ID: 1456

AQSQID: 300530018

Site Name: Libby Courthouse

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

Updated: July 5, 2020, 11:34 p.m.

Location: Libby (Minnesota Ave), MT

Reporting: True, Located: True

Current AQI: 4.0

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
July 5, 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 (0) 4.0
 
July 5, 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) 0.4 μg/m3 (2) 4.0
 
July 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 4.3 μg/m3 (18) 18.0
 
July 5, 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) 1.9 μg/m3 (8) 8.0
 
July 5, 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) 4.1 μg/m3 (17) 17.0
 
July 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.6 μg/m3 (23) 23.0
 
July 5, 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) 16.5 μg/m3 (60) 60.0
 
July 5, 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) 23.7 μg/m3 (75) 75.0
 
July 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 12.1 μg/m3 (50) 50.0
 
July 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 15.1 μg/m3 (57) 57.0
 
July 5, 2020, noon 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 (57) 57.0
 
July 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 23.8 μg/m3 (75) 75.0
 
July 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 31.6 μg/m3 (92) 92.0
 
July 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 37.6 μg/m3 (105) 105.0
 
July 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 52.1 μg/m3 (142) 142.0
 
July 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 47.3 μg/m3 (130) 130.0
 
July 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 53.3 μg/m3 (144) 144.0
 
July 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 40.3 μg/m3 (112) 112.0
 
July 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 15.6 μg/m3 (58) 58.0
 
July 5, 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) -1.1 μg/m3 (0) 11.0
 
July 5, 2020, 2 a.m. 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
 
July 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.1 μg/m3 (17) 17.0
 
July 5, 2020, midnight 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 (0) 9.0
 
July 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) N/A 12.0
 
July 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.2 μg/m3 (5) 7.0
 
July 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 8.6 μg/m3 (36) 36.0
 
July 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 1.1 μg/m3 (5) 11.0
 
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) 7.8 μg/m3 (32) 32.0
 
July 4, 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) 6.7 μg/m3 (28) 28.0
 
July 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 (10) 12.4 μg/m3 (51) 51.0
 
July 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 13.7 μg/m3 (54) 54.0
 
July 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 19.2 μg/m3 (65) 65.0
 
July 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 10.3 μg/m3 (43) 43.0
 
July 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 12.7 μg/m3 (51) 51.0
 
July 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
July 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 (11) 13.7 μg/m3 (54) 54.0
 
July 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 10.9 μg/m3 (45) 45.0
 
July 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 19.8 μg/m3 (67) 67.0
 
July 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 22.2 μg/m3 (72) 72.0
 
July 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 23.7 μg/m3 (75) 75.0
 
July 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 3.6 μg/m3 (15) 21.0
 
July 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 13.3 μg/m3 (53) 53.0
 
July 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 8.2 μg/m3 (34) 34.0
 
July 4, 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) 7.3 μg/m3 (30) 30.0
 
July 4, 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) -1.1 μg/m3 (0) 9.0
 
July 4, 2020, 1 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 4, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.4 μg/m3 (2) 2.0
 
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 (0) -2.9 μg/m3 (0) N/A
July 3, 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) 0.6 μg/m3 (2) 3.0
 
July 3, 2020, 9 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 (17) 17.0
 
July 3, 2020, 8 p.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 (7) 7.0
 
July 3, 2020, 7 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
 
July 3, 2020, 6 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 (17) 17.0
 
July 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 2.9 μg/m3 (12) 12.0
 
July 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.2 μg/m3 (22) 22.0
 
July 3, 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) 18.3 μg/m3 (63) 63.0
 
July 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 7.6 μg/m3 (32) 32.0
 
July 3, 2020, 1 p.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 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.2 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 8.0 μg/m3 (7) 2.7 μg/m3 (11) 11.0
 
July 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.7 μg/m3 (11) 11.0
 
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) 8.0 μg/m3 (33) 33.0
 
July 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.1 μg/m3 (13) 13.0
 
July 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) N/A 19.0
 
July 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 3.5 μg/m3 (15) 15.0
 
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) 8.5 μg/m3 (35) 35.0
 
July 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 2.2 μg/m3 (9) 10.0
 
July 3, 2020, 3 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 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.6 μg/m3 (2) 3.0
 
July 3, 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) -0.5 μg/m3 (0) 8.0
 
July 3, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) N/A 8.0
 
July 2, 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) N/A 15.0
 
July 2, 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) -4.4 μg/m3 (0) 6.0
 
July 2, 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) -4.7 μg/m3 (0) 5.0
 
July 2, 2020, 8 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 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.3 μg/m3 (14) 14.0
 
July 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) -1.7 μg/m3 (0) 5.0
 
July 2, 2020, 5 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 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 7.1 μg/m3 (30) 30.0
 
July 2, 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) 3.1 μg/m3 (13) 13.0
 
July 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 10.3 μg/m3 (43) 43.0
 
July 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 9.7 μg/m3 (40) 40.0
 
July 2, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) -0.8 μg/m3 (0) 7.0
 
July 2, 2020, 11 a.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 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.3 μg/m3 (26) 26.0
 
July 2, 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) 5.3 μg/m3 (22) 22.0
 
July 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.7 μg/m3 (11) 11.0
 
July 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
July 2, 2020, 6 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 2, 2020, 5 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 2, 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) -0.6 μg/m3 (0) 6.0
 
July 2, 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) 2.7 μg/m3 (11) 11.0
 
July 2, 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) 0.1 μg/m3 (0) 6.0
 
July 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) -0.8 μg/m3 (0) 7.0
 
July 2, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 7.2 μg/m3 (30) 30.0
 
July 1, 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) 12.3 μg/m3 (51) 51.0
 
July 1, 2020, 10 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 (16) 16.0
 
July 1, 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) -4.6 μg/m3 (0) 3.0
 
July 1, 2020, 8 p.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 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 (5) -1.4 μg/m3 (0) 5.0
 
July 1, 2020, 6 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 (14) 14.0
 
July 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) -1.3 μg/m3 (0) N/A
July 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
July 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
July 1, 2020, 2 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 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.3 μg/m3 (14) 14.0
 
July 1, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.3 μg/m3 (5) 6.0
 
July 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.8 μg/m3 (28) 28.0
 
July 1, 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) 4.6 μg/m3 (19) 19.0
 
July 1, 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) 8.7 μg/m3 (36) 36.0
 
July 1, 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) 7.5 μg/m3 (31) 31.0
 
July 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 24.0 μg/m3 (76) 76.0
 
July 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.8 μg/m3 (28) 28.0
 
July 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 8.8 μg/m3 (37) 37.0
 
July 1, 2020, 4 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 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.5 μg/m3 (2) 5.0
 
July 1, 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) 5.5 μg/m3 (23) 23.0
 
July 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) -2.1 μg/m3 (0) 10.0
 
July 1, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 3.6 μg/m3 (15) 15.0
 
June 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 14.1 μg/m3 (54) 54.0
 
June 30, 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) 0.8 μg/m3 (3) 3.0
 
June 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 9.1 μg/m3 (38) 38.0
 
June 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.5 μg/m3 (0) 5.0
 
June 30, 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) 0.4 μg/m3 (2) 7.0
 
June 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -1.3 μg/m3 (0) 5.0
 
June 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 2.9 μg/m3 (12) 12.0
 
June 30, 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) 0.2 μg/m3 (1) 9.0
 
June 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
June 30, 2020, 2 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 (14) 14.0
 
June 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.7 μg/m3 (20) 20.0
 
June 30, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.7 μg/m3 (11) 11.0
 
June 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.8 μg/m3 (20) 20.0
 
June 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 9.3 μg/m3 (39) 39.0
 
June 30, 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) -2.8 μg/m3 (0) 4.0
 
June 30, 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) 0.7 μg/m3 (3) 3.0
 
June 30, 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) 5.3 μg/m3 (22) 22.0
 
June 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.1 μg/m3 (21) 21.0
 
June 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.2 μg/m3 (26) 26.0
 
June 30, 2020, 4 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
 
June 30, 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) 0.5 μg/m3 (2) 6.0
 
June 30, 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) -3.9 μg/m3 (0) 6.0
 
June 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.5 μg/m3 (19) 19.0
 
June 30, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.7 μg/m3 (24) 24.0
 
June 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.1 μg/m3 (30) 30.0
 
June 29, 2020, 10 p.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 (0) 8.0
 
June 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.6 μg/m3 (7) 7.0
 
June 29, 2020, 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 (0) 5.0
 
June 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 8.6 μg/m3 (36) 36.0
 
June 29, 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) -0.4 μg/m3 (0) 4.0
 
June 29, 2020, 5 p.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
 
June 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 2.6 μg/m3 (11) 15.0
 
June 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 15.8 μg/m3 (58) 58.0
 
June 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 9.1 μg/m3 (38) 38.0
 
June 29, 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 (0) 9.0
 
June 29, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.8 μg/m3 (28) 28.0
 
June 29, 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) 4.3 μg/m3 (18) 18.0
 
June 29, 2020, 10 a.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
 
June 29, 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) 0.0 μg/m3 (0) 5.0
 
June 29, 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) 4.2 μg/m3 (18) 18.0
 
June 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.7 μg/m3 (3) 3.0
 
June 29, 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) 1.9 μg/m3 (8) 8.0
 
June 29, 2020, 5 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
 
June 29, 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) 4.1 μg/m3 (17) 17.0
 
June 29, 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) 8.8 μg/m3 (37) 37.0
 
June 29, 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) 3.1 μg/m3 (13) 13.0
 
June 29, 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) -2.7 μg/m3 (0) 8.0
 
June 29, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 6.3 μg/m3 (26) 26.0
 
June 28, 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) N/A 14.0