AQSQID: 300290049

Site Name: Flathead Valley

Location: Columbia Falls, MT

Reporting: True, Located: True

Current AQI: 9.0

Columbia Falls MT, US: 48.363694, -114.189272

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.7 μg/m3 (7) 9.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
July 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 1.7 μg/m3 (7) 27.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.9 μg/m3 (12) 16.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 0.7 μg/m3 (3) 20.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 12.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 0.5 μg/m3 (2) 15.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 0.7 μg/m3 (3) 19.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 2.9 μg/m3 (12) 12.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 6.4 μg/m3 (27) 27.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.8 μg/m3 (41) 41.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 9.1 μg/m3 (38) 38.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.6 μg/m3 (32) 32.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.4 μg/m3 (31) 31.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 7.6 μg/m3 (32) 32.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 7.4 μg/m3 (31) 31.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.6 μg/m3 (23) 23.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 4.6 μg/m3 (19) 19.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 3.1 μg/m3 (13) 16.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.9 μg/m3 (12) 12.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 0.6 μg/m3 (2) 23.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) -0.5 μg/m3 (0) 9.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) -2.4 μg/m3 (0) 23.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -1.2 μg/m3 (0) 5.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 0.6 μg/m3 (2) 12.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.3 μg/m3 (10) 12.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.1 μg/m3 (9) 13.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) -1.0 μg/m3 (0) 12.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) -1.2 μg/m3 (0) 11.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.6 μg/m3 (2) 10.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.4 μg/m3 (6) 6.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 5.3 μg/m3 (22) 22.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 8.1 μg/m3 (34) 34.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 14.3 μg/m3 (55) 55.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.1 μg/m3 (13) 13.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.7 μg/m3 (3) 6.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 0.7 μg/m3 (3) 8.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.4 μg/m3 (10) 13.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.6 μg/m3 (19) 19.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
July 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 9.8 μg/m3 (41) 41.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 10.1 μg/m3 (42) 42.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 7.9 μg/m3 (33) 33.0
 
July 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 2.6 μg/m3 (11) 21.0
 
July 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) -0.2 μg/m3 (0) 9.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) -4.1 μg/m3 (0) 18.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -2.9 μg/m3 (0) 3.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
July 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) -2.4 μg/m3 (0) 6.0
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.9 μg/m3 (8) 8.0
 
July 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.1 μg/m3 (13) 13.0
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.9 μg/m3 (4) 6.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.4 μg/m3 (18) 18.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.4 μg/m3 (27) 27.0
 
July 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.2 μg/m3 (13) 13.0
 
July 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.1 μg/m3 (13) 13.0
 
July 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.9 μg/m3 (29) 29.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.6 μg/m3 (23) 23.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.1 μg/m3 (13) 13.0
 
July 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.4 μg/m3 (14) 14.0
 
July 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 4.4 μg/m3 (18) 18.0
 
July 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 4.4 μg/m3 (18) 25.0
 
July 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.1 μg/m3 (25) 25.0
 
July 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
July 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 4.4 μg/m3 (18) 21.0
 
July 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.1 μg/m3 (25) 25.0
 
July 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.6 μg/m3 (23) 23.0
 
July 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 0.7 μg/m3 (3) 16.0
 
July 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) -2.9 μg/m3 (0) 20.0
 
July 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -1.9 μg/m3 (0) 3.0
 
July 13, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) -1.0 μg/m3 (0) 17.0
 
July 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -0.2 μg/m3 (0) 3.0
 
July 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 0.5 μg/m3 (2) 8.0
 
July 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) -0.2 μg/m3 (0) 15.0
 
July 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) -0.4 μg/m3 (0) 10.0
 
July 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 0.3 μg/m3 (1) 11.0
 
July 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 1.7 μg/m3 (7) 12.0
 
July 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.1 μg/m3 (21) 21.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 8.3 μg/m3 (35) 42.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 10.3 μg/m3 (43) 43.0
 
July 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
July 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 3.1 μg/m3 (13) 17.0
 
July 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.6 μg/m3 (19) 19.0
 
July 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.9 μg/m3 (16) 16.0
 
July 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 4.6 μg/m3 (19) 19.0
 
July 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.6 μg/m3 (11) 11.0
 
July 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) -1.4 μg/m3 (0) 8.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 1.9 μg/m3 (8) 12.0
 
July 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.9 μg/m3 (20) 20.0
 
July 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 2.1 μg/m3 (9) 26.0
 
July 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.7 μg/m3 (3) 5.0
 
July 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.7 μg/m3 (3) 4.0
 
July 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 0.7 μg/m3 (3) 11.0
 
July 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) -1.0 μg/m3 (0) 22.0
 
July 12, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) -2.6 μg/m3 (0) 1.0
 
July 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 0.2 μg/m3 (1) 17.0
 
July 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 4.6 μg/m3 (19) 19.0
 
July 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.9 μg/m3 (29) 29.0
 
July 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
July 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
July 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 20.0
 
July 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.4 μg/m3 (14) 14.0
 
July 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.6 μg/m3 (23) 23.0
 
July 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.6 μg/m3 (32) 32.0
 
July 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 7.6 μg/m3 (32) 32.0
 
July 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 7.9 μg/m3 (33) 33.0
 
July 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 5.4 μg/m3 (23) 23.0
 
July 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 3.9 μg/m3 (16) 16.0
 
July 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.1 μg/m3 (25) 25.0
 
July 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.9 μg/m3 (20) 20.0
 
July 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 0.2 μg/m3 (1) 18.0
 
July 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) -0.2 μg/m3 (0) 10.0
 
July 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.4 μg/m3 (18) 18.0
 
July 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.1 μg/m3 (13) 13.0
 
July 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.2 μg/m3 (1) 5.0
 
July 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 0.4 μg/m3 (2) 16.0
 
July 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) -0.4 μg/m3 (0) 7.0
 
July 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) -1.4 μg/m3 (0) 7.0
 
July 11, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
July 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) -1.1 μg/m3 (0) 22.0
 
July 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) -0.5 μg/m3 (0) 19.0
 
July 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 12.7 μg/m3 (51) 51.0
 
July 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 14.2 μg/m3 (55) 55.0
 
July 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 16.1 μg/m3 (59) 59.0
 
July 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 16.9 μg/m3 (60) 60.0
 
July 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 5.9 μg/m3 (25) 25.0
 
July 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.9 μg/m3 (25) 25.0
 
July 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.4 μg/m3 (23) 23.0
 
July 10, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 8.1 μg/m3 (34) 34.0
 
July 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
July 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 5.4 μg/m3 (23) 23.0
 
July 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.6 μg/m3 (23) 23.0
 
July 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.1 μg/m3 (13) 13.0
 
July 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 3.4 μg/m3 (14) 18.0
 
July 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.4 μg/m3 (18) 18.0
 
July 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.1 μg/m3 (25) 25.0
 
July 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.4 μg/m3 (23) 23.0
 
July 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) -0.2 μg/m3 (0) 24.0
 
July 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.4 μg/m3 (2) 5.0
 
July 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 4.6 μg/m3 (19) 19.0
 
July 10, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.6 μg/m3 (23) 23.0
 
July 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.7 μg/m3 (24) 24.0
 
July 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.4 μg/m3 (27) 27.0
 
July 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.6 μg/m3 (23) 23.0
 
July 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.6 μg/m3 (28) 28.0
 
July 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 7.9 μg/m3 (33) 33.0
 
July 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.1 μg/m3 (25) 25.0
 
July 9, 2019, 5 p.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
 
July 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 7.6 μg/m3 (32) 32.0
 
July 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 6.4 μg/m3 (27) 27.0
 
July 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.4 μg/m3 (18) 18.0
 
July 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.2 μg/m3 (13) 13.0
 
July 9, 2019, noon 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
 
July 9, 2019, 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
 
July 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
July 9, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (20) 20.0
 
July 9, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.4 μg/m3 (14) 14.0
 
July 9, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.9 μg/m3 (12) 12.0
 
July 9, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.2 μg/m3 (9) 11.0
 
July 9, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.9 μg/m3 (12) 12.0
 
July 9, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 2.9 μg/m3 (12) 19.0