AQSQID: 530090013

Site Name: Cheeka Peak

Location: Neah Bay (98357), WA

Reporting: True, Located: True

Current AQI: 1.0

Neah Bay (98357) WA, US: 48.2867, -124.6203

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 27, 2020, 7 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 27, 2020, 6 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 27, 2020, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.11 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 27, 2020, 4 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.11 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 27, 2020, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.12 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 27, 2020, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.13 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 27, 2020, 1 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.13 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 27, 2020, midnight N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.16 ppb (2) N/A 0.5 μg/m3 (2) 2.0
 
Jan. 26, 2020, 11 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.17 ppb (2) N/A 0.4 μg/m3 (2) 2.0
 
Jan. 26, 2020, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.16 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Jan. 26, 2020, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.14 ppb (2) N/A 0.7 μg/m3 (3) 3.0
 
Jan. 26, 2020, 8 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 7 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 26, 2020, 6 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.03 ppb (0) N/A 0.0 μg/m3 (0) N/A
Jan. 26, 2020, 5 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.05 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 4 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.05 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.06 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.06 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, noon N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.06 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A N/A 0.06 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 10 a.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 9 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 2.0
 
Jan. 26, 2020, 8 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 2.0
 
Jan. 26, 2020, 7 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 2.0
 
Jan. 26, 2020, 6 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
Jan. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 3 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, 2 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 2.0
 
Jan. 26, 2020, 1 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 26, 2020, midnight N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 11 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 8 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 7 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 6 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 5 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 4 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 3 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 2 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, noon N/A 0.0 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 11 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A N/A N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 10 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 9 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 8 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 7 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.2 μg/m3 (1) 1.0
 
Jan. 25, 2020, 6 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 25, 2020, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 4 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A N/A N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A N/A N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, 1 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 25, 2020, midnight N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 11 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 10 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 9 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 8 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 7 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 6 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 5 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 4 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, noon N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 10 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 9 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 8 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 7 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 6 a.m. N/A N/A 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 24, 2020, 5 a.m. N/A N/A 0.2 ppb (0) N/A N/A N/A N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 4 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 3 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 2 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 1 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, midnight N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 11 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 10 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 9 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 6 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 5 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.06 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 4 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.05 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.06 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.06 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, noon N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 10 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 9 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 8 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 7 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 6 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 23, 2020, 5 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 4 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 3 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 2 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, 1 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 23, 2020, midnight N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 10 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 9 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 8 p.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 2.0
 
Jan. 22, 2020, 7 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 6 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 5 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.5 μg/m3 (2) 2.0
 
Jan. 22, 2020, 4 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 1.6 μg/m3 (7) 7.0
 
Jan. 22, 2020, 3 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 1.8 μg/m3 (8) 8.0
 
Jan. 22, 2020, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 1.0 μg/m3 (4) 4.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.8 μg/m3 (3) 3.0
 
Jan. 22, 2020, noon N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.5 μg/m3 (2) 2.0
 
Jan. 22, 2020, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 10 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 9 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 8 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 7 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 6 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 22, 2020, 5 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 4 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 3 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 2 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 1 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, midnight N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 11 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A N/A N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A N/A N/A 0.08 ppb (1) N/A 0.1 μg/m3 (0) 1.0
 
Jan. 21, 2020, 8 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.07 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 7 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.2 μg/m3 (1) 1.0
 
Jan. 21, 2020, 6 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 5 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 4 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.1 μg/m3 (0) 1.0
 
Jan. 21, 2020, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, noon N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 10 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 9 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.4 μg/m3 (2) 2.0
 
Jan. 21, 2020, 8 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.9 μg/m3 (4) 4.0
 
Jan. 21, 2020, 7 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.9 μg/m3 (4) 4.0
 
Jan. 21, 2020, 6 a.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
Jan. 21, 2020, 5 a.m. N/A 0.0 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.11 ppb (1) N/A 1.5 μg/m3 (6) 6.0
 
Jan. 21, 2020, 4 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.11 ppb (1) N/A 1.2 μg/m3 (5) 5.0
 
Jan. 21, 2020, 3 a.m. N/A 0.0 ppb (0) 2.2 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.12 ppb (1) N/A 0.5 μg/m3 (2) 2.0
 
Jan. 21, 2020, 2 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.11 ppb (1) N/A 0.0 μg/m3 (0) 2.0
 
Jan. 21, 2020, 1 a.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, midnight N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 11 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 10 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 9 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 8 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 7 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.08 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 6 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 5 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 4 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 3 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 2 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, noon N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Jan. 20, 2020, 11 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
Jan. 20, 2020, 10 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
Jan. 20, 2020, 9 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
Jan. 20, 2020, 8 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (1) N/A 0.7 μg/m3 (3) 3.0