AQSQID: 000101005

Site Name: Abbotsford Airport

Location: Abbotsford (Columbia Rd), CC

Reporting: True, Located: True

Current AQI: 13.0

Abbotsford (Columbia Rd) CC, CA: 49.021506, -122.326556

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2019, 6 p.m. N/A 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 10.0 ppb (8) N/A 8.0 μg/m3 (7) 3.1 μg/m3 (13) 13.0
 
Sept. 22, 2019, 5 p.m. N/A 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (7) 0.13 ppb (1) 7.0 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
Sept. 22, 2019, 4 p.m. N/A 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 8.0 ppb (6) 0.13 ppb (1) 10.0 μg/m3 (9) 4.6 μg/m3 (19) 19.0
 
Sept. 22, 2019, 3 p.m. N/A 2.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 6.0 ppb (5) 0.13 ppb (1) 13.0 μg/m3 (12) 6.1 μg/m3 (25) 25.0
 
Sept. 22, 2019, 2 p.m. N/A 1.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.12 ppb (1) 13.0 μg/m3 (12) 7.6 μg/m3 (32) 32.0
 
Sept. 22, 2019, 1 p.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 5.0 ppb (4) 0.11 ppb (1) 13.0 μg/m3 (12) 6.6 μg/m3 (28) 28.0
 
Sept. 22, 2019, noon N/A 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.13 ppb (1) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2019, 11 a.m. N/A 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 5.0 ppb (4) 0.1 ppb (1) 10.0 μg/m3 (9) 4.7 μg/m3 (20) 20.0
 
Sept. 22, 2019, 10 a.m. N/A 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 5.0 ppb (4) 0.1 ppb (1) 12.0 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
Sept. 22, 2019, 9 a.m. N/A 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 7.0 ppb (5) 0.1 ppb (1) 7.0 μg/m3 (6) 3.9 μg/m3 (16) 16.0
 
Sept. 22, 2019, 8 a.m. N/A 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (5) 0.12 ppb (1) 11.0 μg/m3 (10) 4.9 μg/m3 (20) 20.0
 
Sept. 22, 2019, 7 a.m. N/A 1.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.13 ppb (1) 16.0 μg/m3 (15) 6.5 μg/m3 (27) 27.0
 
Sept. 22, 2019, 6 a.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 7.0 ppb (5) 0.13 ppb (1) 16.0 μg/m3 (15) 6.5 μg/m3 (27) 27.0
 
Sept. 22, 2019, 5 a.m. N/A 0.7 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 8.0 ppb (6) 0.16 ppb (2) 20.0 μg/m3 (18) 7.9 μg/m3 (33) 33.0
 
Sept. 22, 2019, 4 a.m. N/A 1.5 ppb (1) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 6.0 ppb (5) 0.21 ppb (2) 26.0 μg/m3 (24) 12.8 μg/m3 (52) 52.0
 
Sept. 22, 2019, 3 a.m. N/A 0.6 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 10.0 ppb (8) 0.16 ppb (2) 20.0 μg/m3 (18) 12.8 μg/m3 (52) 52.0
 
Sept. 22, 2019, 2 a.m. N/A 0.4 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 12.0 ppb (9) 0.14 ppb (2) 14.0 μg/m3 (13) 10.6 μg/m3 (44) 44.0
 
Sept. 22, 2019, 1 a.m. N/A 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) 0.1 ppb (1) 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2019, midnight N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) 0.1 ppb (1) 6.0 μg/m3 (5) 5.5 μg/m3 (23) 23.0
 
Sept. 21, 2019, 11 p.m. N/A 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) 0.1 ppb (1) 7.0 μg/m3 (6) 6.1 μg/m3 (25) 25.0
 
Sept. 21, 2019, 10 p.m. N/A 1.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) 0.09 ppb (1) 4.0 μg/m3 (4) 6.2 μg/m3 (26) 26.0
 
Sept. 21, 2019, 9 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) 0.11 ppb (1) 10.0 μg/m3 (9) 7.6 μg/m3 (32) 32.0
 
Sept. 21, 2019, 8 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) 0.11 ppb (1) 13.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
Sept. 21, 2019, 7 p.m. N/A 1.7 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 19.0 ppb (15) 0.1 ppb (1) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2019, 6 p.m. N/A 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A 11.0 μg/m3 (10) 5.3 μg/m3 (22) 22.0
 
Sept. 21, 2019, 5 p.m. N/A 2.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 14.0 ppb (11) 0.11 ppb (1) 10.0 μg/m3 (9) 4.4 μg/m3 (18) 18.0
 
Sept. 21, 2019, 4 p.m. N/A 3.8 ppb (4) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 8.0 ppb (6) 0.12 ppb (1) 14.0 μg/m3 (13) 5.1 μg/m3 (21) 21.0
 
Sept. 21, 2019, 3 p.m. N/A 6.6 ppb (6) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 1.0 ppb (1) 0.13 ppb (1) 21.0 μg/m3 (19) 6.5 μg/m3 (27) 27.0
 
Sept. 21, 2019, 2 p.m. N/A 4.2 ppb (4) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 2.0 ppb (2) 0.13 ppb (1) 10.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
Sept. 21, 2019, 1 p.m. N/A 4.5 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 1.0 ppb (1) 0.14 ppb (2) 17.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
Sept. 21, 2019, noon N/A 3.1 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 1.0 ppb (1) 0.14 ppb (2) 16.0 μg/m3 (15) 6.1 μg/m3 (25) 25.0
 
Sept. 21, 2019, 11 a.m. N/A 2.5 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 1.0 ppb (1) 0.14 ppb (2) 16.0 μg/m3 (15) 5.8 μg/m3 (24) 24.0
 
Sept. 21, 2019, 10 a.m. N/A 2.4 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 1.0 ppb (1) 0.15 ppb (2) 19.0 μg/m3 (17) 6.8 μg/m3 (28) 28.0
 
Sept. 21, 2019, 9 a.m. N/A 1.8 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 2.0 ppb (2) 0.15 ppb (2) 18.0 μg/m3 (16) 4.8 μg/m3 (20) 20.0
 
Sept. 21, 2019, 8 a.m. N/A 2.3 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 2.0 ppb (2) 0.17 ppb (2) 22.0 μg/m3 (20) 4.4 μg/m3 (18) 20.0
 
Sept. 21, 2019, 7 a.m. N/A 10.1 ppb (9) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 2.0 ppb (2) 0.24 ppb (3) 23.0 μg/m3 (21) 5.1 μg/m3 (21) 21.0
 
Sept. 21, 2019, 6 a.m. N/A 10.8 ppb (10) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 1.0 ppb (1) 0.26 ppb (3) 30.0 μg/m3 (27) 7.4 μg/m3 (31) 31.0
 
Sept. 21, 2019, 5 a.m. N/A 1.7 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 5.0 ppb (4) 0.15 ppb (2) 21.0 μg/m3 (19) 9.1 μg/m3 (38) 38.0
 
Sept. 21, 2019, 4 a.m. N/A 1.2 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 7.0 ppb (5) 0.17 ppb (2) 20.0 μg/m3 (18) 9.2 μg/m3 (38) 38.0
 
Sept. 21, 2019, 3 a.m. N/A 0.5 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 10.0 ppb (8) 0.11 ppb (1) 5.0 μg/m3 (5) 5.2 μg/m3 (22) 22.0
 
Sept. 21, 2019, 2 a.m. N/A 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 16.0 ppb (12) 0.11 ppb (1) 1.0 μg/m3 (1) 3.5 μg/m3 (15) 15.0
 
Sept. 21, 2019, 1 a.m. N/A 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) 0.12 ppb (1) 3.0 μg/m3 (3) 3.5 μg/m3 (15) 16.0
 
Sept. 21, 2019, midnight N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 24.0 ppb (18) 0.15 ppb (2) 11.0 μg/m3 (10) 5.1 μg/m3 (21) 21.0
 
Sept. 20, 2019, 11 p.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 23.0 ppb (18) 0.14 ppb (2) 9.0 μg/m3 (8) 5.6 μg/m3 (23) 23.0
 
Sept. 20, 2019, 10 p.m. N/A 1.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) 0.12 ppb (1) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2019, 9 p.m. N/A 1.5 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 19.0 ppb (15) 0.11 ppb (1) 7.0 μg/m3 (6) 5.4 μg/m3 (23) 23.0
 
Sept. 20, 2019, 8 p.m. N/A 2.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 16.0 ppb (12) 0.12 ppb (1) 7.0 μg/m3 (6) 7.6 μg/m3 (32) 32.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.5 μg/m3 (27) 27.0
 
Sept. 20, 2019, 6 p.m. N/A 3.0 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 12.0 ppb (9) 0.12 ppb (1) 10.0 μg/m3 (9) 6.7 μg/m3 (28) 28.0
 
Sept. 20, 2019, 5 p.m. N/A 2.9 ppb (3) N/A 4.0 ppb (4) N/A N/A 8.0 ppb (6) 0.13 ppb (1) 15.0 μg/m3 (14) 7.2 μg/m3 (30) 30.0
 
Sept. 20, 2019, 4 p.m. N/A 3.6 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (5) 0.13 ppb (1) 19.0 μg/m3 (17) 10.3 μg/m3 (43) 43.0
 
Sept. 20, 2019, 3 p.m. N/A 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.14 ppb (2) 17.0 μg/m3 (15) 10.7 μg/m3 (45) 45.0
 
Sept. 20, 2019, 2 p.m. N/A 1.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 3.0 ppb (2) N/A 14.0 μg/m3 (13) 10.7 μg/m3 (45) 45.0
 
Sept. 20, 2019, 1 p.m. N/A 1.1 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.12 ppb (1) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2019, noon N/A 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.13 ppb (1) 13.0 μg/m3 (12) 10.4 μg/m3 (43) 43.0
 
Sept. 20, 2019, 11 a.m. N/A 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 2.0 ppb (2) 0.12 ppb (1) 11.0 μg/m3 (10) 7.4 μg/m3 (31) 31.0
 
Sept. 20, 2019, 10 a.m. N/A 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 3.0 ppb (2) 0.13 ppb (1) 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
Sept. 20, 2019, 9 a.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 3.0 ppb (2) 0.11 ppb (1) 8.0 μg/m3 (7) 6.8 μg/m3 (28) 28.0
 
Sept. 20, 2019, 8 a.m. N/A 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 3.0 ppb (2) 0.11 ppb (1) 9.0 μg/m3 (8) 6.6 μg/m3 (28) 28.0
 
Sept. 20, 2019, 7 a.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 4.0 ppb (3) 0.11 ppb (1) 8.0 μg/m3 (7) 5.5 μg/m3 (23) 23.0
 
Sept. 20, 2019, 6 a.m. N/A 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 4.0 ppb (3) 0.1 ppb (1) 8.0 μg/m3 (7) 5.3 μg/m3 (22) 22.0
 
Sept. 20, 2019, 5 a.m. N/A 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.09 ppb (1) 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
Sept. 20, 2019, 4 a.m. N/A 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (5) 0.1 ppb (1) 9.0 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
Sept. 20, 2019, 3 a.m. N/A 0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 7.0 ppb (5) 0.09 ppb (1) 9.0 μg/m3 (8) 7.1 μg/m3 (30) 30.0
 
Sept. 20, 2019, 2 a.m. N/A 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 8.0 ppb (6) 0.08 ppb (1) 7.0 μg/m3 (6) 5.2 μg/m3 (22) 22.0
 
Sept. 20, 2019, 1 a.m. N/A 1.2 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 11.0 ppb (8) 0.1 ppb (1) 9.0 μg/m3 (8) 6.2 μg/m3 (26) 26.0
 
Sept. 20, 2019, midnight N/A 2.7 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 11.0 ppb (8) 0.14 ppb (2) 20.0 μg/m3 (18) 13.7 μg/m3 (54) 54.0
 
Sept. 19, 2019, 11 p.m. N/A 1.8 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) 0.11 ppb (1) 13.0 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
Sept. 19, 2019, 10 p.m. N/A 1.7 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) 9.0 μg/m3 (8) 8.3 μg/m3 (35) 35.0
 
Sept. 19, 2019, 9 p.m. N/A 2.0 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 20.0 ppb (15) 0.1 ppb (1) 10.0 μg/m3 (9) 6.9 μg/m3 (29) 29.0
 
Sept. 19, 2019, 8 p.m. N/A 2.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 18.0 ppb (14) 0.1 ppb (1) 12.0 μg/m3 (11) 8.1 μg/m3 (34) 34.0
 
Sept. 19, 2019, 7 p.m. N/A 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 18.0 ppb (14) 0.1 ppb (1) 10.0 μg/m3 (9) 5.9 μg/m3 (25) 25.0
 
Sept. 19, 2019, 6 p.m. N/A 5.8 ppb (5) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 11.0 ppb (8) 0.11 ppb (1) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
Sept. 19, 2019, 5 p.m. N/A 4.2 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 8.0 ppb (6) 0.11 ppb (1) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 7.0
 
Sept. 19, 2019, 4 p.m. N/A 7.1 ppb (7) N/A 5.0 ppb (5) N/A N/A N/A 0.13 ppb (1) 33.0 μg/m3 (30) 1.6 μg/m3 (7) 30.0
 
Sept. 19, 2019, 3 p.m. N/A 14.8 ppb (14) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 1.0 ppb (1) 0.15 ppb (2) 27.0 μg/m3 (25) 1.2 μg/m3 (5) 25.0
 
Sept. 19, 2019, 2 p.m. N/A 21.3 ppb (20) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 18.0 μg/m3 (16) 1.3 μg/m3 (5) 20.0
 
Sept. 19, 2019, 1 p.m. N/A 21.4 ppb (20) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.2 ppb (2) 9.0 μg/m3 (8) 1.7 μg/m3 (7) 20.0
 
Sept. 19, 2019, noon N/A 17.6 ppb (16) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.21 ppb (2) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 16.0
 
Sept. 19, 2019, 11 a.m. N/A 14.5 ppb (13) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.23 ppb (3) 15.0 μg/m3 (14) 3.2 μg/m3 (13) 14.0
 
Sept. 19, 2019, 10 a.m. N/A 12.1 ppb (11) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.23 ppb (3) 5.0 μg/m3 (5) 3.7 μg/m3 (15) 15.0
 
Sept. 19, 2019, 9 a.m. N/A 16.9 ppb (16) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) 0.25 ppb (3) 13.0 μg/m3 (12) 3.2 μg/m3 (13) 16.0
 
Sept. 19, 2019, 8 a.m. N/A 5.3 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 1.0 ppb (1) 0.21 ppb (2) 24.0 μg/m3 (22) 4.6 μg/m3 (19) 22.0
 
Sept. 19, 2019, 7 a.m. N/A 1.3 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 3.0 ppb (2) 0.16 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2019, 6 a.m. N/A 0.8 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 6.0 ppb (5) 0.17 ppb (2) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2019, 5 a.m. N/A 1.1 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 6.0 ppb (5) 0.18 ppb (2) 15.0 μg/m3 (14) 5.6 μg/m3 (23) 23.0
 
Sept. 19, 2019, 4 a.m. N/A 1.4 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 6.0 ppb (5) 0.14 ppb (2) 6.0 μg/m3 (5) 3.1 μg/m3 (13) 13.0
 
Sept. 19, 2019, 3 a.m. N/A 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.13 ppb (1) 4.0 μg/m3 (4) 1.7 μg/m3 (7) 10.0
 
Sept. 19, 2019, 2 a.m. N/A 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) 9.0 μg/m3 (8) 1.3 μg/m3 (5) 13.0
 
Sept. 19, 2019, 1 a.m. N/A 1.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) 0.11 ppb (1) 11.0 μg/m3 (10) 1.3 μg/m3 (5) 18.0
 
Sept. 19, 2019, midnight N/A 1.7 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.11 ppb (1) 5.0 μg/m3 (5) 1.4 μg/m3 (6) 18.0
 
Sept. 18, 2019, 11 p.m. N/A 1.8 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) 0.11 ppb (1) 14.0 μg/m3 (13) 1.5 μg/m3 (6) 18.0
 
Sept. 18, 2019, 10 p.m. N/A 2.4 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 23.0 ppb (18) 0.11 ppb (1) 7.0 μg/m3 (6) 1.4 μg/m3 (6) 18.0
 
Sept. 18, 2019, 9 p.m. N/A 1.9 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) 0.11 ppb (1) 5.0 μg/m3 (5) 1.4 μg/m3 (6) 18.0
 
Sept. 18, 2019, 8 p.m. N/A 2.9 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 22.0 ppb (17) 0.11 ppb (1) 5.0 μg/m3 (5) 1.4 μg/m3 (6) 17.0
 
Sept. 18, 2019, 7 p.m. N/A 2.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 17.0 ppb (13) 0.1 ppb (1) 6.0 μg/m3 (5) 1.2 μg/m3 (5) 13.0
 
Sept. 18, 2019, 6 p.m. N/A 8.0 ppb (7) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 11.0 ppb (8) 0.12 ppb (1) 5.0 μg/m3 (5) 1.4 μg/m3 (6) 8.0
 
Sept. 18, 2019, 5 p.m. N/A 10.6 ppb (10) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (5) 0.13 ppb (1) 10.0 μg/m3 (9) 1.6 μg/m3 (7) 10.0
 
Sept. 18, 2019, 4 p.m. N/A 10.4 ppb (10) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 4.0 ppb (3) 0.14 ppb (2) 10.0 μg/m3 (9) 1.5 μg/m3 (6) 10.0
 
Sept. 18, 2019, 3 p.m. N/A 11.5 ppb (11) N/A 8.0 ppb (7) N/A N/A 4.0 ppb (3) 0.16 ppb (2) 10.0 μg/m3 (9) 1.4 μg/m3 (6) 11.0
 
Sept. 18, 2019, 2 p.m. N/A 6.8 ppb (6) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 14.0 μg/m3 (13) 1.8 μg/m3 (8) 13.0
 
Sept. 18, 2019, 1 p.m. N/A 1.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 2.0 ppb (2) 0.13 ppb (1) 9.0 μg/m3 (8) 1.5 μg/m3 (6) 8.0
 
Sept. 18, 2019, noon N/A 3.5 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 4.0 ppb (3) 0.11 ppb (1) 5.0 μg/m3 (5) 1.1 μg/m3 (5) 5.0
 
Sept. 18, 2019, 11 a.m. N/A 0.9 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.1 ppb (1) 6.0 μg/m3 (5) 1.1 μg/m3 (5) 6.0
 
Sept. 18, 2019, 10 a.m. N/A 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 7.0 ppb (5) 0.1 ppb (1) 7.0 μg/m3 (6) 1.3 μg/m3 (5) 6.0
 
Sept. 18, 2019, 9 a.m. N/A 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 7.0 ppb (5) 0.1 ppb (1) 10.0 μg/m3 (9) 1.2 μg/m3 (5) 9.0
 
Sept. 18, 2019, 8 a.m. N/A 1.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 7.0 ppb (5) 0.09 ppb (1) 6.0 μg/m3 (5) 1.2 μg/m3 (5) 5.0
 
Sept. 18, 2019, 7 a.m. N/A 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 8.0 ppb (6) 0.1 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 6.0
 
Sept. 18, 2019, 6 a.m. N/A 0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) 0.1 ppb (1) 6.0 μg/m3 (5) 1.2 μg/m3 (5) 7.0
 
Sept. 18, 2019, 5 a.m. N/A 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) 6.0 μg/m3 (5) 1.1 μg/m3 (5) 8.0
 
Sept. 18, 2019, 4 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (7) 0.11 ppb (1) 5.0 μg/m3 (5) 1.2 μg/m3 (5) 7.0
 
Sept. 18, 2019, 3 a.m. N/A 0.9 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (6) 0.11 ppb (1) 7.0 μg/m3 (6) 1.3 μg/m3 (5) 7.0
 
Sept. 18, 2019, 2 a.m. N/A 0.9 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) 0.11 ppb (1) 6.0 μg/m3 (5) 1.5 μg/m3 (6) 7.0
 
Sept. 18, 2019, 1 a.m. N/A 1.3 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (8) 0.12 ppb (1) 6.0 μg/m3 (5) 1.4 μg/m3 (6) 8.0
 
Sept. 18, 2019, midnight N/A 1.8 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (8) 0.14 ppb (2) 11.0 μg/m3 (10) 1.6 μg/m3 (7) 10.0
 
Sept. 17, 2019, 11 p.m. N/A 1.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (12) 0.11 ppb (1) 4.0 μg/m3 (4) 1.4 μg/m3 (6) 12.0
 
Sept. 17, 2019, 10 p.m. N/A 2.1 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.11 ppb (1) 6.0 μg/m3 (5) 1.7 μg/m3 (7) 9.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.2 μg/m3 (9) 13.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.8 μg/m3 (8) 8.0
 
Sept. 17, 2019, 7 p.m. N/A 1.8 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) 4.0 μg/m3 (4) 1.1 μg/m3 (5) 8.0
 
Sept. 17, 2019, 6 p.m. N/A 3.3 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (6) 0.11 ppb (1) 8.0 μg/m3 (7) 1.5 μg/m3 (6) 7.0
 
Sept. 17, 2019, 5 p.m. N/A 3.4 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 6.0 ppb (5) 0.11 ppb (1) 6.0 μg/m3 (5) 1.8 μg/m3 (8) 8.0
 
Sept. 17, 2019, 4 p.m. N/A 5.3 ppb (5) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 5.0 ppb (4) 0.12 ppb (1) 8.0 μg/m3 (7) 1.5 μg/m3 (6) 8.0
 
Sept. 17, 2019, 3 p.m. N/A 2.5 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 3.0 ppb (2) 0.11 ppb (1) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
Sept. 17, 2019, 2 p.m. N/A 3.9 ppb (4) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) N/A 13.0 μg/m3 (12) 2.1 μg/m3 (9) 12.0
 
Sept. 17, 2019, 1 p.m. N/A 4.6 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 1.0 ppb (1) 0.12 ppb (1) 12.0 μg/m3 (11) 1.6 μg/m3 (7) 11.0
 
Sept. 17, 2019, noon N/A 1.8 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 1.0 ppb (1) 0.11 ppb (1) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
Sept. 17, 2019, 11 a.m. N/A 0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (5) 0.09 ppb (1) 6.0 μg/m3 (5) 1.3 μg/m3 (5) 6.0
 
Sept. 17, 2019, 10 a.m. N/A 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 7.0 ppb (5) 0.1 ppb (1) 8.0 μg/m3 (7) 1.8 μg/m3 (8) 8.0
 
Sept. 17, 2019, 9 a.m. N/A 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 8.0 ppb (6) 0.11 ppb (1) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
Sept. 17, 2019, 8 a.m. N/A 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 9.0 ppb (7) 0.11 ppb (1) 7.0 μg/m3 (6) 1.9 μg/m3 (8) 8.0
 
Sept. 17, 2019, 7 a.m. N/A 0.1 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 6.0 ppb (5) 0.14 ppb (2) 6.0 μg/m3 (5) 2.7 μg/m3 (11) 11.0
 
Sept. 17, 2019, 6 a.m. N/A 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 7.0 ppb (5) 0.14 ppb (2) 9.0 μg/m3 (8) 2.9 μg/m3 (12) 12.0
 
Sept. 17, 2019, 5 a.m. N/A -0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 8.0 ppb (6) 0.13 ppb (1) 10.0 μg/m3 (9) 3.1 μg/m3 (13) 13.0
 
Sept. 17, 2019, 4 a.m. N/A -0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) 0.11 ppb (1) 8.0 μg/m3 (7) 2.9 μg/m3 (12) 12.0
 
Sept. 17, 2019, 3 a.m. N/A 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (11) 0.12 ppb (1) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 11.0
 
Sept. 17, 2019, 2 a.m. N/A 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.13 ppb (1) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 11.0
 
Sept. 17, 2019, 1 a.m. N/A 1.1 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Sept. 17, 2019, midnight N/A 5.9 ppb (5) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.14 ppb (2) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 13.0
 
Sept. 16, 2019, 11 p.m. N/A 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.12 ppb (1) 5.0 μg/m3 (5) 2.9 μg/m3 (12) 17.0
 
Sept. 16, 2019, 10 p.m. N/A 1.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.13 ppb (1) 14.0 μg/m3 (13) 4.8 μg/m3 (20) 20.0
 
Sept. 16, 2019, 9 p.m. N/A 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) 0.11 ppb (1) 9.0 μg/m3 (8) 3.7 μg/m3 (15) 15.0
 
Sept. 16, 2019, 8 p.m. N/A 2.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) 7.0 μg/m3 (6) 3.2 μg/m3 (13) 17.0
 
Sept. 16, 2019, 7 p.m. N/A 3.2 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 19.0 ppb (15) 0.11 ppb (1) 8.0 μg/m3 (7) 3.1 μg/m3 (13) 15.0
 
Sept. 16, 2019, 6 p.m. N/A 3.2 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 14.0 ppb (11) 0.12 ppb (1) 5.0 μg/m3 (5) 3.6 μg/m3 (15) 15.0
 
Sept. 16, 2019, 5 p.m. N/A 5.4 ppb (5) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (8) 0.14 ppb (2) 7.0 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
Sept. 16, 2019, 4 p.m. N/A 10.0 ppb (9) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (5) 0.16 ppb (2) 4.0 μg/m3 (4) 3.3 μg/m3 (14) 14.0
 
Sept. 16, 2019, 3 p.m. N/A 6.6 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (4) 0.15 ppb (2) 23.0 μg/m3 (21) 2.2 μg/m3 (9) 21.0
 
Sept. 16, 2019, 2 p.m. N/A 11.5 ppb (11) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 2.0 ppb (2) 0.15 ppb (2) 14.0 μg/m3 (13) 2.2 μg/m3 (9) 13.0
 
Sept. 16, 2019, 1 p.m. N/A 6.5 ppb (6) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) 0.17 ppb (2) 8.0 μg/m3 (7) 1.8 μg/m3 (8) 11.0
 
Sept. 16, 2019, noon N/A 0.7 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 2.0 ppb (2) 0.11 ppb (1) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Sept. 16, 2019, 11 a.m. N/A 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.12 ppb (1) 5.0 μg/m3 (5) 1.6 μg/m3 (7) 7.0
 
Sept. 16, 2019, 10 a.m. N/A 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 7.0 ppb (5) N/A 4.0 μg/m3 (4) 1.6 μg/m3 (7) 7.0
 
Sept. 16, 2019, 9 a.m. N/A 0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.11 ppb (1) 8.0 μg/m3 (7) 1.9 μg/m3 (8) 8.0
 
Sept. 16, 2019, 8 a.m. N/A 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.12 ppb (1) 12.0 μg/m3 (11) 1.8 μg/m3 (8) 11.0
 
Sept. 16, 2019, 7 a.m. N/A 0.2 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 5.0 ppb (4) 0.14 ppb (2) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Sept. 16, 2019, 6 a.m. N/A 0.1 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 7.0 ppb (5) 0.14 ppb (2) 10.0 μg/m3 (9) 2.8 μg/m3 (12) 12.0
 
Sept. 16, 2019, 5 a.m. N/A 0.2 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 7.0 ppb (5) 0.17 ppb (2) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2019, 4 a.m. N/A 0.1 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (7) 0.17 ppb (2) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
Sept. 16, 2019, 3 a.m. N/A 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) 12.0 μg/m3 (11) 2.5 μg/m3 (10) 12.0
 
Sept. 16, 2019, 2 a.m. N/A -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) 9.0 μg/m3 (8) 2.5 μg/m3 (10) 15.0
 
Sept. 16, 2019, 1 a.m. N/A -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.08 ppb (1) 1.0 μg/m3 (1) 0.7 μg/m3 (3) 25.0
 
Sept. 16, 2019, midnight N/A -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.08 ppb (1) 0.0 μg/m3 (0) 0.7 μg/m3 (3) 27.0
 
Sept. 15, 2019, 11 p.m. N/A -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.08 ppb (1) 0.0 μg/m3 (0) 0.8 μg/m3 (3) 27.0
 
Sept. 15, 2019, 10 p.m. N/A 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.09 ppb (1) 5.0 μg/m3 (5) 1.3 μg/m3 (5) 24.0
 
Sept. 15, 2019, 9 p.m. N/A -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.09 ppb (1) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 24.0
 
Sept. 15, 2019, 8 p.m. N/A -0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.09 ppb (1) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 24.0
 
Sept. 15, 2019, 7 p.m. N/A -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 5.0 μg/m3 (5) 2.1 μg/m3 (9) 21.0