AQSQID: 260490021

Site Name: Flint

Location: City of Flint, MI

Reporting: True, Located: True

Current AQI: 12.0

City of Flint MI, US: 43.0289, -83.669403

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2019, 5 a.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
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 5.1 μg/m3 (21) 21.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 1.1 μg/m3 (5) 5.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 17, 2019, 11 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
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 0.1 μg/m3 (0) 31.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.9 μg/m3 (12) 32.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.9 μg/m3 (20) 29.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.1 μg/m3 (17) 27.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 5.9 μg/m3 (25) 26.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 1.1 μg/m3 (5) 14.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.9 μg/m3 (12) 15.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.0 μg/m3 (8) 24.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 0.1 μg/m3 (0) 10.0
 
Sept. 17, 2019, 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
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.1 μg/m3 (9) 15.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A -0.9 μg/m3 (0) 16.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.9 μg/m3 (8) 20.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.9 μg/m3 (16) 25.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.0 μg/m3 (12) 30.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 5.9 μg/m3 (25) 30.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.1 μg/m3 (17) 28.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Sept. 16, 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. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 5.1 μg/m3 (21) 21.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 3.0 μg/m3 (12) 12.0
 
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 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 3.0 μg/m3 (12) 13.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 0.1 μg/m3 (0) 29.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.0 μg/m3 (4) 30.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.9 μg/m3 (16) 32.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.1 μg/m3 (9) 30.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.9 μg/m3 (20) 31.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 6.9 μg/m3 (29) 30.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 3.0 μg/m3 (12) 14.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A -1.9 μg/m3 (0) 20.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 1.9 μg/m3 (8) 29.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.0 μg/m3 (12) 29.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 0.1 μg/m3 (0) 30.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A -1.9 μg/m3 (0) 28.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.9 μg/m3 (16) 24.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.1 μg/m3 (9) 19.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.0 μg/m3 (4) 15.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.0 μg/m3 (4) 12.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A -0.9 μg/m3 (0) 12.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A -1.0 μg/m3 (0) 13.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.0 μg/m3 (4) 16.0
 
Sept. 14, 2019, 5 a.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
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.9 μg/m3 (16) 21.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.1 μg/m3 (5) 27.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 11.1 μg/m3 (46) 46.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.1 μg/m3 (25) 27.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 2.0 μg/m3 (8) 12.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 3.0 μg/m3 (12) 13.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 13, 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
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.0 μg/m3 (4) 16.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.9 μg/m3 (12) 16.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 2.0 μg/m3 (8) 14.0
 
Sept. 13, 2019, 5 a.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
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 3.2 μg/m3 (13) 13.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 1.1 μg/m3 (5) 10.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 2.0 μg/m3 (8) 9.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 2.1 μg/m3 (9) 12.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 2.0 μg/m3 (8) 9.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 0.1 μg/m3 (0) 8.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 1.0 μg/m3 (4) 8.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 2.0 μg/m3 (8) 10.0
 
Sept. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A -1.9 μg/m3 (0) 13.0
 
Sept. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A -3.0 μg/m3 (0) 14.0
 
Sept. 12, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A -1.1 μg/m3 (0) 12.0
 
Sept. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
Sept. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A -2.9 μg/m3 (0) 12.0
 
Sept. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A -1.1 μg/m3 (0) 10.0
 
Sept. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 0.0 μg/m3 (0) 10.0
 
Sept. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A -3.9 μg/m3 (0) 12.0
 
Sept. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A -2.1 μg/m3 (0) 16.0
 
Sept. 12, 2019, 5 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) N/A
Sept. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.9 μg/m3 (12) 22.0
 
Sept. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Sept. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 0.1 μg/m3 (0) 19.0
 
Sept. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.9 μg/m3 (8) 20.0
 
Sept. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
Sept. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.1 μg/m3 (0) 24.0
 
Sept. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.9 μg/m3 (12) 28.0
 
Sept. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 7.0 μg/m3 (29) 32.0
 
Sept. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
Sept. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 7.9 μg/m3 (33) 40.0
 
Sept. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 6.1 μg/m3 (25) 38.0
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 7.9 μg/m3 (33) 34.0
 
Sept. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2019, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 8.0 μg/m3 (33) 33.0