ID: 2951

AQSQID: 171971002

Site Name: Joliet

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

Updated: Feb. 25, 2021, 7:32 p.m.

Location: Joliet (Idylside), IL

Reporting: True, Located: True

Current AQI: 38.0

Joliet (Idylside) IL, US: 41.526885, -88.116474

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 25, 2021, 6 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
 
Feb. 25, 2021, 5 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
 
Feb. 25, 2021, 4 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
 
Feb. 25, 2021, 3 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
 
Feb. 25, 2021, 2 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
 
Feb. 25, 2021, 1 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
 
Feb. 25, 2021, noon 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
 
Feb. 25, 2021, 11 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
 
Feb. 25, 2021, 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 (52) 52.0
 
Feb. 25, 2021, 9 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
 
Feb. 25, 2021, 8 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
 
Feb. 25, 2021, 7 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
 
Feb. 25, 2021, 6 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
 
Feb. 25, 2021, 5 a.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
 
Feb. 25, 2021, 4 a.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
 
Feb. 25, 2021, 3 a.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
 
Feb. 25, 2021, 2 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
 
Feb. 25, 2021, 1 a.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
 
Feb. 25, 2021, midnight 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
 
Feb. 24, 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
 
Feb. 24, 2021, 10 p.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
 
Feb. 24, 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
 
Feb. 24, 2021, 8 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
 
Feb. 24, 2021, 7 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
 
Feb. 24, 2021, 6 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
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (58) 58.0
 
Feb. 24, 2021, 4 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
 
Feb. 24, 2021, 3 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
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.8 μg/m3 (0) 0.0
Feb. 24, 2021, 1 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
 
Feb. 24, 2021, noon 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
 
Feb. 24, 2021, 11 a.m. 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
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (13) 13.0
 
Feb. 24, 2021, 9 a.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
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (16) 16.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (52) 52.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
Feb. 24, 2021, 4 a.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
 
Feb. 24, 2021, 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
 
Feb. 24, 2021, 2 a.m. 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
 
Feb. 24, 2021, 1 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
 
Feb. 24, 2021, midnight 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
 
Feb. 23, 2021, 11 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
 
Feb. 23, 2021, 10 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
 
Feb. 23, 2021, 9 p.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
 
Feb. 23, 2021, 8 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
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
Feb. 23, 2021, 6 p.m. 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
 
Feb. 23, 2021, 5 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
 
Feb. 23, 2021, 4 p.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
 
Feb. 23, 2021, 3 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
 
Feb. 23, 2021, 2 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
 
Feb. 23, 2021, 1 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
 
Feb. 23, 2021, noon 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
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (16) 16.0
 
Feb. 23, 2021, 10 a.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
 
Feb. 23, 2021, 9 a.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
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) 0.0
Feb. 23, 2021, 5 a.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
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (13) 13.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (16) 16.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
Feb. 23, 2021, 1 a.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
 
Feb. 23, 2021, midnight 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
 
Feb. 22, 2021, 11 p.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
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.3 μg/m3 (77) 77.0
 
Feb. 22, 2021, 9 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
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (61) 61.0
 
Feb. 22, 2021, 7 p.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
 
Feb. 22, 2021, 6 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
 
Feb. 22, 2021, 5 p.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
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.3 μg/m3 (77) 77.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (75) 75.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.1 μg/m3 (81) 81.0
 
Feb. 22, 2021, noon 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
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (71) 71.0
 
Feb. 22, 2021, 10 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
 
Feb. 22, 2021, 9 a.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
 
Feb. 22, 2021, 8 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
 
Feb. 22, 2021, 7 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
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (6) 6.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
Feb. 22, 2021, 4 a.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
 
Feb. 22, 2021, 3 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
 
Feb. 22, 2021, 2 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
 
Feb. 22, 2021, 1 a.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
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (52) 52.0
 
Feb. 21, 2021, 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 (41) 41.0
 
Feb. 21, 2021, 10 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
 
Feb. 21, 2021, 9 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
 
Feb. 21, 2021, 8 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
 
Feb. 21, 2021, 7 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
 
Feb. 21, 2021, 6 p.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
 
Feb. 21, 2021, 5 p.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
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.5 μg/m3 (63) 63.0
 
Feb. 21, 2021, 3 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
 
Feb. 21, 2021, 2 p.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
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (63) 63.0
 
Feb. 21, 2021, noon 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
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (79) 79.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (80) 80.0
 
Feb. 21, 2021, 9 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
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.5 μg/m3 (86) 86.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.9 μg/m3 (89) 89.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.1 μg/m3 (83) 83.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.7 μg/m3 (76) 76.0
 
Feb. 21, 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
 
Feb. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.7 μg/m3 (82) 82.0
 
Feb. 21, 2021, 2 a.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
 
Feb. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.3 μg/m3 (83) 83.0
 
Feb. 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.6 μg/m3 (88) 88.0
 
Feb. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.9 μg/m3 (76) 76.0
 
Feb. 20, 2021, 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 (60) 60.0
 
Feb. 20, 2021, 9 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
 
Feb. 20, 2021, 8 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
 
Feb. 20, 2021, 7 p.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
 
Feb. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.2 μg/m3 (81) 81.0
 
Feb. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.5 μg/m3 (88) 88.0
 
Feb. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Feb. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.6 μg/m3 (112) 112.0
 
Feb. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (110) 110.0
 
Feb. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.3 μg/m3 (96) 96.0
 
Feb. 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.1 μg/m3 (94) 94.0
 
Feb. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Feb. 20, 2021, 10 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
 
Feb. 20, 2021, 9 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
 
Feb. 20, 2021, 8 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
 
Feb. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.2 μg/m3 (83) 83.0
 
Feb. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.9 μg/m3 (89) 89.0
 
Feb. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.3 μg/m3 (83) 83.0
 
Feb. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.2 μg/m3 (96) 96.0
 
Feb. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.2 μg/m3 (90) 90.0
 
Feb. 20, 2021, 2 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
 
Feb. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.5 μg/m3 (84) 84.0
 
Feb. 20, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.5 μg/m3 (80) 80.0
 
Feb. 19, 2021, 11 p.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
 
Feb. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.3 μg/m3 (65) 65.0
 
Feb. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (71) 71.0
 
Feb. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.4 μg/m3 (84) 84.0
 
Feb. 19, 2021, 7 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
 
Feb. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.3 μg/m3 (88) 88.0
 
Feb. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.6 μg/m3 (90) 90.0
 
Feb. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.8 μg/m3 (91) 91.0
 
Feb. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.1 μg/m3 (96) 96.0
 
Feb. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.6 μg/m3 (109) 109.0
 
Feb. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.9 μg/m3 (95) 95.0
 
Feb. 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.5 μg/m3 (86) 86.0
 
Feb. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.1 μg/m3 (79) 79.0
 
Feb. 19, 2021, 10 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
 
Feb. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.2 μg/m3 (73) 73.0
 
Feb. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (70) 70.0
 
Feb. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.8 μg/m3 (68) 68.0
 
Feb. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (75) 75.0
 
Feb. 19, 2021, 5 a.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
 
Feb. 19, 2021, 4 a.m. 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
 
Feb. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (70) 70.0
 
Feb. 19, 2021, 2 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
 
Feb. 19, 2021, 1 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
 
Feb. 19, 2021, midnight 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
 
Feb. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.1 μg/m3 (81) 81.0
 
Feb. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (70) 70.0
 
Feb. 18, 2021, 9 p.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
 
Feb. 18, 2021, 8 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
 
Feb. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (58) 58.0
 
Feb. 18, 2021, 6 p.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
 
Feb. 18, 2021, 5 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