16 ppb (2) | N/A | -4.1 μg/m3 (0) | 21.0 | |
| Nov. 14, 2019, 7 p.m. | 13.1 ppb (12) | 5.2 ppb (5) | 11.2 ppb (10) | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.19 ppb (2) | N/A | 5.6 μg/m3 (23) | 23.0 | |
| Nov. 14, 2019, 6 p.m. | 7.1 ppb (7) | 3.2 ppb (3) | 10.3 ppb (10) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.17 ppb (2) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| Nov. 14, 2019, 5 p.m. | 10.0 ppb (9) | 5.3 ppb (5) | 12.1 ppb (11) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.23 ppb (3) | N/A | 7.8 μg/m3 (32) | 32.0 | |
| Nov. 14, 2019, 4 p.m. | 13.0 ppb (12) | 5.8 ppb (5) | 14.0 ppb (13) | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 19.0 ppb (15) | 0.21 ppb (2) | N/A | 11.6 μg/m3 (48) | 48.0 | |
| Nov. 14, 2019, 3 p.m. | 24.4 ppb (23) | 9.4 ppb (9) | 24.6 ppb (23) | 15.0 ppb (14) | N/A | 3.0 ppb (4) | 14.0 ppb (11) | 0.24 ppb (3) | N/A | 7.1 μg/m3 (30) | 30.0 | |
| Nov. 14, 2019, 2 p.m. | 25.4 ppb (24) | 8.4 ppb (8) | 25.4 ppb (24) | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.32 ppb (4) | N/A | 1.4 μg/m3 (6) | 24.0 |