ID: 2426

AQSQID: 300290049

Site Name: Columbia Falls

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

Updated: July 9, 2020, 4:34 a.m.

Location: Columbia Falls (Talbot Rd), MT

Reporting: True, Located: True

Current AQI: 5.0

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
July 9, 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) -1.2 μg/m3 (0) 5.0
 
July 9, 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) -0.1 μg/m3 (0) 5.0
 
July 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.5 μg/m3 (10) 10.0
 
July 9, 2020, midnight 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
 
July 8, 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) 4.8 μg/m3 (20) 20.0
 
July 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.5 μg/m3 (10) 10.0
 
July 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.8 μg/m3 (16) 16.0
 
July 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
July 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.5 μg/m3 (15) 15.0
 
July 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.5 μg/m3 (6) 7.0
 
July 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 1.3 μg/m3 (5) 15.0
 
July 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 10.0
 
July 8, 2020, 3 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 8, 2020, 2 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 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
July 8, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.9 μg/m3 (8) 9.0
 
July 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.5 μg/m3 (10) 10.0
 
July 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.5 μg/m3 (6) 8.0
 
July 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
July 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 15.0
 
July 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -0.8 μg/m3 (0) 5.0
 
July 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -0.2 μg/m3 (0) 5.0
 
July 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
July 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.3 μg/m3 (1) 6.0
 
July 8, 2020, 3 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 (8) 8.0
 
July 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.7 μg/m3 (7) 7.0
 
July 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.3 μg/m3 (5) 8.0
 
July 8, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.7 μg/m3 (20) 20.0
 
July 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.5 μg/m3 (19) 19.0
 
July 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.3 μg/m3 (10) 10.0
 
July 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
July 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.5 μg/m3 (19) 19.0
 
July 7, 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) 3.0 μg/m3 (12) 12.0
 
July 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.5 μg/m3 (15) 15.0
 
July 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
July 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 4.5 μg/m3 (19) 19.0
 
July 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.5 μg/m3 (15) 15.0
 
July 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
July 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.5 μg/m3 (19) 19.0
 
July 7, 2020, noon 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 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
July 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
July 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.2 μg/m3 (22) 22.0
 
July 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 4.8 μg/m3 (20) 24.0
 
July 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
July 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 6.2 μg/m3 (26) 28.0
 
July 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 4.5 μg/m3 (19) 21.0
 
July 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 3.5 μg/m3 (15) 15.0
 
July 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
July 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.7 μg/m3 (20) 20.0
 
July 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.5 μg/m3 (23) 23.0
 
July 7, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 11.0
 
July 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.3 μg/m3 (5) 15.0
 
July 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 1.5 μg/m3 (6) 16.0
 
July 6, 2020, 9 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 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.5 μg/m3 (19) 19.0
 
July 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 7.5 μg/m3 (31) 31.0
 
July 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 9.7 μg/m3 (40) 40.0
 
July 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 11.3 μg/m3 (47) 47.0
 
July 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 11.1 μg/m3 (46) 46.0
 
July 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 8.9 μg/m3 (37) 37.0
 
July 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.7 μg/m3 (20) 20.0
 
July 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.8 μg/m3 (8) 9.0
 
July 6, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.7 μg/m3 (15) 15.0
 
July 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.7 μg/m3 (24) 24.0
 
July 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 5.2 μg/m3 (22) 22.0
 
July 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.4 μg/m3 (6) 6.0
 
July 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.3 μg/m3 (10) 10.0
 
July 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.5 μg/m3 (10) 10.0
 
July 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 0.3 μg/m3 (1) 9.0
 
July 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
July 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
July 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
July 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
July 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.8 μg/m3 (3) 6.0
 
July 6, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.8 μg/m3 (12) 12.0
 
July 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -4.0 μg/m3 (0) 5.0 μg/m3 (21) 21.0
 
July 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
July 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 8.5 μg/m3 (35) 35.0
 
July 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.5 μg/m3 (31) 31.0
 
July 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.3 μg/m3 (22) 22.0
 
July 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.5 μg/m3 (31) 31.0
 
July 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 10.7 μg/m3 (45) 45.0
 
July 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 9.9 μg/m3 (41) 41.0
 
July 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
July 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.5 μg/m3 (15) 20.0
 
July 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 8.1 μg/m3 (34) 34.0
 
July 5, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 12.2 μg/m3 (50) 50.0
 
July 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 11.7 μg/m3 (49) 49.0
 
July 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
July 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 22.4 μg/m3 (72) 72.0
 
July 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 37.4 μg/m3 (105) 105.0
 
July 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 46.5 μg/m3 (128) 128.0
 
July 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 27.7 μg/m3 (83) 83.0
 
July 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 109.0 μg/m3 (77) 83.8 μg/m3 (165) 165.0
 
July 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 14.5 μg/m3 (55) 55.0
 
July 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 4.5 μg/m3 (19) 19.0
 
July 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
July 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
July 5, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
July 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
July 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 9.2 μg/m3 (38) 38.0
 
July 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.2 μg/m3 (34) 34.0
 
July 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.7 μg/m3 (20) 20.0
 
July 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 (8) 3.0 μg/m3 (12) 12.0
 
July 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 9.4 μg/m3 (39) 39.0
 
July 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 9.9 μg/m3 (41) 41.0
 
July 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 10.7 μg/m3 (45) 45.0
 
July 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 16.5 μg/m3 (60) 60.0
 
July 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.7 μg/m3 (24) 24.0
 
July 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.4 μg/m3 (18) 18.0
 
July 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.6 μg/m3 (19) 19.0
 
July 4, 2020, 10 a.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 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
July 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 10.3 μg/m3 (43) 43.0
 
July 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 22.2 μg/m3 (72) 72.0
 
July 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 11.8 μg/m3 (49) 49.0
 
July 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 11.8 μg/m3 (49) 49.0
 
July 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 7.5 μg/m3 (31) 31.0
 
July 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
July 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
July 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
July 4, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.8 μg/m3 (3) 5.0
 
July 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) -0.1 μg/m3 (0) 2.0
 
July 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.3 μg/m3 (1) 6.0
 
July 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.3 μg/m3 (10) 11.0
 
July 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
July 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.5 μg/m3 (15) 15.0
 
July 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 7.2 μg/m3 (30) 30.0
 
July 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
July 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 14.5 μg/m3 (55) 55.0
 
July 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.5 μg/m3 (19) 19.0
 
July 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.5 μg/m3 (15) 15.0
 
July 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.4 μg/m3 (14) 14.0
 
July 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.1 μg/m3 (13) 13.0
 
July 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.4 μg/m3 (14) 14.0
 
July 3, 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) 3.6 μg/m3 (15) 15.0
 
July 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.9 μg/m3 (16) 16.0
 
July 3, 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) 3.9 μg/m3 (16) 16.0
 
July 3, 2020, 7 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 (5) 5.0
 
July 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.8 μg/m3 (8) 8.0
 
July 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
July 3, 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) 4.2 μg/m3 (18) 18.0
 
July 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.7 μg/m3 (20) 20.0
 
July 3, 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) 3.5 μg/m3 (15) 15.0
 
July 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.3 μg/m3 (1) 5.0
 
July 3, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.5 μg/m3 (6) 6.0
 
July 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.5 μg/m3 (23) 23.0
 
July 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
July 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) 3.5 μg/m3 (15) 15.0
 
July 2, 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) -0.4 μg/m3 (0) 4.0
 
July 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -3.0 μg/m3 (0) 3.0
 
July 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) -2.6 μg/m3 (0) N/A
July 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) -2.4 μg/m3 (0) N/A
July 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -1.1 μg/m3 (0) 5.0
 
July 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -0.4 μg/m3 (0) 5.0
 
July 2, 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) 0.0 μg/m3 (0) 4.0
 
July 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.4 μg/m3 (6) 9.0
 
July 2, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.7 μg/m3 (7) 7.0
 
July 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.3 μg/m3 (10) 10.0
 
July 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.2 μg/m3 (5) 5.0
 
July 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) -1.6 μg/m3 (0) 1.0
 
July 2, 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) 0.0 μg/m3 (0) 3.0
 
July 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.5 μg/m3 (2) 4.0
 
July 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0 μg/m3 (0) N/A
July 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 1.3 μg/m3 (5) 5.0
 
July 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.2 μg/m3 (0) 5.0