ID: 2431

AQSQID: 300630037

Site Name: French Town - Beckwith

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

Updated: Sept. 22, 2020, 10:39 a.m.

Location: Frenchtown (Beckwith St), MT

Reporting: True, Located: True

Current AQI: 32.0

Frenchtown (Beckwith St) MT, US: 47.012907, -114.224273

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 75.7 μg/m3 (161) 161.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (160) 160.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 79.9 μg/m3 (163) 163.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 81.9 μg/m3 (164) 164.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (161) 161.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 74.8 μg/m3 (160) 160.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 85.9 μg/m3 (166) 166.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 82.3 μg/m3 (164) 164.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 85.5 μg/m3 (166) 166.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 91.8 μg/m3 (169) 169.0
 
Sept. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 81.7 μg/m3 (164) 164.0
 
Sept. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 81.7 μg/m3 (164) 164.0
 
Sept. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 79.2 μg/m3 (162) 162.0
 
Sept. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 75.7 μg/m3 (161) 161.0
 
Sept. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 83.2 μg/m3 (165) 165.0
 
Sept. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 89.5 μg/m3 (168) 168.0
 
Sept. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 87.6 μg/m3 (167) 167.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 88.1 μg/m3 (167) 167.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 80.5 μg/m3 (163) 163.0
 
Sept. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 76.8 μg/m3 (161) 161.0
 
Sept. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.5 μg/m3 (157) 157.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (155) 155.0
 
Sept. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 71.8 μg/m3 (159) 159.0
 
Sept. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (159) 159.0
 
Sept. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 74.9 μg/m3 (160) 160.0
 
Sept. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 74.6 μg/m3 (160) 160.0
 
Sept. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 77.6 μg/m3 (162) 162.0
 
Sept. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 72.6 μg/m3 (159) 159.0
 
Sept. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 64.3 μg/m3 (155) 155.0
 
Sept. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 66.9 μg/m3 (156) 156.0
 
Sept. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.9 μg/m3 (152) 152.0
 
Sept. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.5 μg/m3 (152) 152.0
 
Sept. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.4 μg/m3 (150) 150.0
 
Sept. 14, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 57.3 μg/m3 (151) 151.0
 
Sept. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.9 μg/m3 (126) 126.0
 
Sept. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.4 μg/m3 (102) 102.0
 
Sept. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.1 μg/m3 (106) 106.0
 
Sept. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.4 μg/m3 (89) 89.0
 
Sept. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.9 μg/m3 (104) 104.0
 
Sept. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.1 μg/m3 (106) 106.0
 
Sept. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.9 μg/m3 (97) 97.0
 
Sept. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.7 μg/m3 (77) 77.0
 
Sept. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (72) 72.0
 
Sept. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 13, 2020, 1 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. 13, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.5 μg/m3 (68) 68.0
 
Sept. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (70) 70.0
 
Sept. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.8 μg/m3 (75) 75.0
 
Sept. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (64) 64.0
 
Sept. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (66) 66.0
 
Sept. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (79) 79.0
 
Sept. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.5 μg/m3 (68) 68.0
 
Sept. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (63) 63.0
 
Sept. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.7 μg/m3 (77) 77.0
 
Sept. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.3 μg/m3 (91) 91.0
 
Sept. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.5 μg/m3 (72) 72.0
 
Sept. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.1 μg/m3 (82) 82.0
 
Sept. 13, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.3 μg/m3 (91) 91.0
 
Sept. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.4 μg/m3 (74) 74.0
 
Sept. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (67) 67.0
 
Sept. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (66) 66.0
 
Sept. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (70) 70.0
 
Sept. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (62) 62.0
 
Sept. 12, 2020, 5 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. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (70) 70.0
 
Sept. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (61) 61.0
 
Sept. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 12, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (53) 53.0
 
Sept. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.8 μg/m3 (52) 52.0
 
Sept. 12, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.1 μg/m3 (61) 61.0
 
Sept. 12, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (58) 58.0
 
Sept. 12, 2020, 6 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. 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 12, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (60) 60.0
 
Sept. 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (85) 85.0
 
Sept. 12, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 12, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (66) 66.0
 
Sept. 12, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 11, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 11, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 11, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 11, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 11, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
Sept. 11, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (59) 59.0
 
Sept. 11, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 11, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 11, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 11, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 11, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 11, 2020, noon 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. 11, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 11, 2020, 9 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. 11, 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. 11, 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. 11, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
Sept. 11, 2020, 5 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. 11, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (55) 55.0
 
Sept. 11, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 11, 2020, 2 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
 
Sept. 11, 2020, 1 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
 
Sept. 11, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 10, 2020, 11 p.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. 10, 2020, 10 p.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. 10, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 10, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
Sept. 10, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (69) 69.0
 
Sept. 10, 2020, 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
Sept. 10, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 10, 2020, 4 p.m. 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
 
Sept. 10, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 10, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 10, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
Sept. 10, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 10, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 10, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 10, 2020, 9 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. 10, 2020, 8 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. 10, 2020, 7 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
 
Sept. 10, 2020, 6 a.m. 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
 
Sept. 10, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
Sept. 10, 2020, 4 a.m. 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
 
Sept. 10, 2020, 3 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
 
Sept. 10, 2020, 2 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. 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 10, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 9, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
Sept. 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
Sept. 9, 2020, 8 p.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
 
Sept. 9, 2020, 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 (30) 30.0
 
Sept. 9, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
Sept. 9, 2020, 5 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
 
Sept. 9, 2020, 4 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
 
Sept. 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
Sept. 9, 2020, 2 p.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. 9, 2020, 1 p.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
 
Sept. 9, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
Sept. 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 9, 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. 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 9, 2020, 6 a.m. 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
 
Sept. 9, 2020, 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 (0) N/A
Sept. 9, 2020, 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 (0) N/A
Sept. 9, 2020, 3 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
 
Sept. 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 9, 2020, 1 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
 
Sept. 9, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.4 μg/m3 (0) N/A
Sept. 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
Sept. 8, 2020, 8 p.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
 
Sept. 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 8, 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. 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 8, 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. 8, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
Sept. 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (27) 27.0