ID: 1523

AQSQID: 261630015

Site Name: Detroit - Southwest

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

Updated: Oct. 25, 2021, 11:03 a.m.

Location: Detroit (Fort St W), MI

Reporting: True, Located: True

Current AQI: 55.0

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
Oct. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.6 μg/m3 (55) 55.0
 
Oct. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 15.5 μg/m3 (59) 59.0
 
Oct. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.1 μg/m3 (56) 56.0
 
Oct. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
Oct. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (58) 58.0
 
Oct. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.3 μg/m3 (56) 56.0
 
Oct. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.4 μg/m3 (54) 54.0
 
Oct. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.2 μg/m3 (52) 52.0
 
Oct. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Oct. 25, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.2 μg/m3 (56) 56.0
 
Oct. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 16.6 μg/m3 (61) 61.0
 
Oct. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 18.3 μg/m3 (65) 65.0
 
Oct. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 16.5 μg/m3 (61) 61.0
 
Oct. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
Oct. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.9 μg/m3 (53) 53.0
 
Oct. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 11.9 μg/m3 (50) 50.0
 
Oct. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.7 μg/m3 (53) 53.0
 
Oct. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.6 μg/m3 (57) 57.0
 
Oct. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.8 μg/m3 (57) 57.0
 
Oct. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 20.7 μg/m3 (70) 70.0
 
Oct. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 31.2 μg/m3 (92) 92.0
 
Oct. 24, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 39.0 μg/m3 (110) 110.0
 
Oct. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 41.7 μg/m3 (117) 117.0
 
Oct. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 44.3 μg/m3 (123) 123.0
 
Oct. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 45.9 μg/m3 (127) 127.0
 
Oct. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 50.1 μg/m3 (137) 137.0
 
Oct. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 54.7 μg/m3 (149) 149.0
 
Oct. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 61.9 μg/m3 (155) 155.0
 
Oct. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (153) 153.0
 
Oct. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 53.6 μg/m3 (146) 146.0
 
Oct. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 49.1 μg/m3 (135) 135.0
 
Oct. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 35.1 μg/m3 (100) 100.0
 
Oct. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.5 μg/m3 (67) 67.0
 
Oct. 24, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.2 μg/m3 (66) 66.0
 
Oct. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 24.4 μg/m3 (77) 77.0
 
Oct. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
Oct. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Oct. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
Oct. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
Oct. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.9 μg/m3 (38) 38.0
 
Oct. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.9 μg/m3 (42) 42.0
 
Oct. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.7 μg/m3 (53) 53.0
 
Oct. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 15.1 μg/m3 (58) 58.0
 
Oct. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
Oct. 23, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 11.6 μg/m3 (49) 49.0
 
Oct. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.5 μg/m3 (36) 36.0
 
Oct. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
Oct. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
Oct. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
Oct. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
Oct. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 16.4 μg/m3 (61) 61.0
 
Oct. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.6 μg/m3 (55) 55.0
 
Oct. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.5 μg/m3 (57) 57.0
 
Oct. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 11.8 μg/m3 (50) 50.0
 
Oct. 23, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
Oct. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.3 μg/m3 (31) 31.0
 
Oct. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
Oct. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.3 μg/m3 (23) 23.0
 
Oct. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
Oct. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Oct. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.9 μg/m3 (21) 21.0
 
Oct. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
Oct. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
Oct. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Oct. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Oct. 22, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.5 μg/m3 (40) 40.0
 
Oct. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
Oct. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
Oct. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
Oct. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
Oct. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
Oct. 22, 2021, 5 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
 
Oct. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Oct. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 1.5 μg/m3 (7) 7.0
 
Oct. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
Oct. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Oct. 22, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
Oct. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
Oct. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 11.1 μg/m3 (47) 47.0
 
Oct. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
Oct. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 21.5 μg/m3 (71) 71.0
 
Oct. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 23.2 μg/m3 (75) 75.0
 
Oct. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 23.9 μg/m3 (76) 76.0
 
Oct. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 30.2 μg/m3 (90) 90.0
 
Oct. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Oct. 21, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 24.8 μg/m3 (78) 78.0
 
Oct. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 26.8 μg/m3 (82) 82.0
 
Oct. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 20.6 μg/m3 (69) 69.0
 
Oct. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 20.9 μg/m3 (70) 70.0
 
Oct. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 21.2 μg/m3 (71) 71.0
 
Oct. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.4 μg/m3 (71) 71.0
 
Oct. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.1 μg/m3 (66) 66.0
 
Oct. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.5 μg/m3 (69) 69.0
 
Oct. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 18.8 μg/m3 (66) 66.0
 
Oct. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 17.6 μg/m3 (63) 63.0
 
Oct. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 18.9 μg/m3 (66) 66.0
 
Oct. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 18.5 μg/m3 (65) 65.0
 
Oct. 21, 2021, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
Oct. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 19.7 μg/m3 (67) 67.0
 
Oct. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A N/A 19.5 μg/m3 (67) 67.0
 
Oct. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) N/A N/A N/A 20.9 μg/m3 (70) 70.0
 
Oct. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A N/A 17.1 μg/m3 (62) 62.0
 
Oct. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 17.0 ppb (25) N/A N/A N/A 16.9 μg/m3 (62) 62.0
 
Oct. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A N/A 17.5 μg/m3 (63) 63.0
 
Oct. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 15.1 μg/m3 (58) 58.0
 
Oct. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 14.8 μg/m3 (57) 57.0
 
Oct. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
Oct. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 19.6 μg/m3 (67) 67.0
 
Oct. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 28.6 μg/m3 (86) 86.0
 
Oct. 20, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 34.0 μg/m3 (98) 98.0
 
Oct. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 34.4 μg/m3 (98) 98.0
 
Oct. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 29.2 μg/m3 (87) 87.0
 
Oct. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.4 μg/m3 (67) 67.0
 
Oct. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 18.3 μg/m3 (65) 65.0
 
Oct. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 23.2 μg/m3 (75) 75.0
 
Oct. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (69) 69.0
 
Oct. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.8 μg/m3 (55) 55.0
 
Oct. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.9 μg/m3 (55) 55.0
 
Oct. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.2 μg/m3 (71) 71.0
 
Oct. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
Oct. 20, 2021, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 17.2 μg/m3 (62) 62.0
 
Oct. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.4 μg/m3 (54) 54.0
 
Oct. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 14.1 μg/m3 (56) 56.0
 
Oct. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 10.6 μg/m3 (45) 45.0
 
Oct. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 10.9 μg/m3 (46) 46.0
 
Oct. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 12.9 μg/m3 (53) 53.0
 
Oct. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 15.2 μg/m3 (58) 58.0
 
Oct. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 18.2 μg/m3 (64) 64.0
 
Oct. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Oct. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Oct. 19, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 28.3 μg/m3 (86) 86.0
 
Oct. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 39.1 μg/m3 (110) 110.0
 
Oct. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 26.4 μg/m3 (82) 82.0
 
Oct. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.1 μg/m3 (70) 70.0
 
Oct. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 22.9 μg/m3 (74) 74.0
 
Oct. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Oct. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.8 μg/m3 (68) 68.0
 
Oct. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.7 μg/m3 (80) 80.0
 
Oct. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 22.9 μg/m3 (74) 74.0
 
Oct. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.7 μg/m3 (72) 72.0
 
Oct. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 16.9 μg/m3 (62) 62.0
 
Oct. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.5 μg/m3 (52) 52.0
 
Oct. 19, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.4 μg/m3 (52) 52.0
 
Oct. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.2 μg/m3 (56) 56.0
 
Oct. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
Oct. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Oct. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Oct. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 12.6 μg/m3 (53) 53.0
 
Oct. 18, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.2 μg/m3 (66) 66.0
 
Oct. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.9 μg/m3 (42) 42.0
 
Oct. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.3 μg/m3 (31) 31.0