AQSQID: 530090013

Site Name: Cheeka Peak

Location: Wa'atch, WA

Reporting: True, Located: True

Current AQI: 20.0

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
Sept. 17, 2019, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 1.3 μg/m3 (5) 20.0
 
Sept. 17, 2019, 5 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 1.4 μg/m3 (6) 20.0
 
Sept. 17, 2019, 4 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 1.4 μg/m3 (6) 22.0
 
Sept. 17, 2019, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 1.5 μg/m3 (6) 22.0
 
Sept. 17, 2019, 2 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 1.5 μg/m3 (6) 22.0
 
Sept. 17, 2019, 1 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 1.4 μg/m3 (6) 22.0
 
Sept. 17, 2019, midnight N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
Sept. 16, 2019, 11 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.4 μg/m3 (6) 24.0
 
Sept. 16, 2019, 10 p.m. N/A N/A 0.2 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 1.6 μg/m3 (7) 20.0
 
Sept. 16, 2019, 9 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 1.8 μg/m3 (8) 16.0
 
Sept. 16, 2019, 8 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 1.6 μg/m3 (7) 16.0
 
Sept. 16, 2019, 7 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.05 ppb (1) N/A 1.7 μg/m3 (7) 18.0
 
Sept. 16, 2019, 6 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 1.5 μg/m3 (6) 18.0
 
Sept. 16, 2019, 5 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 1.3 μg/m3 (5) 17.0
 
Sept. 16, 2019, 4 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 1.3 μg/m3 (5) 16.0
 
Sept. 16, 2019, 3 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 1.4 μg/m3 (6) 21.0
 
Sept. 16, 2019, 2 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A 1.2 μg/m3 (5) 22.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.08 ppb (1) N/A 1.1 μg/m3 (5) 24.0
 
Sept. 16, 2019, noon N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 0.9 μg/m3 (4) 25.0
 
Sept. 16, 2019, 11 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A N/A 31.0 ppb (24) 0.12 ppb (1) N/A N/A 24.0
 
Sept. 16, 2019, 10 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
Sept. 16, 2019, 9 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 1.4 μg/m3 (6) 20.0
 
Sept. 16, 2019, 8 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.09 ppb (1) N/A 1.2 μg/m3 (5) 21.0
 
Sept. 16, 2019, 7 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.14 ppb (2) N/A 1.2 μg/m3 (5) 20.0
 
Sept. 16, 2019, 6 a.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 1.3 μg/m3 (5) 19.0
 
Sept. 16, 2019, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.13 ppb (1) N/A 1.6 μg/m3 (7) 20.0
 
Sept. 16, 2019, 4 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.09 ppb (1) N/A 1.7 μg/m3 (7) 18.0
 
Sept. 16, 2019, 3 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A 1.7 μg/m3 (7) 19.0
 
Sept. 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 0.1 ppb (1) N/A 1.7 μg/m3 (7) 7.0
 
Sept. 16, 2019, 1 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.08 ppb (1) N/A 2.0 μg/m3 (8) 18.0
 
Sept. 16, 2019, midnight N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.08 ppb (1) N/A 1.8 μg/m3 (8) 19.0
 
Sept. 15, 2019, 11 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.07 ppb (1) N/A 1.7 μg/m3 (7) 18.0
 
Sept. 15, 2019, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.09 ppb (1) N/A 1.6 μg/m3 (7) 20.0
 
Sept. 15, 2019, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.08 ppb (1) N/A 1.4 μg/m3 (6) 21.0
 
Sept. 15, 2019, 8 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.09 ppb (1) N/A 1.6 μg/m3 (7) 20.0
 
Sept. 15, 2019, 7 p.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A N/A 29.0 ppb (22) 0.08 ppb (1) N/A 1.3 μg/m3 (5) 22.0
 
Sept. 15, 2019, 6 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A N/A 27.0 ppb (21) 0.09 ppb (1) N/A 0.9 μg/m3 (4) 21.0
 
Sept. 15, 2019, 5 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 1.1 μg/m3 (5) 22.0
 
Sept. 15, 2019, 4 p.m. N/A 0.2 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.09 ppb (1) N/A 1.5 μg/m3 (6) 22.0
 
Sept. 15, 2019, 3 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.09 ppb (1) N/A 1.0 μg/m3 (4) 22.0
 
Sept. 15, 2019, 2 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 21.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 22.0
 
Sept. 15, 2019, noon N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.09 ppb (1) N/A 2.7 μg/m3 (11) 24.0
 
Sept. 15, 2019, 11 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 25.0
 
Sept. 15, 2019, 10 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 2.8 μg/m3 (12) 25.0
 
Sept. 15, 2019, 9 a.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.09 ppb (1) N/A 1.3 μg/m3 (5) 24.0
 
Sept. 15, 2019, 8 a.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A 1.0 μg/m3 (4) 23.0
 
Sept. 15, 2019, 7 a.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A 1.0 μg/m3 (4) 23.0
 
Sept. 15, 2019, 6 a.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 0.7 μg/m3 (3) 22.0
 
Sept. 15, 2019, 5 a.m. N/A 0.2 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.08 ppb (1) N/A 0.6 μg/m3 (2) 24.0
 
Sept. 15, 2019, 4 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 23.0
 
Sept. 15, 2019, 3 a.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A N/A 32.0 ppb (25) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 25.0
 
Sept. 15, 2019, 2 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A N/A 30.0 ppb (23) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 23.0
 
Sept. 15, 2019, 1 a.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 25.0
 
Sept. 15, 2019, midnight N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.08 ppb (1) N/A 0.6 μg/m3 (2) 25.0
 
Sept. 14, 2019, 11 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.08 ppb (1) N/A 0.6 μg/m3 (2) 25.0
 
Sept. 14, 2019, 10 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 25.0
 
Sept. 14, 2019, 9 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 25.0
 
Sept. 14, 2019, 8 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 26.0
 
Sept. 14, 2019, 7 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 25.0
 
Sept. 14, 2019, 6 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 25.0
 
Sept. 14, 2019, 5 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 24.0
 
Sept. 14, 2019, 4 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 0.8 μg/m3 (3) 24.0
 
Sept. 14, 2019, 3 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) N/A 0.9 μg/m3 (4) 24.0
 
Sept. 14, 2019, 2 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 0.7 μg/m3 (3) 23.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 0.7 μg/m3 (3) 23.0
 
Sept. 14, 2019, noon N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 23.0
 
Sept. 14, 2019, 11 a.m. N/A 0.2 ppb (0) 0.2 ppb (0) N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 24.0
 
Sept. 14, 2019, 10 a.m. N/A 0.2 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A 0.8 μg/m3 (3) 24.0
 
Sept. 14, 2019, 9 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 24.0
 
Sept. 14, 2019, 8 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 24.0
 
Sept. 14, 2019, 7 a.m. N/A 0.2 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 24.0
 
Sept. 14, 2019, 6 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 0.7 μg/m3 (3) 23.0
 
Sept. 14, 2019, 5 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 25.0
 
Sept. 14, 2019, 4 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 25.0
 
Sept. 14, 2019, 3 a.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 23.0
 
Sept. 14, 2019, 2 a.m. N/A 0.1 ppb (0) 0.4 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
 
Sept. 14, 2019, 1 a.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 22.0
 
Sept. 14, 2019, midnight N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 23.0
 
Sept. 13, 2019, 11 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 23.0
 
Sept. 13, 2019, 10 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 23.0
 
Sept. 13, 2019, 9 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 23.0
 
Sept. 13, 2019, 8 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 23.0
 
Sept. 13, 2019, 7 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 22.0
 
Sept. 13, 2019, 6 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 22.0
 
Sept. 13, 2019, 5 p.m. N/A 0.2 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 22.0
 
Sept. 13, 2019, 4 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 21.0
 
Sept. 13, 2019, 3 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 22.0
 
Sept. 13, 2019, 2 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 22.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 22.0
 
Sept. 13, 2019, noon N/A 0.2 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 23.0
 
Sept. 13, 2019, 11 a.m. N/A 0.2 ppb (0) 0.3 ppb (0) N/A N/A N/A 30.0 ppb (23) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 23.0
 
Sept. 13, 2019, 10 a.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 23.0
 
Sept. 13, 2019, 9 a.m. N/A 0.2 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 23.0
 
Sept. 13, 2019, 8 a.m. N/A 0.2 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 24.0
 
Sept. 13, 2019, 7 a.m. N/A 0.2 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 25.0
 
Sept. 13, 2019, 6 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 0.7 μg/m3 (3) 24.0
 
Sept. 13, 2019, 5 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 23.0
 
Sept. 13, 2019, 4 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 25.0
 
Sept. 13, 2019, 3 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 24.0
 
Sept. 13, 2019, 2 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.08 ppb (1) N/A 0.7 μg/m3 (3) 24.0
 
Sept. 13, 2019, 1 a.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.07 ppb (1) N/A 0.6 μg/m3 (2) 25.0
 
Sept. 13, 2019, midnight N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.08 ppb (1) N/A 0.7 μg/m3 (3) 22.0
 
Sept. 12, 2019, 11 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 20.0
 
Sept. 12, 2019, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.07 ppb (1) N/A 0.7 μg/m3 (3) 20.0
 
Sept. 12, 2019, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.08 ppb (1) N/A 0.8 μg/m3 (3) 19.0
 
Sept. 12, 2019, 8 p.m. N/A -0.2 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.08 ppb (1) N/A 1.3 μg/m3 (5) 19.0
 
Sept. 12, 2019, 7 p.m. N/A -0.5 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.07 ppb (1) N/A 1.7 μg/m3 (7) 19.0
 
Sept. 12, 2019, 6 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.05 ppb (1) N/A 1.6 μg/m3 (7) 19.0
 
Sept. 12, 2019, 5 p.m. N/A -0.2 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.05 ppb (1) N/A 1.5 μg/m3 (6) 19.0
 
Sept. 12, 2019, 4 p.m. N/A -0.5 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.07 ppb (1) N/A 1.6 μg/m3 (7) 19.0
 
Sept. 12, 2019, 3 p.m. N/A -0.6 ppb (0) -0.4 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.06 ppb (1) N/A 1.4 μg/m3 (6) 21.0
 
Sept. 12, 2019, 2 p.m. N/A -1.3 ppb (0) -1.3 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.07 ppb (1) N/A 1.3 μg/m3 (5) 22.0
 
Sept. 12, 2019, 1 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.08 ppb (1) N/A 1.4 μg/m3 (6) 20.0
 
Sept. 12, 2019, midnight N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.08 ppb (1) N/A 1.4 μg/m3 (6) 21.0
 
Sept. 11, 2019, 11 p.m. N/A N/A 0.3 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.09 ppb (1) N/A 1.7 μg/m3 (7) 18.0
 
Sept. 11, 2019, 10 p.m. N/A N/A 0.2 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.09 ppb (1) N/A 1.6 μg/m3 (7) 20.0
 
Sept. 11, 2019, 9 p.m. N/A 0.2 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A 1.9 μg/m3 (8) 19.0
 
Sept. 11, 2019, 8 p.m. N/A 0.2 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.09 ppb (1) N/A 1.9 μg/m3 (8) 18.0
 
Sept. 11, 2019, 7 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.09 ppb (1) N/A 1.7 μg/m3 (7) 16.0
 
Sept. 11, 2019, 6 p.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.09 ppb (1) N/A 1.8 μg/m3 (8) 16.0
 
Sept. 11, 2019, 5 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 1.6 μg/m3 (7) 17.0
 
Sept. 11, 2019, 4 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.08 ppb (1) N/A 1.6 μg/m3 (7) 19.0
 
Sept. 11, 2019, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.09 ppb (1) N/A 1.6 μg/m3 (7) 21.0
 
Sept. 11, 2019, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.09 ppb (1) N/A 1.5 μg/m3 (6) 20.0
 
Sept. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.08 ppb (1) N/A 1.4 μg/m3 (6) 21.0
 
Sept. 11, 2019, noon N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.08 ppb (1) N/A 1.0 μg/m3 (4) 21.0
 
Sept. 11, 2019, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A 25.0 ppb (19) 0.07 ppb (1) N/A 0.7 μg/m3 (3) 19.0
 
Sept. 11, 2019, 10 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.08 ppb (1) N/A 0.7 μg/m3 (3) 15.0
 
Sept. 11, 2019, 9 a.m. N/A 0.1 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
 
Sept. 11, 2019, 8 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.08 ppb (1) N/A 0.7 μg/m3 (3) 15.0
 
Sept. 11, 2019, 7 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.08 ppb (1) N/A 0.7 μg/m3 (3) 15.0
 
Sept. 11, 2019, 6 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 0.6 μg/m3 (2) 15.0
 
Sept. 11, 2019, 5 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.08 ppb (1) N/A 0.7 μg/m3 (3) 18.0
 
Sept. 11, 2019, 4 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.08 ppb (1) N/A 0.7 μg/m3 (3) 18.0
 
Sept. 11, 2019, 3 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.08 ppb (1) N/A 1.2 μg/m3 (5) 22.0
 
Sept. 11, 2019, 2 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.08 ppb (1) N/A 1.4 μg/m3 (6) 19.0
 
Sept. 11, 2019, 1 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.08 ppb (1) N/A 1.5 μg/m3 (6) 21.0
 
Sept. 11, 2019, midnight N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.08 ppb (1) N/A 1.6 μg/m3 (7) 22.0
 
Sept. 10, 2019, 11 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.08 ppb (1) N/A 1.6 μg/m3 (7) 22.0
 
Sept. 10, 2019, 10 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.08 ppb (1) N/A 1.5 μg/m3 (6) 22.0
 
Sept. 10, 2019, 9 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.08 ppb (1) N/A 1.6 μg/m3 (7) 20.0
 
Sept. 10, 2019, 8 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.08 ppb (1) N/A 1.7 μg/m3 (7) 20.0
 
Sept. 10, 2019, 7 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.08 ppb (1) N/A 1.8 μg/m3 (8) 18.0
 
Sept. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.09 ppb (1) N/A 1.5 μg/m3 (6) 17.0
 
Sept. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.09 ppb (1) N/A 1.2 μg/m3 (5) 18.0
 
Sept. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.09 ppb (1) N/A 0.9 μg/m3 (4) 16.0
 
Sept. 10, 2019, 3 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 15.0
 
Sept. 10, 2019, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 17.0
 
Sept. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 16.0
 
Sept. 10, 2019, noon N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 15.0
 
Sept. 10, 2019, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A 23.0 ppb (18) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 18.0
 
Sept. 10, 2019, 10 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 18.0
 
Sept. 10, 2019, 9 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 18.0
 
Sept. 10, 2019, 8 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.09 ppb (1) N/A 0.8 μg/m3 (3) 18.0
 
Sept. 10, 2019, 7 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) N/A 0.7 μg/m3 (3) 18.0
 
Sept. 10, 2019, 6 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 0.7 μg/m3 (3) 18.0
 
Sept. 10, 2019, 5 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) N/A 0.8 μg/m3 (3) 18.0
 
Sept. 10, 2019, 4 a.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A 0.8 μg/m3 (3) 18.0
 
Sept. 10, 2019, 3 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 15.0
 
Sept. 10, 2019, 2 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 0.8 μg/m3 (3) 3.0
 
Sept. 10, 2019, 1 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.09 ppb (1) N/A 0.8 μg/m3 (3) 17.0
 
Sept. 10, 2019, midnight N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A 1.4 μg/m3 (6) 19.0
 
Sept. 9, 2019, 11 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.09 ppb (1) N/A 1.8 μg/m3 (8) 20.0
 
Sept. 9, 2019, 10 p.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.09 ppb (1) N/A 1.6 μg/m3 (7) 21.0
 
Sept. 9, 2019, 9 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.09 ppb (1) N/A 1.5 μg/m3 (6) 18.0
 
Sept. 9, 2019, 8 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A 1.5 μg/m3 (6) 19.0
 
Sept. 9, 2019, 7 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A 1.5 μg/m3 (6) 19.0