AQSQID: 191770006

Site Name: Lake Sugema

Location: Van Buren Co, IA

Reporting: True, Located: True

Current AQI: 12.0

Van Buren Co IA, US: 40.693298, -92.006104

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, noon 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 16, 2019, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 16, 2019, 8 a.m. 4.3 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2019, 7 a.m. 3.4 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 6 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2019, 5 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2019, 4 a.m. 3.3 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 3 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2019, 2 a.m. 4.3 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2019, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2019, midnight 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 11 p.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 10 p.m. 3.5 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 9 p.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 8 p.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 7 p.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 6 p.m. 4.1 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 5 p.m. 4.9 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 4 p.m. 4.4 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 3 p.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 2 p.m. 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 1 p.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, noon 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 11 a.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 8 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 7 a.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 6 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 5 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 4 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 3 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 2 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 1 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, midnight 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 11 p.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 10 p.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 9 p.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 8 p.m. 2.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 7 p.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 6 p.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 14, 2019, 5 p.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 4 p.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 3 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 2 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 14, 2019, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 11 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2019, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 6 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 5 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 4 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 3 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 2 a.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 1 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, midnight 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 11 p.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2019, 10 p.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 13, 2019, 9 p.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 13, 2019, 8 p.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 7 p.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 6 p.m. 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 5 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 4 p.m. 4.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 3 p.m. 4.1 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 13, 2019, 2 p.m. 4.0 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 13, 2019, 1 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 13, 2019, noon 4.4 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 13, 2019, 11 a.m. 4.7 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 13, 2019, 8 a.m. 4.4 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 13, 2019, 7 a.m. 4.3 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 6 a.m. 4.5 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 5 a.m. 4.5 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 4 a.m. 5.1 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 3 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 2 a.m. 7.9 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 13, 2019, 1 a.m. 8.4 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 13, 2019, midnight 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 12, 2019, 11 p.m. 6.5 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 12, 2019, 10 p.m. 6.1 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 12, 2019, 9 p.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 8 p.m. 3.9 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 7 p.m. 4.6 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 6 p.m. 4.3 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 5 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 4 p.m. 5.7 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2019, 3 p.m. 6.5 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 12, 2019, 2 p.m. 6.4 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2019, 1 p.m. 5.9 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, noon 5.6 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 11 a.m. 5.5 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 12, 2019, 8 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2019, 7 a.m. 5.1 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 6 a.m. 5.2 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2019, 5 a.m. 5.6 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2019, 4 a.m. 5.8 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 3 a.m. 5.8 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, 2 a.m. 5.8 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 1 a.m. 5.6 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, midnight 5.7 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 11 p.m. 6.5 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 10 p.m. 6.2 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 9 p.m. 6.0 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 8 p.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 7 p.m. 5.8 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 11, 2019, 6 p.m. 6.2 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2019, 5 p.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 4 p.m. 5.9 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2019, 3 p.m. 5.4 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2019, 2 p.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 1 p.m. 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2019, noon 3.6 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 11 a.m. 3.4 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 8 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 7 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 6 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 5 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 4 a.m. 3.4 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 3 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 2 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 1 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, midnight 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 11 p.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 10 p.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2019, 9 p.m. 2.6 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2019, 8 p.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 7 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 10, 2019, 6 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 5 p.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2019, 4 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 3 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2019, 2 p.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 1 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 10, 2019, noon 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2019, 11 a.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 8 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 6 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 5 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2019, 4 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 10, 2019, 3 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2019, 2 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2019, 1 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2019, midnight 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 9, 2019, 11 p.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 9, 2019, 10 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 9, 2019, 9 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 9, 2019, 8 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 9, 2019, 7 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 9, 2019, 6 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 9, 2019, 5 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 9, 2019, 4 p.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 9, 2019, 3 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 9, 2019, 2 p.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 9, 2019, 1 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) 1.0