ID: 1456

AQSQID: 300530018

Site Name: Libby Courthouse

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

Updated: June 18, 2021, 5:51 a.m.

Location: Libby (Minnesota Ave), MT

Reporting: True, Located: True

Current AQI: 8.0

Libby (Minnesota Ave) MT, US: 48.3841, -115.548

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) -1.2 μg/m3 (0) 8.0
 
June 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) -2.3 μg/m3 (0) 10.0
 
June 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 4.1 μg/m3 (18) 18.0
 
June 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 2.4 μg/m3 (10) 20.0
 
June 18, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
June 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
June 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 0.8 μg/m3 (4) 7.0
 
June 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 1.3 μg/m3 (6) 11.0
 
June 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.5 μg/m3 (15) 15.0
 
June 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) -2.4 μg/m3 (0) 8.0
 
June 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.1 μg/m3 (18) 18.0
 
June 17, 2021, 5 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
 
June 17, 2021, 4 p.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 (0) 3.0
 
June 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.6 μg/m3 (0) 5.0
 
June 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 16.9 μg/m3 (62) 62.0
 
June 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 8.5 μg/m3 (36) 36.0
 
June 17, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 2.4 μg/m3 (10) 10.0
 
June 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 2.7 μg/m3 (12) 12.0
 
June 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 6.5 μg/m3 (28) 28.0
 
June 17, 2021, 9 a.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
 
June 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 14.5 μg/m3 (57) 57.0
 
June 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
June 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 3.6 μg/m3 (16) 16.0
 
June 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 4.6 μg/m3 (20) 20.0
 
June 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 2.1 μg/m3 (9) 9.0
 
June 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) -2.3 μg/m3 (0) 12.0
 
June 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 0.4 μg/m3 (2) 10.0
 
June 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.1 μg/m3 (13) 13.0
 
June 17, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) N/A 1.0
 
June 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -4.0 μg/m3 (0) N/A 0.0
June 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) -2.0 μg/m3 (0) 7.0
 
June 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 0.2 μg/m3 (1) 1.0
 
June 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.8 μg/m3 (4) 4.0
 
June 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 3.8 μg/m3 (16) 20.0
 
June 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
June 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 3.3 μg/m3 (14) 14.0
 
June 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 0.3 μg/m3 (2) 8.0
 
June 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 4.2 μg/m3 (18) 18.0
 
June 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 7.3 μg/m3 (31) 31.0
 
June 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
June 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 12.9 μg/m3 (53) 53.0
 
June 16, 2021, 11 a.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 (0) 5.0
 
June 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 8.1 μg/m3 (34) 34.0
 
June 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 0.0 μg/m3 (0) 24.0
 
June 16, 2021, 8 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
 
June 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 16.0 μg/m3 (60) 60.0
 
June 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 8.8 μg/m3 (37) 37.0
 
June 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 5.8 μg/m3 (25) 25.0
 
June 16, 2021, 4 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
 
June 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -0.6 μg/m3 (0) 5.0
 
June 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.7 μg/m3 (20) 20.0
 
June 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
June 16, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
June 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
June 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.6 μg/m3 (16) 16.0
 
June 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 1.8 μg/m3 (8) 13.0
 
June 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
June 15, 2021, 7 p.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
 
June 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
June 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 9.0
 
June 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.3 μg/m3 (6) 6.0
 
June 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
June 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 11.2 μg/m3 (47) 47.0
 
June 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 16.1 μg/m3 (60) 60.0
 
June 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 9.6 μg/m3 (40) 40.0
 
June 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.3 μg/m3 (14) 14.0
 
June 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 9.7 μg/m3 (41) 41.0
 
June 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 0.5 μg/m3 (3) 13.0
 
June 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
June 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
June 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 8.5 μg/m3 (36) 36.0
 
June 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.9 μg/m3 (17) 17.0
 
June 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
June 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
June 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 1.6 μg/m3 (7) 10.0
 
June 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
June 15, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) -3.8 μg/m3 (0) 15.0
 
June 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
June 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 2.3 μg/m3 (10) 10.0
 
June 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 3.1 μg/m3 (13) 13.0
 
June 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) -3.2 μg/m3 (0) 12.0
 
June 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 7.8 μg/m3 (33) 33.0
 
June 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
June 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 3.2 μg/m3 (14) 16.0
 
June 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) -4.8 μg/m3 (0) 15.0
 
June 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) -1.0 μg/m3 (0) 8.0
 
June 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 3.4 μg/m3 (15) 15.0
 
June 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 13.9 μg/m3 (55) 55.0
 
June 14, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 5.2 μg/m3 (22) 22.0
 
June 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 6.8 μg/m3 (29) 29.0
 
June 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 2.4 μg/m3 (10) 13.0
 
June 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
June 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 3.2 μg/m3 (14) 14.0
 
June 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 4.7 μg/m3 (20) 20.0
 
June 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 14.4 μg/m3 (56) 56.0
 
June 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 1.9 μg/m3 (8) 17.0
 
June 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 7.8 μg/m3 (33) 33.0
 
June 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -4.9 μg/m3 (0) 3.0
 
June 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 8.8 μg/m3 (37) 37.0
 
June 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -4.0 μg/m3 (0) -0.6 μg/m3 (0) 0.0
June 14, 2021, midnight 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
 
June 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
June 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -4.1 μg/m3 (0) 3.0
 
June 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 6.3 μg/m3 (27) 27.0
 
June 13, 2021, 8 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 (13) 13.0
 
June 13, 2021, 7 p.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
 
June 13, 2021, 6 p.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 (1) 5.0
 
June 13, 2021, 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 (15) 15.0
 
June 13, 2021, 4 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
 
June 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 10.8 μg/m3 (46) 46.0
 
June 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 7.7 μg/m3 (33) 33.0
 
June 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 6.7 μg/m3 (28) 28.0
 
June 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.6 μg/m3 (7) 7.0
 
June 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 8.1 μg/m3 (34) 34.0
 
June 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 0.4 μg/m3 (2) 8.0
 
June 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 13.0 μg/m3 (53) 53.0
 
June 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.6 μg/m3 (20) 20.0
 
June 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 8.9 μg/m3 (38) 38.0
 
June 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 1.3 μg/m3 (6) 9.0
 
June 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 7.3 μg/m3 (31) 31.0
 
June 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 5.1 μg/m3 (22) 29.0
 
June 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
June 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
June 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.1 μg/m3 (13) 13.0
 
June 13, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.1 μg/m3 (1) 1.0
 
June 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) -2.8 μg/m3 (0) 0.0
June 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 1.0
 
June 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) -1.5 μg/m3 (0) 1.0
 
June 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 3.1 μg/m3 (13) 13.0
 
June 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 7.0 μg/m3 (30) 30.0
 
June 12, 2021, 6 p.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 (5) 5.0
 
June 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 7.6 μg/m3 (32) 32.0
 
June 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 1.9 μg/m3 (8) 8.0
 
June 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.7 μg/m3 (16) 16.0
 
June 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 11.8 μg/m3 (50) 50.0
 
June 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 6.4 μg/m3 (27) 27.0
 
June 12, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 11.3 μg/m3 (48) 48.0
 
June 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) -3.1 μg/m3 (0) 7.0
 
June 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
June 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 9.9 μg/m3 (42) 42.0
 
June 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) -2.5 μg/m3 (0) 13.0
 
June 12, 2021, 7 a.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 (39) 39.0
 
June 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 5.3 μg/m3 (23) 23.0
 
June 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.3 μg/m3 (14) 14.0
 
June 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) -1.2 μg/m3 (0) 6.0
 
June 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.9 μg/m3 (21) 21.0
 
June 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 2.1 μg/m3 (9) 28.0
 
June 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.6 μg/m3 (7) 14.0
 
June 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 8.4 μg/m3 (36) 36.0
 
June 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
June 11, 2021, 10 p.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
 
June 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) -0.7 μg/m3 (0) 12.0
 
June 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.2 μg/m3 (18) 18.0
 
June 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) -0.2 μg/m3 (0) 10.0
 
June 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.3 μg/m3 (10) 10.0
 
June 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.1 μg/m3 (5) 7.0
 
June 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 7.9 μg/m3 (33) 33.0
 
June 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) -0.1 μg/m3 (0) 13.0
 
June 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 7.3 μg/m3 (31) 31.0
 
June 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.3 μg/m3 (14) 14.0
 
June 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 8.4 μg/m3 (36) 36.0
 
June 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 7.8 μg/m3 (33) 33.0
 
June 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.7 μg/m3 (12) 12.0
 
June 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
June 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 9.8 μg/m3 (41) 41.0
 
June 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A 0.0
June 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) -0.8 μg/m3 (0) 2.0
 
June 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.4 μg/m3 (36) 36.0