Fort Lauderdale FL, US: 26.131256, -80.167847
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 23, 2019, 9 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | -1.2 μg/m3 (0) | 13.0 | |
| May 23, 2019, 8 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 7.1 μg/m3 (30) | 30.0 | |
| May 23, 2019, 7 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.19 ppb (2) | N/A | 2.4 μg/m3 (10) | 10.0 | |
| May 23, 2019, 6 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| May 23, 2019, 5 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.21 ppb (2) | N/A | -2.1 μg/m3 (0) | 4.0 | |
| May 23, 2019, 4 a.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 8.2 μg/m3 (34) | 34.0 | |
| May 23, 2019, 3 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 6.7 μg/m3 (28) | 28.0 | |
| May 23, 2019, 2 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | 13.7 μg/m3 (54) | 54.0 | |
| May 23, 2019, 1 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 0.5 μg/m3 (2) | 9.0 | |
| May 23, 2019, midnight | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | 15.1 μg/m3 (57) | 57.0 | |
| May 22, 2019, 11 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | -0.2 μg/m3 (0) | 11.0 | |
| May 22, 2019, 10 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 4.9 μg/m3 (20) | 20.0 | |
| May 22, 2019, 9 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 7.7 μg/m3 (32) | 32.0 | |
| May 22, 2019, 8 p.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 0.9 μg/m3 (4) | 17.0 | |
| May 22, 2019, 7 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 4.4 μg/m3 (18) | 18.0 | |
| May 22, 2019, 6 p.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 4.9 μg/m3 (20) | 20.0 | |
| May 22, 2019, 5 p.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | 12.4 μg/m3 (51) | 51.0 | |
| May 22, 2019, 4 p.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| May 22, 2019, 3 p.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| May 22, 2019, 2 p.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 6.2 μg/m3 (26) | 26.0 | |
| May 22, 2019, 1 p.m. | N/A | N/A | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | 35.4 μg/m3 (100) | 100.0 | |
| May 22, 2019, noon | N/A | N/A | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | 41.6 μg/m3 (115) | 115.0 | |
| May 22, 2019, 11 a.m. | N/A | N/A | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.89 ppb (10) | N/A | 29.3 μg/m3 (87) | 87.0 | |
| May 22, 2019, 10 a.m. | N/A | N/A | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | 9.4 μg/m3 (39) | 39.0 | |
| May 22, 2019, 9 a.m. | N/A | N/A | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 2.0 μg/m3 (8) | 31.0 | |
| May 22, 2019, 8 a.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | 9.1 μg/m3 (38) | 38.0 | |
| May 22, 2019, 7 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 8.6 μg/m3 (36) | 36.0 | |
| May 22, 2019, 6 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | -0.3 μg/m3 (0) | 10.0 | |
| May 22, 2019, 5 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 8.9 μg/m3 (37) | 37.0 | |
| May 22, 2019, 4 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | 10.2 μg/m3 (42) | 42.0 | |
| May 22, 2019, 3 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | 9.4 μg/m3 (39) | 39.0 | |
| May 22, 2019, 2 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | 12.8 μg/m3 (52) | 52.0 | |
| May 22, 2019, 1 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | -3.8 μg/m3 (0) | 14.0 | |
| May 22, 2019, midnight | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 5.3 μg/m3 (22) | 22.0 | |
| May 21, 2019, 11 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 3.9 μg/m3 (16) | 16.0 | |
| May 21, 2019, 10 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | 20.6 μg/m3 (68) | 68.0 | |
| May 21, 2019, 9 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 25.3 μg/m3 (78) | 78.0 | |
| May 21, 2019, 8 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 31.2 μg/m3 (91) | 91.0 | |
| May 21, 2019, 7 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | 4.5 μg/m3 (19) | 19.0 | |
| May 21, 2019, 6 p.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | -1.8 μg/m3 (0) | 21.0 | |
| May 21, 2019, 5 p.m. | N/A | N/A | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | 18.4 μg/m3 (64) | 64.0 | |
| May 21, 2019, 4 p.m. | N/A | N/A | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | 3.4 μg/m3 (14) | 24.0 | |
| May 21, 2019, 3 p.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 4.5 μg/m3 (19) | 26.0 | |
| May 21, 2019, 2 p.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.64 ppb (7) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| May 21, 2019, 1 p.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| May 21, 2019, noon | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | -4.2 μg/m3 (0) | 21.0 | |
| May 21, 2019, 11 a.m. | N/A | N/A | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | 7.5 μg/m3 (31) | 31.0 | |
| May 21, 2019, 10 a.m. | N/A | N/A | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.96 ppb (11) | N/A | 14.1 μg/m3 (54) | 54.0 | |
| May 21, 2019, 9 a.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| May 21, 2019, 8 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | 2.6 μg/m3 (11) | 19.0 | |
| May 21, 2019, 7 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.26 ppb (3) | N/A | 2.1 μg/m3 (9) | 11.0 | |
| May 21, 2019, 6 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | 9.2 μg/m3 (38) | 38.0 | |
| May 21, 2019, 5 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | 10.2 μg/m3 (42) | 42.0 | |
| May 21, 2019, 4 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.31 ppb (3) | N/A | -2.5 μg/m3 (0) | 8.0 | |
| May 21, 2019, 3 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.36 ppb (4) | N/A | -3.0 μg/m3 (0) | 8.0 | |
| May 21, 2019, 2 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | 6.1 μg/m3 (25) | 25.0 | |
| May 21, 2019, 1 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 11.7 μg/m3 (49) | 49.0 | |
| May 21, 2019, midnight | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 14.1 μg/m3 (54) | 54.0 | |
| May 20, 2019, 11 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 1.1 μg/m3 (5) | 13.0 | |
| May 20, 2019, 10 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| May 20, 2019, 9 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | 9.6 μg/m3 (40) | 40.0 | |
| May 20, 2019, 8 p.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | 5.9 μg/m3 (25) | 25.0 | |
| May 20, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.57 ppb (6) | N/A | -3.9 μg/m3 (0) | 6.0 | |
| May 20, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.55 ppb (6) | N/A | 3.4 μg/m3 (14) | 14.0 | |
| May 20, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 12.7 μg/m3 (51) | 51.0 | |
| May 20, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.56 ppb (6) | N/A | -4.6 μg/m3 (0) | 6.0 | |
| May 20, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.55 ppb (6) | N/A | 1.0 μg/m3 (4) | 6.0 | |
| May 20, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 6.8 μg/m3 (28) | 28.0 | |
| May 20, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.78 ppb (9) | N/A | 27.5 μg/m3 (83) | 83.0 | |
| May 20, 2019, noon | N/A | N/A | N/A | 33.0 ppb (31) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | N/A | 31.0 | |
| May 20, 2019, 11 a.m. | N/A | N/A | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 34.0 | |
| May 20, 2019, 10 a.m. | N/A | N/A | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| May 20, 2019, 9 a.m. | N/A | N/A | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | 9.3 μg/m3 (39) | 39.0 | |
| May 20, 2019, 8 a.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 26.0 | |
| May 20, 2019, 7 a.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | 22.3 μg/m3 (72) | 72.0 | |
| May 20, 2019, 6 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | N/A | 14.0 | |
| May 20, 2019, 5 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.29 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 20, 2019, 4 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 10.0 | |
| May 20, 2019, 3 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.47 ppb (5) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| May 20, 2019, 2 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | -0.8 μg/m3 (0) | 10.0 | |
| May 20, 2019, 1 a.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.48 ppb (5) | N/A | 12.2 μg/m3 (50) | 50.0 | |
| May 20, 2019, midnight | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.65 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 19, 2019, 11 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.63 ppb (7) | N/A | 4.9 μg/m3 (20) | 20.0 | |
| May 19, 2019, 10 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 2.2 μg/m3 (9) | 9.0 | |
| May 19, 2019, 9 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | 14.1 μg/m3 (54) | 54.0 | |
| May 19, 2019, 8 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | -4.1 μg/m3 (0) | 8.0 | |
| May 19, 2019, 7 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 8.4 μg/m3 (35) | 35.0 | |
| May 19, 2019, 6 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 19, 2019, 5 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 12.4 μg/m3 (51) | 51.0 | |
| May 19, 2019, 4 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | 4.4 μg/m3 (18) | 18.0 | |
| May 19, 2019, 3 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | 2.9 μg/m3 (12) | 12.0 | |
| May 19, 2019, 2 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| May 19, 2019, 1 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | -1.8 μg/m3 (0) | 10.0 | |
| May 19, 2019, noon | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | 17.3 μg/m3 (61) | 61.0 | |
| May 19, 2019, 11 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | 11.2 μg/m3 (47) | 47.0 | |
| May 19, 2019, 10 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 12.7 μg/m3 (51) | 51.0 | |
| May 19, 2019, 9 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 6.3 μg/m3 (26) | 26.0 | |
| May 19, 2019, 8 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 6.8 μg/m3 (28) | 28.0 | |
| May 19, 2019, 7 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.55 ppb (6) | N/A | 5.6 μg/m3 (23) | 23.0 | |
| May 19, 2019, 6 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | 3.5 μg/m3 (15) | 15.0 | |
| May 19, 2019, 5 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 18.6 μg/m3 (64) | 64.0 | |
| May 19, 2019, 4 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.65 ppb (7) | N/A | 26.2 μg/m3 (80) | 80.0 | |
| May 19, 2019, 3 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.67 ppb (7) | N/A | 23.7 μg/m3 (75) | 75.0 | |
| May 19, 2019, 2 a.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | -2.8 μg/m3 (0) | 12.0 | |
| May 19, 2019, 1 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 0.8 μg/m3 (3) | 11.0 | |
| May 19, 2019, midnight | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 3.9 μg/m3 (16) | 16.0 | |
| May 18, 2019, 11 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| May 18, 2019, 10 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 9.8 μg/m3 (41) | 41.0 | |
| May 18, 2019, 9 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 20.8 μg/m3 (69) | 69.0 | |
| May 18, 2019, 8 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 11.1 μg/m3 (46) | 46.0 | |
| May 18, 2019, 7 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 13.6 μg/m3 (53) | 53.0 | |
| May 18, 2019, 6 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | -0.4 μg/m3 (0) | 10.0 | |
| May 18, 2019, 5 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.57 ppb (6) | N/A | 2.1 μg/m3 (9) | 11.0 | |
| May 18, 2019, 4 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 15.3 μg/m3 (57) | 57.0 | |
| May 18, 2019, 3 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 8.6 μg/m3 (36) | 36.0 | |
| May 18, 2019, 2 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| May 18, 2019, 1 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.46 ppb (5) | N/A | 21.4 μg/m3 (70) | 70.0 | |
| May 18, 2019, noon | N/A | N/A | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.69 ppb (8) | N/A | 35.4 μg/m3 (100) | 100.0 | |
| May 18, 2019, 11 a.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 4.4 μg/m3 (18) | 26.0 | |
| May 18, 2019, 10 a.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 0.0 μg/m3 (0) | 26.0 | |
| May 18, 2019, 9 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | 20.8 μg/m3 (69) | 69.0 | |
| May 18, 2019, 8 a.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.38 ppb (4) | N/A | 6.9 μg/m3 (29) | 29.0 | |
| May 18, 2019, 7 a.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| May 18, 2019, 6 a.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | 17.5 μg/m3 (62) | 62.0 | |
| May 18, 2019, 5 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.72 ppb (8) | N/A | 20.8 μg/m3 (69) | 69.0 | |
| May 18, 2019, 4 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | 23.3 μg/m3 (74) | 74.0 | |
| May 18, 2019, 3 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.63 ppb (7) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| May 18, 2019, 2 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.63 ppb (7) | N/A | -0.3 μg/m3 (0) | 19.0 | |
| May 18, 2019, 1 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 22.8 μg/m3 (73) | 73.0 | |
| May 18, 2019, midnight | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.67 ppb (7) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| May 17, 2019, 11 p.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| May 17, 2019, 10 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | 8.2 μg/m3 (34) | 34.0 | |
| May 17, 2019, 9 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.45 ppb (5) | N/A | N/A | 14.0 | |
| May 17, 2019, 8 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 16.0 | |
| May 17, 2019, 7 p.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.49 ppb (5) | N/A | 13.9 μg/m3 (54) | 54.0 | |
| May 17, 2019, 6 p.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 3.2 μg/m3 (13) | 23.0 | |
| May 17, 2019, 5 p.m. | N/A | N/A | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | 15.8 μg/m3 (58) | 58.0 | |
| May 17, 2019, 4 p.m. | N/A | N/A | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | -0.3 μg/m3 (0) | 24.0 | |
| May 17, 2019, 3 p.m. | N/A | N/A | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 7.4 μg/m3 (31) | 31.0 | |
| May 17, 2019, 2 p.m. | N/A | N/A | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 9.6 μg/m3 (40) | 40.0 | |
| May 17, 2019, 1 p.m. | N/A | N/A | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.58 ppb (6) | N/A | 9.1 μg/m3 (38) | 38.0 | |
| May 17, 2019, noon | N/A | N/A | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.85 ppb (9) | N/A | N/A | 35.0 | |
| May 17, 2019, 11 a.m. | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 1.14 ppb (13) | N/A | 26.6 μg/m3 (81) | 81.0 | |
| May 17, 2019, 10 a.m. | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 1.01 ppb (11) | N/A | 22.0 μg/m3 (71) | 71.0 | |
| May 17, 2019, 9 a.m. | N/A | N/A | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.66 ppb (7) | N/A | 3.1 μg/m3 (13) | 34.0 | |
| May 17, 2019, 8 a.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| May 17, 2019, 7 a.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | 16.1 μg/m3 (59) | 59.0 | |
| May 17, 2019, 6 a.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.39 ppb (4) | N/A | 14.7 μg/m3 (56) | 56.0 | |
| May 17, 2019, 5 a.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | 14.1 μg/m3 (54) | 54.0 | |
| May 17, 2019, 4 a.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 20.0 | |
| May 17, 2019, 3 a.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | 1.3 μg/m3 (5) | 20.0 | |
| May 17, 2019, 2 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | 12.5 μg/m3 (51) | 51.0 | |
| May 17, 2019, 1 a.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.66 ppb (7) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| May 17, 2019, midnight | N/A | N/A | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.63 ppb (7) | N/A | 16.5 μg/m3 (60) | 60.0 | |
| May 16, 2019, 11 p.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| May 16, 2019, 10 p.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.56 ppb (6) | N/A | -0.4 μg/m3 (0) | 19.0 | |
| May 16, 2019, 9 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | 5.5 μg/m3 (23) | 23.0 | |
| May 16, 2019, 8 p.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | 15.6 μg/m3 (58) | 58.0 | |
| May 16, 2019, 7 p.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | 1.7 μg/m3 (7) | 19.0 | |
| May 16, 2019, 6 p.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | -3.9 μg/m3 (0) | 21.0 | |
| May 16, 2019, 5 p.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | 8.1 μg/m3 (34) | 34.0 | |
| May 16, 2019, 4 p.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| May 16, 2019, 3 p.m. | N/A | N/A | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | 11.5 μg/m3 (48) | 48.0 | |
| May 16, 2019, 2 p.m. | N/A | N/A | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | 9.5 μg/m3 (40) | 40.0 | |
| May 16, 2019, 1 p.m. | N/A | N/A | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | 20.2 μg/m3 (67) | 67.0 | |
| May 16, 2019, noon | N/A | N/A | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | -2.9 μg/m3 (0) | 25.0 | |
| May 16, 2019, 11 a.m. | N/A | N/A | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | 2.6 μg/m3 (11) | 28.0 | |
| May 16, 2019, 10 a.m. | N/A | N/A | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | 12.3 μg/m3 (51) | 51.0 |