AQSQID: 040210001

Site Name: Casa Grande Downtown

Location: Casa Grande (Gila Bend Hwy), AZ

Reporting: True, Located: True

Current AQI: 12.0

Casa Grande (Gila Bend Hwy) AZ, US: 32.877583, -111.852219

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 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) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 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) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 7.0 μg/m3 (29) 36.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 2.0 μg/m3 (8) 20.0
 
Jan. 21, 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) 2.0 μg/m3 (8) 25.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 5.0 μg/m3 (21) 33.0
 
Jan. 21, 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) 6.0 μg/m3 (25) 31.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 3.0 μg/m3 (12) 28.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 1.0 μg/m3 (4) 21.0
 
Jan. 21, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 2.0 μg/m3 (8) 24.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 2.0 μg/m3 (8) 24.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 1.0 μg/m3 (4) 28.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 1.0 μg/m3 (4) 25.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 1.0 μg/m3 (4) 23.0
 
Jan. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 0.0 μg/m3 (0) 17.0
 
Jan. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 0.0 μg/m3 (0) 19.0
 
Jan. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) -2.0 μg/m3 (0) 34.0
 
Jan. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 0.0 μg/m3 (0) 31.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 5.0 μg/m3 (21) 52.0
 
Jan. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 7.0 μg/m3 (29) 33.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
Jan. 20, 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) 2.0 μg/m3 (8) 13.0
 
Jan. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Jan. 20, 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) 1.0 μg/m3 (4) 9.0
 
Jan. 20, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 5 a.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
 
Jan. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
Jan. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 3.0 μg/m3 (12) 34.0
 
Jan. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 1.0 μg/m3 (4) 40.0
 
Jan. 20, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 1.0 μg/m3 (4) 19.0
 
Jan. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 1.0 μg/m3 (4) 13.0
 
Jan. 19, 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) 0.0 μg/m3 (0) 10.0
 
Jan. 19, 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) -1.0 μg/m3 (0) 11.0
 
Jan. 19, 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) -2.0 μg/m3 (0) 12.0
 
Jan. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) -2.0 μg/m3 (0) 17.0
 
Jan. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 12.0
 
Jan. 19, 2020, 5 p.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
 
Jan. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 3.0 μg/m3 (12) 19.0
 
Jan. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 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) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 20.0 μg/m3 (67) 67.0
 
Jan. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
Jan. 19, 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) 5.0 μg/m3 (21) 24.0
 
Jan. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 2.0 μg/m3 (8) 27.0
 
Jan. 19, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 1.0 μg/m3 (4) 19.0
 
Jan. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
Jan. 18, 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) 3.0 μg/m3 (12) 12.0
 
Jan. 18, 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) 2.0 μg/m3 (8) 10.0
 
Jan. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 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) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
Jan. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, noon 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
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 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) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 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) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
Jan. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 3.0 μg/m3 (12) 29.0
 
Jan. 18, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 1.0 μg/m3 (4) 25.0
 
Jan. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 1.0 μg/m3 (4) 13.0
 
Jan. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
Jan. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 14.0
 
Jan. 17, 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) 2.0 μg/m3 (8) 10.0
 
Jan. 17, 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) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 6 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
 
Jan. 17, 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) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
Jan. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 2.0 μg/m3 (8) 25.0
 
Jan. 17, 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) 3.0 μg/m3 (12) 14.0
 
Jan. 17, 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) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, noon 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
 
Jan. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 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) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, 9 a.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 (12) 12.0
 
Jan. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
Jan. 17, 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) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 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) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 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
 
Jan. 17, 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) 1.0 μg/m3 (4) 5.0
 
Jan. 17, 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) 0.0 μg/m3 (0) 5.0
 
Jan. 17, 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 (0) 7.0
 
Jan. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 14.0
 
Jan. 17, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 2.0 μg/m3 (8) 35.0
 
Jan. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 3.0 μg/m3 (12) 45.0
 
Jan. 16, 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) 2.0 μg/m3 (8) 10.0
 
Jan. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 1.0 μg/m3 (4) 25.0
 
Jan. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 4.0 μg/m3 (17) 36.0
 
Jan. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 3.0 μg/m3 (12) 47.0
 
Jan. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 6.0 μg/m3 (25) 41.0
 
Jan. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 8.0 μg/m3 (33) 37.0
 
Jan. 16, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
Jan. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
Jan. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
Jan. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 7.0 μg/m3 (29) 36.0
 
Jan. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
Jan. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (54) 19.0 μg/m3 (65) 65.0
 
Jan. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 78.0 μg/m3 (62) 18.0 μg/m3 (63) 63.0
 
Jan. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (55) 9.0 μg/m3 (38) 55.0
 
Jan. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 5.0 μg/m3 (21) 35.0
 
Jan. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 5.0 μg/m3 (21) 42.0
 
Jan. 16, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 4.0 μg/m3 (17) 49.0
 
Jan. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 4.0 μg/m3 (17) 45.0
 
Jan. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 0.0 μg/m3 (0) 27.0
 
Jan. 15, 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) 0.0 μg/m3 (0) 13.0
 
Jan. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 2.0 μg/m3 (8) 22.0
 
Jan. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 2.0 μg/m3 (8) 26.0
 
Jan. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 4.0 μg/m3 (17) 45.0
 
Jan. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
Jan. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 4.0 μg/m3 (17) 32.0
 
Jan. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 6.0 μg/m3 (25) 31.0
 
Jan. 15, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
Jan. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Jan. 15, 2020, 10 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
 
Jan. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) 16.0 μg/m3 (59) 59.0
 
Jan. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) N/A 53.0
 
Jan. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 11.0 μg/m3 (46) 56.0
 
Jan. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 11.0 μg/m3 (46) 58.0
 
Jan. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 5.0 μg/m3 (21) 42.0
 
Jan. 15, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 1.0 μg/m3 (4) 40.0
 
Jan. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 2.0 μg/m3 (8) 31.0
 
Jan. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
Jan. 14, 2020, 9 p.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
 
Jan. 14, 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) 2.0 μg/m3 (8) 16.0
 
Jan. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 12.0