AQSQID: 261630015

Site Name: Detroit - Southwest

Location: Detroit (Fort St W), MI

Reporting: True, Located: True

Current AQI: 68.0

Detroit (Fort St W) MI, US: 42.3042, -83.1072

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) N/A N/A N/A 20.3 μg/m3 (68) 68.0
 
Sept. 21, 2019, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A 17.3 μg/m3 (61) 61.0
 
Sept. 21, 2019, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 21, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 21, 2019, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A 2.0 ppb (3) N/A N/A N/A 16.1 μg/m3 (59) 59.0
 
Sept. 21, 2019, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A 2.0 ppb (3) N/A N/A N/A 14.6 μg/m3 (56) 56.0
 
Sept. 21, 2019, midnight N/A N/A N/A 13.0 ppb (12) N/A 3.0 ppb (4) N/A N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) N/A N/A N/A 19.5 μg/m3 (66) 66.0
 
Sept. 20, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 4.0 ppb (6) N/A N/A N/A 28.7 μg/m3 (86) 86.0
 
Sept. 20, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 6.0 ppb (9) N/A N/A N/A 22.1 μg/m3 (71) 71.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 6.0 ppb (9) N/A N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A 9.0 ppb (8) N/A 6.0 ppb (9) N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A 6.0 ppb (9) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 20, 2019, 5 p.m. N/A N/A N/A 17.0 ppb (16) N/A 17.0 ppb (24) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A 21.0 ppb (19) N/A 19.0 ppb (27) N/A N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A 17.0 ppb (16) N/A 7.0 ppb (10) N/A N/A N/A 23.2 μg/m3 (74) 74.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A 17.0 ppb (16) N/A 4.0 ppb (6) N/A N/A N/A 17.5 μg/m3 (62) 62.0
 
Sept. 20, 2019, 1 p.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (4) N/A N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 20, 2019, noon N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 20, 2019, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A N/A 14.0
 
Sept. 20, 2019, 10 a.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 20, 2019, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A N/A 7.0
 
Sept. 20, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 6.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 11.0
 
Sept. 20, 2019, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A N/A 10.0
 
Sept. 20, 2019, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 11.0
 
Sept. 20, 2019, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) N/A N/A N/A N/A 17.0
 
Sept. 20, 2019, 3 a.m. N/A N/A N/A 28.0 ppb (26) N/A 2.0 ppb (3) N/A N/A N/A N/A 26.0
 
Sept. 20, 2019, 2 a.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) N/A N/A N/A N/A 22.0
 
Sept. 20, 2019, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 11.0
 
Sept. 20, 2019, midnight N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 19, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 5.0
 
Sept. 19, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) N/A N/A N/A N/A 4.0
 
Sept. 19, 2019, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (4) N/A N/A N/A N/A 5.0
 
Sept. 19, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (4) N/A N/A N/A N/A 5.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (4) N/A N/A N/A N/A 4.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (4) N/A N/A N/A N/A 4.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A N/A 6.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A N/A 6.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (4) N/A N/A N/A N/A 5.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A N/A 6.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A 17.0 ppb (16) N/A 3.0 ppb (4) N/A N/A N/A N/A 16.0
 
Sept. 19, 2019, noon N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) N/A N/A N/A N/A 23.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A 27.0 ppb (25) N/A 2.0 ppb (3) N/A N/A N/A N/A 25.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) N/A N/A N/A N/A 23.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A N/A 19.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) N/A N/A N/A N/A 18.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 13.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A N/A 10.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 8.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A N/A 7.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A 106.8 μg/m3 (177) 177.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A 156.7 μg/m3 (206) 206.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A N/A 11.0
 
Sept. 19, 2019, midnight N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A N/A 9.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A N/A 6.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A 50.2 μg/m3 (137) 137.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A N/A 5.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A 3.0 ppb (4) N/A N/A N/A N/A 8.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) N/A N/A N/A N/A 7.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) N/A N/A N/A 115.0 μg/m3 (181) 181.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 3.0 ppb (4) N/A N/A N/A N/A 4.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (4) N/A N/A N/A N/A 4.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 4.0 ppb (6) N/A N/A N/A 23.0 μg/m3 (73) 73.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A 9.0 ppb (8) N/A 4.0 ppb (6) N/A N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A 3.0 ppb (4) N/A N/A N/A 25.6 μg/m3 (79) 79.0
 
Sept. 18, 2019, noon N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A 4.3 μg/m3 (18) 19.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) N/A N/A N/A 2.0 μg/m3 (8) 24.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) N/A N/A N/A -0.1 μg/m3 (0) 24.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) N/A N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) N/A N/A N/A 27.1 μg/m3 (82) 82.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) N/A N/A N/A 3.2 μg/m3 (13) 17.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) N/A N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A 2.0 ppb (3) N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A 17.0 ppb (16) N/A 2.0 ppb (3) N/A N/A N/A 2.5 μg/m3 (10) 16.0
 
Sept. 18, 2019, midnight N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) N/A N/A N/A N/A 13.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A 21.8 μg/m3 (71) 71.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A 15.0 ppb (14) N/A 3.0 ppb (4) N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A 13.0 ppb (12) N/A 3.0 ppb (4) N/A N/A N/A -4.8 μg/m3 (0) 12.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A 9.0 ppb (8) N/A 3.0 ppb (4) N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) N/A N/A N/A 20.9 μg/m3 (69) 69.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A 17.5 μg/m3 (62) 62.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) N/A N/A N/A 20.4 μg/m3 (68) 68.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) N/A N/A N/A 33.2 μg/m3 (95) 95.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) N/A N/A N/A 24.9 μg/m3 (77) 77.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A 21.0 ppb (19) N/A 3.0 ppb (4) N/A N/A N/A 16.4 μg/m3 (59) 59.0
 
Sept. 17, 2019, noon N/A N/A N/A 21.0 ppb (19) N/A 3.0 ppb (4) N/A N/A N/A 16.4 μg/m3 (59) 59.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) N/A N/A N/A 30.6 μg/m3 (90) 90.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A 26.4 μg/m3 (81) 81.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A 23.2 μg/m3 (74) 74.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A 28.9 μg/m3 (86) 86.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A 15.0 ppb (14) N/A 3.0 ppb (4) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, midnight N/A N/A N/A 22.0 ppb (20) N/A 3.0 ppb (4) N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) N/A N/A N/A 4.2 μg/m3 (18) 21.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (4) N/A N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A 17.0 ppb (16) N/A 3.0 ppb (4) N/A N/A N/A 25.9 μg/m3 (80) 80.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A 19.0 ppb (18) N/A 4.0 ppb (6) N/A N/A N/A 22.6 μg/m3 (73) 73.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A 17.0 ppb (16) N/A 4.0 ppb (6) N/A N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A 16.0 ppb (15) N/A 5.0 ppb (7) N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (4) N/A N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) N/A N/A N/A 16.2 μg/m3 (59) 59.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A 22.0 ppb (20) N/A 3.0 ppb (4) N/A N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) N/A N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 16, 2019, noon N/A N/A N/A 22.0 ppb (20) N/A 2.0 ppb (3) N/A N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) N/A N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) N/A N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A 22.0 ppb (20) N/A 2.0 ppb (3) N/A N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A 16.0 ppb (15) N/A 2.0 ppb (3) N/A N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A 27.0 ppb (25) N/A 3.0 ppb (4) N/A N/A N/A 4.6 μg/m3 (19) 25.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A 29.0 ppb (27) N/A 3.0 ppb (4) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A 30.0 ppb (28) N/A 3.0 ppb (4) N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A 21.0 ppb (19) N/A 3.0 ppb (4) N/A N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A 3.0 ppb (4) N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 16, 2019, midnight N/A N/A N/A 10.0 ppb (9) N/A 3.0 ppb (4) N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 3.0 ppb (4) N/A N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 4.0 ppb (6) N/A N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 5.0 ppb (7) N/A N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 4.0 ppb (6) N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A 3.0 ppb (4) N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A 4.0 ppb (6) N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A 15.0 ppb (14) N/A 4.0 ppb (6) N/A N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (4) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, noon N/A N/A N/A 16.0 ppb (15) N/A 3.0 ppb (4) N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A 13.0 ppb (12) N/A 2.0 ppb (3) N/A N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A 7.5 μg/m3 (31) 31.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) N/A N/A N/A 20.6 μg/m3 (68) 68.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A 29.4 μg/m3 (87) 87.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) N/A N/A N/A 0.5 μg/m3 (2) 22.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A 2.0 ppb (3) N/A N/A N/A 33.1 μg/m3 (95) 95.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A 15.8 μg/m3 (58) 58.0
 
Sept. 15, 2019, midnight N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A N/A 8.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A N/A N/A -3.3 μg/m3 (0) 10.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 3.0 ppb (4) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 3.0 ppb (4) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) N/A N/A N/A N/A 7.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A N/A 6.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A -0.8 μg/m3 (0) 6.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A N/A 6.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) N/A N/A N/A N/A 7.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A 3.0 ppb (4) N/A N/A N/A 1.6 μg/m3 (7) 8.0
 
Sept. 14, 2019, noon N/A N/A N/A 13.0 ppb (12) N/A 3.0 ppb (4) N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A 17.0 ppb (16) N/A 3.0 ppb (4) N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A 16.0 ppb (15) N/A 3.0 ppb (4) N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A 5.0 ppb (7) N/A N/A N/A 1.7 μg/m3 (7) 12.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A 13.0 ppb (12) N/A 5.0 ppb (7) N/A N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A 17.3 μg/m3 (61) 61.0