ID: 2426

AQSQID: 300290049

Site Name: Columbia Falls

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

Updated: Dec. 5, 2020, 2:41 p.m.

Location: Columbia Falls (Talbot Rd), MT

Reporting: True, Located: True

Current AQI: 6.0

Columbia Falls (Talbot Rd) MT, US: 48.363694, -114.189272

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 1.4 μg/m3 (6) 6.0
 
Dec. 5, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 2.1 μg/m3 (9) 9.0
 
Dec. 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.6 μg/m3 (20) 20.0
 
Dec. 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.6 μg/m3 (11) 11.0
 
Dec. 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.9 μg/m3 (4) 4.0
 
Dec. 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
Dec. 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.6 μg/m3 (20) 20.0
 
Dec. 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 5.1 μg/m3 (22) 22.0
 
Dec. 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 7.3 μg/m3 (31) 31.0
 
Dec. 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 8.3 μg/m3 (35) 35.0
 
Dec. 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 7.1 μg/m3 (30) 30.0
 
Dec. 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 7.9 μg/m3 (33) 33.0
 
Dec. 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 7.9 μg/m3 (33) 33.0
 
Dec. 5, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 7.6 μg/m3 (32) 32.0
 
Dec. 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
Dec. 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 5.4 μg/m3 (23) 23.0
 
Dec. 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.2 μg/m3 (18) 18.0
 
Dec. 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 3.9 μg/m3 (17) 17.0
 
Dec. 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.4 μg/m3 (19) 19.0
 
Dec. 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 6.4 μg/m3 (27) 27.0
 
Dec. 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 9.8 μg/m3 (41) 41.0
 
Dec. 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
Dec. 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 12.5 μg/m3 (52) 52.0
 
Dec. 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 11.8 μg/m3 (50) 50.0
 
Dec. 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 11.3 μg/m3 (48) 48.0
 
Dec. 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 12.2 μg/m3 (52) 52.0
 
Dec. 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 12.9 μg/m3 (53) 53.0
 
Dec. 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 14.9 μg/m3 (57) 57.0
 
Dec. 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 10.3 μg/m3 (43) 43.0
 
Dec. 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 17.4 μg/m3 (63) 63.0
 
Dec. 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 18.4 μg/m3 (65) 65.0
 
Dec. 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 14.6 μg/m3 (57) 57.0
 
Dec. 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 15.1 μg/m3 (58) 58.0
 
Dec. 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 17.7 μg/m3 (63) 63.0
 
Dec. 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 24.6 μg/m3 (78) 78.0
 
Dec. 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 26.0 μg/m3 (81) 81.0
 
Dec. 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 14.7 μg/m3 (57) 57.0
 
Dec. 4, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 9.6 μg/m3 (40) 40.0
 
Dec. 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 4.9 μg/m3 (21) 21.0
 
Dec. 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 3.7 μg/m3 (16) 16.0
 
Dec. 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 5.4 μg/m3 (23) 23.0
 
Dec. 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.4 μg/m3 (19) 19.0
 
Dec. 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.7 μg/m3 (8) 8.0
 
Dec. 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.2 μg/m3 (14) 14.0
 
Dec. 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.4 μg/m3 (19) 19.0
 
Dec. 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.2 μg/m3 (18) 18.0
 
Dec. 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.7 μg/m3 (20) 20.0
 
Dec. 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 6.2 μg/m3 (26) 26.0
 
Dec. 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.2 μg/m3 (22) 22.0
 
Dec. 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.9 μg/m3 (4) 4.0
 
Dec. 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.7 μg/m3 (12) 12.0
 
Dec. 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 5.7 μg/m3 (24) 24.0
 
Dec. 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 3.2 μg/m3 (14) 14.0
 
Dec. 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 3.2 μg/m3 (14) 14.0
 
Dec. 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 5.6 μg/m3 (24) 24.0
 
Dec. 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.7 μg/m3 (24) 24.0
 
Dec. 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 6.6 μg/m3 (28) 28.0
 
Dec. 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 7.6 μg/m3 (32) 32.0
 
Dec. 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 20.6 μg/m3 (69) 69.0
 
Dec. 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 14.4 μg/m3 (56) 56.0
 
Dec. 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 14.9 μg/m3 (57) 57.0
 
Dec. 3, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.2 μg/m3 (26) 26.0
 
Dec. 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 5.4 μg/m3 (23) 23.0
 
Dec. 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.9 μg/m3 (21) 21.0
 
Dec. 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.7 μg/m3 (12) 12.0
 
Dec. 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.5 μg/m3 (7) 7.0
 
Dec. 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Dec. 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.2 μg/m3 (14) 14.0
 
Dec. 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
Dec. 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 7.9 μg/m3 (33) 33.0
 
Dec. 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 17.7 μg/m3 (63) 63.0
 
Dec. 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 15.7 μg/m3 (59) 59.0
 
Dec. 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 14.2 μg/m3 (56) 56.0
 
Dec. 2, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 8.9 μg/m3 (38) 38.0
 
Dec. 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 11.7 μg/m3 (49) 49.0
 
Dec. 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 12.9 μg/m3 (53) 53.0
 
Dec. 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 12.4 μg/m3 (52) 52.0
 
Dec. 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 15.9 μg/m3 (59) 59.0
 
Dec. 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 25.7 μg/m3 (80) 80.0
 
Dec. 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 19.9 μg/m3 (68) 68.0
 
Dec. 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 23.9 μg/m3 (76) 76.0
 
Dec. 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 31.3 μg/m3 (92) 92.0
 
Dec. 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 25.0 μg/m3 (79) 79.0
 
Dec. 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 32.3 μg/m3 (94) 94.0
 
Dec. 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 8.9 μg/m3 (38) 38.0
 
Dec. 2, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 6.6 μg/m3 (28) 28.0
 
Dec. 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.9 μg/m3 (17) 17.0
 
Dec. 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 4.9 μg/m3 (21) 21.0
 
Dec. 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.4 μg/m3 (19) 19.0
 
Dec. 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.7 μg/m3 (8) 8.0
 
Dec. 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 6.4 μg/m3 (27) 27.0
 
Dec. 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 10.6 μg/m3 (45) 45.0
 
Dec. 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 20.1 μg/m3 (68) 68.0
 
Dec. 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 15.4 μg/m3 (58) 58.0
 
Dec. 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 15.1 μg/m3 (58) 58.0
 
Dec. 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 16.7 μg/m3 (61) 61.0
 
Dec. 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 9.1 μg/m3 (38) 38.0
 
Dec. 1, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 10.6 μg/m3 (45) 45.0
 
Dec. 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
Dec. 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 18.9 μg/m3 (66) 66.0
 
Dec. 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 11.6 μg/m3 (49) 49.0
 
Dec. 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 9.3 μg/m3 (39) 39.0
 
Dec. 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 9.1 μg/m3 (38) 38.0
 
Dec. 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 9.4 μg/m3 (40) 40.0
 
Dec. 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 11.3 μg/m3 (48) 48.0
 
Dec. 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 11.1 μg/m3 (47) 47.0
 
Dec. 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
Dec. 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 5.9 μg/m3 (25) 25.0
 
Dec. 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 5.9 μg/m3 (25) 25.0
 
Dec. 1, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 5.1 μg/m3 (22) 22.0
 
Nov. 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 8.9 μg/m3 (38) 38.0
 
Nov. 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
Nov. 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 17.7 μg/m3 (63) 63.0
 
Nov. 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 15.1 μg/m3 (58) 58.0
 
Nov. 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 13.4 μg/m3 (54) 54.0
 
Nov. 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 17.2 μg/m3 (62) 62.0
 
Nov. 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 15.7 μg/m3 (59) 59.0
 
Nov. 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 16.6 μg/m3 (61) 61.0
 
Nov. 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 25.3 μg/m3 (79) 79.0
 
Nov. 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 23.9 μg/m3 (76) 76.0
 
Nov. 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 22.4 μg/m3 (73) 73.0
 
Nov. 30, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 24.1 μg/m3 (77) 77.0
 
Nov. 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 20.1 μg/m3 (68) 68.0
 
Nov. 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 27.2 μg/m3 (83) 83.0
 
Nov. 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 31.3 μg/m3 (92) 92.0
 
Nov. 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 27.4 μg/m3 (84) 84.0
 
Nov. 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 27.9 μg/m3 (85) 85.0
 
Nov. 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 26.2 μg/m3 (81) 81.0
 
Nov. 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 25.0 μg/m3 (79) 79.0
 
Nov. 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 32.3 μg/m3 (94) 94.0
 
Nov. 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 32.6 μg/m3 (95) 95.0
 
Nov. 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (57) 56.4 μg/m3 (152) 152.0
 
Nov. 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 87.3 μg/m3 (168) 168.0
 
Nov. 30, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 29.6 μg/m3 (88) 88.0
 
Nov. 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 7.1 μg/m3 (30) 30.0
 
Nov. 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 6.2 μg/m3 (26) 26.0
 
Nov. 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.9 μg/m3 (21) 21.0
 
Nov. 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 7.9 μg/m3 (33) 33.0
 
Nov. 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
Nov. 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 6.9 μg/m3 (29) 29.0
 
Nov. 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 8.9 μg/m3 (38) 38.0
 
Nov. 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
Nov. 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 15.4 μg/m3 (58) 58.0
 
Nov. 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 12.7 μg/m3 (53) 53.0
 
Nov. 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 11.8 μg/m3 (50) 50.0
 
Nov. 29, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 19.2 μg/m3 (66) 66.0
 
Nov. 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 18.9 μg/m3 (66) 66.0
 
Nov. 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 13.9 μg/m3 (55) 55.0
 
Nov. 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 16.4 μg/m3 (61) 61.0
 
Nov. 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 18.1 μg/m3 (64) 64.0
 
Nov. 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 27.2 μg/m3 (83) 83.0
 
Nov. 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 23.9 μg/m3 (76) 76.0
 
Nov. 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 31.3 μg/m3 (92) 92.0
 
Nov. 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 14.6 μg/m3 (57) 57.0
 
Nov. 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.9 μg/m3 (25) 25.0
 
Nov. 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.4 μg/m3 (19) 19.0
 
Nov. 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.7 μg/m3 (16) 16.0
 
Nov. 29, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.4 μg/m3 (19) 19.0
 
Nov. 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.7 μg/m3 (12) 12.0
 
Nov. 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.7 μg/m3 (8) 8.0
 
Nov. 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 5.9 μg/m3 (25) 25.0
 
Nov. 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 7.2 μg/m3 (31) 31.0
 
Nov. 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
Nov. 28, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 6.7 μg/m3 (28) 28.0
 
Nov. 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 4.4 μg/m3 (19) 19.0
 
Nov. 28, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 7.4 μg/m3 (31) 31.0
 
Nov. 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.2 μg/m3 (14) 14.0
 
Nov. 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -1.6 μg/m3 (0) 4.0