AQSQID: 530090013

Site Name: Cheeka Peak

Location: Wa'atch, WA

Reporting: True, Located: True

Current AQI: 15.0

Wa'atch WA, US: 48.2867, -124.6203

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 16, 2019, 4 p.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A N/A 20.0 ppb (15) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 15.0
 
July 16, 2019, 3 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A N/A 20.0 ppb (15) 0.07 ppb (1) N/A 0.6 μg/m3 (2) 15.0
 
July 16, 2019, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.07 ppb (1) N/A 0.6 μg/m3 (2) 15.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.07 ppb (1) N/A 0.6 μg/m3 (2) 14.0
 
July 16, 2019, noon N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.08 ppb (1) N/A 0.6 μg/m3 (2) 15.0
 
July 16, 2019, 11 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A N/A 19.0 ppb (15) 0.05 ppb (1) N/A 0.7 μg/m3 (3) 15.0
 
July 16, 2019, 10 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 15.0
 
July 16, 2019, 9 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.08 ppb (1) N/A 0.6 μg/m3 (2) 14.0
 
July 16, 2019, 8 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 15.0
 
July 16, 2019, 7 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.08 ppb (1) N/A 0.6 μg/m3 (2) 15.0
 
July 16, 2019, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 0.7 μg/m3 (3) 15.0
 
July 16, 2019, 5 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.06 ppb (1) N/A 0.7 μg/m3 (3) 14.0
 
July 16, 2019, 4 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.05 ppb (1) N/A 0.7 μg/m3 (3) 12.0
 
July 16, 2019, 3 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.06 ppb (1) N/A 2.0 μg/m3 (8) 11.0
 
July 16, 2019, 2 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.04 ppb (0) N/A 2.7 μg/m3 (11) 11.0
 
July 16, 2019, 1 a.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.05 ppb (1) N/A 3.1 μg/m3 (13) 13.0
 
July 16, 2019, midnight N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.05 ppb (1) N/A 3.3 μg/m3 (14) 14.0
 
July 15, 2019, 11 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 3.2 μg/m3 (13) 13.0
 
July 15, 2019, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 3.1 μg/m3 (13) 13.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 3.2 μg/m3 (13) 14.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.05 ppb (1) N/A 3.3 μg/m3 (14) 14.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.06 ppb (1) N/A 2.9 μg/m3 (12) 14.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.05 ppb (1) N/A 2.9 μg/m3 (12) 14.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.06 ppb (1) N/A 2.9 μg/m3 (12) 15.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.05 ppb (1) N/A 3.0 μg/m3 (12) 13.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.04 ppb (0) N/A 2.9 μg/m3 (12) 12.0
 
July 15, 2019, 2 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.04 ppb (0) N/A 2.6 μg/m3 (11) 16.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.05 ppb (1) N/A 1.6 μg/m3 (7) 14.0
 
July 15, 2019, noon N/A 0.0 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.06 ppb (1) N/A 1.0 μg/m3 (4) 12.0
 
July 15, 2019, 11 a.m. N/A 0.0 ppb (0) 1.4 ppb (1) N/A N/A N/A 16.0 ppb (12) 0.06 ppb (1) N/A 1.6 μg/m3 (7) 12.0
 
July 15, 2019, 10 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.08 ppb (1) N/A 2.3 μg/m3 (10) 17.0
 
July 15, 2019, 9 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.06 ppb (1) N/A 1.8 μg/m3 (8) 19.0
 
July 15, 2019, 8 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.07 ppb (1) N/A 2.2 μg/m3 (9) 18.0
 
July 15, 2019, 7 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.07 ppb (1) N/A 2.3 μg/m3 (10) 18.0
 
July 15, 2019, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 2.2 μg/m3 (9) 18.0
 
July 15, 2019, 5 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.07 ppb (1) N/A 2.4 μg/m3 (10) 17.0
 
July 15, 2019, 4 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.07 ppb (1) N/A 2.5 μg/m3 (10) 16.0
 
July 15, 2019, 3 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.05 ppb (1) N/A 2.6 μg/m3 (11) 15.0
 
July 15, 2019, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.04 ppb (0) N/A 2.6 μg/m3 (11) 15.0
 
July 15, 2019, 1 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.06 ppb (1) N/A 2.6 μg/m3 (11) 15.0
 
July 15, 2019, midnight N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.06 ppb (1) N/A 2.4 μg/m3 (10) 15.0
 
July 14, 2019, 11 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.06 ppb (1) N/A 2.2 μg/m3 (9) 15.0
 
July 14, 2019, 10 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.06 ppb (1) N/A 2.0 μg/m3 (8) 17.0
 
July 14, 2019, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.05 ppb (1) N/A 2.2 μg/m3 (9) 16.0
 
July 14, 2019, 8 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.07 ppb (1) N/A 2.4 μg/m3 (10) 16.0
 
July 14, 2019, 7 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.05 ppb (1) N/A 2.7 μg/m3 (11) 15.0
 
July 14, 2019, 6 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.05 ppb (1) N/A 3.3 μg/m3 (14) 15.0
 
July 14, 2019, 5 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.05 ppb (1) N/A 2.8 μg/m3 (12) 13.0
 
July 14, 2019, 4 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.04 ppb (0) N/A 1.9 μg/m3 (8) 12.0
 
July 14, 2019, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.04 ppb (0) N/A 1.1 μg/m3 (5) 12.0
 
July 14, 2019, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 11.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.03 ppb (0) N/A 0.6 μg/m3 (2) 12.0
 
July 14, 2019, noon N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.04 ppb (0) N/A 0.7 μg/m3 (3) 11.0
 
July 14, 2019, 11 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A N/A 14.0 ppb (11) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 11.0
 
July 14, 2019, 10 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 10.0
 
July 14, 2019, 9 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.04 ppb (0) N/A 0.8 μg/m3 (3) 12.0
 
July 14, 2019, 8 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.04 ppb (0) N/A 1.1 μg/m3 (5) 12.0
 
July 14, 2019, 7 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.05 ppb (1) N/A 1.0 μg/m3 (4) 12.0
 
July 14, 2019, 6 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 0.7 μg/m3 (3) 12.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.04 ppb (0) N/A 0.7 μg/m3 (3) 12.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.05 ppb (1) N/A 0.7 μg/m3 (3) 11.0
 
July 14, 2019, 3 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.04 ppb (0) N/A 1.7 μg/m3 (7) 12.0
 
July 14, 2019, 2 a.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 3.8 μg/m3 (16) 16.0
 
July 14, 2019, 1 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.05 ppb (1) N/A 4.1 μg/m3 (17) 17.0
 
July 14, 2019, midnight N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.04 ppb (0) N/A 3.8 μg/m3 (16) 17.0
 
July 13, 2019, 11 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.04 ppb (0) N/A 3.1 μg/m3 (13) 15.0
 
July 13, 2019, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.04 ppb (0) N/A 3.7 μg/m3 (15) 16.0
 
July 13, 2019, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.03 ppb (0) N/A 3.7 μg/m3 (15) 17.0
 
July 13, 2019, 8 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.06 ppb (1) N/A 3.7 μg/m3 (15) 18.0
 
July 13, 2019, 7 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.05 ppb (1) N/A 3.6 μg/m3 (15) 17.0
 
July 13, 2019, 6 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.06 ppb (1) N/A 3.8 μg/m3 (16) 17.0
 
July 13, 2019, 5 p.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.07 ppb (1) N/A 2.7 μg/m3 (11) 14.0
 
July 13, 2019, 4 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.06 ppb (1) N/A 1.3 μg/m3 (5) 12.0
 
July 13, 2019, 3 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A N/A 14.0 ppb (11) 0.07 ppb (1) N/A 0.8 μg/m3 (3) 11.0
 
July 13, 2019, 2 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A N/A 11.0 ppb (8) 0.03 ppb (0) N/A 0.7 μg/m3 (3) 8.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 10.0
 
July 13, 2019, noon N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 11.0
 
July 13, 2019, 11 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A N/A 14.0 ppb (11) 0.05 ppb (1) N/A 0.7 μg/m3 (3) 11.0
 
July 13, 2019, 10 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.06 ppb (1) N/A 0.6 μg/m3 (2) 12.0
 
July 13, 2019, 9 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.07 ppb (1) N/A 0.7 μg/m3 (3) 12.0
 
July 13, 2019, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.05 ppb (1) N/A 0.7 μg/m3 (3) 11.0
 
July 13, 2019, 7 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.05 ppb (1) N/A 0.8 μg/m3 (3) 10.0
 
July 13, 2019, 6 a.m. N/A 0.1 ppb (0) 4.3 ppb (4) N/A N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 0.6 μg/m3 (2) 7.0
 
July 13, 2019, 5 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 11.0
 
July 13, 2019, 4 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.04 ppb (0) N/A 0.9 μg/m3 (4) 12.0
 
July 13, 2019, 3 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.04 ppb (0) N/A 2.4 μg/m3 (10) 13.0
 
July 13, 2019, 2 a.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.04 ppb (0) N/A 2.6 μg/m3 (11) 12.0
 
July 13, 2019, 1 a.m. N/A 0.4 ppb (0) 1.2 ppb (1) N/A N/A N/A 17.0 ppb (13) 0.05 ppb (1) N/A 2.4 μg/m3 (10) 13.0
 
July 13, 2019, midnight N/A 1.1 ppb (1) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.04 ppb (0) N/A 2.2 μg/m3 (9) 13.0
 
July 12, 2019, 11 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.03 ppb (0) N/A 2.1 μg/m3 (9) 14.0
 
July 12, 2019, 10 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.02 ppb (0) N/A 2.0 μg/m3 (8) 12.0
 
July 12, 2019, 9 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.03 ppb (0) N/A 1.4 μg/m3 (6) 12.0
 
July 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 1.5 μg/m3 (6) 11.0
 
July 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 13.0 ppb (10) N/A N/A 1.9 μg/m3 (8) 11.0
 
July 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 1.7 μg/m3 (7) 8.0
 
July 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 2.3 μg/m3 (10) 10.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 2.1 μg/m3 (9) 11.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 2.1 μg/m3 (9) 12.0
 
July 12, 2019, 2 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.02 ppb (0) N/A 2.1 μg/m3 (9) 15.0
 
July 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.03 ppb (0) N/A 2.1 μg/m3 (9) 15.0
 
July 12, 2019, noon N/A 0.0 ppb (0) -0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.02 ppb (0) N/A 2.0 μg/m3 (8) 15.0
 
July 12, 2019, 11 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 21.0 ppb (16) 0.03 ppb (0) N/A 2.0 μg/m3 (8) 16.0
 
July 12, 2019, 10 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.05 ppb (1) N/A 2.2 μg/m3 (9) 15.0
 
July 12, 2019, 9 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.04 ppb (0) N/A 2.2 μg/m3 (9) 15.0
 
July 12, 2019, 8 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.04 ppb (0) N/A 2.2 μg/m3 (9) 15.0
 
July 12, 2019, 7 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.03 ppb (0) N/A 2.2 μg/m3 (9) 14.0
 
July 12, 2019, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 2.2 μg/m3 (9) 12.0
 
July 12, 2019, 5 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 10.0 ppb (8) 0.05 ppb (1) N/A 0.8 μg/m3 (3) 8.0
 
July 12, 2019, 4 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 15.0 ppb (12) 0.05 ppb (1) N/A 1.5 μg/m3 (6) 12.0
 
July 12, 2019, 3 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.03 ppb (0) N/A 1.6 μg/m3 (7) 12.0
 
July 12, 2019, 2 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.04 ppb (0) N/A 3.1 μg/m3 (13) 13.0
 
July 12, 2019, 1 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.03 ppb (0) N/A 3.1 μg/m3 (13) 15.0
 
July 12, 2019, midnight N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.04 ppb (0) N/A 2.9 μg/m3 (12) 16.0
 
July 11, 2019, 11 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.03 ppb (0) N/A 2.6 μg/m3 (11) 16.0
 
July 11, 2019, 10 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.02 ppb (0) N/A 2.8 μg/m3 (12) 16.0
 
July 11, 2019, 9 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 19.0 ppb (15) 0.02 ppb (0) N/A 2.9 μg/m3 (12) 15.0
 
July 11, 2019, 8 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 2.8 μg/m3 (12) 14.0
 
July 11, 2019, 7 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 2.6 μg/m3 (11) 12.0
 
July 11, 2019, 6 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.04 ppb (0) N/A 1.9 μg/m3 (8) 12.0
 
July 11, 2019, 5 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.05 ppb (1) N/A 2.5 μg/m3 (10) 13.0
 
July 11, 2019, 4 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.05 ppb (1) N/A 2.3 μg/m3 (10) 15.0
 
July 11, 2019, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.04 ppb (0) N/A 1.9 μg/m3 (8) 17.0
 
July 11, 2019, 2 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.04 ppb (0) N/A 1.5 μg/m3 (6) 18.0
 
July 11, 2019, 1 p.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.04 ppb (0) N/A 0.9 μg/m3 (4) 19.0
 
July 11, 2019, noon N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 19.0
 
July 11, 2019, 11 a.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.04 ppb (0) N/A 0.7 μg/m3 (3) 18.0
 
July 11, 2019, 10 a.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.04 ppb (0) N/A 0.7 μg/m3 (3) 16.0
 
July 11, 2019, 9 a.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 15.0
 
July 11, 2019, 8 a.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.03 ppb (0) N/A 0.6 μg/m3 (2) 13.0
 
July 11, 2019, 7 a.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.03 ppb (0) N/A 0.7 μg/m3 (3) 13.0
 
July 11, 2019, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 14.0
 
July 11, 2019, 5 a.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.04 ppb (0) N/A 0.7 μg/m3 (3) 15.0
 
July 11, 2019, 4 a.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 14.0
 
July 11, 2019, 3 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.03 ppb (0) N/A 0.6 μg/m3 (2) 13.0
 
July 11, 2019, 2 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.03 ppb (0) N/A 0.6 μg/m3 (2) 12.0
 
July 11, 2019, 1 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.03 ppb (0) N/A 0.6 μg/m3 (2) 12.0
 
July 11, 2019, midnight N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 13.0
 
July 10, 2019, 11 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.04 ppb (0) N/A 0.7 μg/m3 (3) 13.0
 
July 10, 2019, 10 p.m. N/A 0.2 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 15.0
 
July 10, 2019, 9 p.m. N/A N/A 0.4 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 13.0
 
July 10, 2019, 8 p.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 13.0
 
July 10, 2019, 7 p.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 13.0
 
July 10, 2019, 6 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 12.0
 
July 10, 2019, 5 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 11.0
 
July 10, 2019, 4 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 11.0
 
July 10, 2019, 3 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 12.0
 
July 10, 2019, 2 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.05 ppb (1) N/A 0.6 μg/m3 (2) 12.0
 
July 10, 2019, 1 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 12.0
 
July 10, 2019, noon N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.04 ppb (0) N/A 0.5 μg/m3 (2) 13.0
 
July 10, 2019, 11 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.04 ppb (0) N/A 0.6 μg/m3 (2) 14.0
 
July 10, 2019, 10 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.03 ppb (0) N/A 0.6 μg/m3 (2) 15.0
 
July 10, 2019, 9 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.03 ppb (0) N/A 0.6 μg/m3 (2) 15.0
 
July 10, 2019, 8 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.03 ppb (0) N/A 0.6 μg/m3 (2) 15.0
 
July 10, 2019, 7 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.05 ppb (1) N/A 0.5 μg/m3 (2) 15.0
 
July 10, 2019, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.07 ppb (1) N/A 0.6 μg/m3 (2) 17.0
 
July 10, 2019, 5 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.07 ppb (1) N/A 0.6 μg/m3 (2) 18.0
 
July 10, 2019, 4 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.08 ppb (1) N/A 0.6 μg/m3 (2) 19.0
 
July 10, 2019, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.08 ppb (1) N/A 1.2 μg/m3 (5) 18.0
 
July 10, 2019, 2 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 1.6 μg/m3 (7) 7.0
 
July 10, 2019, 1 a.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.07 ppb (1) N/A 0.7 μg/m3 (3) 16.0
 
July 10, 2019, midnight N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.08 ppb (1) N/A 2.3 μg/m3 (10) 15.0
 
July 9, 2019, 11 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.09 ppb (1) N/A 3.2 μg/m3 (13) 14.0
 
July 9, 2019, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.09 ppb (1) N/A 3.3 μg/m3 (14) 14.0
 
July 9, 2019, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.09 ppb (1) N/A 3.0 μg/m3 (12) 13.0
 
July 9, 2019, 8 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.09 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
July 9, 2019, 7 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.08 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
July 9, 2019, 6 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.09 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
July 9, 2019, 5 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 12.0