AQSQID: 530090013

Site Name: Cheeka Peak

Location: Wa'atch, WA

Reporting: True, Located: True

Current AQI: 32.0

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
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) N/A 0.8 μg/m3 (3) 33.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 32.0
 
Jan. 18, 2019, 10 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A N/A 42.0 ppb (32) 0.09 ppb (1) N/A 0.7 μg/m3 (3) 32.0
 
Jan. 18, 2019, 9 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 33.0
 
Jan. 18, 2019, 8 a.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) N/A 0.5 μg/m3 (2) 33.0
 
Jan. 18, 2019, 7 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A N/A 44.0 ppb (34) 0.09 ppb (1) N/A 0.6 μg/m3 (2) 34.0
 
Jan. 18, 2019, 6 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A N/A 44.0 ppb (34) N/A N/A 0.4 μg/m3 (2) 34.0
 
Jan. 18, 2019, 5 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A N/A 44.0 ppb (34) 0.09 ppb (1) N/A 0.5 μg/m3 (2) 34.0
 
Jan. 18, 2019, 4 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A N/A 44.0 ppb (34) 0.09 ppb (1) N/A 0.5 μg/m3 (2) 34.0
 
Jan. 18, 2019, 3 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A N/A 45.0 ppb (35) 0.09 ppb (1) N/A 0.5 μg/m3 (2) 35.0
 
Jan. 18, 2019, 2 a.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A N/A 44.0 ppb (34) 0.09 ppb (1) N/A 0.5 μg/m3 (2) 34.0
 
Jan. 18, 2019, 1 a.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A N/A 40.0 ppb (31) 0.09 ppb (1) N/A 0.5 μg/m3 (2) 31.0
 
Jan. 18, 2019, midnight N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 28.0
 
Jan. 17, 2019, 11 p.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 28.0
 
Jan. 17, 2019, 10 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 28.0
 
Jan. 17, 2019, 9 p.m. N/A 0.2 ppb (0) 2.6 ppb (2) N/A N/A N/A 30.0 ppb (23) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 23.0
 
Jan. 17, 2019, 8 p.m. N/A 0.2 ppb (0) 2.8 ppb (3) N/A N/A N/A 29.0 ppb (22) 0.11 ppb (1) N/A 1.1 μg/m3 (5) 22.0
 
Jan. 17, 2019, 7 p.m. N/A 0.3 ppb (0) 2.5 ppb (2) N/A N/A N/A 28.0 ppb (22) 0.11 ppb (1) N/A 0.8 μg/m3 (3) 22.0
 
Jan. 17, 2019, 6 p.m. N/A 0.2 ppb (0) 3.1 ppb (3) N/A N/A N/A 28.0 ppb (22) 0.11 ppb (1) N/A 0.9 μg/m3 (4) 22.0
 
Jan. 17, 2019, 5 p.m. N/A 0.2 ppb (0) 2.6 ppb (2) N/A N/A N/A 28.0 ppb (22) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 22.0
 
Jan. 17, 2019, 4 p.m. N/A 0.2 ppb (0) 2.2 ppb (2) N/A N/A N/A 28.0 ppb (22) 0.1 ppb (1) N/A 0.9 μg/m3 (4) 22.0
 
Jan. 17, 2019, 3 p.m. N/A 0.1 ppb (0) 2.1 ppb (2) N/A N/A N/A 28.0 ppb (22) N/A N/A 1.6 μg/m3 (7) 22.0
 
Jan. 17, 2019, 2 p.m. N/A 0.2 ppb (0) 1.6 ppb (1) N/A N/A N/A 29.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 17, 2019, noon N/A 0.1 ppb (0) 2.0 ppb (2) N/A N/A N/A 29.0 ppb (22) 0.11 ppb (1) N/A 2.2 μg/m3 (9) 22.0
 
Jan. 17, 2019, 11 a.m. N/A 0.1 ppb (0) 2.4 ppb (2) N/A N/A N/A 28.0 ppb (22) 0.12 ppb (1) N/A 2.2 μg/m3 (9) 22.0
 
Jan. 17, 2019, 10 a.m. N/A 0.1 ppb (0) 2.9 ppb (3) N/A N/A N/A 28.0 ppb (22) 0.12 ppb (1) N/A 2.5 μg/m3 (10) 22.0
 
Jan. 17, 2019, 9 a.m. N/A 0.2 ppb (0) 3.6 ppb (3) N/A N/A N/A 28.0 ppb (22) 0.13 ppb (1) N/A 2.8 μg/m3 (12) 22.0
 
Jan. 17, 2019, 8 a.m. N/A 0.2 ppb (0) 4.7 ppb (4) N/A N/A N/A N/A 0.12 ppb (1) N/A 3.1 μg/m3 (13) 13.0
 
Jan. 17, 2019, 7 a.m. N/A 0.2 ppb (0) 5.8 ppb (5) N/A N/A N/A 25.0 ppb (19) 0.14 ppb (2) N/A 3.5 μg/m3 (15) 19.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 3.7 μg/m3 (15) 20.0
 
Jan. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.14 ppb (2) N/A 3.8 μg/m3 (16) 19.0
 
Jan. 17, 2019, 4 a.m. N/A 0.1 ppb (0) 8.0 ppb (7) N/A N/A N/A 23.0 ppb (18) 0.15 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Jan. 17, 2019, 3 a.m. N/A 0.2 ppb (0) 8.6 ppb (8) N/A N/A N/A 22.0 ppb (17) 0.15 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Jan. 17, 2019, 2 a.m. N/A 0.2 ppb (0) 7.7 ppb (7) N/A N/A N/A N/A 0.15 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
Jan. 17, 2019, 1 a.m. N/A 0.2 ppb (0) 8.5 ppb (8) N/A N/A N/A 23.0 ppb (18) 0.14 ppb (2) N/A 4.1 μg/m3 (17) 18.0
 
Jan. 17, 2019, midnight N/A 0.3 ppb (0) 8.7 ppb (8) N/A N/A N/A 23.0 ppb (18) 0.14 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
Jan. 16, 2019, 11 p.m. N/A 0.6 ppb (1) 7.1 ppb (7) N/A N/A N/A 24.0 ppb (18) 0.14 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
Jan. 16, 2019, 10 p.m. N/A 0.5 ppb (0) 4.9 ppb (5) N/A N/A N/A 26.0 ppb (20) 0.13 ppb (1) N/A 3.5 μg/m3 (15) 20.0
 
Jan. 16, 2019, 9 p.m. N/A 0.7 ppb (1) 4.6 ppb (4) N/A N/A N/A 27.0 ppb (21) 0.12 ppb (1) N/A 3.5 μg/m3 (15) 21.0
 
Jan. 16, 2019, 8 p.m. N/A 0.8 ppb (1) 5.4 ppb (5) N/A N/A N/A 24.0 ppb (18) 0.12 ppb (1) N/A 4.1 μg/m3 (17) 18.0
 
Jan. 16, 2019, 7 p.m. N/A 0.9 ppb (1) 5.4 ppb (5) N/A N/A N/A 24.0 ppb (18) 0.12 ppb (1) N/A 4.2 μg/m3 (18) 18.0
 
Jan. 16, 2019, 6 p.m. N/A 0.6 ppb (1) 4.7 ppb (4) N/A N/A N/A 25.0 ppb (19) 0.13 ppb (1) N/A 4.3 μg/m3 (18) 19.0
 
Jan. 16, 2019, 5 p.m. N/A 0.3 ppb (0) 4.1 ppb (4) N/A N/A N/A 28.0 ppb (22) 0.12 ppb (1) N/A 4.1 μg/m3 (17) 22.0
 
Jan. 16, 2019, 4 p.m. N/A 0.2 ppb (0) 6.0 ppb (6) N/A N/A N/A 22.0 ppb (17) 0.12 ppb (1) N/A 5.5 μg/m3 (23) 23.0
 
Jan. 16, 2019, 3 p.m. N/A 0.2 ppb (0) 6.6 ppb (6) N/A N/A N/A 17.0 ppb (13) 0.13 ppb (1) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 16, 2019, 2 p.m. N/A 0.2 ppb (0) 7.3 ppb (7) N/A N/A N/A 16.0 ppb (12) 0.14 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.14 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 16, 2019, noon N/A 0.2 ppb (0) 10.6 ppb (10) N/A N/A N/A 14.0 ppb (11) 0.15 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
Jan. 16, 2019, 11 a.m. N/A 0.2 ppb (0) 12.3 ppb (11) N/A N/A N/A 13.0 ppb (10) 0.16 ppb (2) N/A 8.2 μg/m3 (34) 34.0
 
Jan. 16, 2019, 10 a.m. N/A 0.3 ppb (0) 12.8 ppb (12) N/A N/A N/A 14.0 ppb (11) 0.16 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 16, 2019, 9 a.m. N/A 0.2 ppb (0) 11.3 ppb (10) N/A N/A N/A 16.0 ppb (12) 0.16 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 16, 2019, 8 a.m. N/A 0.2 ppb (0) 10.7 ppb (10) N/A N/A N/A 18.0 ppb (14) 0.16 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 16, 2019, 7 a.m. N/A 0.2 ppb (0) 11.1 ppb (10) N/A N/A N/A 18.0 ppb (14) 0.17 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
Jan. 16, 2019, 6 a.m. N/A 0.2 ppb (0) 9.9 ppb (9) N/A N/A N/A 19.0 ppb (15) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 16, 2019, 5 a.m. N/A 0.1 ppb (0) 8.6 ppb (8) N/A N/A N/A 21.0 ppb (16) 0.16 ppb (2) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 16, 2019, 4 a.m. N/A 0.1 ppb (0) 7.9 ppb (7) N/A N/A N/A 21.0 ppb (16) 0.15 ppb (2) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 16, 2019, 3 a.m. N/A 0.1 ppb (0) 7.5 ppb (7) N/A N/A N/A 22.0 ppb (17) 0.15 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Jan. 16, 2019, 2 a.m. N/A 0.1 ppb (0) 5.7 ppb (5) N/A N/A N/A 25.0 ppb (19) 0.14 ppb (2) N/A 3.7 μg/m3 (15) 19.0
 
Jan. 16, 2019, 1 a.m. N/A 0.1 ppb (0) 5.9 ppb (5) N/A N/A N/A 25.0 ppb (19) 0.13 ppb (1) N/A 3.5 μg/m3 (15) 19.0
 
Jan. 16, 2019, midnight N/A 0.3 ppb (0) 7.0 ppb (6) N/A N/A N/A 21.0 ppb (16) 0.14 ppb (2) N/A 3.7 μg/m3 (15) 16.0
 
Jan. 15, 2019, 11 p.m. N/A 0.9 ppb (1) 5.8 ppb (5) N/A N/A N/A 24.0 ppb (18) 0.14 ppb (2) N/A 3.2 μg/m3 (13) 18.0
 
Jan. 15, 2019, 10 p.m. N/A 1.0 ppb (1) 5.2 ppb (5) N/A N/A N/A 24.0 ppb (18) 0.15 ppb (2) N/A 3.3 μg/m3 (14) 18.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.15 ppb (2) N/A N/A 2.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) N/A 3.6 μg/m3 (15) 19.0
 
Jan. 15, 2019, 7 p.m. N/A 1.3 ppb (1) 5.5 ppb (5) N/A N/A N/A 26.0 ppb (20) 0.14 ppb (2) N/A 3.6 μg/m3 (15) 20.0
 
Jan. 15, 2019, 6 p.m. N/A 1.0 ppb (1) 6.1 ppb (6) N/A N/A N/A 25.0 ppb (19) 0.15 ppb (2) N/A 3.8 μg/m3 (16) 19.0
 
Jan. 15, 2019, 5 p.m. N/A 0.5 ppb (0) 6.2 ppb (6) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 15, 2019, 4 p.m. N/A 0.1 ppb (0) 5.5 ppb (5) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.14 ppb (2) N/A 3.9 μg/m3 (16) 19.0
 
Jan. 15, 2019, 3 p.m. N/A 0.0 ppb (0) 5.2 ppb (5) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.15 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Jan. 15, 2019, 2 p.m. N/A 0.0 ppb (0) 4.2 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) N/A 4.1 μg/m3 (17) 19.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.14 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Jan. 15, 2019, noon N/A 0.0 ppb (0) 5.5 ppb (5) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
Jan. 15, 2019, 11 a.m. N/A 0.0 ppb (0) 4.7 ppb (4) N/A N/A N/A 24.0 ppb (18) 0.14 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
Jan. 15, 2019, 10 a.m. N/A 0.0 ppb (0) 3.7 ppb (3) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) N/A 3.6 μg/m3 (15) 21.0
 
Jan. 15, 2019, 9 a.m. N/A 0.0 ppb (0) 4.5 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.14 ppb (2) N/A 3.9 μg/m3 (16) 19.0
 
Jan. 15, 2019, 8 a.m. N/A 0.0 ppb (0) 4.8 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.14 ppb (2) N/A 4.1 μg/m3 (17) 19.0
 
Jan. 15, 2019, 7 a.m. N/A 0.0 ppb (0) 3.9 ppb (4) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.13 ppb (1) N/A 3.8 μg/m3 (16) 20.0
 
Jan. 15, 2019, 6 a.m. N/A 0.0 ppb (0) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Jan. 15, 2019, 5 a.m. N/A 0.0 ppb (0) 2.3 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A 2.8 μg/m3 (12) 24.0
 
Jan. 15, 2019, 4 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) N/A 2.6 μg/m3 (11) 25.0
 
Jan. 15, 2019, 3 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) N/A 2.5 μg/m3 (10) 26.0
 
Jan. 15, 2019, 2 a.m. N/A 0.0 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.12 ppb (1) N/A 2.4 μg/m3 (10) 10.0
 
Jan. 15, 2019, 1 a.m. N/A 0.0 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) N/A 2.3 μg/m3 (10) 25.0
 
Jan. 15, 2019, midnight N/A 0.0 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.11 ppb (1) N/A 2.2 μg/m3 (9) 25.0
 
Jan. 14, 2019, 11 p.m. N/A 0.0 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) N/A 1.9 μg/m3 (8) 25.0
 
Jan. 14, 2019, 10 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) N/A 1.9 μg/m3 (8) 25.0
 
Jan. 14, 2019, 9 p.m. N/A 0.2 ppb (0) 1.5 ppb (1) N/A N/A N/A 33.0 ppb (25) 0.11 ppb (1) N/A 1.8 μg/m3 (8) 25.0
 
Jan. 14, 2019, 8 p.m. N/A 0.2 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) N/A 1.8 μg/m3 (8) 25.0
 
Jan. 14, 2019, 7 p.m. N/A 0.2 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.11 ppb (1) N/A 1.7 μg/m3 (7) 26.0
 
Jan. 14, 2019, 6 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.11 ppb (1) N/A 1.9 μg/m3 (8) 25.0
 
Jan. 14, 2019, 5 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A 1.9 μg/m3 (8) 24.0
 
Jan. 14, 2019, 4 p.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 24.0
 
Jan. 14, 2019, 3 p.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) N/A 2.3 μg/m3 (10) 24.0
 
Jan. 14, 2019, 2 p.m. N/A 0.0 ppb (0) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 23.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.12 ppb (1) N/A 3.1 μg/m3 (13) 20.0
 
Jan. 14, 2019, noon N/A 0.0 ppb (0) 2.4 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.12 ppb (1) N/A 3.2 μg/m3 (13) 19.0
 
Jan. 14, 2019, 11 a.m. N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A N/A 24.0 ppb (18) 0.13 ppb (1) N/A 3.5 μg/m3 (15) 18.0
 
Jan. 14, 2019, 10 a.m. N/A 0.0 ppb (0) 2.8 ppb (3) N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.12 ppb (1) N/A 3.7 μg/m3 (15) 19.0
 
Jan. 14, 2019, 9 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.12 ppb (1) N/A 3.3 μg/m3 (14) 20.0
 
Jan. 14, 2019, 8 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 14, 2019, 7 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.12 ppb (1) N/A 3.1 μg/m3 (13) 22.0
 
Jan. 14, 2019, 6 a.m. N/A 0.0 ppb (0) 1.5 ppb (1) N/A N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 2.8 μg/m3 (12) 23.0
 
Jan. 14, 2019, 5 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 2.2 μg/m3 (9) 25.0
 
Jan. 14, 2019, 4 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 28.0
 
Jan. 14, 2019, 3 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 26.0
 
Jan. 14, 2019, 2 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) N/A 2.3 μg/m3 (10) 25.0
 
Jan. 14, 2019, 1 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 2.1 μg/m3 (9) 25.0
 
Jan. 14, 2019, midnight N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 1.8 μg/m3 (8) 25.0
 
Jan. 13, 2019, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 1.8 μg/m3 (8) 27.0
 
Jan. 13, 2019, 10 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 1.7 μg/m3 (7) 27.0
 
Jan. 13, 2019, 9 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 25.0
 
Jan. 13, 2019, 8 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.11 ppb (1) N/A 1.9 μg/m3 (8) 25.0
 
Jan. 13, 2019, 7 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 2.1 μg/m3 (9) 23.0
 
Jan. 13, 2019, 6 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 2.3 μg/m3 (10) 23.0
 
Jan. 13, 2019, 5 p.m. N/A 0.1 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) N/A 2.9 μg/m3 (12) 22.0
 
Jan. 13, 2019, 4 p.m. N/A 0.1 ppb (0) 3.9 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.13 ppb (1) N/A 3.8 μg/m3 (16) 19.0
 
Jan. 13, 2019, 3 p.m. N/A 0.0 ppb (0) 4.2 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
Jan. 13, 2019, 2 p.m. N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.14 ppb (2) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.13 ppb (1) N/A 4.7 μg/m3 (20) 20.0
 
Jan. 13, 2019, 10 a.m. N/A 0.0 ppb (0) 4.5 ppb (4) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Jan. 13, 2019, 9 a.m. N/A 0.0 ppb (0) 4.1 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.2 μg/m3 (18) 18.0
 
Jan. 13, 2019, 8 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 2.6 μg/m3 (11) 23.0
 
Jan. 13, 2019, 7 a.m. N/A 0.0 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 2.3 μg/m3 (10) 25.0
 
Jan. 13, 2019, 6 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.6 μg/m3 (11) 23.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 2.6 μg/m3 (11) 22.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 2.4 μg/m3 (10) 23.0
 
Jan. 13, 2019, 3 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.09 ppb (1) N/A 1.7 μg/m3 (7) 28.0
 
Jan. 13, 2019, 2 a.m. 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 1.7 μg/m3 (7) 7.0
 
Jan. 13, 2019, 1 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.9 μg/m3 (8) 24.0
 
Jan. 13, 2019, midnight N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Jan. 12, 2019, 11 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.09 ppb (1) N/A 1.8 μg/m3 (8) 25.0
 
Jan. 12, 2019, 10 p.m. N/A 0.0 ppb (0) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 25.0
 
Jan. 12, 2019, 9 p.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 1.7 μg/m3 (7) 23.0
 
Jan. 12, 2019, 8 p.m. N/A 0.2 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 1.8 μg/m3 (8) 23.0
 
Jan. 12, 2019, 7 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 1.7 μg/m3 (7) 26.0
 
Jan. 12, 2019, 6 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 1.7 μg/m3 (7) 26.0
 
Jan. 12, 2019, 5 p.m. N/A 0.1 ppb (0) 2.2 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 2.1 μg/m3 (9) 23.0
 
Jan. 12, 2019, 4 p.m. N/A 0.0 ppb (0) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) N/A 2.4 μg/m3 (10) 22.0
 
Jan. 12, 2019, 3 p.m. N/A 0.1 ppb (0) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) N/A 2.4 μg/m3 (10) 21.0
 
Jan. 12, 2019, 2 p.m. N/A 0.0 ppb (0) 2.6 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.12 ppb (1) N/A 2.4 μg/m3 (10) 20.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A 2.5 μg/m3 (10) 18.0
 
Jan. 12, 2019, noon N/A 0.0 ppb (0) 4.1 ppb (4) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.12 ppb (1) N/A 2.8 μg/m3 (12) 17.0
 
Jan. 12, 2019, 11 a.m. N/A 0.0 ppb (0) 4.3 ppb (4) N/A N/A N/A 22.0 ppb (17) 0.12 ppb (1) N/A 2.7 μg/m3 (11) 17.0
 
Jan. 12, 2019, 10 a.m. N/A 0.0 ppb (0) 4.6 ppb (4) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.13 ppb (1) N/A 2.8 μg/m3 (12) 17.0
 
Jan. 12, 2019, 9 a.m. N/A 0.0 ppb (0) 4.9 ppb (5) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.13 ppb (1) N/A 2.9 μg/m3 (12) 17.0
 
Jan. 12, 2019, 8 a.m. N/A 0.0 ppb (0) 4.9 ppb (5) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.13 ppb (1) N/A 2.8 μg/m3 (12) 18.0
 
Jan. 12, 2019, 7 a.m. N/A 0.0 ppb (0) 4.4 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.7 μg/m3 (11) 19.0
 
Jan. 12, 2019, 6 a.m. N/A 0.0 ppb (0) 3.9 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.4 μg/m3 (10) 19.0
 
Jan. 12, 2019, 5 a.m. N/A 0.0 ppb (0) 2.5 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 21.0
 
Jan. 12, 2019, 4 a.m. N/A 0.0 ppb (0) 2.4 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) N/A 1.9 μg/m3 (8) 22.0
 
Jan. 12, 2019, 3 a.m. N/A 0.0 ppb (0) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) N/A 1.9 μg/m3 (8) 21.0
 
Jan. 12, 2019, 2 a.m. N/A 0.0 ppb (0) 2.2 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) N/A 1.8 μg/m3 (8) 22.0
 
Jan. 12, 2019, 1 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) N/A 1.7 μg/m3 (7) 22.0
 
Jan. 12, 2019, midnight N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.11 ppb (1) N/A 1.5 μg/m3 (6) 22.0
 
Jan. 11, 2019, 11 p.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 1.3 μg/m3 (5) 21.0
 
Jan. 11, 2019, 10 p.m. N/A 0.2 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 1.3 μg/m3 (5) 20.0
 
Jan. 11, 2019, 9 p.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) N/A 1.2 μg/m3 (5) 21.0
 
Jan. 11, 2019, 8 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) N/A 1.1 μg/m3 (5) 21.0
 
Jan. 11, 2019, 7 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) N/A 1.1 μg/m3 (5) 21.0
 
Jan. 11, 2019, 6 p.m. N/A 0.1 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.11 ppb (1) N/A 1.4 μg/m3 (6) 18.0
 
Jan. 11, 2019, 5 p.m. N/A 0.1 ppb (0) 2.3 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A 1.8 μg/m3 (8) 18.0
 
Jan. 11, 2019, 4 p.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A 1.8 μg/m3 (8) 18.0
 
Jan. 11, 2019, 3 p.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 1.6 μg/m3 (7) 20.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 1.1 μg/m3 (5) 26.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 28.0