ID: 2432

AQSQID: 300630038

Site Name: Seeley Elementary School

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

Updated: Jan. 25, 2021, 3:31 a.m.

Location: Seeley Lake (School Lane), MT

Reporting: True, Located: True

Current AQI: 155.0

Seeley Lake (School Lane) MT, US: 47.17563, -113.476182

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 62.1 μg/m3 (155) 155.0
 
Jan. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.6 μg/m3 (78) 78.0
 
Jan. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
Jan. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
Jan. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (46) 46.0
 
Jan. 24, 2021, 7 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
 
Jan. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
Jan. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.3 μg/m3 (135) 135.0
 
Jan. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
Jan. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 65.5 μg/m3 (157) 157.0
 
Jan. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.8 μg/m3 (102) 102.0
 
Jan. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.4 μg/m3 (96) 96.0
 
Jan. 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
Jan. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.3 μg/m3 (108) 108.0
 
Jan. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.6 μg/m3 (97) 97.0
 
Jan. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.5 μg/m3 (114) 114.0
 
Jan. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.8 μg/m3 (89) 89.0
 
Jan. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 83.8 μg/m3 (166) 166.0
 
Jan. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 87.2 μg/m3 (168) 168.0
 
Jan. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.2 μg/m3 (125) 125.0
 
Jan. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (74) 74.0
 
Jan. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.3 μg/m3 (152) 152.0
 
Jan. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.9 μg/m3 (127) 127.0
 
Jan. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.4 μg/m3 (69) 69.0
 
Jan. 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
Jan. 23, 2021, 11 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
 
Jan. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (66) 66.0
 
Jan. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.2 μg/m3 (60) 60.0
 
Jan. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (59) 59.0
 
Jan. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.4 μg/m3 (96) 96.0
 
Jan. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
Jan. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.4 μg/m3 (75) 75.0
 
Jan. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (66) 66.0
 
Jan. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
Jan. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.2 μg/m3 (0) 0.0
Jan. 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
Jan. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (59) 59.0
 
Jan. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (52) 52.0
 
Jan. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.8 μg/m3 (152) 152.0
 
Jan. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (48) 48.0
 
Jan. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
Jan. 23, 2021, 3 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
 
Jan. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.8 μg/m3 (82) 82.0
 
Jan. 23, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
Jan. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (16) 16.0
 
Jan. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (58) 58.0
 
Jan. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (56) 56.0
 
Jan. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (76) 76.0
 
Jan. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
Jan. 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (16) 16.0
 
Jan. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Jan. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
Jan. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
Jan. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
Jan. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
Jan. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
Jan. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
Jan. 21, 2021, 9 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
 
Jan. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
Jan. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.9 μg/m3 (76) 76.0
 
Jan. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
Jan. 21, 2021, 4 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
 
Jan. 21, 2021, 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
 
Jan. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.9 μg/m3 (78) 78.0
 
Jan. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
Jan. 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
Jan. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 21, 2021, 8 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
 
Jan. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.4 μg/m3 (131) 131.0
 
Jan. 21, 2021, 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 (53) 53.0
 
Jan. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (61) 61.0
 
Jan. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (48) 48.0
 
Jan. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.4 μg/m3 (69) 69.0
 
Jan. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (52) 52.0
 
Jan. 21, 2021, 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
 
Jan. 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
Jan. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Jan. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
Jan. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Jan. 20, 2021, 7 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
 
Jan. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (65) 65.0
 
Jan. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
Jan. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
Jan. 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
Jan. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (13) 13.0
 
Jan. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
Jan. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
Jan. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
Jan. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
Jan. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 20, 2021, 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
 
Jan. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (66) 66.0
 
Jan. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.8 μg/m3 (110) 110.0
 
Jan. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.8 μg/m3 (119) 119.0
 
Jan. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 55.6 μg/m3 (152) 152.0
 
Jan. 20, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
Jan. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
Jan. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
Jan. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (59) 59.0
 
Jan. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (81) 81.0
 
Jan. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.5 μg/m3 (63) 63.0
 
Jan. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.5 μg/m3 (63) 63.0
 
Jan. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.1 μg/m3 (83) 83.0
 
Jan. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
Jan. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 19, 2021, 1 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
 
Jan. 19, 2021, 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
 
Jan. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.8 μg/m3 (89) 89.0
 
Jan. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.1 μg/m3 (73) 73.0
 
Jan. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (75) 75.0
 
Jan. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Jan. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (65) 65.0
 
Jan. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (61) 61.0
 
Jan. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (46) 46.0
 
Jan. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 19, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 18, 2021, 11 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
 
Jan. 18, 2021, 10 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
 
Jan. 18, 2021, 9 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
 
Jan. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
Jan. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (27) 27.0
 
Jan. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (50) 50.0
 
Jan. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (54) 54.0
 
Jan. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
Jan. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (71) 71.0
 
Jan. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (71) 71.0
 
Jan. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
Jan. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (57) 57.0
 
Jan. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
Jan. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (67) 67.0
 
Jan. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.1 μg/m3 (77) 77.0
 
Jan. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
Jan. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0