ID: 2924

AQSQID: 170434002

Site Name: Naperville

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

Updated: April 10, 2021, 7:42 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
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (61) 61.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (64) 64.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.7 μg/m3 (136) 136.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.7 μg/m3 (78) 78.0
 
April 8, 2021, 5 p.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
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 51.8 μg/m3 (142) 142.0
 
April 8, 2021, 6 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
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 0.0
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 52.7 μg/m3 (144) 144.0
 
April 7, 2021, 9 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
 
April 7, 2021, 8 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
 
April 7, 2021, 7 p.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
 
April 7, 2021, 6 p.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
 
April 7, 2021, 5 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
 
April 7, 2021, 4 p.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
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.5 μg/m3 (106) 106.0
 
April 7, 2021, 10 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
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.6 μg/m3 (97) 97.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (71) 71.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (75) 75.0
 
April 7, 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
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (64) 64.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (60) 60.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (59) 59.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (62) 62.0
 
April 6, 2021, 10 p.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
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (45) 45.0
 
April 6, 2021, 8 p.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
 
April 6, 2021, 7 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
 
April 6, 2021, 6 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
 
April 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (17) 17.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.3 μg/m3 (92) 92.0
 
April 6, 2021, noon 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
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
April 6, 2021, 1 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
 
April 6, 2021, midnight 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
 
April 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
April 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.2 μg/m3 (60) 60.0
 
April 5, 2021, 9 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
 
April 5, 2021, 8 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
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.8 μg/m3 (61) 61.0
 
April 5, 2021, 6 p.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
 
April 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (66) 66.0
 
April 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (68) 68.0
 
April 5, 2021, 3 p.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
 
April 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
April 5, 2021, 1 p.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
 
April 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (66) 66.0
 
April 5, 2021, 11 a.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
 
April 5, 2021, 10 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
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 61.8 μg/m3 (155) 155.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.6 μg/m3 (80) 80.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.2 μg/m3 (85) 85.0
 
April 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.4 μg/m3 (77) 77.0
 
April 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.9 μg/m3 (81) 81.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (89) 89.0
 
April 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.2 μg/m3 (94) 94.0
 
April 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.8 μg/m3 (76) 76.0
 
April 5, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.6 μg/m3 (69) 69.0
 
April 4, 2021, 11 p.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
 
April 4, 2021, 10 p.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
 
April 4, 2021, 9 p.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
 
April 4, 2021, 8 p.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
 
April 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (57) 57.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (66) 66.0
 
April 4, 2021, 4 p.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
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.8 μg/m3 (72) 72.0
 
April 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.6 μg/m3 (119) 119.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 48.1 μg/m3 (133) 133.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.5 μg/m3 (136) 136.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 54.9 μg/m3 (149) 149.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 62.6 μg/m3 (155) 155.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (156) 156.0
 
April 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.9 μg/m3 (156) 156.0
 
April 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 65.9 μg/m3 (157) 157.0
 
April 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.3 μg/m3 (158) 158.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 50.2 μg/m3 (138) 138.0
 
April 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.9 μg/m3 (107) 107.0
 
April 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.9 μg/m3 (81) 81.0
 
April 4, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
April 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (76) 76.0
 
April 3, 2021, 10 p.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
 
April 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.9 μg/m3 (72) 72.0
 
April 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (60) 60.0
 
April 3, 2021, 7 p.m. 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
 
April 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.4 μg/m3 (69) 69.0
 
April 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.3 μg/m3 (75) 75.0
 
April 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (57) 57.0
 
April 3, 2021, 3 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
 
April 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) 0.0
April 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
April 3, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (41) 41.0
 
April 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (39) 39.0
 
April 3, 2021, 10 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
 
April 3, 2021, 9 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
 
April 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (39) 39.0
 
April 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
April 3, 2021, 6 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
 
April 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
April 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (39) 39.0
 
April 3, 2021, 3 a.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
 
April 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
April 3, 2021, 1 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
 
April 3, 2021, midnight 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
 
April 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
April 2, 2021, 10 p.m. 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
 
April 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (8) 8.0
 
April 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
April 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.2 μg/m3 (0) 0.0
April 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
April 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.2 μg/m3 (0) 0.0
April 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -4.7 μg/m3 (0) 0.0
April 2, 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
April 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.2 μg/m3 (0) 0.0
April 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.2 μg/m3 (0) 0.0
April 2, 2021, noon 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
 
April 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
April 2, 2021, 10 a.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
 
April 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (68) 68.0
 
April 2, 2021, 8 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
 
April 2, 2021, 7 a.m. 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
 
April 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (76) 76.0
 
April 2, 2021, 5 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
 
April 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (54) 54.0
 
April 2, 2021, 3 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
 
April 2, 2021, 2 a.m. 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
 
April 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
April 2, 2021, midnight 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
 
April 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (53) 53.0
 
April 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
April 1, 2021, 9 p.m. 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
 
April 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
April 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.3 μg/m3 (0) 0.0
April 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (12) 12.0
 
April 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.9 μg/m3 (0) 0.0
April 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.6 μg/m3 (3) 3.0
 
April 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.3 μg/m3 (0) 0.0
April 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
April 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.7 μg/m3 (0) 0.0
April 1, 2021, noon 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
 
April 1, 2021, 11 a.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
 
April 1, 2021, 10 a.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
 
April 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
April 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
April 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
April 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
April 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
April 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
April 1, 2021, 3 a.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
 
April 1, 2021, 2 a.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
 
April 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
April 1, 2021, midnight 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
 
March 31, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
March 31, 2021, 10 p.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
 
March 31, 2021, 9 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
 
March 31, 2021, 8 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
 
March 31, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
March 31, 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
 
March 31, 2021, 5 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
 
March 31, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
March 31, 2021, 3 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
March 31, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -7.4 μg/m3 (0) 0.0
March 31, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.2 μg/m3 (0) 0.0
March 31, 2021, noon 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
 
March 31, 2021, 11 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