AQSQID: 170310001

Site Name: Alsip

Location: Alsip, IL

Reporting: True, Located: True

Current AQI: 51.0

Alsip IL, US: 41.6708, -87.7325

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 21, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 18.8 μg/m3 (64) 64.0
 
Sept. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 17.5 μg/m3 (62) 62.0
 
Sept. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 21.0 μg/m3 (69) 69.0
 
Sept. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.6 μg/m3 (70) 70.0
 
Sept. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.8 μg/m3 (75) 75.0
 
Sept. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 18.5 μg/m3 (64) 64.0
 
Sept. 21, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 5.7 μg/m3 (24) 48.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A N/A 43.0
 
Sept. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A N/A 8.0
 
Sept. 20, 2019, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Sept. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Sept. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Sept. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Sept. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Sept. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A N/A 7.0
 
Sept. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A N/A 4.0
 
Sept. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Sept. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 20, 2019, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A N/A 45.0
 
Sept. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A N/A 52.0
 
Sept. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (57) N/A N/A N/A 57.0
 
Sept. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A N/A 53.0
 
Sept. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A N/A 52.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A N/A 53.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A N/A 53.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A N/A 49.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 19, 2019, 3 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
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 19, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A N/A 43.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A N/A 7.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A N/A 44.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A N/A 43.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 17, 2019, 9 a.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
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 17, 2019, 1 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
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A N/A 6.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 15, 2019, 10 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
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 7.7 μg/m3 (32) 33.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 6.3 μg/m3 (26) 33.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.9 μg/m3 (20) 26.0