ID: 2826

AQSQID: 471192007

Site Name: Columbia

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

Updated: Sept. 21, 2020, 3:39 p.m.

Location: Columbia (Columbia Pediatric), TN

Reporting: True, Located: True

Current AQI: 0.0

Columbia (Columbia Pediatric) TN, US: 35.65188, -87.0096

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) N/A
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 21, 2020, 11 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. 21, 2020, 10 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. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (134) 134.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (76) 76.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 11 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. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) N/A
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 3 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. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (121) 121.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (69) 69.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 6 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. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (69) 69.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (84) 84.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2020, 8 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. 17, 2020, 7 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. 17, 2020, 6 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. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2020, 3 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. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2020, 5 p.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, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2020, 1 p.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, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2020, 11 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, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2020, 6 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, 2020, 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. 16, 2020, 3 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, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (78) 78.0
 
Sept. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 11 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. 14, 2020, 10 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. 14, 2020, 9 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. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
Sept. 14, 2020, 7 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, 2020, 6 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, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) N/A
Sept. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0