Kansas City (Harvard Lane) MO, US: 39.047911, -94.450513
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 20, 2019, 1 a.m. | 10.1 ppb (9) | 0.3 ppb (0) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 2.3 μg/m3 (10) | 10.0 | |
| May 20, 2019, midnight | 2.9 ppb (3) | 0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | 2.7 μg/m3 (11) | 11.0 | |
| May 19, 2019, 11 p.m. | 4.4 ppb (4) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 1.1 μg/m3 (5) | 5.0 | |
| May 19, 2019, 10 p.m. | 5.3 ppb (5) | 1.7 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 0.2 μg/m3 (1) | 5.0 | |
| May 19, 2019, 9 p.m. | 4.5 ppb (4) | 1.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 4.4 μg/m3 (18) | 18.0 | |
| May 19, 2019, 8 p.m. | 6.6 ppb (6) | 2.7 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| May 19, 2019, 7 p.m. | 4.3 ppb (4) | 1.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 2.2 μg/m3 (9) | 9.0 | |
| May 19, 2019, 6 p.m. | 4.6 ppb (4) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 4.4 μg/m3 (18) | 18.0 | |
| May 19, 2019, 5 p.m. | 4.6 ppb (4) | 1.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 4.3 μg/m3 (18) | 18.0 | |
| May 19, 2019, 4 p.m. | 4.8 ppb (4) | 1.7 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | 1.9 μg/m3 (8) | 8.0 | |
| May 19, 2019, 3 p.m. | 3.9 ppb (4) | 1.1 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | 1.3 μg/m3 (5) | 5.0 | |
| May 19, 2019, 2 p.m. | 5.5 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.15 ppb (2) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| May 19, 2019, 1 p.m. | 10.5 ppb (10) | 0.9 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 2.3 μg/m3 (10) | 10.0 | |
| May 19, 2019, noon | 8.2 ppb (8) | 0.9 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 4.7 μg/m3 (20) | 20.0 | |
| May 19, 2019, 11 a.m. | 4.7 ppb (4) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 0.9 μg/m3 (4) | 4.0 | |
| May 19, 2019, 10 a.m. | 4.4 ppb (4) | 0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.13 ppb (1) | N/A | -0.2 μg/m3 (0) | 4.0 | |
| May 19, 2019, 9 a.m. | 3.4 ppb (3) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.14 ppb (2) | N/A | 3.1 μg/m3 (13) | 13.0 | |
| May 19, 2019, 8 a.m. | 4.9 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 1.2 μg/m3 (5) | 5.0 | |
| May 19, 2019, 7 a.m. | 4.6 ppb (4) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| May 19, 2019, 6 a.m. | 6.0 ppb (6) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 2.4 μg/m3 (10) | 10.0 | |
| May 19, 2019, 5 a.m. | 7.9 ppb (7) | 1.1 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 1.8 μg/m3 (8) | 8.0 | |
| May 19, 2019, 4 a.m. | 9.2 ppb (9) | 2.6 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 0.4 μg/m3 (2) | 9.0 | |
| May 19, 2019, 3 a.m. | 21.4 ppb (20) | 6.9 ppb (6) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 2.3 μg/m3 (10) | 20.0 | |
| May 19, 2019, 2 a.m. | 17.1 ppb (16) | 5.9 ppb (5) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 2.3 μg/m3 (10) | 16.0 | |
| May 19, 2019, 1 a.m. | 26.3 ppb (24) | 7.9 ppb (7) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| May 19, 2019, midnight | 20.7 ppb (19) | 4.5 ppb (4) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| May 18, 2019, 11 p.m. | 18.7 ppb (17) | 3.7 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 1.4 μg/m3 (6) | 17.0 | |
| May 18, 2019, 10 p.m. | 8.2 ppb (8) | 0.8 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | -4.7 μg/m3 (0) | 8.0 | |
| May 18, 2019, 9 p.m. | 5.4 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 2.7 μg/m3 (11) | 11.0 | |
| May 18, 2019, 8 p.m. | 8.8 ppb (8) | 0.9 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 8.0 | |
| May 18, 2019, 7 p.m. | 7.6 ppb (7) | 0.4 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| May 18, 2019, 6 p.m. | 28.8 ppb (27) | 13.2 ppb (12) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 13.7 μg/m3 (54) | 54.0 | |
| May 18, 2019, 5 p.m. | 28.0 ppb (26) | 11.3 ppb (10) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | -0.2 μg/m3 (0) | 26.0 | |
| May 18, 2019, 4 p.m. | 19.1 ppb (18) | 4.6 ppb (4) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| May 18, 2019, 3 p.m. | 19.9 ppb (18) | 8.5 ppb (8) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| May 18, 2019, 2 p.m. | 26.4 ppb (24) | 10.8 ppb (10) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| May 18, 2019, 1 p.m. | 22.8 ppb (21) | 7.3 ppb (7) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 5.2 μg/m3 (22) | 22.0 | |
| May 18, 2019, noon | 12.8 ppb (12) | 3.1 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| May 18, 2019, 11 a.m. | 7.3 ppb (7) | 1.7 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 18, 2019, 10 a.m. | 6.5 ppb (6) | 2.3 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 11.2 μg/m3 (47) | 47.0 | |
| May 18, 2019, 9 a.m. | 5.3 ppb (5) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| May 18, 2019, 8 a.m. | 5.8 ppb (5) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| May 18, 2019, 7 a.m. | 4.4 ppb (4) | 1.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 1.7 μg/m3 (7) | 7.0 | |
| May 18, 2019, 6 a.m. | 11.1 ppb (10) | 4.7 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 16.5 μg/m3 (60) | 60.0 | |
| May 18, 2019, 5 a.m. | 10.7 ppb (10) | 3.9 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 17.6 μg/m3 (62) | 62.0 | |
| May 18, 2019, 4 a.m. | 33.3 ppb (31) | 17.0 ppb (16) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 22.7 μg/m3 (73) | 73.0 | |
| May 18, 2019, 3 a.m. | 22.2 ppb (21) | 9.2 ppb (9) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 14.2 μg/m3 (55) | 55.0 | |
| May 18, 2019, 2 a.m. | 19.4 ppb (18) | 6.8 ppb (6) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 9.6 μg/m3 (40) | 40.0 | |
| May 18, 2019, 1 a.m. | 13.1 ppb (12) | 4.9 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 6.6 μg/m3 (28) | 28.0 | |
| May 18, 2019, midnight | 18.9 ppb (18) | 7.3 ppb (7) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 6.6 μg/m3 (28) | 28.0 | |
| May 17, 2019, 11 p.m. | 19.9 ppb (18) | 9.4 ppb (9) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| May 17, 2019, 10 p.m. | 15.9 ppb (15) | 6.3 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 8.7 μg/m3 (36) | 36.0 | |
| May 17, 2019, 9 p.m. | 16.6 ppb (15) | 6.7 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| May 17, 2019, 8 p.m. | 16.3 ppb (15) | 7.6 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| May 17, 2019, 7 p.m. | 20.7 ppb (19) | 9.8 ppb (9) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 17, 2019, 6 p.m. | 18.0 ppb (17) | 7.4 ppb (7) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 11.4 μg/m3 (48) | 48.0 | |
| May 17, 2019, 5 p.m. | 16.0 ppb (15) | 6.5 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 3.5 μg/m3 (15) | 15.0 | |
| May 17, 2019, 4 p.m. | 12.9 ppb (12) | 4.8 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 6.2 μg/m3 (26) | 26.0 | |
| May 17, 2019, 3 p.m. | 10.0 ppb (9) | 3.2 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 17, 2019, 2 p.m. | 13.6 ppb (13) | 4.6 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| May 17, 2019, 1 p.m. | 11.7 ppb (11) | 3.7 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| May 17, 2019, noon | 13.2 ppb (12) | 3.9 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 13.8 μg/m3 (54) | 54.0 | |
| May 17, 2019, 11 a.m. | 12.2 ppb (11) | 2.9 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 8.5 μg/m3 (35) | 35.0 | |
| May 17, 2019, 10 a.m. | 8.2 ppb (8) | 1.4 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| May 17, 2019, 9 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 | 7.9 μg/m3 (33) | 33.0 | |
| May 17, 2019, 8 a.m. | 4.6 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 8.9 μg/m3 (37) | 37.0 | |
| May 17, 2019, 7 a.m. | 4.7 ppb (4) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| May 17, 2019, 6 a.m. | 4.9 ppb (5) | 0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 7.8 μg/m3 (32) | 32.0 | |
| May 17, 2019, 5 a.m. | 6.6 ppb (6) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 8.9 μg/m3 (37) | 37.0 | |
| May 17, 2019, 4 a.m. | 7.9 ppb (7) | 0.9 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| May 17, 2019, 3 a.m. | 7.3 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 17, 2019, 2 a.m. | 8.6 ppb (8) | 1.2 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 10.2 μg/m3 (42) | 42.0 | |
| May 17, 2019, 1 a.m. | 11.0 ppb (10) | 1.5 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| May 17, 2019, midnight | 12.1 ppb (11) | 2.6 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| May 16, 2019, 11 p.m. | 14.6 ppb (14) | 4.5 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| May 16, 2019, 10 p.m. | 12.6 ppb (12) | 4.2 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 7.2 μg/m3 (30) | 30.0 | |
| May 16, 2019, 9 p.m. | 12.9 ppb (12) | 4.9 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| May 16, 2019, 8 p.m. | 15.1 ppb (14) | 5.7 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 12.9 μg/m3 (52) | 52.0 | |
| May 16, 2019, 7 p.m. | 10.4 ppb (10) | 3.3 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 14.9 μg/m3 (56) | 56.0 | |
| May 16, 2019, 6 p.m. | 9.5 ppb (9) | 3.1 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| May 16, 2019, 5 p.m. | 10.1 ppb (9) | 3.2 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 15.8 μg/m3 (58) | 58.0 | |
| May 16, 2019, 4 p.m. | 9.8 ppb (9) | 3.2 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 11.6 μg/m3 (48) | 48.0 | |
| May 16, 2019, 3 p.m. | 13.4 ppb (12) | 4.6 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 16, 2019, 2 p.m. | 13.1 ppb (12) | 4.7 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 7.9 μg/m3 (33) | 33.0 | |
| May 16, 2019, 1 p.m. | 15.3 ppb (14) | 5.5 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 10.3 μg/m3 (43) | 43.0 | |
| May 16, 2019, noon | 15.4 ppb (14) | 5.2 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 9.5 μg/m3 (40) | 40.0 | |
| May 16, 2019, 11 a.m. | 20.6 ppb (19) | 6.3 ppb (6) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| May 16, 2019, 10 a.m. | 15.4 ppb (14) | 3.6 ppb (3) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | 2.8 μg/m3 (12) | 14.0 | |
| May 16, 2019, 9 a.m. | 7.7 ppb (7) | 1.1 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| May 16, 2019, 8 a.m. | 6.2 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 7.8 μg/m3 (32) | 32.0 | |
| May 16, 2019, 7 a.m. | 6.7 ppb (6) | 1.8 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 13.2 μg/m3 (53) | 53.0 | |
| May 16, 2019, 6 a.m. | 9.0 ppb (8) | 2.8 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 10.2 μg/m3 (42) | 42.0 | |
| May 16, 2019, 5 a.m. | 14.0 ppb (13) | 4.1 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 10.3 μg/m3 (43) | 43.0 | |
| May 16, 2019, 4 a.m. | 17.2 ppb (16) | 4.6 ppb (4) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 16, 2019, 3 a.m. | 26.6 ppb (25) | 8.4 ppb (8) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | 11.5 μg/m3 (48) | 48.0 | |
| May 16, 2019, 2 a.m. | 42.3 ppb (39) | 14.7 ppb (14) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 13.4 μg/m3 (53) | 53.0 | |
| May 16, 2019, 1 a.m. | 47.7 ppb (44) | 19.6 ppb (18) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 15.9 μg/m3 (58) | 58.0 | |
| May 16, 2019, midnight | 35.4 ppb (33) | 12.1 ppb (11) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | 7.2 μg/m3 (30) | 33.0 | |
| May 15, 2019, 11 p.m. | 34.0 ppb (31) | 13.7 ppb (13) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| May 15, 2019, 10 p.m. | 27.9 ppb (26) | 10.4 ppb (10) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | 6.6 μg/m3 (28) | 28.0 | |
| May 15, 2019, 9 p.m. | 33.3 ppb (31) | 12.9 ppb (12) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 11.6 μg/m3 (48) | 48.0 | |
| May 15, 2019, 8 p.m. | 32.3 ppb (30) | 12.1 ppb (11) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| May 15, 2019, 7 p.m. | 29.4 ppb (27) | 12.1 ppb (11) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | 11.4 μg/m3 (48) | 48.0 | |
| May 15, 2019, 6 p.m. | 25.7 ppb (24) | 9.6 ppb (9) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.37 ppb (4) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| May 15, 2019, 5 p.m. | 17.1 ppb (16) | 6.2 ppb (6) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 5.7 μg/m3 (24) | 24.0 | |
| May 15, 2019, 4 p.m. | 10.4 ppb (10) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| May 15, 2019, 3 p.m. | 11.3 ppb (10) | 3.1 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| May 15, 2019, 2 p.m. | 8.0 ppb (7) | 1.4 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | 6.1 μg/m3 (25) | 25.0 | |
| May 15, 2019, 1 p.m. | 31.1 ppb (29) | 11.7 ppb (11) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | 4.7 μg/m3 (20) | 29.0 | |
| May 15, 2019, noon | 34.9 ppb (32) | 15.7 ppb (15) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 3.9 μg/m3 (16) | 32.0 | |
| May 15, 2019, 11 a.m. | 38.6 ppb (36) | 14.3 ppb (13) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | 11.1 μg/m3 (46) | 46.0 | |
| May 15, 2019, 10 a.m. | 36.1 ppb (33) | 12.8 ppb (12) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | 12.9 μg/m3 (52) | 52.0 | |
| May 15, 2019, 9 a.m. | 54.4 ppb (50) | 24.2 ppb (22) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 12.4 μg/m3 (51) | 51.0 | |
| May 15, 2019, 8 a.m. | 80.9 ppb (79) | 47.9 ppb (44) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 14.4 μg/m3 (55) | 79.0 | |
| May 15, 2019, 7 a.m. | 70.5 ppb (68) | 35.2 ppb (33) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 13.5 μg/m3 (53) | 68.0 | |
| May 15, 2019, 6 a.m. | 39.9 ppb (37) | 9.6 ppb (9) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | 10.9 μg/m3 (45) | 45.0 | |
| May 15, 2019, 5 a.m. | 22.9 ppb (21) | 2.0 ppb (2) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| May 15, 2019, 4 a.m. | 30.2 ppb (28) | 6.8 ppb (6) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| May 15, 2019, 3 a.m. | 29.1 ppb (27) | 6.8 ppb (6) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | 7.5 μg/m3 (31) | 31.0 | |
| May 15, 2019, 2 a.m. | 42.6 ppb (39) | 6.0 ppb (6) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 11.9 μg/m3 (50) | 50.0 | |
| May 15, 2019, 1 a.m. | 37.0 ppb (34) | 7.5 ppb (7) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 15, 2019, midnight | 21.1 ppb (20) | 4.2 ppb (4) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| May 14, 2019, 11 p.m. | 14.9 ppb (14) | 3.4 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 6.2 μg/m3 (26) | 26.0 | |
| May 14, 2019, 10 p.m. | 18.0 ppb (17) | 5.6 ppb (5) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| May 14, 2019, 9 p.m. | 21.2 ppb (20) | 9.4 ppb (9) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| May 14, 2019, 8 p.m. | 22.1 ppb (20) | 10.4 ppb (10) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 8.5 μg/m3 (35) | 35.0 | |
| May 14, 2019, 7 p.m. | 22.6 ppb (21) | 10.8 ppb (10) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 0.0 μg/m3 (0) | 21.0 | |
| May 14, 2019, 6 p.m. | 24.7 ppb (23) | 12.7 ppb (12) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | N/A | 23.0 | |
| May 14, 2019, 5 p.m. | 20.5 ppb (19) | 10.9 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| May 14, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 6.6 μg/m3 (28) | 28.0 | |
| May 14, 2019, 3 p.m. | 20.6 ppb (19) | 11.1 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | 5.6 μg/m3 (23) | 23.0 | |
| May 14, 2019, 2 p.m. | 24.0 ppb (22) | 14.5 ppb (13) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.28 ppb (3) | N/A | 6.8 μg/m3 (28) | 28.0 | |
| May 14, 2019, 1 p.m. | 31.8 ppb (29) | 19.0 ppb (18) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | 1.6 μg/m3 (7) | 29.0 | |
| May 14, 2019, noon | 29.0 ppb (27) | 17.0 ppb (16) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | 6.4 μg/m3 (27) | 27.0 | |
| May 14, 2019, 11 a.m. | 28.7 ppb (27) | 16.0 ppb (15) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | 6.5 μg/m3 (27) | 27.0 | |
| May 14, 2019, 10 a.m. | 15.5 ppb (14) | 7.6 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | 6.5 μg/m3 (27) | 27.0 | |
| May 14, 2019, 9 a.m. | 10.2 ppb (9) | 4.4 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 2.5 μg/m3 (10) | 10.0 | |
| May 14, 2019, 8 a.m. | 7.8 ppb (7) | 3.2 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 2.0 μg/m3 (8) | 8.0 | |
| May 14, 2019, 7 a.m. | 7.5 ppb (7) | 3.3 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 3.5 μg/m3 (15) | 15.0 | |
| May 14, 2019, 6 a.m. | 7.7 ppb (7) | 2.5 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 5.3 μg/m3 (22) | 22.0 | |
| May 14, 2019, 5 a.m. | 14.8 ppb (14) | 5.1 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.22 ppb (2) | N/A | 5.2 μg/m3 (22) | 22.0 | |
| May 14, 2019, 4 a.m. | 17.8 ppb (16) | 5.1 ppb (5) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 7.6 μg/m3 (32) | 32.0 | |
| May 14, 2019, 3 a.m. | 28.9 ppb (27) | 10.9 ppb (10) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 12.9 μg/m3 (52) | 52.0 | |
| May 14, 2019, 2 a.m. | 36.4 ppb (34) | 12.3 ppb (11) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 14, 2019, 1 a.m. | 54.3 ppb (50) | 30.1 ppb (28) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | 9.9 μg/m3 (41) | 50.0 | |
| May 14, 2019, midnight | 27.6 ppb (26) | 9.8 ppb (9) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | 6.6 μg/m3 (28) | 28.0 | |
| May 13, 2019, 11 p.m. | 26.5 ppb (25) | 10.7 ppb (10) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | 6.5 μg/m3 (27) | 27.0 | |
| May 13, 2019, 10 p.m. | 26.4 ppb (24) | 10.7 ppb (10) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| May 13, 2019, 9 p.m. | 22.8 ppb (21) | 10.2 ppb (9) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 8.1 μg/m3 (34) | 34.0 | |
| May 13, 2019, 8 p.m. | 22.4 ppb (21) | 10.0 ppb (9) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | 9.9 μg/m3 (41) | 41.0 | |
| May 13, 2019, 7 p.m. | 14.6 ppb (14) | 6.6 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 4.5 μg/m3 (19) | 19.0 | |
| May 13, 2019, 6 p.m. | 9.6 ppb (9) | 3.7 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | 0.5 μg/m3 (2) | 9.0 | |
| May 13, 2019, 5 p.m. | 10.1 ppb (9) | 4.5 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | N/A | 9.0 | |
| May 13, 2019, 4 p.m. | 21.0 ppb (19) | 11.1 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| May 13, 2019, 3 p.m. | 20.6 ppb (19) | 10.7 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | 0.9 μg/m3 (4) | 19.0 | |
| May 13, 2019, 2 p.m. | 27.9 ppb (26) | 17.5 ppb (16) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | -0.6 μg/m3 (0) | 26.0 | |
| May 13, 2019, 1 p.m. | 30.5 ppb (28) | 17.6 ppb (16) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | 3.8 μg/m3 (16) | 28.0 | |
| May 13, 2019, noon | 36.7 ppb (34) | 19.7 ppb (18) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | 6.2 μg/m3 (26) | 34.0 | |
| May 13, 2019, 11 a.m. | 17.5 ppb (16) | 4.8 ppb (4) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.27 ppb (3) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| May 13, 2019, 10 a.m. | 23.3 ppb (22) | 5.9 ppb (5) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 6.6 μg/m3 (28) | 28.0 | |
| May 13, 2019, 9 a.m. | 21.4 ppb (20) | 5.7 ppb (5) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 4.2 μg/m3 (18) | 20.0 | |
| May 13, 2019, 8 a.m. | 10.6 ppb (10) | 0.6 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 1.7 μg/m3 (7) | 10.0 | |
| May 13, 2019, 7 a.m. | 4.5 ppb (4) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.16 ppb (2) | N/A | 2.8 μg/m3 (12) | 12.0 | |
| May 13, 2019, 6 a.m. | 5.4 ppb (5) | 0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.18 ppb (2) | N/A | 1.1 μg/m3 (5) | 5.0 | |
| May 13, 2019, 5 a.m. | 5.5 ppb (5) | 0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.17 ppb (2) | N/A | 0.8 μg/m3 (3) | 5.0 | |
| May 13, 2019, 4 a.m. | 8.4 ppb (8) | 0.3 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | 1.7 μg/m3 (7) | 8.0 | |
| May 13, 2019, 3 a.m. | 8.9 ppb (8) | 0.3 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 3.9 μg/m3 (16) | 16.0 | |
| May 13, 2019, 2 a.m. | 18.2 ppb (17) | 1.5 ppb (1) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | 9.9 μg/m3 (41) | 41.0 |