ID: 2924

AQSQID: 170434002

Site Name: Naperville

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 17, 2021, 3:31 p.m.

Location: Naperville (Downtown Naperville), IL

Reporting: False, Located: True

Current AQI: None

Naperville (Downtown Naperville) IL, US: 41.7714, -88.1522

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.6 μg/m3 (55) 55.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (56) 56.0
 
Jan. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (60) 60.0
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (53) 53.0
 
Jan. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (42) 42.0
 
Jan. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
Jan. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
Jan. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (46) 46.0
 
Jan. 14, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (40) 40.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
Jan. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (59) 59.0
 
Jan. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (58) 58.0
 
Jan. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (54) 54.0
 
Jan. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (54) 54.0
 
Jan. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (55) 55.0
 
Jan. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (63) 63.0
 
Jan. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (52) 52.0
 
Jan. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (55) 55.0
 
Jan. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (57) 57.0
 
Jan. 14, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (56) 56.0
 
Jan. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (57) 57.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (56) 56.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (50) 50.0
 
Jan. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (52) 52.0
 
Jan. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (36) 36.0
 
Jan. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
Jan. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (37) 37.0
 
Jan. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (54) 54.0
 
Jan. 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (54) 54.0
 
Jan. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (53) 53.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.1 μg/m3 (62) 62.0
 
Jan. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.8 μg/m3 (70) 70.0
 
Jan. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.5 μg/m3 (69) 69.0
 
Jan. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (63) 63.0
 
Jan. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.4 μg/m3 (65) 65.0
 
Jan. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.5 μg/m3 (67) 67.0
 
Jan. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (67) 67.0
 
Jan. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (74) 74.0
 
Jan. 13, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.4 μg/m3 (73) 73.0
 
Jan. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.5 μg/m3 (69) 69.0
 
Jan. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (53) 53.0
 
Jan. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (46) 46.0
 
Jan. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (63) 63.0
 
Jan. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (44) 44.0
 
Jan. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (48) 48.0
 
Jan. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (19) 19.0
 
Jan. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
Jan. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
Jan. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (46) 46.0
 
Jan. 12, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (56) 56.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (54) 54.0
 
Jan. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.2 μg/m3 (62) 62.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (47) 47.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (51) 51.0
 
Jan. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (45) 45.0
 
Jan. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (59) 59.0
 
Jan. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (53) 53.0
 
Jan. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (38) 38.0
 
Jan. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (61) 61.0
 
Jan. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (47) 47.0
 
Jan. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
Jan. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (32) 32.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.7 μg/m3 (49) 49.0
 
Jan. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (63) 63.0
 
Jan. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (56) 56.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
Jan. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (67) 67.0
 
Jan. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (73) 73.0
 
Jan. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.7 μg/m3 (65) 65.0
 
Jan. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (64) 64.0
 
Jan. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (52) 52.0
 
Jan. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (61) 61.0
 
Jan. 11, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (59) 59.0
 
Jan. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.4 μg/m3 (65) 65.0
 
Jan. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (55) 55.0
 
Jan. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (46) 46.0
 
Jan. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (59) 59.0
 
Jan. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
Jan. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (46) 46.0
 
Jan. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.5 μg/m3 (54) 54.0
 
Jan. 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (66) 66.0
 
Jan. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (69) 69.0
 
Jan. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (67) 67.0
 
Jan. 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.5 μg/m3 (82) 82.0
 
Jan. 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.6 μg/m3 (82) 82.0
 
Jan. 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.5 μg/m3 (92) 92.0
 
Jan. 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.3 μg/m3 (106) 106.0
 
Jan. 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.7 μg/m3 (89) 89.0
 
Jan. 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.4 μg/m3 (86) 86.0
 
Jan. 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.5 μg/m3 (78) 78.0
 
Jan. 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (70) 70.0
 
Jan. 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (71) 71.0
 
Jan. 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
Jan. 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (67) 67.0
 
Jan. 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.9 μg/m3 (66) 66.0
 
Jan. 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (55) 55.0
 
Jan. 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (10) 10.0
 
Jan. 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
Jan. 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (3) 3.0
 
Jan. 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.8 μg/m3 (0) 0.0
Jan. 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.1 μg/m3 (0) 0.0
Jan. 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.4 μg/m3 (0) 0.0
Jan. 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (42) 42.0
 
Jan. 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (31) 31.0
 
Jan. 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (50) 50.0
 
Jan. 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (33) 33.0
 
Jan. 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
Jan. 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
Jan. 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
Jan. 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (27) 27.0
 
Jan. 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (32) 32.0
 
Jan. 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
Jan. 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
Jan. 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (15) 15.0
 
Jan. 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (14) 14.0
 
Jan. 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (14) 14.0
 
Jan. 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
Jan. 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
Jan. 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
Jan. 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
Jan. 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
Jan. 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
Jan. 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (27) 27.0
 
Jan. 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
Jan. 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
Jan. 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (46) 46.0
 
Jan. 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (52) 52.0
 
Jan. 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
Jan. 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (28) 28.0
 
Jan. 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (46) 46.0
 
Jan. 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (38) 38.0
 
Jan. 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (25) 25.0