AQSQID: 171132003

Site Name: Normal

Location: Normal, IL

Reporting: True, Located: True

Current AQI: 28.0

Normal IL, US: 40.5169, -88.9975

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.9 μg/m3 (20) 28.0
 
Jan. 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.2 μg/m3 (26) 27.0
 
Jan. 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 14.4 μg/m3 (55) 55.0
 
Jan. 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 17.1 μg/m3 (61) 61.0
 
Jan. 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 17.2 μg/m3 (61) 61.0
 
Jan. 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 15.2 μg/m3 (57) 57.0
 
Jan. 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 21.5 μg/m3 (70) 70.0
 
Jan. 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.9 μg/m3 (8) 12.0
 
Jan. 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 1.0 μg/m3 (4) 14.0
 
Jan. 23, 2019, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
Jan. 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.8 μg/m3 (8) 12.0
 
Jan. 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.0 μg/m3 (8) 16.0
 
Jan. 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.9 μg/m3 (16) 16.0
 
Jan. 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.9 μg/m3 (12) 17.0
 
Jan. 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 0.6 μg/m3 (2) 17.0
 
Jan. 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.2 μg/m3 (5) 16.0
 
Jan. 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A -0.7 μg/m3 (0) 14.0
 
Jan. 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 32.1 μg/m3 (93) 93.0
 
Jan. 23, 2019, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 12.1 μg/m3 (50) 50.0
 
Jan. 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 10.5 μg/m3 (44) 44.0
 
Jan. 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.7 μg/m3 (20) 21.0
 
Jan. 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 12.3 μg/m3 (51) 51.0
 
Jan. 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 9.4 μg/m3 (39) 39.0
 
Jan. 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 8.9 μg/m3 (37) 37.0
 
Jan. 22, 2019, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 28.6 μg/m3 (85) 85.0
 
Jan. 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 8.7 μg/m3 (36) 36.0
 
Jan. 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 10.1 μg/m3 (42) 42.0
 
Jan. 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 10.1 μg/m3 (42) 42.0
 
Jan. 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 5.3 μg/m3 (22) 26.0
 
Jan. 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 22, 2019, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
Jan. 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -2.4 μg/m3 (0) 29.0
 
Jan. 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A -3.8 μg/m3 (0) 30.0
 
Jan. 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A -7.0 μg/m3 (0) 30.0
 
Jan. 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Jan. 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 26.5 μg/m3 (81) 81.0
 
Jan. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.7 μg/m3 (15) 25.0
 
Jan. 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 13.5 μg/m3 (53) 53.0
 
Jan. 21, 2019, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 11.8 μg/m3 (49) 49.0
 
Jan. 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 9.6 μg/m3 (40) 40.0
 
Jan. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 22.6 μg/m3 (73) 73.0
 
Jan. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 12.3 μg/m3 (51) 51.0
 
Jan. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 4.1 μg/m3 (17) 22.0
 
Jan. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.6 μg/m3 (23) 23.0
 
Jan. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.9 μg/m3 (16) 25.0
 
Jan. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.2 μg/m3 (13) 26.0
 
Jan. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.5 μg/m3 (19) 27.0
 
Jan. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
Jan. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.9 μg/m3 (16) 28.0
 
Jan. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.5 μg/m3 (27) 28.0
 
Jan. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.9 μg/m3 (16) 28.0
 
Jan. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.2 μg/m3 (22) 27.0
 
Jan. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.6 μg/m3 (23) 27.0
 
Jan. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 8.7 μg/m3 (36) 36.0
 
Jan. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
Jan. 20, 2019, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 1.8 μg/m3 (8) 26.0
 
Jan. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 0.4 μg/m3 (2) 27.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A -4.4 μg/m3 (0) 28.0
 
Jan. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
Jan. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A -1.6 μg/m3 (0) 27.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.8 μg/m3 (32) 32.0
 
Jan. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 5.4 μg/m3 (23) 26.0
 
Jan. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 5.8 μg/m3 (24) 26.0
 
Jan. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.4 μg/m3 (14) 27.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 0.2 μg/m3 (1) 28.0
 
Jan. 20, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.4 μg/m3 (6) 27.0
 
Jan. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A -0.8 μg/m3 (0) 27.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 22.4 μg/m3 (72) 72.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 23.9 μg/m3 (75) 75.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.3 μg/m3 (22) 27.0
 
Jan. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.2 μg/m3 (13) 24.0
 
Jan. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.0 μg/m3 (12) 23.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 10.4 μg/m3 (43) 43.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 14.4 μg/m3 (55) 55.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 15.9 μg/m3 (58) 58.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 17.7 μg/m3 (62) 62.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 18.4 μg/m3 (64) 64.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 16.6 μg/m3 (60) 60.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 18.9 μg/m3 (65) 65.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 22.9 μg/m3 (73) 73.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 30.6 μg/m3 (90) 90.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 27.1 μg/m3 (82) 82.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 22.9 μg/m3 (73) 73.0
 
Jan. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 19.9 μg/m3 (67) 67.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 20.8 μg/m3 (69) 69.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 21.4 μg/m3 (70) 70.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 20.3 μg/m3 (68) 68.0
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 17.6 μg/m3 (62) 62.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 17.5 μg/m3 (62) 62.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 17.6 μg/m3 (62) 62.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 15.8 μg/m3 (58) 58.0
 
Jan. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 16.1 μg/m3 (59) 59.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 18.1 μg/m3 (63) 63.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 23.3 μg/m3 (74) 74.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 21.5 μg/m3 (70) 70.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 17.2 μg/m3 (61) 61.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 16.7 μg/m3 (60) 60.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 15.8 μg/m3 (58) 58.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 17.8 μg/m3 (62) 62.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 20.9 μg/m3 (69) 69.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 21.6 μg/m3 (70) 70.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 20.0 μg/m3 (67) 67.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 18.8 μg/m3 (64) 64.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 16.4 μg/m3 (59) 59.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 15.1 μg/m3 (57) 57.0
 
Jan. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 14.6 μg/m3 (56) 56.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 12.6 μg/m3 (51) 51.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 12.4 μg/m3 (51) 51.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 17.2 μg/m3 (61) 61.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 16.2 μg/m3 (59) 59.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 15.1 μg/m3 (57) 57.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 17.9 μg/m3 (63) 63.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 17.3 μg/m3 (61) 61.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 18.6 μg/m3 (64) 64.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 17.2 μg/m3 (61) 61.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 14.4 μg/m3 (55) 55.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 17.7 μg/m3 (62) 62.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 13.5 μg/m3 (53) 53.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 12.3 μg/m3 (51) 51.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 8.5 μg/m3 (35) 35.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 11.7 μg/m3 (49) 49.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 14.8 μg/m3 (56) 56.0
 
Jan. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 7.8 μg/m3 (32) 32.0
 
Jan. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 13.4 μg/m3 (53) 53.0
 
Jan. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 18.6 μg/m3 (64) 64.0
 
Jan. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 18.4 μg/m3 (64) 64.0
 
Jan. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 16.2 μg/m3 (59) 59.0