AQSQID: 000101005

Site Name: Abbotsford Airport

Location: Abbotsford (S Poplar), CC

Reporting: True, Located: True

Current AQI: 14.0

Abbotsford (S Poplar) CC, CA: 49.021506, -122.326556

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 25, 2020, 9 p.m. N/A 4.2 ppb (4) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (10) 0.15 ppb (2) 9.0 μg/m3 (8) 3.3 μg/m3 (14) 14.0
 
Jan. 25, 2020, 8 p.m. N/A 5.0 ppb (5) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (8) 0.15 ppb (2) 7.0 μg/m3 (6) 4.7 μg/m3 (20) 20.0
 
Jan. 25, 2020, 7 p.m. N/A 2.6 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (9) 0.13 ppb (1) 5.0 μg/m3 (5) 2.1 μg/m3 (9) 9.0
 
Jan. 25, 2020, 6 p.m. N/A 2.1 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (11) 0.11 ppb (1) 7.0 μg/m3 (6) 1.4 μg/m3 (6) 11.0
 
Jan. 25, 2020, 5 p.m. N/A 1.9 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 12.0 ppb (9) 0.14 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 4 p.m. N/A 0.9 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) 5.0 μg/m3 (5) 3.2 μg/m3 (13) 13.0
 
Jan. 25, 2020, 3 p.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 19.0 ppb (15) 0.11 ppb (1) 3.0 μg/m3 (3) 1.1 μg/m3 (5) 15.0
 
Jan. 25, 2020, 2 p.m. N/A 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) 0.09 ppb (1) 3.0 μg/m3 (3) 0.2 μg/m3 (1) 19.0
 
Jan. 25, 2020, 1 p.m. N/A 0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 21.0 ppb (16) 0.1 ppb (1) 3.0 μg/m3 (3) 1.4 μg/m3 (6) 16.0
 
Jan. 25, 2020, noon N/A 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 16.0 ppb (12) 0.12 ppb (1) 3.0 μg/m3 (3) 4.4 μg/m3 (18) 18.0
 
Jan. 25, 2020, 11 a.m. N/A 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) 0.09 ppb (1) 2.0 μg/m3 (2) 2.0 μg/m3 (8) 17.0
 
Jan. 25, 2020, 10 a.m. N/A 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 17.0 ppb (13) 0.11 ppb (1) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, 9 a.m. N/A 1.5 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (8) 0.14 ppb (2) 2.0 μg/m3 (2) 5.4 μg/m3 (23) 23.0
 
Jan. 25, 2020, 8 a.m. N/A 0.8 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (9) 0.14 ppb (2) 3.0 μg/m3 (3) 5.3 μg/m3 (22) 22.0
 
Jan. 25, 2020, 7 a.m. N/A 1.1 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 8.0 ppb (6) 0.16 ppb (2) 6.0 μg/m3 (5) 5.7 μg/m3 (24) 24.0
 
Jan. 25, 2020, 6 a.m. N/A 3.6 ppb (3) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 2.0 ppb (2) 0.2 ppb (2) 7.0 μg/m3 (6) 5.6 μg/m3 (23) 23.0
 
Jan. 25, 2020, 5 a.m. N/A 4.7 ppb (4) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 4.0 ppb (3) 0.25 ppb (3) 8.0 μg/m3 (7) 4.7 μg/m3 (20) 20.0
 
Jan. 25, 2020, 4 a.m. N/A 0.8 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 10.0 ppb (8) 0.17 ppb (2) 10.0 μg/m3 (9) 2.6 μg/m3 (11) 13.0
 
Jan. 25, 2020, 3 a.m. N/A 2.6 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 14.0 ppb (11) 0.14 ppb (2) 15.0 μg/m3 (14) 2.9 μg/m3 (12) 14.0
 
Jan. 25, 2020, 2 a.m. N/A 0.3 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 22.0 ppb (17) 0.13 ppb (1) 8.0 μg/m3 (7) 1.8 μg/m3 (8) 17.0
 
Jan. 25, 2020, 1 a.m. N/A 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 28.0 ppb (22) 0.13 ppb (1) 6.0 μg/m3 (5) 1.6 μg/m3 (7) 22.0
 
Jan. 25, 2020, midnight N/A 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) 0.11 ppb (1) 5.0 μg/m3 (5) 1.3 μg/m3 (5) 23.0
 
Jan. 24, 2020, 11 p.m. N/A 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 29.0 ppb (22) 0.12 ppb (1) 6.0 μg/m3 (5) 1.2 μg/m3 (5) 22.0
 
Jan. 24, 2020, 10 p.m. N/A 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) 0.11 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 22.0
 
Jan. 24, 2020, 9 p.m. N/A 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) 0.1 ppb (1) 5.0 μg/m3 (5) 0.8 μg/m3 (3) 24.0
 
Jan. 24, 2020, 8 p.m. N/A 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) 0.09 ppb (1) 5.0 μg/m3 (5) 1.1 μg/m3 (5) 25.0
 
Jan. 24, 2020, 7 p.m. N/A 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) 0.1 ppb (1) 4.0 μg/m3 (4) 0.6 μg/m3 (2) 25.0
 
Jan. 24, 2020, 6 p.m. N/A 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) 0.09 ppb (1) 3.0 μg/m3 (3) 0.7 μg/m3 (3) 25.0
 
Jan. 24, 2020, 5 p.m. N/A 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) 0.09 ppb (1) 4.0 μg/m3 (4) 0.9 μg/m3 (4) 24.0
 
Jan. 24, 2020, 4 p.m. N/A 0.3 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.09 ppb (1) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 22.0
 
Jan. 24, 2020, 3 p.m. N/A 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) 0.1 ppb (1) 5.0 μg/m3 (5) 1.3 μg/m3 (5) 15.0
 
Jan. 24, 2020, 2 p.m. N/A 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) 7.0 μg/m3 (6) 0.8 μg/m3 (3) 17.0
 
Jan. 24, 2020, 1 p.m. N/A 3.5 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (5) 0.12 ppb (1) 5.0 μg/m3 (5) 2.2 μg/m3 (9) 11.0
 
Jan. 24, 2020, noon N/A 0.8 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 4.0 ppb (3) 0.14 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Jan. 24, 2020, 11 a.m. N/A 2.7 ppb (3) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 2.0 ppb (2) 0.15 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 15.0
 
Jan. 24, 2020, 10 a.m. N/A 1.8 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 2.0 ppb (2) 0.14 ppb (2) 6.0 μg/m3 (5) 3.6 μg/m3 (15) 15.0
 
Jan. 24, 2020, 9 a.m. N/A 0.8 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (3) 0.14 ppb (2) 6.0 μg/m3 (5) 3.4 μg/m3 (14) 14.0
 
Jan. 24, 2020, 8 a.m. N/A 0.5 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (8) 0.11 ppb (1) 4.0 μg/m3 (4) 3.5 μg/m3 (15) 15.0
 
Jan. 24, 2020, 7 a.m. N/A 0.5 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) 4.0 μg/m3 (4) 1.7 μg/m3 (7) 11.0
 
Jan. 24, 2020, 6 a.m. N/A 0.8 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (8) 0.13 ppb (1) 5.0 μg/m3 (5) 2.4 μg/m3 (10) 10.0
 
Jan. 24, 2020, 5 a.m. N/A 0.9 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 9.0 ppb (7) 0.14 ppb (2) 7.0 μg/m3 (6) 3.9 μg/m3 (16) 16.0
 
Jan. 24, 2020, 4 a.m. N/A 1.0 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 10.0 ppb (8) 0.14 ppb (2) 5.0 μg/m3 (5) 3.2 μg/m3 (13) 13.0
 
Jan. 24, 2020, 3 a.m. N/A 1.6 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 12.0 ppb (9) 0.13 ppb (1) 5.0 μg/m3 (5) 2.3 μg/m3 (10) 12.0
 
Jan. 24, 2020, 2 a.m. N/A 0.7 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 15.0 ppb (12) 0.12 ppb (1) 3.0 μg/m3 (3) 1.4 μg/m3 (6) 12.0
 
Jan. 24, 2020, 1 a.m. N/A 3.4 ppb (3) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 5.0 ppb (4) 0.18 ppb (2) 9.0 μg/m3 (8) 5.8 μg/m3 (24) 24.0
 
Jan. 24, 2020, midnight N/A 7.0 ppb (6) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 2.0 ppb (2) 0.21 ppb (2) 10.0 μg/m3 (9) 21.7 μg/m3 (71) 71.0
 
Jan. 23, 2020, 11 p.m. N/A 4.7 ppb (4) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 6.0 ppb (5) 0.14 ppb (2) 5.0 μg/m3 (5) 2.2 μg/m3 (9) 18.0
 
Jan. 23, 2020, 10 p.m. N/A 4.6 ppb (4) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 9.0 ppb (7) 0.13 ppb (1) 6.0 μg/m3 (5) 2.4 μg/m3 (10) 17.0
 
Jan. 23, 2020, 9 p.m. N/A 8.5 ppb (8) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 5.0 ppb (4) 0.16 ppb (2) 7.0 μg/m3 (6) 4.3 μg/m3 (18) 18.0
 
Jan. 23, 2020, 8 p.m. N/A 18.5 ppb (17) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) 6.0 μg/m3 (5) 4.3 μg/m3 (18) 21.0
 
Jan. 23, 2020, 7 p.m. N/A 10.2 ppb (9) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 4.0 ppb (3) 0.16 ppb (2) 6.0 μg/m3 (5) 3.3 μg/m3 (14) 20.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.6 μg/m3 (15) 15.0
 
Jan. 23, 2020, 5 p.m. N/A 2.8 ppb (3) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 11.0 ppb (8) 0.13 ppb (1) 7.0 μg/m3 (6) 2.9 μg/m3 (12) 15.0
 
Jan. 23, 2020, 4 p.m. N/A 1.3 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 14.0 ppb (11) 0.1 ppb (1) 4.0 μg/m3 (4) 1.7 μg/m3 (7) 13.0
 
Jan. 23, 2020, 3 p.m. N/A 0.4 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 21.0 ppb (16) 0.09 ppb (1) 4.0 μg/m3 (4) 0.9 μg/m3 (4) 16.0
 
Jan. 23, 2020, 2 p.m. N/A 0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) 0.1 ppb (1) 3.0 μg/m3 (3) 0.9 μg/m3 (4) 15.0
 
Jan. 23, 2020, 1 p.m. N/A 1.1 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) 0.11 ppb (1) 3.0 μg/m3 (3) 1.3 μg/m3 (5) 15.0
 
Jan. 23, 2020, noon N/A 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) 0.11 ppb (1) 2.0 μg/m3 (2) 0.7 μg/m3 (3) 17.0
 
Jan. 23, 2020, 11 a.m. N/A 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 23.0 ppb (18) 0.1 ppb (1) 3.0 μg/m3 (3) 0.7 μg/m3 (3) 18.0
 
Jan. 23, 2020, 10 a.m. N/A 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 24.0 ppb (18) 0.1 ppb (1) 3.0 μg/m3 (3) 0.6 μg/m3 (2) 18.0
 
Jan. 23, 2020, 9 a.m. N/A 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) 0.1 ppb (1) 2.0 μg/m3 (2) 0.3 μg/m3 (1) 20.0
 
Jan. 23, 2020, 8 a.m. N/A 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) 0.09 ppb (1) 2.0 μg/m3 (2) 0.5 μg/m3 (2) 22.0
 
Jan. 23, 2020, 7 a.m. N/A 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 25.0 ppb (19) 0.09 ppb (1) 2.0 μg/m3 (2) 0.9 μg/m3 (4) 19.0
 
Jan. 23, 2020, 6 a.m. N/A 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 24.0 ppb (18) 0.09 ppb (1) 3.0 μg/m3 (3) 0.7 μg/m3 (3) 18.0
 
Jan. 23, 2020, 5 a.m. N/A 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 24.0 ppb (18) 0.1 ppb (1) 3.0 μg/m3 (3) 0.8 μg/m3 (3) 18.0
 
Jan. 23, 2020, 4 a.m. N/A 0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 25.0 ppb (19) 0.11 ppb (1) 3.0 μg/m3 (3) 0.5 μg/m3 (2) 19.0
 
Jan. 23, 2020, 3 a.m. N/A 0.7 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) 0.11 ppb (1) 4.0 μg/m3 (4) 1.3 μg/m3 (5) 16.0
 
Jan. 23, 2020, 2 a.m. N/A 0.8 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 18.0 ppb (14) 0.13 ppb (1) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 14.0
 
Jan. 23, 2020, 1 a.m. N/A 1.0 ppb (1) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 14.0 ppb (11) 0.15 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 14.0
 
Jan. 23, 2020, midnight N/A 3.1 ppb (3) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 7.0 ppb (5) 0.17 ppb (2) 6.0 μg/m3 (5) 5.2 μg/m3 (22) 22.0
 
Jan. 22, 2020, 11 p.m. N/A 2.7 ppb (3) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 12.0 ppb (9) 0.16 ppb (2) 5.0 μg/m3 (5) 3.7 μg/m3 (15) 15.0
 
Jan. 22, 2020, 10 p.m. N/A 2.3 ppb (2) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 14.0 ppb (11) 0.14 ppb (2) 6.0 μg/m3 (5) 3.9 μg/m3 (16) 16.0
 
Jan. 22, 2020, 9 p.m. N/A 12.4 ppb (11) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 5.0 ppb (4) 0.2 ppb (2) 8.0 μg/m3 (7) 8.6 μg/m3 (36) 36.0
 
Jan. 22, 2020, 8 p.m. N/A 8.2 ppb (8) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 5.0 ppb (4) 0.2 ppb (2) 9.0 μg/m3 (8) 14.2 μg/m3 (55) 55.0
 
Jan. 22, 2020, 7 p.m. N/A 11.5 ppb (11) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 10.0 ppb (8) 0.15 ppb (2) 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 6 p.m. N/A 25.0 ppb (23) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 4.0 ppb (3) 0.25 ppb (3) 12.0 μg/m3 (11) 12.5 μg/m3 (51) 51.0
 
Jan. 22, 2020, 5 p.m. N/A 13.8 ppb (13) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 4.0 ppb (3) 0.25 ppb (3) 13.0 μg/m3 (12) 22.1 μg/m3 (71) 71.0
 
Jan. 22, 2020, 4 p.m. N/A 7.3 ppb (7) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 5.0 ppb (4) 0.21 ppb (2) 10.0 μg/m3 (9) 10.6 μg/m3 (44) 44.0
 
Jan. 22, 2020, 3 p.m. N/A 1.0 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) 0.12 ppb (1) 8.0 μg/m3 (7) 3.4 μg/m3 (14) 17.0
 
Jan. 22, 2020, 2 p.m. N/A 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) 0.1 ppb (1) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 25.0
 
Jan. 22, 2020, 1 p.m. N/A 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) 0.1 ppb (1) 6.0 μg/m3 (5) 1.6 μg/m3 (7) 25.0
 
Jan. 22, 2020, noon N/A 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) 0.11 ppb (1) 5.0 μg/m3 (5) 0.7 μg/m3 (3) 26.0
 
Jan. 22, 2020, 11 a.m. N/A 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) 5.0 μg/m3 (5) 1.3 μg/m3 (5) 26.0
 
Jan. 22, 2020, 10 a.m. N/A 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) 0.09 ppb (1) 7.0 μg/m3 (6) 2.5 μg/m3 (10) 26.0
 
Jan. 22, 2020, 9 a.m. N/A 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) 0.09 ppb (1) 6.0 μg/m3 (5) 2.7 μg/m3 (11) 26.0
 
Jan. 22, 2020, 8 a.m. N/A 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) 0.08 ppb (1) 4.0 μg/m3 (4) 1.4 μg/m3 (6) 25.0
 
Jan. 22, 2020, 7 a.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) 0.08 ppb (1) 4.0 μg/m3 (4) 1.2 μg/m3 (5) 26.0
 
Jan. 22, 2020, 6 a.m. N/A 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) 0.09 ppb (1) 5.0 μg/m3 (5) 1.5 μg/m3 (6) 25.0
 
Jan. 22, 2020, 5 a.m. N/A 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) 5.0 μg/m3 (5) 1.5 μg/m3 (6) 26.0
 
Jan. 22, 2020, 4 a.m. N/A 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) 0.09 ppb (1) 5.0 μg/m3 (5) 1.5 μg/m3 (6) 27.0
 
Jan. 22, 2020, 3 a.m. N/A 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) 3.0 μg/m3 (3) 1.8 μg/m3 (8) 28.0
 
Jan. 22, 2020, 2 a.m. N/A 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) 0.09 ppb (1) 3.0 μg/m3 (3) 1.9 μg/m3 (8) 28.0
 
Jan. 22, 2020, 1 a.m. N/A 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) 0.09 ppb (1) 3.0 μg/m3 (3) 1.3 μg/m3 (5) 27.0
 
Jan. 22, 2020, midnight N/A 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) 4.0 μg/m3 (4) 1.1 μg/m3 (5) 27.0
 
Jan. 21, 2020, 11 p.m. N/A 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) 0.09 ppb (1) 4.0 μg/m3 (4) 1.4 μg/m3 (6) 28.0
 
Jan. 21, 2020, 10 p.m. N/A 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) 0.09 ppb (1) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 28.0
 
Jan. 21, 2020, 9 p.m. N/A 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) 2.0 μg/m3 (2) 1.2 μg/m3 (5) 29.0
 
Jan. 21, 2020, 8 p.m. N/A 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) 3.0 μg/m3 (3) 1.6 μg/m3 (7) 31.0
 
Jan. 21, 2020, 7 p.m. N/A 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) 1.0 μg/m3 (1) 1.4 μg/m3 (6) 31.0
 
Jan. 21, 2020, 6 p.m. N/A 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) 0.09 ppb (1) N/A 0.8 μg/m3 (3) 32.0
 
Jan. 21, 2020, 5 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.07 ppb (1) N/A 0.8 μg/m3 (3) 31.0
 
Jan. 21, 2020, 4 p.m. N/A 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.07 ppb (1) 3.0 μg/m3 (3) N/A 31.0
 
Jan. 21, 2020, 3 p.m. N/A 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.08 ppb (1) 7.0 μg/m3 (6) N/A 22.0
 
Jan. 21, 2020, 2 p.m. N/A 1.7 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 17.0 ppb (13) 0.1 ppb (1) 5.0 μg/m3 (5) 2.7 μg/m3 (11) 13.0
 
Jan. 21, 2020, 1 p.m. N/A 0.9 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 15.0 ppb (12) 0.12 ppb (1) 5.0 μg/m3 (5) 2.9 μg/m3 (12) 12.0
 
Jan. 21, 2020, noon N/A 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) 0.11 ppb (1) 3.0 μg/m3 (3) 2.2 μg/m3 (9) 18.0
 
Jan. 21, 2020, 11 a.m. N/A 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) 1.0 μg/m3 (1) 2.1 μg/m3 (9) 17.0
 
Jan. 21, 2020, 10 a.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 20.0 ppb (15) 0.11 ppb (1) 1.0 μg/m3 (1) 2.2 μg/m3 (9) 15.0
 
Jan. 21, 2020, 9 a.m. N/A 0.9 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 19.0 ppb (15) 0.11 ppb (1) 1.0 μg/m3 (1) 2.7 μg/m3 (11) 15.0
 
Jan. 21, 2020, 8 a.m. N/A 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) 0.1 ppb (1) 0.0 μg/m3 (0) 2.1 μg/m3 (9) 16.0
 
Jan. 21, 2020, 7 a.m. N/A 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 20.0 ppb (15) 0.1 ppb (1) 1.0 μg/m3 (1) 2.3 μg/m3 (10) 15.0
 
Jan. 21, 2020, 6 a.m. N/A 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 23.0 ppb (18) 0.08 ppb (1) 1.0 μg/m3 (1) 2.0 μg/m3 (8) 18.0
 
Jan. 21, 2020, 5 a.m. N/A 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) 0.07 ppb (1) 1.0 μg/m3 (1) 2.2 μg/m3 (9) 16.0
 
Jan. 21, 2020, 4 a.m. N/A 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) 0.08 ppb (1) 1.0 μg/m3 (1) 2.1 μg/m3 (9) 17.0
 
Jan. 21, 2020, 3 a.m. N/A 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 22.0 ppb (17) 0.08 ppb (1) 2.0 μg/m3 (2) 2.3 μg/m3 (10) 17.0
 
Jan. 21, 2020, 2 a.m. N/A 2.1 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 12.0 ppb (9) 0.12 ppb (1) 3.0 μg/m3 (3) 4.8 μg/m3 (20) 20.0
 
Jan. 21, 2020, 1 a.m. N/A 3.0 ppb (3) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 9.0 ppb (7) 0.16 ppb (2) 2.0 μg/m3 (2) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, midnight N/A 5.1 ppb (5) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 14.0 ppb (11) 0.12 ppb (1) 6.0 μg/m3 (5) 3.4 μg/m3 (14) 14.0
 
Jan. 20, 2020, 11 p.m. N/A 13.6 ppb (13) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 2.0 ppb (2) 0.21 ppb (2) 6.0 μg/m3 (5) 6.1 μg/m3 (25) 25.0
 
Jan. 20, 2020, 10 p.m. N/A 12.2 ppb (11) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 6.0 ppb (5) 0.15 ppb (2) 7.0 μg/m3 (6) 4.9 μg/m3 (20) 20.0
 
Jan. 20, 2020, 9 p.m. N/A 23.3 ppb (22) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (2) 0.22 ppb (2) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 8 p.m. N/A 13.1 ppb (12) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 5.0 ppb (4) 0.17 ppb (2) 8.0 μg/m3 (7) 5.1 μg/m3 (21) 21.0
 
Jan. 20, 2020, 7 p.m. N/A 19.5 ppb (18) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 3.0 ppb (2) 0.16 ppb (2) 9.0 μg/m3 (8) 5.3 μg/m3 (22) 22.0
 
Jan. 20, 2020, 6 p.m. N/A 16.0 ppb (15) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.18 ppb (2) 8.0 μg/m3 (7) 5.1 μg/m3 (21) 21.0
 
Jan. 20, 2020, 5 p.m. N/A 7.7 ppb (7) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 3.0 ppb (2) 0.17 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 18.0
 
Jan. 20, 2020, 4 p.m. N/A 3.4 ppb (3) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (3) 0.15 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 17.0
 
Jan. 20, 2020, 3 p.m. N/A 3.7 ppb (3) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 2.0 ppb (2) 0.18 ppb (2) 10.0 μg/m3 (9) 3.4 μg/m3 (14) 18.0
 
Jan. 20, 2020, 2 p.m. N/A 1.6 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 9.0 ppb (7) 0.11 ppb (1) 8.0 μg/m3 (7) 3.1 μg/m3 (13) 13.0
 
Jan. 20, 2020, 1 p.m. N/A 0.6 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 16.0 ppb (12) 0.1 ppb (1) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 12.0
 
Jan. 20, 2020, noon N/A 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 15.0 ppb (12) 0.11 ppb (1) 4.0 μg/m3 (4) 2.2 μg/m3 (9) 12.0
 
Jan. 20, 2020, 11 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (8) 0.11 ppb (1) 7.0 μg/m3 (6) 3.1 μg/m3 (13) 13.0
 
Jan. 20, 2020, 10 a.m. N/A 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) 0.08 ppb (1) 2.0 μg/m3 (2) 1.4 μg/m3 (6) 16.0
 
Jan. 20, 2020, 9 a.m. N/A 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) 0.08 ppb (1) 3.0 μg/m3 (3) 1.7 μg/m3 (7) 15.0
 
Jan. 20, 2020, 8 a.m. N/A 1.0 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 17.0 ppb (13) 0.09 ppb (1) 2.0 μg/m3 (2) 1.9 μg/m3 (8) 13.0
 
Jan. 20, 2020, 7 a.m. N/A 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) 0.08 ppb (1) 2.0 μg/m3 (2) 2.2 μg/m3 (9) 15.0
 
Jan. 20, 2020, 6 a.m. N/A 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 23.0 ppb (18) 0.08 ppb (1) 1.0 μg/m3 (1) 1.5 μg/m3 (6) 18.0
 
Jan. 20, 2020, 5 a.m. N/A 0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 21.0 ppb (16) 0.1 ppb (1) 2.0 μg/m3 (2) 1.8 μg/m3 (8) 16.0
 
Jan. 20, 2020, 4 a.m. N/A 0.5 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) 0.11 ppb (1) 5.0 μg/m3 (5) 2.3 μg/m3 (10) 15.0
 
Jan. 20, 2020, 3 a.m. N/A 0.7 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 11.0 ppb (8) 0.15 ppb (2) 2.0 μg/m3 (2) 4.5 μg/m3 (19) 19.0
 
Jan. 20, 2020, 2 a.m. N/A 1.1 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 13.0 ppb (10) 0.14 ppb (2) 5.0 μg/m3 (5) 4.7 μg/m3 (20) 20.0
 
Jan. 20, 2020, 1 a.m. N/A 1.4 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 9.0 ppb (7) 0.16 ppb (2) 6.0 μg/m3 (5) 5.5 μg/m3 (23) 23.0
 
Jan. 20, 2020, midnight N/A 2.0 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (8) 0.18 ppb (2) 12.0 μg/m3 (11) 5.3 μg/m3 (22) 22.0
 
Jan. 19, 2020, 11 p.m. N/A 5.0 ppb (5) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 10.0 ppb (8) 0.19 ppb (2) 11.0 μg/m3 (10) 6.3 μg/m3 (26) 26.0
 
Jan. 19, 2020, 10 p.m. N/A 1.8 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 19.0 ppb (15) 0.11 ppb (1) 4.0 μg/m3 (4) 2.9 μg/m3 (12) 15.0
 
Jan. 19, 2020, 9 p.m. N/A 5.7 ppb (5) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 13.0 ppb (10) 0.14 ppb (2) 6.0 μg/m3 (5) 6.1 μg/m3 (25) 25.0
 
Jan. 19, 2020, 8 p.m. N/A 5.7 ppb (5) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (8) 0.15 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 7 p.m. N/A 5.6 ppb (5) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 12.0 ppb (9) 0.15 ppb (2) 7.0 μg/m3 (6) 5.4 μg/m3 (23) 23.0
 
Jan. 19, 2020, 6 p.m. N/A 6.7 ppb (6) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 10.0 ppb (8) 0.16 ppb (2) 9.0 μg/m3 (8) 5.8 μg/m3 (24) 24.0
 
Jan. 19, 2020, 5 p.m. N/A 3.6 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) 0.14 ppb (2) 7.0 μg/m3 (6) 5.3 μg/m3 (22) 22.0
 
Jan. 19, 2020, 4 p.m. N/A 1.7 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) 0.14 ppb (2) 9.0 μg/m3 (8) 5.6 μg/m3 (23) 23.0
 
Jan. 19, 2020, 3 p.m. N/A 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.13 ppb (1) 5.0 μg/m3 (5) 4.5 μg/m3 (19) 19.0
 
Jan. 19, 2020, 2 p.m. N/A 0.5 ppb (0) 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) 4.9 μg/m3 (20) 20.0
 
Jan. 19, 2020, 1 p.m. N/A 0.9 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.13 ppb (1) 6.0 μg/m3 (5) 5.6 μg/m3 (23) 23.0
 
Jan. 19, 2020, noon N/A 0.9 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 9.0 ppb (7) 0.13 ppb (1) 4.0 μg/m3 (4) 5.4 μg/m3 (23) 23.0
 
Jan. 19, 2020, 11 a.m. N/A 1.5 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 10.0 ppb (8) 0.13 ppb (1) 6.0 μg/m3 (5) 7.3 μg/m3 (30) 30.0
 
Jan. 19, 2020, 10 a.m. N/A 1.6 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 5.0 ppb (4) 0.16 ppb (2) 6.0 μg/m3 (5) 8.8 μg/m3 (37) 37.0
 
Jan. 19, 2020, 9 a.m. N/A 0.9 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 10.0 ppb (8) 0.14 ppb (2) 4.0 μg/m3 (4) 6.6 μg/m3 (28) 28.0
 
Jan. 19, 2020, 8 a.m. N/A 0.8 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) 0.1 ppb (1) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 7 a.m. N/A 1.5 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 9.0 ppb (7) 0.15 ppb (2) 7.0 μg/m3 (6) 5.1 μg/m3 (21) 21.0
 
Jan. 19, 2020, 6 a.m. N/A 0.7 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 10.0 ppb (8) 0.15 ppb (2) 7.0 μg/m3 (6) 4.8 μg/m3 (20) 20.0
 
Jan. 19, 2020, 5 a.m. N/A 0.3 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 15.0 ppb (12) 0.12 ppb (1) 5.0 μg/m3 (5) 3.9 μg/m3 (16) 16.0
 
Jan. 19, 2020, 4 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 18.0 ppb (14) 0.11 ppb (1) 4.0 μg/m3 (4) 3.3 μg/m3 (14) 14.0
 
Jan. 19, 2020, 3 a.m. N/A 0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) 0.1 ppb (1) 4.0 μg/m3 (4) 2.9 μg/m3 (12) 16.0
 
Jan. 19, 2020, 2 a.m. N/A 0.5 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 20.0 ppb (15) 0.11 ppb (1) 4.0 μg/m3 (4) 2.8 μg/m3 (12) 15.0
 
Jan. 19, 2020, 1 a.m. N/A 0.8 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 12.0 ppb (9) 0.16 ppb (2) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, midnight N/A 1.4 ppb (1) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 14.0 ppb (11) 0.15 ppb (2) 6.0 μg/m3 (5) 4.8 μg/m3 (20) 20.0
 
Jan. 18, 2020, 11 p.m. N/A 2.5 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 19.0 ppb (15) 0.13 ppb (1) 7.0 μg/m3 (6) 5.3 μg/m3 (22) 22.0
 
Jan. 18, 2020, 10 p.m. N/A 2.9 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) 0.14 ppb (2) 7.0 μg/m3 (6) 6.1 μg/m3 (25) 25.0