Iowa City IA, US: 41.658195, -91.503471
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan. 18, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.3 μg/m^{3} (57) | 57.0 | |
Jan. 18, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.7 μg/m^{3} (49) | 49.0 | |
Jan. 18, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.6 μg/m^{3} (48) | 48.0 | |
Jan. 18, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.4 μg/m^{3} (51) | 51.0 | |
Jan. 18, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.6 μg/m^{3} (44) | 44.0 | |
Jan. 18, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.2 μg/m^{3} (47) | 47.0 | |
Jan. 18, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.6 μg/m^{3} (44) | 44.0 | |
Jan. 18, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m^{3} (59) | 59.0 | |
Jan. 18, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.2 μg/m^{3} (63) | 63.0 | |
Jan. 18, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m^{3} (62) | 62.0 | |
Jan. 18, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.7 μg/m^{3} (58) | 58.0 | |
Jan. 18, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.7 μg/m^{3} (51) | 51.0 | |
Jan. 18, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.2 μg/m^{3} (47) | 47.0 | |
Jan. 18, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.5 μg/m^{3} (35) | 35.0 | |
Jan. 18, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.9 μg/m^{3} (41) | 41.0 | |
Jan. 18, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.2 μg/m^{3} (47) | 47.0 | |
Jan. 18, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.4 μg/m^{3} (51) | 51.0 | |
Jan. 18, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.6 μg/m^{3} (53) | 53.0 | |
Jan. 18, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.9 μg/m^{3} (60) | 60.0 | |
Jan. 18, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.3 μg/m^{3} (66) | 66.0 | |
Jan. 17, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m^{3} (61) | 61.0 | |
Jan. 17, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m^{3} (55) | 55.0 | |
Jan. 17, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.1 μg/m^{3} (69) | 69.0 | |
Jan. 17, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.7 μg/m^{3} (71) | 71.0 | |
Jan. 17, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.3 μg/m^{3} (74) | 74.0 | |
Jan. 17, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.8 μg/m^{3} (77) | 77.0 | |
Jan. 17, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.7 μg/m^{3} (75) | 75.0 | |
Jan. 17, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.2 μg/m^{3} (74) | 74.0 | |
Jan. 17, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.8 μg/m^{3} (77) | 77.0 | |
Jan. 17, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.9 μg/m^{3} (82) | 82.0 | |
Jan. 17, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.4 μg/m^{3} (85) | 85.0 | |
Jan. 17, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.7 μg/m^{3} (90) | 90.0 | |
Jan. 17, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.8 μg/m^{3} (88) | 88.0 | |
Jan. 17, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.2 μg/m^{3} (76) | 76.0 | |
Jan. 17, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.2 μg/m^{3} (72) | 72.0 | |
Jan. 17, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.3 μg/m^{3} (66) | 66.0 | |
Jan. 17, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.7 μg/m^{3} (62) | 62.0 | |
Jan. 17, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.3 μg/m^{3} (59) | 59.0 | |
Jan. 17, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.8 μg/m^{3} (58) | 58.0 | |
Jan. 17, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.3 μg/m^{3} (55) | 55.0 | |
Jan. 17, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.7 μg/m^{3} (54) | 54.0 | |
Jan. 17, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m^{3} (52) | 52.0 | |
Jan. 17, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.9 μg/m^{3} (56) | 56.0 | |
Jan. 17, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.7 μg/m^{3} (60) | 60.0 | |
Jan. 16, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.4 μg/m^{3} (59) | 59.0 | |
Jan. 16, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m^{3} (59) | 59.0 | |
Jan. 16, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.3 μg/m^{3} (57) | 57.0 | |
Jan. 16, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m^{3} (56) | 56.0 | |
Jan. 16, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.7 μg/m^{3} (54) | 54.0 | |
Jan. 16, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.1 μg/m^{3} (54) | 54.0 | |
Jan. 16, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.8 μg/m^{3} (56) | 56.0 | |
Jan. 16, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.5 μg/m^{3} (60) | 60.0 | |
Jan. 16, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.7 μg/m^{3} (60) | 60.0 | |
Jan. 16, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.9 μg/m^{3} (58) | 58.0 | |
Jan. 16, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.7 μg/m^{3} (56) | 56.0 | |
Jan. 16, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.7 μg/m^{3} (54) | 54.0 | |
Jan. 16, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.8 μg/m^{3} (54) | 54.0 | |
Jan. 16, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.1 μg/m^{3} (54) | 54.0 | |
Jan. 16, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.1 μg/m^{3} (61) | 61.0 | |
Jan. 16, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.5 μg/m^{3} (51) | 51.0 | |
Jan. 16, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.1 μg/m^{3} (50) | 50.0 | |
Jan. 16, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.1 μg/m^{3} (52) | 52.0 | |
Jan. 16, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.5 μg/m^{3} (60) | 60.0 | |
Jan. 16, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.8 μg/m^{3} (58) | 58.0 | |
Jan. 16, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.7 μg/m^{3} (54) | 54.0 | |
Jan. 16, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.9 μg/m^{3} (54) | 54.0 | |
Jan. 16, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m^{3} (52) | 52.0 | |
Jan. 16, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.4 μg/m^{3} (51) | 51.0 | |
Jan. 15, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.1 μg/m^{3} (46) | 46.0 | |
Jan. 15, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.3 μg/m^{3} (39) | 39.0 | |
Jan. 15, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.6 μg/m^{3} (32) | 32.0 | |
Jan. 15, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.4 μg/m^{3} (27) | 27.0 | |
Jan. 15, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.2 μg/m^{3} (22) | 22.0 | |
Jan. 15, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.9 μg/m^{3} (20) | 20.0 | |
Jan. 15, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.5 μg/m^{3} (27) | 27.0 | |
Jan. 15, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.6 μg/m^{3} (28) | 28.0 | |
Jan. 15, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.3 μg/m^{3} (30) | 30.0 | |
Jan. 15, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.9 μg/m^{3} (33) | 33.0 | |
Jan. 15, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.4 μg/m^{3} (35) | 35.0 | |
Jan. 15, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.3 μg/m^{3} (35) | 35.0 | |
Jan. 15, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.9 μg/m^{3} (29) | 29.0 | |
Jan. 15, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.1 μg/m^{3} (30) | 30.0 | |
Jan. 15, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.8 μg/m^{3} (28) | 28.0 | |
Jan. 15, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.2 μg/m^{3} (30) | 30.0 | |
Jan. 15, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.5 μg/m^{3} (31) | 31.0 | |
Jan. 15, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.7 μg/m^{3} (36) | 36.0 | |
Jan. 15, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.7 μg/m^{3} (45) | 45.0 | |
Jan. 15, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.5 μg/m^{3} (53) | 53.0 | |
Jan. 15, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.9 μg/m^{3} (54) | 54.0 | |
Jan. 15, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m^{3} (50) | 50.0 | |
Jan. 15, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.8 μg/m^{3} (52) | 52.0 | |
Jan. 15, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.4 μg/m^{3} (55) | 55.0 | |
Jan. 14, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.7 μg/m^{3} (56) | 56.0 | |
Jan. 14, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.5 μg/m^{3} (60) | 60.0 | |
Jan. 14, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.5 μg/m^{3} (55) | 55.0 | |
Jan. 14, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m^{3} (62) | 62.0 | |
Jan. 14, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.9 μg/m^{3} (65) | 65.0 | |
Jan. 14, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.1 μg/m^{3} (61) | 61.0 | |
Jan. 14, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m^{3} (62) | 62.0 | |
Jan. 14, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.2 μg/m^{3} (67) | 67.0 | |
Jan. 14, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.3 μg/m^{3} (74) | 74.0 | |
Jan. 14, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.4 μg/m^{3} (72) | 72.0 | |
Jan. 14, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.2 μg/m^{3} (72) | 72.0 | |
Jan. 14, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.1 μg/m^{3} (71) | 71.0 | |
Jan. 14, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.4 μg/m^{3} (72) | 72.0 | |
Jan. 14, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.1 μg/m^{3} (69) | 69.0 | |
Jan. 14, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.7 μg/m^{3} (66) | 66.0 | |
Jan. 14, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m^{3} (69) | 69.0 | |
Jan. 14, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m^{3} (67) | 67.0 | |
Jan. 14, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.4 μg/m^{3} (64) | 64.0 | |
Jan. 14, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.8 μg/m^{3} (60) | 60.0 | |
Jan. 14, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.7 μg/m^{3} (60) | 60.0 | |
Jan. 14, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.2 μg/m^{3} (59) | 59.0 | |
Jan. 14, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.9 μg/m^{3} (56) | 56.0 | |
Jan. 14, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.6 μg/m^{3} (56) | 56.0 | |
Jan. 14, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.9 μg/m^{3} (56) | 56.0 | |
Jan. 13, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.3 μg/m^{3} (57) | 57.0 | |
Jan. 13, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.6 μg/m^{3} (58) | 58.0 | |
Jan. 13, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.7 μg/m^{3} (58) | 58.0 | |
Jan. 13, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.5 μg/m^{3} (57) | 57.0 | |
Jan. 13, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.5 μg/m^{3} (57) | 57.0 | |
Jan. 13, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.1 μg/m^{3} (57) | 57.0 | |
Jan. 13, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.4 μg/m^{3} (57) | 57.0 | |
Jan. 13, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.2 μg/m^{3} (57) | 57.0 | |
Jan. 13, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.1 μg/m^{3} (54) | 54.0 | |
Jan. 13, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m^{3} (50) | 50.0 | |
Jan. 13, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.6 μg/m^{3} (44) | 44.0 | |
Jan. 13, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m^{3} (42) | 42.0 | |
Jan. 13, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.7 μg/m^{3} (45) | 45.0 | |
Jan. 13, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.8 μg/m^{3} (45) | 45.0 | |
Jan. 13, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.7 μg/m^{3} (49) | 49.0 | |
Jan. 13, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.6 μg/m^{3} (58) | 58.0 | |
Jan. 13, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.2 μg/m^{3} (63) | 63.0 | |
Jan. 13, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.7 μg/m^{3} (66) | 66.0 | |
Jan. 13, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.5 μg/m^{3} (70) | 70.0 | |
Jan. 13, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.7 μg/m^{3} (69) | 69.0 | |
Jan. 13, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.2 μg/m^{3} (63) | 63.0 | |
Jan. 13, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.1 μg/m^{3} (59) | 59.0 | |
Jan. 13, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.3 μg/m^{3} (53) | 53.0 | |
Jan. 13, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.2 μg/m^{3} (55) | 55.0 | |
Jan. 12, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.5 μg/m^{3} (62) | 62.0 | |
Jan. 12, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.1 μg/m^{3} (76) | 76.0 | |
Jan. 12, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.8 μg/m^{3} (71) | 71.0 | |
Jan. 12, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.5 μg/m^{3} (66) | 66.0 | |
Jan. 12, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.5 μg/m^{3} (66) | 66.0 | |
Jan. 12, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.6 μg/m^{3} (70) | 70.0 | |
Jan. 12, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.5 μg/m^{3} (68) | 68.0 | |
Jan. 12, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.9 μg/m^{3} (60) | 60.0 | |
Jan. 12, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.1 μg/m^{3} (57) | 57.0 | |
Jan. 12, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m^{3} (61) | 61.0 | |
Jan. 12, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.4 μg/m^{3} (59) | 59.0 | |
Jan. 12, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.8 μg/m^{3} (62) | 62.0 | |
Jan. 12, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m^{3} (67) | 67.0 | |
Jan. 12, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.5 μg/m^{3} (70) | 70.0 | |
Jan. 12, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m^{3} (69) | 69.0 | |
Jan. 12, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.3 μg/m^{3} (68) | 68.0 | |
Jan. 12, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m^{3} (69) | 69.0 | |
Jan. 12, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.4 μg/m^{3} (68) | 68.0 | |
Jan. 12, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.3 μg/m^{3} (66) | 66.0 | |
Jan. 12, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.6 μg/m^{3} (64) | 64.0 | |
Jan. 12, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.2 μg/m^{3} (59) | 59.0 | |
Jan. 12, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.8 μg/m^{3} (58) | 58.0 | |
Jan. 12, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.4 μg/m^{3} (57) | 57.0 | |
Jan. 12, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.5 μg/m^{3} (55) | 55.0 | |
Jan. 11, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.6 μg/m^{3} (53) | 53.0 | |
Jan. 11, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.8 μg/m^{3} (52) | 52.0 | |
Jan. 11, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.7 μg/m^{3} (49) | 49.0 | |
Jan. 11, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.5 μg/m^{3} (48) | 48.0 |