Irapuato (Estación de Monitoreo de Calidad del Aire Bomberos) MX, MX: 20.67495, -101.35595
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 25, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | N/A | N/A | 31.0 μg/m3 (28) | 20.2 μg/m3 (67) | 67.0 | |
| Jan. 25, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 37.0 μg/m3 (34) | 17.1 μg/m3 (61) | 61.0 | |
| Jan. 25, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 40.0 μg/m3 (36) | 14.9 μg/m3 (56) | 56.0 | |
| Jan. 25, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 31.0 μg/m3 (28) | 21.5 μg/m3 (70) | 70.0 | |
| Jan. 25, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 36.0 μg/m3 (33) | 17.7 μg/m3 (62) | 62.0 | |
| Jan. 25, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 63.0 μg/m3 (54) | 13.8 μg/m3 (54) | 54.0 | |
| Jan. 25, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 65.0 μg/m3 (55) | 18.2 μg/m3 (63) | 63.0 | |
| Jan. 25, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 143.0 μg/m3 (94) | 28.2 μg/m3 (84) | 94.0 | |
| Jan. 25, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 142.0 μg/m3 (94) | 35.1 μg/m3 (99) | 99.0 | |
| Jan. 25, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 51.0 μg/m3 (46) | 24.5 μg/m3 (77) | 77.0 | |
| Jan. 25, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 27.0 μg/m3 (25) | 17.1 μg/m3 (61) | 61.0 | |
| Jan. 25, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 26.0 μg/m3 (24) | 8.2 μg/m3 (34) | 34.0 | |
| Jan. 24, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 41.0 μg/m3 (37) | 4.9 μg/m3 (20) | 37.0 | |
| Jan. 24, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | N/A | N/A | 36.0 μg/m3 (33) | 8.3 μg/m3 (35) | 35.0 | |
| Jan. 24, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | N/A | N/A | 39.0 μg/m3 (35) | 7.2 μg/m3 (30) | 35.0 | |
| Jan. 24, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | N/A | N/A | 33.0 μg/m3 (30) | 6.9 μg/m3 (29) | 30.0 | |
| Jan. 24, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 59.0 μg/m3 (52) | 5.4 μg/m3 (23) | 52.0 | |
| Jan. 24, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | N/A | N/A | 70.0 μg/m3 (58) | 15.0 μg/m3 (56) | 58.0 | |
| Jan. 24, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (34) | N/A | N/A | 107.0 μg/m3 (76) | 22.8 μg/m3 (73) | 76.0 | |
| Jan. 24, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | N/A | N/A | 83.0 μg/m3 (64) | 28.4 μg/m3 (85) | 85.0 | |
| Jan. 24, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 66.0 μg/m3 (56) | 23.0 μg/m3 (73) | 73.0 | |
| Jan. 24, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 36.0 μg/m3 (33) | 19.1 μg/m3 (65) | 65.0 | |
| Jan. 24, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 38.0 μg/m3 (35) | 11.1 μg/m3 (46) | 46.0 | |
| Jan. 24, 2020, noon | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 33.0 μg/m3 (30) | 18.6 μg/m3 (64) | 64.0 | |
| Jan. 24, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 36.0 μg/m3 (33) | 9.4 μg/m3 (39) | 39.0 | |
| Jan. 24, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 39.0 μg/m3 (35) | 14.8 μg/m3 (56) | 56.0 | |
| Jan. 24, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 43.0 μg/m3 (39) | 16.1 μg/m3 (59) | 59.0 | |
| Jan. 24, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 52.0 μg/m3 (47) | 24.3 μg/m3 (76) | 76.0 | |
| Jan. 24, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | N/A | N/A | 67.0 μg/m3 (56) | 38.7 μg/m3 (108) | 108.0 | |
| Jan. 24, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | N/A | N/A | 60.0 μg/m3 (52) | 16.3 μg/m3 (59) | 59.0 | |
| Jan. 24, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | N/A | N/A | 61.0 μg/m3 (53) | 15.8 μg/m3 (58) | 58.0 | |
| Jan. 24, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | N/A | N/A | 47.0 μg/m3 (43) | 24.8 μg/m3 (77) | 77.0 | |
| Jan. 24, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | N/A | N/A | 46.0 μg/m3 (42) | 9.3 μg/m3 (39) | 42.0 | |
| Jan. 24, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 50.0 μg/m3 (45) | 15.6 μg/m3 (58) | 58.0 | |
| Jan. 24, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 45.0 μg/m3 (41) | 20.6 μg/m3 (68) | 68.0 | |
| Jan. 24, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 45.0 μg/m3 (41) | 17.0 μg/m3 (61) | 61.0 | |
| Jan. 23, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 47.0 μg/m3 (43) | 15.3 μg/m3 (57) | 57.0 | |
| Jan. 23, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 44.0 μg/m3 (40) | 13.4 μg/m3 (53) | 53.0 | |
| Jan. 23, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 42.0 μg/m3 (38) | 12.7 μg/m3 (51) | 51.0 | |
| Jan. 23, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 39.0 μg/m3 (35) | 11.8 μg/m3 (49) | 49.0 | |
| Jan. 23, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 46.0 μg/m3 (42) | 7.2 μg/m3 (30) | 42.0 | |
| Jan. 23, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 76.0 μg/m3 (60) | 13.1 μg/m3 (52) | 60.0 | |
| Jan. 23, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 87.0 μg/m3 (66) | 17.2 μg/m3 (61) | 66.0 | |
| Jan. 23, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 67.0 μg/m3 (56) | 20.4 μg/m3 (68) | 68.0 | |
| Jan. 23, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 56.0 μg/m3 (50) | 15.4 μg/m3 (57) | 57.0 | |
| Jan. 23, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 44.0 μg/m3 (40) | 17.6 μg/m3 (62) | 62.0 | |
| Jan. 23, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 48.0 μg/m3 (44) | 14.0 μg/m3 (54) | 54.0 | |
| Jan. 23, 2020, noon | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 27.0 μg/m3 (25) | 15.8 μg/m3 (58) | 58.0 | |
| Jan. 23, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 24.0 μg/m3 (22) | 14.0 μg/m3 (54) | 54.0 | |
| Jan. 23, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 25.0 μg/m3 (23) | 11.8 μg/m3 (49) | 49.0 | |
| Jan. 23, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 36.0 μg/m3 (33) | 16.5 μg/m3 (60) | 60.0 | |
| Jan. 23, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 36.0 μg/m3 (33) | 21.2 μg/m3 (70) | 70.0 | |
| Jan. 23, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 51.0 μg/m3 (46) | 19.9 μg/m3 (67) | 67.0 | |
| Jan. 23, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 62.0 μg/m3 (54) | 13.4 μg/m3 (53) | 54.0 | |
| Jan. 23, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 66.0 μg/m3 (56) | 18.2 μg/m3 (63) | 63.0 | |
| Jan. 23, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 61.0 μg/m3 (53) | 17.8 μg/m3 (62) | 62.0 | |
| Jan. 23, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 64.0 μg/m3 (54) | 15.5 μg/m3 (57) | 57.0 | |
| Jan. 23, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 45.0 μg/m3 (41) | 16.2 μg/m3 (59) | 59.0 | |
| Jan. 23, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 56.0 μg/m3 (50) | 11.1 μg/m3 (46) | 50.0 | |
| Jan. 23, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 53.0 μg/m3 (48) | 3.1 μg/m3 (13) | 48.0 | |
| Jan. 22, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 58.0 μg/m3 (52) | 3.8 μg/m3 (16) | 52.0 | |
| Jan. 22, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 50.0 μg/m3 (45) | 5.9 μg/m3 (25) | 45.0 | |
| Jan. 22, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 46.0 μg/m3 (42) | 3.8 μg/m3 (16) | 42.0 | |
| Jan. 22, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 70.0 μg/m3 (58) | 10.0 μg/m3 (42) | 58.0 | |
| Jan. 22, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | N/A | N/A | 77.0 μg/m3 (61) | 20.0 μg/m3 (67) | 67.0 | |
| Jan. 22, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (51) | N/A | N/A | 88.0 μg/m3 (66) | 29.8 μg/m3 (88) | 88.0 | |
| Jan. 22, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (60) | N/A | N/A | 101.0 μg/m3 (73) | 31.0 μg/m3 (90) | 90.0 | |
| Jan. 22, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (60) | N/A | N/A | 98.0 μg/m3 (72) | 39.4 μg/m3 (110) | 110.0 | |
| Jan. 22, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (54) | N/A | N/A | 78.0 μg/m3 (62) | 36.6 μg/m3 (103) | 103.0 | |
| Jan. 22, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (43) | N/A | N/A | 59.0 μg/m3 (52) | 26.7 μg/m3 (81) | 81.0 | |
| Jan. 22, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | N/A | N/A | 35.0 μg/m3 (32) | 22.6 μg/m3 (73) | 73.0 | |
| Jan. 22, 2020, noon | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | N/A | N/A | 41.0 μg/m3 (37) | 20.1 μg/m3 (67) | 67.0 | |
| Jan. 22, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (30) | N/A | N/A | 50.0 μg/m3 (45) | 23.0 μg/m3 (73) | 73.0 | |
| Jan. 22, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (43) | N/A | N/A | 57.0 μg/m3 (51) | 24.3 μg/m3 (76) | 76.0 | |
| Jan. 22, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | N/A | N/A | 81.0 μg/m3 (63) | 23.4 μg/m3 (74) | 74.0 | |
| Jan. 22, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | N/A | N/A | 73.0 μg/m3 (59) | 23.3 μg/m3 (74) | 74.0 | |
| Jan. 22, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 84.0 μg/m3 (64) | 19.5 μg/m3 (66) | 66.0 | |
| Jan. 22, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 71.0 μg/m3 (58) | 15.0 μg/m3 (56) | 58.0 | |
| Jan. 22, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 100.0 μg/m3 (72) | 20.6 μg/m3 (68) | 72.0 | |
| Jan. 22, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | N/A | N/A | 84.0 μg/m3 (64) | 35.5 μg/m3 (100) | 100.0 | |
| Jan. 22, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | N/A | N/A | 87.0 μg/m3 (66) | 24.7 μg/m3 (77) | 77.0 | |
| Jan. 22, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 52.0 μg/m3 (47) | 16.1 μg/m3 (59) | 59.0 | |
| Jan. 22, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 37.0 μg/m3 (34) | 14.7 μg/m3 (56) | 56.0 | |
| Jan. 22, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 45.0 μg/m3 (41) | 12.8 μg/m3 (52) | 52.0 | |
| Jan. 21, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 40.0 μg/m3 (36) | 11.6 μg/m3 (48) | 48.0 | |
| Jan. 21, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 49.0 μg/m3 (45) | 13.8 μg/m3 (54) | 54.0 | |
| Jan. 21, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | N/A | N/A | 46.0 μg/m3 (42) | 15.1 μg/m3 (57) | 57.0 | |
| Jan. 21, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (47) | N/A | N/A | 38.0 μg/m3 (35) | 19.2 μg/m3 (65) | 65.0 | |
| Jan. 21, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (37) | N/A | N/A | 43.0 μg/m3 (39) | 11.1 μg/m3 (46) | 46.0 | |
| Jan. 21, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 40.0 μg/m3 (36) | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 21, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 38.0 μg/m3 (35) | 8.2 μg/m3 (34) | 35.0 | |
| Jan. 21, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 44.0 μg/m3 (40) | 6.4 μg/m3 (27) | 40.0 | |
| Jan. 21, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 39.0 μg/m3 (35) | 5.1 μg/m3 (21) | 35.0 | |
| Jan. 21, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 33.0 μg/m3 (30) | 10.4 μg/m3 (43) | 43.0 | |
| Jan. 21, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 19.0 μg/m3 (17) | 6.4 μg/m3 (27) | 27.0 | |
| Jan. 21, 2020, noon | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | N/A | N/A | 12.0 μg/m3 (11) | 5.2 μg/m3 (22) | 22.0 | |
| Jan. 21, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | N/A | N/A | 15.0 μg/m3 (14) | 10.2 μg/m3 (42) | 42.0 | |
| Jan. 21, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 21.0 μg/m3 (19) | 9.4 μg/m3 (39) | 39.0 | |
| Jan. 21, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 14.0 μg/m3 (13) | 7.8 μg/m3 (32) | 32.0 | |
| Jan. 21, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 14.0 μg/m3 (13) | 6.9 μg/m3 (29) | 29.0 | |
| Jan. 21, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 20.0 μg/m3 (18) | 9.8 μg/m3 (41) | 41.0 | |
| Jan. 21, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 43.0 μg/m3 (39) | 6.1 μg/m3 (25) | 39.0 | |
| Jan. 21, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 35.0 μg/m3 (32) | 8.5 μg/m3 (35) | 35.0 | |
| Jan. 21, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 30.0 μg/m3 (27) | 11.7 μg/m3 (49) | 49.0 | |
| Jan. 21, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 45.0 μg/m3 (41) | 11.5 μg/m3 (48) | 48.0 | |
| Jan. 21, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 49.0 μg/m3 (45) | 11.5 μg/m3 (48) | 48.0 | |
| Jan. 21, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 63.0 μg/m3 (54) | 18.1 μg/m3 (63) | 63.0 | |
| Jan. 21, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Jan. 20, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 20, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 24.0 μg/m3 (22) | 2.8 μg/m3 (12) | 22.0 | |
| Jan. 20, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 27.0 μg/m3 (25) | 0.8 μg/m3 (3) | 25.0 | |
| Jan. 20, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 31.0 μg/m3 (28) | 3.0 μg/m3 (12) | 28.0 | |
| Jan. 20, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 30.0 μg/m3 (27) | 0.4 μg/m3 (2) | 27.0 | |
| Jan. 20, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 30.0 μg/m3 (27) | 6.9 μg/m3 (29) | 29.0 | |
| Jan. 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 32.0 μg/m3 (29) | 2.9 μg/m3 (12) | 29.0 | |
| Jan. 20, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 49.0 μg/m3 (45) | 5.4 μg/m3 (23) | 45.0 | |
| Jan. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 47.0 μg/m3 (43) | 5.4 μg/m3 (23) | 43.0 | |
| Jan. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 27.0 μg/m3 (25) | 5.0 μg/m3 (21) | 25.0 | |
| Jan. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 18.0 μg/m3 (16) | 5.7 μg/m3 (24) | 24.0 | |
| Jan. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 8.0 μg/m3 (7) | 2.2 μg/m3 (9) | 16.0 | |
| Jan. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | N/A | N/A | 17.0 μg/m3 (15) | 4.7 μg/m3 (20) | 20.0 | |
| Jan. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | 29.0 ppb (22) | N/A | 14.0 μg/m3 (13) | 2.4 μg/m3 (10) | 22.0 | |
| Jan. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (16) | 32.0 ppb (25) | N/A | 22.0 μg/m3 (20) | 4.1 μg/m3 (17) | 25.0 | |
| Jan. 14, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 50.0 ppb (38) | N/A | 66.0 μg/m3 (56) | 27.6 μg/m3 (83) | 83.0 | |
| Jan. 14, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 100.0 ppb (79) | N/A | 62.0 μg/m3 (54) | 24.0 μg/m3 (76) | 79.0 | |
| Jan. 13, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 104.0 ppb (82) | N/A | 59.0 μg/m3 (52) | 21.4 μg/m3 (70) | 82.0 | |
| Jan. 13, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 106.0 ppb (84) | N/A | 59.0 μg/m3 (52) | 19.3 μg/m3 (66) | 84.0 | |
| Jan. 13, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 97.0 ppb (77) | N/A | 67.0 μg/m3 (56) | 17.6 μg/m3 (62) | 77.0 | |
| Jan. 13, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 97.0 ppb (77) | N/A | 98.0 μg/m3 (72) | 19.9 μg/m3 (67) | 77.0 | |
| Jan. 13, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 88.0 ppb (69) | N/A | 109.0 μg/m3 (77) | 33.8 μg/m3 (96) | 96.0 | |
| Jan. 13, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (30) | 71.0 ppb (55) | N/A | 118.0 μg/m3 (82) | 38.2 μg/m3 (107) | 107.0 | |
| Jan. 13, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (46) | 44.0 ppb (34) | N/A | 129.0 μg/m3 (87) | 39.6 μg/m3 (110) | 110.0 | |
| Jan. 13, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (33) | 20.0 ppb (15) | N/A | 156.0 μg/m3 (100) | 37.4 μg/m3 (105) | 105.0 | |
| Jan. 13, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 8.0 ppb (6) | N/A | 106.0 μg/m3 (76) | 39.8 μg/m3 (111) | 111.0 | |
| Jan. 13, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 8.0 ppb (6) | N/A | 63.0 μg/m3 (54) | 29.8 μg/m3 (88) | 88.0 | |
| Jan. 13, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 10.0 ppb (8) | N/A | 64.0 μg/m3 (54) | 30.6 μg/m3 (90) | 90.0 | |
| Jan. 13, 2020, noon | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 14.0 ppb (11) | N/A | 75.0 μg/m3 (60) | 23.8 μg/m3 (75) | 75.0 | |
| Jan. 13, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 10.0 ppb (8) | N/A | 89.0 μg/m3 (67) | 40.7 μg/m3 (113) | 113.0 | |
| Jan. 13, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 9.0 ppb (7) | N/A | 79.0 μg/m3 (62) | 35.1 μg/m3 (99) | 99.0 | |
| Jan. 13, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 10.0 ppb (8) | N/A | 83.0 μg/m3 (64) | 41.0 μg/m3 (114) | 114.0 | |
| Jan. 13, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 14.0 ppb (11) | N/A | 68.0 μg/m3 (56) | 28.6 μg/m3 (85) | 85.0 | |
| Jan. 13, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 17.0 ppb (13) | N/A | 78.0 μg/m3 (62) | 20.2 μg/m3 (67) | 67.0 | |
| Jan. 13, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 19.0 ppb (15) | N/A | 119.0 μg/m3 (82) | 31.5 μg/m3 (91) | 91.0 | |
| Jan. 13, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 13.0 ppb (10) | N/A | 124.0 μg/m3 (84) | 36.2 μg/m3 (102) | 102.0 | |
| Jan. 13, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 13.0 ppb (10) | N/A | 113.0 μg/m3 (79) | 35.9 μg/m3 (101) | 101.0 | |
| Jan. 13, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 21.0 ppb (16) | N/A | 112.0 μg/m3 (78) | 33.2 μg/m3 (95) | 95.0 | |
| Jan. 13, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 15.0 ppb (12) | N/A | 65.0 μg/m3 (55) | 32.2 μg/m3 (93) | 93.0 | |
| Jan. 13, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | N/A | N/A | 46.0 μg/m3 (42) | 19.9 μg/m3 (67) | 67.0 | |
| Jan. 13, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 82.0 ppb (64) | N/A | 38.0 μg/m3 (35) | 13.2 μg/m3 (53) | 64.0 | |
| Jan. 12, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 85.0 ppb (67) | N/A | 39.0 μg/m3 (35) | 6.0 μg/m3 (25) | 67.0 | |
| Jan. 12, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 84.0 ppb (66) | N/A | 50.0 μg/m3 (45) | 7.7 μg/m3 (32) | 66.0 | |
| Jan. 12, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 83.0 ppb (65) | N/A | 55.0 μg/m3 (50) | 18.0 μg/m3 (63) | 65.0 | |
| Jan. 12, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 86.0 ppb (68) | N/A | 58.0 μg/m3 (52) | 17.7 μg/m3 (62) | 68.0 | |
| Jan. 12, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (30) | 73.0 ppb (57) | N/A | 56.0 μg/m3 (50) | 21.9 μg/m3 (71) | 71.0 | |
| Jan. 12, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 52.0 ppb (40) | N/A | 53.0 μg/m3 (48) | 16.2 μg/m3 (59) | 59.0 | |
| Jan. 12, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 43.0 ppb (33) | N/A | 53.0 μg/m3 (48) | 17.8 μg/m3 (62) | 62.0 | |
| Jan. 12, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 31.0 ppb (24) | N/A | 54.0 μg/m3 (49) | 20.7 μg/m3 (69) | 69.0 | |
| Jan. 12, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 23.0 ppb (18) | N/A | 50.0 μg/m3 (45) | 18.8 μg/m3 (64) | 64.0 | |
| Jan. 12, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 17.0 ppb (13) | N/A | 41.0 μg/m3 (37) | 22.4 μg/m3 (72) | 72.0 | |
| Jan. 12, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 21.0 ppb (16) | N/A | 54.0 μg/m3 (49) | 20.3 μg/m3 (68) | 68.0 | |
| Jan. 12, 2020, noon | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (58) | 23.0 ppb (18) | N/A | 65.0 μg/m3 (55) | 30.7 μg/m3 (90) | 90.0 | |
| Jan. 12, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 16.0 ppb (12) | N/A | 56.0 μg/m3 (50) | 27.8 μg/m3 (84) | 84.0 | |
| Jan. 12, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 20.0 ppb (15) | N/A | 72.0 μg/m3 (58) | 24.9 μg/m3 (77) | 77.0 | |
| Jan. 12, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 20.0 ppb (15) | N/A | 52.0 μg/m3 (47) | 27.1 μg/m3 (82) | 82.0 | |
| Jan. 12, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 23.0 ppb (18) | N/A | 67.0 μg/m3 (56) | 15.4 μg/m3 (57) | 57.0 | |
| Jan. 12, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 16.0 ppb (12) | N/A | 75.0 μg/m3 (60) | 22.7 μg/m3 (73) | 73.0 | |
| Jan. 12, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 13.0 ppb (10) | N/A | 80.0 μg/m3 (62) | 24.8 μg/m3 (77) | 77.0 | |
| Jan. 12, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 16.0 ppb (12) | N/A | 96.0 μg/m3 (70) | 31.3 μg/m3 (91) | 91.0 |