ID: 1965

AQSQID: 300930005

Site Name: Butte Greely School

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

Updated: July 7, 2020, 3:34 p.m.

Location: Butte (S Park Place), MT

Reporting: True, Located: True

Current AQI: 40.0

Butte (S Park Place) MT, US: 46.002399, -112.500893

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
July 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 87.0 μg/m3 (66) 20.2 μg/m3 (67) 67.0
 
July 7, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (58) 1.0 μg/m3 (4) 58.0
 
July 7, 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) 4.7 μg/m3 (20) 20.0
 
July 7, 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) 4.7 μg/m3 (20) 20.0
 
July 7, 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) 4.7 μg/m3 (20) 21.0
 
July 7, 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) 3.7 μg/m3 (15) 23.0
 
July 7, 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) 4.4 μg/m3 (18) 18.0
 
July 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.6 μg/m3 (28) 28.0
 
July 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 6.6 μg/m3 (28) 28.0
 
July 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 16.0 μg/m3 (59) 59.0
 
July 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 14.7 μg/m3 (56) 56.0
 
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) 1.0 μg/m3 (4) 9.0
 
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) 3.5 μg/m3 (15) 15.0
 
July 7, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 10.2 μg/m3 (42) 42.0
 
July 6, 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) 7.8 μg/m3 (32) 32.0
 
July 6, 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) 2.2 μg/m3 (9) 13.0
 
July 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 0.5 μg/m3 (2) 15.0
 
July 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 0.8 μg/m3 (3) 15.0
 
July 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 1.8 μg/m3 (8) 18.0
 
July 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 2.7 μg/m3 (11) 24.0
 
July 6, 2020, 5 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
 
July 6, 2020, 4 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 6, 2020, 3 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 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 22.0
 
July 6, 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) 4.7 μg/m3 (20) 20.0
 
July 6, 2020, noon 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 6, 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) -1.8 μg/m3 (0) 6.0
 
July 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
July 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
July 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 8.1 μg/m3 (34) 34.0
 
July 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 12.0
 
July 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.2 μg/m3 (9) 14.0
 
July 6, 2020, 5 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 (32) 32.0
 
July 6, 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) 8.0 μg/m3 (33) 33.0
 
July 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 9.5 μg/m3 (40) 40.0
 
July 6, 2020, 2 a.m. 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, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) -0.8 μg/m3 (0) 9.0
 
July 6, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) -0.9 μg/m3 (0) 8.0
 
July 5, 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) 1.5 μg/m3 (6) 12.0
 
July 5, 2020, 10 p.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 (20) 20.0
 
July 5, 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) 4.7 μg/m3 (20) 20.0
 
July 5, 2020, 8 p.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 (11) 11.0
 
July 5, 2020, 7 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 5, 2020, 6 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 5, 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) 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 21.0 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
July 5, 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) 18.7 μg/m3 (64) 64.0
 
July 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 22.1 μg/m3 (71) 71.0
 
July 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) N/A 11.0
 
July 5, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
July 5, 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) 6.6 μg/m3 (28) 28.0
 
July 5, 2020, 10 a.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, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 7.8 μg/m3 (32) 32.0
 
July 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 15.2 μg/m3 (57) 57.0
 
July 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 15.5 μg/m3 (57) 57.0
 
July 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 119.0 μg/m3 (82) 93.3 μg/m3 (170) 170.0
 
July 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 318.0 μg/m3 (182) 158.4 μg/m3 (208) 208.0
 
July 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 409.0 μg/m3 (277) 265.2 μg/m3 (315) 315.0
 
July 5, 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) 2.5 μg/m3 (10) 10.0
 
July 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 2.5 μg/m3 (10) 24.0
 
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) 6.6 μg/m3 (28) 28.0
 
July 5, 2020, midnight 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 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 4.4 μg/m3 (18) 25.0
 
July 4, 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) 3.2 μg/m3 (13) 25.0
 
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) 3.0 μg/m3 (12) 12.0
 
July 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 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 11.0 μg/m3 (10) 3.9 μg/m3 (16) 16.0
 
July 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.3 μg/m3 (5) 10.0
 
July 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.4 μg/m3 (18) 20.0
 
July 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 8.5 μg/m3 (35) 35.0
 
July 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 26.2 μg/m3 (80) 80.0
 
July 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) -1.5 μg/m3 (0) 11.0
 
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) N/A 10.0
 
July 4, 2020, noon 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 (0) 8.0
 
July 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.9 μg/m3 (20) 20.0
 
July 4, 2020, 10 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 4, 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) N/A 14.0
 
July 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 28.7 μg/m3 (86) 86.0
 
July 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 86.0 μg/m3 (66) 68.3 μg/m3 (157) 157.0
 
July 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 22.8 μg/m3 (73) 73.0
 
July 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 36.3 μg/m3 (102) 102.0
 
July 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 30.6 μg/m3 (90) 90.0
 
July 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 15.7 μg/m3 (58) 58.0
 
July 4, 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) 3.7 μg/m3 (15) 15.0
 
July 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.4 μg/m3 (18) 18.0
 
July 4, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.5 μg/m3 (35) 35.0
 
July 3, 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) 3.7 μg/m3 (15) 15.0
 
July 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (55) -0.4 μg/m3 (0) 55.0
 
July 3, 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) -0.3 μg/m3 (0) 12.0
 
July 3, 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) 2.7 μg/m3 (11) 11.0
 
July 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.7 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 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
July 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 4.7 μg/m3 (20) 24.0
 
July 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
July 3, 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) 11.3 μg/m3 (47) 47.0
 
July 3, 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) 6.6 μg/m3 (28) 28.0
 
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) 1.0 μg/m3 (4) 10.0
 
July 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
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) N/A 3.0
 
July 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) -3.7 μg/m3 (0) 2.0
 
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) -0.6 μg/m3 (0) 4.0
 
July 3, 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) 1.8 μg/m3 (8) 8.0
 
July 3, 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) 1.3 μg/m3 (5) 11.0
 
July 3, 2020, 6 a.m. 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 (0) 12.0
 
July 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 49.2 μg/m3 (134) 134.0
 
July 3, 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) 31.4 μg/m3 (91) 91.0
 
July 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
July 3, 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) -2.2 μg/m3 (0) 6.0
 
July 3, 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) 0.3 μg/m3 (1) 6.0
 
July 3, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) -0.6 μg/m3 (0) 7.0
 
July 2, 2020, 11 p.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, 10 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 (0) 10.0
 
July 2, 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) -1.5 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 3.0 μg/m3 (3) -1.3 μg/m3 (0) 3.0
 
July 2, 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) -1.1 μg/m3 (0) 5.0
 
July 2, 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) 6.6 μg/m3 (28) 28.0
 
July 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 13.3 μg/m3 (53) 53.0
 
July 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 (11) 15.2 μg/m3 (57) 57.0
 
July 2, 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) 8.7 μg/m3 (36) 36.0
 
July 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 2.4 μg/m3 (10) 39.0
 
July 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) -2.1 μg/m3 (0) 12.0
 
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) N/A 6.0
 
July 2, 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) N/A 2.0
 
July 2, 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) -3.0 μg/m3 (0) 2.0
 
July 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A N/A
July 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A N/A
July 2, 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) -0.4 μg/m3 (0) N/A
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) 4.2 μg/m3 (18) 18.0
 
July 2, 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) 7.1 μg/m3 (30) 30.0
 
July 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 3.7 μg/m3 (15) 31.0
 
July 2, 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) 3.0 μg/m3 (12) 18.0
 
July 2, 2020, 2 a.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 (20) 20.0
 
July 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.5 μg/m3 (15) 15.0
 
July 2, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 2.7 μg/m3 (11) 19.0
 
July 1, 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) 3.9 μg/m3 (16) 16.0
 
July 1, 2020, 10 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 1, 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) 0.3 μg/m3 (1) 12.0
 
July 1, 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) 14.7 μg/m3 (56) 56.0
 
July 1, 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) 5.1 μg/m3 (21) 21.0
 
July 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 17.4 μg/m3 (61) 61.0
 
July 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
July 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) -3.6 μg/m3 (0) 6.0
 
July 1, 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) N/A 4.0
 
July 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (2) 2.0
 
July 1, 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) 1.8 μg/m3 (8) 8.0
 
July 1, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 3.0
 
July 1, 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) -0.6 μg/m3 (0) 2.0
 
July 1, 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) 1.3 μg/m3 (5) 5.0
 
July 1, 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) 1.3 μg/m3 (5) 5.0
 
July 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) -0.8 μg/m3 (0) 3.0
 
July 1, 2020, 7 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 (0) 3.0
 
July 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
July 1, 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) 3.0 μg/m3 (12) 12.0
 
July 1, 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) 4.9 μg/m3 (20) 20.0
 
July 1, 2020, 3 a.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 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.6 μg/m3 (2) 4.0
 
July 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) -0.3 μg/m3 (0) N/A
July 1, 2020, midnight 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
June 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 (7) 0.6 μg/m3 (2) 7.0
 
June 30, 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) 1.5 μg/m3 (6) 8.0
 
June 30, 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) 5.9 μg/m3 (25) 25.0
 
June 30, 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) 8.3 μg/m3 (35) 35.0
 
June 30, 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) 9.2 μg/m3 (38) 38.0
 
June 30, 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) 13.9 μg/m3 (54) 54.0
 
June 30, 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) 15.9 μg/m3 (58) 58.0
 
June 30, 2020, 4 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 (7) 7.0
 
June 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -1.9 μg/m3 (0) 5.0