ID: 2159

AQSQID: 000101005

Site Name: Abbotsford Airport

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 16, 2021, 5:31 p.m.

Location: Abbotsford (S Poplar), CC

Reporting: True, Located: True

Current AQI: 19.0

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. 16, 2021, 4 p.m. N/A 5.7 ppb (6) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 1.0 ppb (1) 0.2 ppb (3) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
Jan. 16, 2021, 3 p.m. N/A 5.9 ppb (6) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 1.0 ppb (1) 0.19 ppb (3) 7.9 μg/m3 (8) 3.8 μg/m3 (16) 16.0
 
Jan. 16, 2021, 2 p.m. N/A 3.9 ppb (4) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) 0.18 ppb (3) 6.6 μg/m3 (7) 3.9 μg/m3 (17) 17.0
 
Jan. 16, 2021, 1 p.m. N/A 3.7 ppb (4) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 1.0 ppb (1) 0.19 ppb (3) 8.1 μg/m3 (8) 4.4 μg/m3 (19) 19.0
 
Jan. 16, 2021, noon N/A 6.0 ppb (6) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.21 ppb (3) 9.8 μg/m3 (10) 4.4 μg/m3 (19) 19.0
 
Jan. 16, 2021, 11 a.m. N/A 2.4 ppb (3) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 1.0 ppb (1) 0.2 ppb (3) 10.1 μg/m3 (10) 4.6 μg/m3 (20) 20.0
 
Jan. 16, 2021, 10 a.m. N/A 3.0 ppb (3) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 3.0 ppb (3) 0.19 ppb (3) 10.3 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
Jan. 16, 2021, 9 a.m. N/A 6.0 ppb (6) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.21 ppb (3) 10.0 μg/m3 (10) 5.8 μg/m3 (25) 25.0
 
Jan. 16, 2021, 8 a.m. N/A 8.0 ppb (8) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.23 ppb (3) 8.6 μg/m3 (8) 5.8 μg/m3 (25) 25.0
 
Jan. 16, 2021, 7 a.m. N/A 3.0 ppb (3) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 1.0 ppb (1) 0.2 ppb (3) 8.6 μg/m3 (8) 4.7 μg/m3 (20) 20.0
 
Jan. 16, 2021, 6 a.m. N/A 4.9 ppb (5) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 2.0 ppb (2) 0.23 ppb (3) 15.2 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 5 a.m. N/A 5.9 ppb (6) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 2.0 ppb (2) 0.27 ppb (4) 18.3 μg/m3 (17) 6.8 μg/m3 (29) 29.0
 
Jan. 16, 2021, 4 a.m. N/A 8.8 ppb (9) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 0.29 ppb (4) 32.8 μg/m3 (31) 9.8 μg/m3 (41) 41.0
 
Jan. 16, 2021, 3 a.m. N/A 3.5 ppb (4) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 3.0 ppb (3) 0.28 ppb (4) 46.2 μg/m3 (43) 14.6 μg/m3 (57) 57.0
 
Jan. 16, 2021, 2 a.m. N/A 0.7 ppb (1) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 12.0 ppb (12) 0.21 ppb (3) 39.8 μg/m3 (37) 17.2 μg/m3 (62) 62.0
 
Jan. 16, 2021, 1 a.m. N/A 2.0 ppb (2) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 14.0 ppb (13) 0.25 ppb (3) 43.8 μg/m3 (41) 31.2 μg/m3 (92) 92.0
 
Jan. 16, 2021, midnight N/A 0.7 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (26) 0.21 ppb (3) 39.7 μg/m3 (37) N/A 37.0
 
Jan. 15, 2021, 11 p.m. N/A 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 33.0 ppb (31) 0.15 ppb (2) 20.2 μg/m3 (19) 20.0 μg/m3 (68) 68.0
 
Jan. 15, 2021, 10 p.m. N/A 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 31.0 ppb (29) 0.12 ppb (2) 17.1 μg/m3 (16) 14.8 μg/m3 (57) 57.0
 
Jan. 15, 2021, 9 p.m. N/A 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 15.3 μg/m3 (15) 13.6 μg/m3 (55) 55.0
 
Jan. 15, 2021, 8 p.m. N/A 2.7 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) 0.12 ppb (2) 10.0 μg/m3 (10) 7.4 μg/m3 (31) 31.0
 
Jan. 15, 2021, 7 p.m. N/A 5.4 ppb (6) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (15) 0.14 ppb (2) 7.9 μg/m3 (8) 4.9 μg/m3 (21) 21.0
 
Jan. 15, 2021, 6 p.m. N/A 56.4 ppb (54) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 5.0 ppb (5) 0.33 ppb (4) 16.3 μg/m3 (16) 7.3 μg/m3 (31) 54.0
 
Jan. 15, 2021, 5 p.m. N/A 33.1 ppb (32) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 2.0 ppb (2) 0.26 ppb (4) 19.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
Jan. 15, 2021, 4 p.m. N/A 7.4 ppb (7) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 3.0 ppb (3) 0.13 ppb (2) 8.8 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
Jan. 15, 2021, 3 p.m. N/A 2.6 ppb (3) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 3.0 ppb (3) 0.12 ppb (2) 9.6 μg/m3 (9) 2.3 μg/m3 (10) 16.0
 
Jan. 15, 2021, 2 p.m. N/A 2.0 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (7) 0.12 ppb (2) 8.9 μg/m3 (9) 2.6 μg/m3 (11) 12.0
 
Jan. 15, 2021, 1 p.m. N/A 3.3 ppb (4) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 10.0 ppb (10) 0.12 ppb (2) 7.5 μg/m3 (7) 2.0 μg/m3 (9) 10.0
 
Jan. 15, 2021, noon N/A 0.8 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (11) 0.12 ppb (2) 7.4 μg/m3 (7) 2.0 μg/m3 (9) 11.0
 
Jan. 15, 2021, 11 a.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) 0.1 ppb (2) 5.5 μg/m3 (6) 0.6 μg/m3 (3) 17.0
 
Jan. 15, 2021, 10 a.m. N/A 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (20) 0.1 ppb (2) 5.8 μg/m3 (6) 0.4 μg/m3 (2) 20.0
 
Jan. 15, 2021, 9 a.m. N/A 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) 0.13 ppb (2) 8.6 μg/m3 (8) 0.9 μg/m3 (4) 16.0
 
Jan. 15, 2021, 8 a.m. N/A 0.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (16) 0.13 ppb (2) 7.7 μg/m3 (8) 1.4 μg/m3 (6) 16.0
 
Jan. 15, 2021, 7 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 15.0 ppb (14) 0.14 ppb (2) 8.3 μg/m3 (8) 1.7 μg/m3 (8) 14.0
 
Jan. 15, 2021, 6 a.m. N/A 0.4 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (15) 0.15 ppb (2) 10.0 μg/m3 (10) 2.4 μg/m3 (10) 15.0
 
Jan. 15, 2021, 5 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (17) 0.15 ppb (2) 9.6 μg/m3 (9) 2.1 μg/m3 (9) 17.0
 
Jan. 15, 2021, 4 a.m. N/A 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) 0.13 ppb (2) 8.5 μg/m3 (8) 1.7 μg/m3 (8) 19.0
 
Jan. 15, 2021, 3 a.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) 0.14 ppb (2) 6.7 μg/m3 (7) 1.1 μg/m3 (5) 22.0
 
Jan. 15, 2021, 2 a.m. N/A 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 5.2 μg/m3 (5) 0.9 μg/m3 (4) 25.0
 
Jan. 15, 2021, 1 a.m. N/A 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 5.4 μg/m3 (5) 0.9 μg/m3 (4) 25.0
 
Jan. 15, 2021, midnight N/A 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (24) 0.12 ppb (2) 5.3 μg/m3 (5) 0.8 μg/m3 (4) 24.0
 
Jan. 14, 2021, 11 p.m. N/A 1.3 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 5.0 μg/m3 (5) 0.7 μg/m3 (3) 23.0
 
Jan. 14, 2021, 10 p.m. N/A 1.6 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (23) 0.11 ppb (2) 8.1 μg/m3 (8) 0.8 μg/m3 (4) 23.0
 
Jan. 14, 2021, 9 p.m. N/A 1.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.11 ppb (2) 4.9 μg/m3 (5) 0.6 μg/m3 (3) 25.0
 
Jan. 14, 2021, 8 p.m. N/A 2.3 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.11 ppb (2) 6.9 μg/m3 (7) 1.1 μg/m3 (5) 23.0
 
Jan. 14, 2021, 7 p.m. N/A 1.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) 6.0 μg/m3 (6) 1.1 μg/m3 (5) 25.0
 
Jan. 14, 2021, 6 p.m. N/A 1.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 5.1 μg/m3 (5) 1.1 μg/m3 (5) 25.0
 
Jan. 14, 2021, 5 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 5.9 μg/m3 (6) 1.1 μg/m3 (5) 25.0
 
Jan. 14, 2021, 4 p.m. N/A 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 7.4 μg/m3 (7) 1.4 μg/m3 (6) 24.0
 
Jan. 14, 2021, 3 p.m. N/A 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 5.9 μg/m3 (6) 1.6 μg/m3 (7) 23.0
 
Jan. 14, 2021, 2 p.m. N/A 1.5 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) 0.12 ppb (2) 3.7 μg/m3 (4) 1.4 μg/m3 (6) 22.0
 
Jan. 14, 2021, 1 p.m. N/A 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.12 ppb (2) 5.5 μg/m3 (6) 1.4 μg/m3 (6) 21.0
 
Jan. 14, 2021, noon N/A 1.0 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 11.0 ppb (11) 0.15 ppb (2) 7.5 μg/m3 (7) 1.9 μg/m3 (8) 11.0
 
Jan. 14, 2021, 11 a.m. N/A 0.8 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (12) 0.15 ppb (2) 8.5 μg/m3 (8) 2.0 μg/m3 (9) 12.0
 
Jan. 14, 2021, 10 a.m. N/A 1.2 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (12) 0.15 ppb (2) 9.1 μg/m3 (9) 2.0 μg/m3 (9) 12.0
 
Jan. 14, 2021, 9 a.m. N/A 1.8 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 7.0 ppb (7) 0.16 ppb (3) 9.5 μg/m3 (9) 1.6 μg/m3 (7) 11.0
 
Jan. 14, 2021, 8 a.m. N/A 1.3 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (10) 0.17 ppb (3) 10.3 μg/m3 (10) 1.4 μg/m3 (6) 11.0
 
Jan. 14, 2021, 7 a.m. N/A 1.0 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (10) 0.16 ppb (3) 11.2 μg/m3 (11) 2.1 μg/m3 (9) 11.0
 
Jan. 14, 2021, 6 a.m. N/A 1.4 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 12.0 ppb (12) 0.17 ppb (3) 13.2 μg/m3 (13) 2.6 μg/m3 (11) 14.0
 
Jan. 14, 2021, 5 a.m. N/A 1.1 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 12.0 ppb (12) 0.19 ppb (3) 15.7 μg/m3 (15) 4.5 μg/m3 (19) 19.0
 
Jan. 14, 2021, 4 a.m. N/A 2.5 ppb (3) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 8.0 ppb (8) 0.22 ppb (3) 17.3 μg/m3 (17) 5.9 μg/m3 (25) 25.0
 
Jan. 14, 2021, 3 a.m. N/A 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (21) 0.14 ppb (2) 18.1 μg/m3 (17) 4.5 μg/m3 (19) 21.0
 
Jan. 14, 2021, 2 a.m. N/A 0.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.13 ppb (2) 14.3 μg/m3 (14) 4.6 μg/m3 (20) 26.0
 
Jan. 14, 2021, 1 a.m. N/A 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 18.0 μg/m3 (17) 10.3 μg/m3 (43) 43.0
 
Jan. 14, 2021, midnight N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.14 ppb (2) 18.9 μg/m3 (18) 9.2 μg/m3 (39) 39.0
 
Jan. 13, 2021, 11 p.m. N/A 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 34.0 ppb (32) 0.12 ppb (2) 14.4 μg/m3 (14) 3.1 μg/m3 (13) 32.0
 
Jan. 13, 2021, 10 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) 0.12 ppb (2) 15.3 μg/m3 (15) 3.3 μg/m3 (14) 34.0
 
Jan. 13, 2021, 9 p.m. N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) 0.12 ppb (2) 13.7 μg/m3 (13) 3.2 μg/m3 (14) 34.0
 
Jan. 13, 2021, 8 p.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 12.9 μg/m3 (12) 3.4 μg/m3 (15) 34.0
 
Jan. 13, 2021, 7 p.m. N/A 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.12 ppb (2) 14.5 μg/m3 (14) 3.5 μg/m3 (15) 33.0
 
Jan. 13, 2021, 6 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.13 ppb (2) 17.1 μg/m3 (16) 3.9 μg/m3 (17) 33.0
 
Jan. 13, 2021, 5 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.13 ppb (2) 16.3 μg/m3 (16) 3.7 μg/m3 (16) 33.0
 
Jan. 13, 2021, 4 p.m. N/A 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 15.5 μg/m3 (15) 3.1 μg/m3 (13) 34.0
 
Jan. 13, 2021, 3 p.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 9.3 μg/m3 (9) 2.4 μg/m3 (10) 35.0
 
Jan. 13, 2021, 2 p.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) 0.13 ppb (2) 10.5 μg/m3 (10) 2.2 μg/m3 (10) 36.0
 
Jan. 13, 2021, 1 p.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) 11.3 μg/m3 (11) 4.1 μg/m3 (18) 37.0
 
Jan. 13, 2021, noon N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) 10.3 μg/m3 (10) 2.2 μg/m3 (10) 37.0
 
Jan. 13, 2021, 11 a.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.13 ppb (2) 9.3 μg/m3 (9) 0.6 μg/m3 (3) 38.0
 
Jan. 13, 2021, 10 a.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.13 ppb (2) 10.9 μg/m3 (11) 0.5 μg/m3 (3) 38.0
 
Jan. 13, 2021, 9 a.m. N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) 14.7 μg/m3 (14) 0.9 μg/m3 (4) 39.0
 
Jan. 13, 2021, 8 a.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 6.3 μg/m3 (6) 0.0 μg/m3 (0) 27.0
 
Jan. 13, 2021, 7 a.m. N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 2.9 μg/m3 (3) 0.0 μg/m3 (0) 27.0
 
Jan. 13, 2021, 6 a.m. N/A 0.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (24) 0.11 ppb (2) 3.9 μg/m3 (4) 0.0 μg/m3 (0) 24.0
 
Jan. 13, 2021, 5 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.1 ppb (2) 1.9 μg/m3 (2) 0.0 μg/m3 (0) 21.0
 
Jan. 13, 2021, 4 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 0.2 μg/m3 (1) 0.0 μg/m3 (0) 24.0
 
Jan. 13, 2021, 3 a.m. N/A 0.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) 0.11 ppb (2) 0.8 μg/m3 (1) 0.0 μg/m3 (0) 22.0
 
Jan. 13, 2021, 2 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (18) 0.13 ppb (2) 1.3 μg/m3 (2) 1.0 μg/m3 (5) 18.0
 
Jan. 13, 2021, 1 a.m. N/A 0.7 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (17) 0.12 ppb (2) 2.0 μg/m3 (2) 0.2 μg/m3 (1) 17.0
 
Jan. 13, 2021, midnight N/A 2.2 ppb (3) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 8.0 ppb (8) 0.16 ppb (3) 3.9 μg/m3 (4) 1.0 μg/m3 (5) 17.0
 
Jan. 12, 2021, 11 p.m. N/A 2.8 ppb (3) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 6.0 ppb (6) 0.18 ppb (3) 5.2 μg/m3 (5) 1.6 μg/m3 (7) 17.0
 
Jan. 12, 2021, 10 p.m. N/A 3.2 ppb (4) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 11.0 ppb (11) 0.15 ppb (2) 6.5 μg/m3 (7) 2.2 μg/m3 (10) 13.0
 
Jan. 12, 2021, 9 p.m. N/A 2.5 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (14) 0.11 ppb (2) 5.9 μg/m3 (6) 0.7 μg/m3 (3) 14.0
 
Jan. 12, 2021, 8 p.m. N/A 2.6 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 15.0 ppb (14) 0.1 ppb (2) 6.5 μg/m3 (7) 1.6 μg/m3 (7) 14.0
 
Jan. 12, 2021, 7 p.m. N/A 1.5 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 17.0 ppb (16) 0.1 ppb (2) 6.5 μg/m3 (7) 0.9 μg/m3 (4) 16.0
 
Jan. 12, 2021, 6 p.m. N/A 0.9 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (18) 0.11 ppb (2) 7.5 μg/m3 (7) 1.2 μg/m3 (5) 18.0
 
Jan. 12, 2021, 5 p.m. N/A 1.0 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (20) 0.11 ppb (2) 7.0 μg/m3 (7) 0.9 μg/m3 (4) 20.0
 
Jan. 12, 2021, 4 p.m. N/A 0.4 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (20) 0.12 ppb (2) 5.8 μg/m3 (6) 1.0 μg/m3 (5) 20.0
 
Jan. 12, 2021, 3 p.m. N/A 0.9 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (22) 0.11 ppb (2) 3.6 μg/m3 (4) 0.5 μg/m3 (3) 22.0
 
Jan. 12, 2021, 2 p.m. N/A 1.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) 0.11 ppb (2) 3.8 μg/m3 (4) 0.4 μg/m3 (2) 23.0
 
Jan. 12, 2021, 1 p.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.11 ppb (2) 3.0 μg/m3 (3) 0.2 μg/m3 (1) 25.0
 
Jan. 12, 2021, noon N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) 0.11 ppb (2) 2.3 μg/m3 (3) 0.2 μg/m3 (1) 25.0
 
Jan. 12, 2021, 11 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) 1.1 μg/m3 (2) 0.3 μg/m3 (2) 25.0
 
Jan. 12, 2021, 10 a.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) 0.11 ppb (2) 1.4 μg/m3 (2) 0.3 μg/m3 (2) 25.0
 
Jan. 12, 2021, 9 a.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 1.7 μg/m3 (2) 0.4 μg/m3 (2) 24.0
 
Jan. 12, 2021, 8 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) 0.11 ppb (2) 2.9 μg/m3 (3) 0.4 μg/m3 (2) 25.0
 
Jan. 12, 2021, 7 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.12 ppb (2) 0.9 μg/m3 (1) 0.6 μg/m3 (3) 21.0
 
Jan. 12, 2021, 6 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (19) 0.12 ppb (2) 1.0 μg/m3 (1) 0.6 μg/m3 (3) 19.0
 
Jan. 12, 2021, 5 a.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) 0.12 ppb (2) 1.4 μg/m3 (2) 0.8 μg/m3 (4) 18.0
 
Jan. 12, 2021, 4 a.m. N/A 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) 0.14 ppb (2) 2.5 μg/m3 (3) 1.6 μg/m3 (7) 17.0
 
Jan. 12, 2021, 3 a.m. N/A 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (15) 0.14 ppb (2) 4.6 μg/m3 (5) 8.3 μg/m3 (35) 35.0
 
Jan. 12, 2021, 2 a.m. N/A 0.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (16) 0.13 ppb (2) 3.6 μg/m3 (4) 1.5 μg/m3 (7) 16.0
 
Jan. 12, 2021, 1 a.m. N/A 0.4 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) 0.13 ppb (2) 3.7 μg/m3 (4) 1.3 μg/m3 (6) 17.0
 
Jan. 12, 2021, midnight N/A 1.2 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (17) 0.13 ppb (2) 2.9 μg/m3 (3) 1.4 μg/m3 (6) 17.0
 
Jan. 11, 2021, 11 p.m. N/A 1.2 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 16.0 ppb (15) 0.14 ppb (2) 2.6 μg/m3 (3) 1.6 μg/m3 (7) 15.0
 
Jan. 11, 2021, 10 p.m. N/A 3.4 ppb (4) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 12.0 ppb (12) 0.15 ppb (2) 5.9 μg/m3 (6) 2.2 μg/m3 (10) 15.0
 
Jan. 11, 2021, 9 p.m. N/A 2.0 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 18.0 ppb (17) 0.13 ppb (2) 4.6 μg/m3 (5) 1.7 μg/m3 (8) 17.0
 
Jan. 11, 2021, 8 p.m. N/A 1.8 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 16.0 ppb (15) 0.13 ppb (2) 3.5 μg/m3 (4) 1.7 μg/m3 (8) 15.0
 
Jan. 11, 2021, 7 p.m. N/A 1.8 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 18.0 ppb (17) 0.13 ppb (2) 7.5 μg/m3 (7) 2.2 μg/m3 (10) 17.0
 
Jan. 11, 2021, 6 p.m. N/A 0.7 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (21) 0.12 ppb (2) 4.4 μg/m3 (5) 1.1 μg/m3 (5) 21.0
 
Jan. 11, 2021, 5 p.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.11 ppb (2) 4.2 μg/m3 (4) 1.3 μg/m3 (6) 24.0
 
Jan. 11, 2021, 4 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) 0.11 ppb (2) 4.7 μg/m3 (5) 1.9 μg/m3 (8) 25.0
 
Jan. 11, 2021, 3 p.m. N/A 4.5 ppb (5) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (10) 0.15 ppb (2) 12.4 μg/m3 (12) 3.8 μg/m3 (16) 17.0
 
Jan. 11, 2021, 2 p.m. N/A 4.2 ppb (4) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 7.0 ppb (7) 0.13 ppb (2) 6.5 μg/m3 (7) 3.5 μg/m3 (15) 15.0
 
Jan. 11, 2021, 1 p.m. N/A 2.7 ppb (3) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 4.0 ppb (4) 0.12 ppb (2) 6.0 μg/m3 (6) 4.3 μg/m3 (18) 18.0
 
Jan. 11, 2021, noon N/A 1.2 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 7.0 ppb (7) 0.13 ppb (2) 4.8 μg/m3 (5) 3.1 μg/m3 (13) 13.0
 
Jan. 11, 2021, 11 a.m. N/A 0.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) 0.09 ppb (2) 2.6 μg/m3 (3) 1.9 μg/m3 (8) 14.0
 
Jan. 11, 2021, 10 a.m. N/A 0.7 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (11) 0.12 ppb (2) 4.9 μg/m3 (5) 3.9 μg/m3 (17) 17.0
 
Jan. 11, 2021, 9 a.m. N/A 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (10) 0.13 ppb (2) 4.9 μg/m3 (5) 4.5 μg/m3 (19) 19.0
 
Jan. 11, 2021, 8 a.m. N/A 0.8 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (8) 0.14 ppb (2) 4.9 μg/m3 (5) 4.7 μg/m3 (20) 20.0
 
Jan. 11, 2021, 7 a.m. N/A 1.0 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 4.0 ppb (4) 0.17 ppb (3) 7.9 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2021, 6 a.m. N/A 1.2 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 6.0 ppb (6) 0.17 ppb (3) 6.6 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2021, 5 a.m. N/A 1.2 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 6.0 ppb (6) 0.17 ppb (3) 9.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
Jan. 11, 2021, 4 a.m. N/A 0.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (13) 0.14 ppb (2) 6.5 μg/m3 (7) 3.2 μg/m3 (14) 14.0
 
Jan. 11, 2021, 3 a.m. N/A 0.9 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (12) 0.15 ppb (2) 6.4 μg/m3 (6) 3.6 μg/m3 (16) 16.0
 
Jan. 11, 2021, 2 a.m. N/A 1.5 ppb (2) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 4.0 ppb (4) 0.2 ppb (3) 11.4 μg/m3 (11) 10.6 μg/m3 (45) 45.0
 
Jan. 11, 2021, 1 a.m. N/A 1.4 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 6.0 ppb (6) 0.19 ppb (3) 8.0 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
Jan. 11, 2021, midnight N/A 1.9 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (10) 0.16 ppb (3) 5.9 μg/m3 (6) 3.8 μg/m3 (16) 16.0
 
Jan. 10, 2021, 11 p.m. N/A 7.3 ppb (7) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 11.0 ppb (11) 0.16 ppb (3) 14.7 μg/m3 (14) 13.3 μg/m3 (54) 54.0
 
Jan. 10, 2021, 10 p.m. N/A 1.6 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 15.0 ppb (14) 0.16 ppb (3) 6.7 μg/m3 (7) 3.0 μg/m3 (13) 14.0
 
Jan. 10, 2021, 9 p.m. N/A 4.5 ppb (5) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (16) 0.17 ppb (3) 10.1 μg/m3 (10) 7.8 μg/m3 (33) 33.0
 
Jan. 10, 2021, 8 p.m. N/A 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.14 ppb (2) 4.0 μg/m3 (4) 0.8 μg/m3 (4) 21.0
 
Jan. 10, 2021, 7 p.m. N/A 1.9 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) 0.15 ppb (2) 6.4 μg/m3 (6) 1.3 μg/m3 (6) 17.0
 
Jan. 10, 2021, 6 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.11 ppb (2) 4.6 μg/m3 (5) 0.5 μg/m3 (3) 21.0
 
Jan. 10, 2021, 5 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 4.1 μg/m3 (4) 0.3 μg/m3 (2) 24.0
 
Jan. 10, 2021, 4 p.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.1 ppb (2) 6.3 μg/m3 (6) 0.5 μg/m3 (3) 21.0
 
Jan. 10, 2021, 3 p.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) 0.09 ppb (2) 4.0 μg/m3 (4) 0.4 μg/m3 (2) 22.0
 
Jan. 10, 2021, 2 p.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) 0.12 ppb (2) 6.2 μg/m3 (6) 0.8 μg/m3 (4) 19.0
 
Jan. 10, 2021, 1 p.m. N/A 0.8 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (15) 0.15 ppb (2) 6.2 μg/m3 (6) 1.3 μg/m3 (6) 15.0
 
Jan. 10, 2021, noon N/A 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) 0.14 ppb (2) 6.0 μg/m3 (6) 1.7 μg/m3 (8) 19.0
 
Jan. 10, 2021, 11 a.m. N/A 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) 0.14 ppb (2) 5.9 μg/m3 (6) 1.4 μg/m3 (6) 22.0
 
Jan. 10, 2021, 10 a.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.12 ppb (2) 5.8 μg/m3 (6) 1.2 μg/m3 (5) 26.0
 
Jan. 10, 2021, 9 a.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 3.8 μg/m3 (4) 0.8 μg/m3 (4) 27.0
 
Jan. 10, 2021, 8 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.11 ppb (2) 3.9 μg/m3 (4) 0.9 μg/m3 (4) 26.0
 
Jan. 10, 2021, 7 a.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 3.5 μg/m3 (4) 1.1 μg/m3 (5) 25.0
 
Jan. 10, 2021, 6 a.m. N/A 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) 0.13 ppb (2) 4.7 μg/m3 (5) 1.6 μg/m3 (7) 22.0
 
Jan. 10, 2021, 5 a.m. N/A 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) 0.13 ppb (2) 2.1 μg/m3 (2) 1.5 μg/m3 (7) 21.0
 
Jan. 10, 2021, 4 a.m. N/A 0.7 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) 0.16 ppb (3) 4.1 μg/m3 (4) 3.0 μg/m3 (13) 17.0
 
Jan. 10, 2021, 3 a.m. N/A 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) 0.15 ppb (2) 4.6 μg/m3 (5) 2.1 μg/m3 (9) 19.0
 
Jan. 10, 2021, 2 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) 0.13 ppb (2) 5.4 μg/m3 (5) 1.4 μg/m3 (6) 22.0
 
Jan. 10, 2021, 1 a.m. N/A 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.13 ppb (2) 3.2 μg/m3 (3) 1.7 μg/m3 (8) 21.0
 
Jan. 10, 2021, midnight N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) 0.13 ppb (2) 5.0 μg/m3 (5) 1.9 μg/m3 (8) 22.0
 
Jan. 9, 2021, 11 p.m. N/A 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 2.9 μg/m3 (3) 0.5 μg/m3 (3) 23.0
 
Jan. 9, 2021, 10 p.m. N/A 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) 0.12 ppb (2) 2.4 μg/m3 (3) 0.7 μg/m3 (3) 22.0
 
Jan. 9, 2021, 9 p.m. N/A 1.6 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (21) 0.11 ppb (2) 2.0 μg/m3 (2) 0.7 μg/m3 (3) 21.0
 
Jan. 9, 2021, 8 p.m. N/A 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (20) 0.11 ppb (2) 2.4 μg/m3 (3) 0.7 μg/m3 (3) 20.0
 
Jan. 9, 2021, 7 p.m. N/A 1.6 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) 0.11 ppb (2) 0.2 μg/m3 (1) 0.6 μg/m3 (3) 19.0
 
Jan. 9, 2021, 6 p.m. N/A 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (18) 0.1 ppb (2) 3.8 μg/m3 (4) 0.6 μg/m3 (3) 18.0
 
Jan. 9, 2021, 5 p.m. N/A 2.3 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (13) 0.12 ppb (2) 6.7 μg/m3 (7) 1.0 μg/m3 (5) 13.0