AQSQID: 170434002

Site Name: Naperville

Location: Naperville, IL

Reporting: True, Located: True

Current AQI: 86.0

Naperville IL, US: 41.7714, -88.1522

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (86) 86.0
 
July 23, 2019, 1 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
 
July 23, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
July 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (38) 38.0
 
July 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (35) 35.0
 
July 22, 2019, 9 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
 
July 22, 2019, 8 p.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
 
July 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
July 22, 2019, 6 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
 
July 22, 2019, 5 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
 
July 22, 2019, 4 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
 
July 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 22, 2019, 2 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
 
July 22, 2019, 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 (0) N/A
July 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
July 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
July 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.3 μg/m3 (0) N/A
July 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
July 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.7 μg/m3 (106) 106.0
 
July 22, 2019, 6 a.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
 
July 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (27) 27.0
 
July 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
July 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
July 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (51) 51.0
 
July 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (53) 53.0
 
July 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (60) 60.0
 
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (67) 67.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (64) 64.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (73) 73.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (78) 78.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (69) 69.0
 
July 18, 2019, 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 (69) 69.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.4 μg/m3 (79) 79.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (56) 56.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (60) 60.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (59) 59.0
 
July 17, 2019, 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
 
July 17, 2019, 8 p.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
 
July 17, 2019, 7 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
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (21) 21.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
July 17, 2019, 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 (24) 24.0
 
July 17, 2019, 3 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
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (53) 53.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (24) 24.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (40) 40.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (42) 42.0
 
July 17, 2019, 9 a.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
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (50) 50.0
 
July 17, 2019, 7 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
 
July 17, 2019, 6 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
 
July 17, 2019, 5 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
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (42) 42.0
 
July 17, 2019, 3 a.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
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (51) 51.0
 
July 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/m3 (56) 56.0
 
July 17, 2019, midnight 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
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -9.5 μg/m3 (0) N/A
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
July 16, 2019, 7 p.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
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (32) 32.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (51) 51.0
 
July 16, 2019, 2 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
 
July 16, 2019, 1 p.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
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.3 μg/m3 (97) 97.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (62) 62.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (58) 58.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.8 μg/m3 (73) 73.0
 
July 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.8 μg/m3 (0) N/A
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
July 16, 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/m3 (52) 52.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (56) 56.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (40) 40.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (38) 38.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.4 μg/m3 (0) N/A
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -4.1 μg/m3 (0) N/A
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.4 μg/m3 (0) N/A
July 15, 2019, 1 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
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (35) 35.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (30) 30.0
 
July 15, 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/m3 (45) 45.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (53) 53.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (50) 50.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
July 15, 2019, 6 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
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.2 μg/m3 (59) 59.0
 
July 15, 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/m3 (55) 55.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (52) 52.0
 
July 15, 2019, 2 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
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.7 μg/m3 (0) N/A
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (69) 69.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.2 μg/m3 (122) 122.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.8 μg/m3 (67) 67.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (62) 62.0
 
July 14, 2019, 8 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
 
July 14, 2019, 7 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) N/A
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.7 μg/m3 (110) 110.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (65) 65.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (51) 51.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.5 μg/m3 (0) N/A
July 14, 2019, 1 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
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (39) 39.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (39) 39.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (40) 40.0
 
July 14, 2019, 8 a.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
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
July 14, 2019, 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
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (55) 55.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (65) 65.0
 
July 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.3 μg/m3 (63) 63.0
 
July 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.3 μg/m3 (68) 68.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (57) 57.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.7 μg/m3 (71) 71.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (69) 69.0
 
July 13, 2019, 10 p.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
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (38) 38.0
 
July 13, 2019, 8 p.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
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (21) 21.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
July 13, 2019, 4 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
 
July 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
July 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (53) 53.0
 
July 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/m3 (45) 45.0
 
July 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (50) 50.0
 
July 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
July 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (63) 63.0
 
July 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (67) 67.0
 
July 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
July 13, 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/m3 (45) 45.0
 
July 13, 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/m3 (55) 55.0
 
July 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.1 μg/m3 (61) 61.0
 
July 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (55) 55.0
 
July 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (60) 60.0
 
July 13, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (59) 59.0
 
July 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
July 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (35) 35.0
 
July 12, 2019, 9 p.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
 
July 12, 2019, 8 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
 
July 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
July 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (42) 42.0
 
July 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.2 μg/m3 (0) N/A
July 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -5.4 μg/m3 (0) N/A
July 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
July 12, 2019, noon 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
 
July 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (49) 49.0
 
July 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (43) 43.0
 
July 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (51) 51.0
 
July 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (45) 45.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (24) 24.0