ID: 2159

AQSQID: 000101005

Site Name: Abbotsford Airport

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

Updated: July 25, 2021, 5:52 a.m.

Location: Abbotsford (S Poplar), CC

Reporting: True, Located: True

Current AQI: 26.0

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
July 25, 2021, 4 a.m. N/A 0.3 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 28.0 ppb (26) 0.12 ppb (2) 16.0 μg/m3 (15) 5.5 μg/m3 (23) 26.0
 
July 25, 2021, 3 a.m. N/A 0.4 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 30.0 ppb (28) 0.11 ppb (2) 29.0 μg/m3 (27) 5.3 μg/m3 (23) 28.0
 
July 25, 2021, 2 a.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 32.0 ppb (30) 0.09 ppb (2) 15.0 μg/m3 (14) 4.6 μg/m3 (20) 30.0
 
July 25, 2021, 1 a.m. N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) 0.09 ppb (2) 12.0 μg/m3 (12) 4.5 μg/m3 (19) 28.0
 
July 25, 2021, midnight N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) 0.09 ppb (2) 9.0 μg/m3 (9) 4.3 μg/m3 (18) 28.0
 
July 24, 2021, 11 p.m. N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) 0.09 ppb (2) 7.0 μg/m3 (7) 4.1 μg/m3 (18) 30.0
 
July 24, 2021, 10 p.m. N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) 0.09 ppb (2) 13.0 μg/m3 (13) 3.6 μg/m3 (16) 30.0
 
July 24, 2021, 9 p.m. N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) 0.09 ppb (2) 16.0 μg/m3 (15) 3.6 μg/m3 (16) 31.0
 
July 24, 2021, 8 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 39.0 ppb (37) 0.1 ppb (2) 22.0 μg/m3 (21) 5.2 μg/m3 (22) 37.0
 
July 24, 2021, 7 p.m. N/A 1.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 38.0 ppb (36) 0.1 ppb (2) 27.0 μg/m3 (25) 7.0 μg/m3 (30) 36.0
 
July 24, 2021, 6 p.m. N/A 2.1 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 33.0 ppb (31) 0.1 ppb (2) 29.0 μg/m3 (27) 8.6 μg/m3 (36) 36.0
 
July 24, 2021, 5 p.m. N/A 2.8 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 26.0 ppb (25) 0.09 ppb (2) 27.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
July 24, 2021, 4 p.m. N/A 3.9 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 22.0 ppb (21) 0.12 ppb (2) 35.0 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
July 24, 2021, 3 p.m. N/A 4.0 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) 0.09 ppb (2) 19.0 μg/m3 (18) 4.6 μg/m3 (20) 20.0
 
July 24, 2021, 2 p.m. N/A 4.8 ppb (5) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 13.0 ppb (13) 0.11 ppb (2) 21.0 μg/m3 (20) 3.4 μg/m3 (15) 20.0
 
July 24, 2021, 1 p.m. N/A 5.0 ppb (5) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (6) 0.13 ppb (2) 36.0 μg/m3 (34) 4.2 μg/m3 (18) 34.0
 
July 24, 2021, noon N/A 2.6 ppb (3) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 4.0 ppb (4) 0.16 ppb (3) 26.0 μg/m3 (25) 3.2 μg/m3 (14) 25.0
 
July 24, 2021, 11 a.m. N/A 1.8 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 6.0 ppb (6) 0.13 ppb (2) 17.0 μg/m3 (16) 2.6 μg/m3 (11) 16.0
 
July 24, 2021, 10 a.m. N/A 1.9 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 5.0 ppb (5) 0.12 ppb (2) 29.0 μg/m3 (27) 3.3 μg/m3 (14) 27.0
 
July 24, 2021, 9 a.m. N/A 1.0 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 7.0 ppb (7) 0.12 ppb (2) 29.0 μg/m3 (27) 3.6 μg/m3 (16) 27.0
 
July 24, 2021, 8 a.m. N/A 1.2 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (11) 0.12 ppb (2) 18.0 μg/m3 (17) 3.2 μg/m3 (14) 17.0
 
July 24, 2021, 7 a.m. N/A 1.0 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 10.0 ppb (10) 0.12 ppb (2) 26.0 μg/m3 (25) 3.4 μg/m3 (15) 25.0
 
July 24, 2021, 6 a.m. N/A 0.8 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 12.0 ppb (12) 0.11 ppb (2) 52.0 μg/m3 (49) 3.4 μg/m3 (15) 49.0
 
July 24, 2021, 5 a.m. N/A 1.2 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 9.0 ppb (9) 0.11 ppb (2) 46.0 μg/m3 (43) 4.8 μg/m3 (20) 43.0
 
July 24, 2021, 4 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (19) 0.1 ppb (2) 24.0 μg/m3 (23) 4.6 μg/m3 (20) 23.0
 
July 24, 2021, 3 a.m. N/A 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (24) 0.09 ppb (2) 20.0 μg/m3 (19) 4.4 μg/m3 (19) 24.0
 
July 24, 2021, 2 a.m. N/A 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 31.0 μg/m3 (29) 6.1 μg/m3 (26) 29.0
 
July 24, 2021, 1 a.m. N/A 1.6 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) 0.1 ppb (2) 17.0 μg/m3 (16) 3.5 μg/m3 (15) 26.0
 
July 24, 2021, midnight N/A 1.5 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) 0.09 ppb (2) 22.0 μg/m3 (21) 3.2 μg/m3 (14) 25.0
 
July 23, 2021, 11 p.m. N/A 1.5 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) 0.09 ppb (2) 41.0 μg/m3 (38) 3.2 μg/m3 (14) 38.0
 
July 23, 2021, 10 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.09 ppb (2) 25.0 μg/m3 (24) 2.7 μg/m3 (12) 26.0
 
July 23, 2021, 9 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) 0.09 ppb (2) 20.0 μg/m3 (19) 2.5 μg/m3 (11) 27.0
 
July 23, 2021, 8 p.m. N/A 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 30.0 ppb (28) 0.09 ppb (2) 21.0 μg/m3 (20) 2.8 μg/m3 (12) 28.0
 
July 23, 2021, 7 p.m. N/A 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.08 ppb (2) 17.0 μg/m3 (16) 2.4 μg/m3 (10) 26.0
 
July 23, 2021, 6 p.m. N/A 1.5 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) 0.09 ppb (2) 21.0 μg/m3 (20) 2.4 μg/m3 (10) 23.0
 
July 23, 2021, 5 p.m. N/A 3.9 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.08 ppb (2) 15.0 μg/m3 (14) 1.7 μg/m3 (8) 21.0
 
July 23, 2021, 4 p.m. N/A 2.4 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) 0.1 ppb (2) 15.0 μg/m3 (14) 1.9 μg/m3 (8) 18.0
 
July 23, 2021, 3 p.m. N/A 5.5 ppb (6) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 13.0 ppb (13) 0.11 ppb (2) 24.0 μg/m3 (23) 3.8 μg/m3 (16) 23.0
 
July 23, 2021, 2 p.m. N/A 4.1 ppb (4) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (8) 0.1 ppb (2) 27.0 μg/m3 (25) 3.8 μg/m3 (16) 25.0
 
July 23, 2021, 1 p.m. N/A 1.7 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (9) 0.09 ppb (2) 21.0 μg/m3 (20) 3.5 μg/m3 (15) 20.0
 
July 23, 2021, noon N/A 1.0 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (8) 0.11 ppb (2) 8.0 μg/m3 (8) 2.7 μg/m3 (12) 12.0
 
July 23, 2021, 11 a.m. N/A 1.0 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (8) 0.09 ppb (2) 10.0 μg/m3 (10) 2.3 μg/m3 (10) 10.0
 
July 23, 2021, 10 a.m. N/A 3.2 ppb (4) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (8) 0.09 ppb (2) 20.0 μg/m3 (19) 2.2 μg/m3 (10) 19.0
 
July 23, 2021, 9 a.m. N/A 0.7 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (11) 0.11 ppb (2) 24.0 μg/m3 (23) 3.1 μg/m3 (13) 23.0
 
July 23, 2021, 8 a.m. N/A 0.9 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (12) 0.09 ppb (2) 24.0 μg/m3 (23) 2.3 μg/m3 (10) 23.0
 
July 23, 2021, 7 a.m. N/A 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (11) 0.1 ppb (2) 23.0 μg/m3 (22) 2.4 μg/m3 (10) 22.0
 
July 23, 2021, 6 a.m. N/A 0.7 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (13) 0.11 ppb (2) 26.0 μg/m3 (25) 2.7 μg/m3 (12) 25.0
 
July 23, 2021, 5 a.m. N/A 0.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) 0.1 ppb (2) 16.0 μg/m3 (15) 2.6 μg/m3 (11) 19.0
 
July 23, 2021, 4 a.m. N/A 0.7 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) 0.1 ppb (2) 25.0 μg/m3 (24) 3.5 μg/m3 (15) 24.0
 
July 23, 2021, 3 a.m. N/A 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) 0.11 ppb (2) 28.0 μg/m3 (26) 3.3 μg/m3 (14) 26.0
 
July 23, 2021, 2 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 30.0 ppb (28) 0.1 ppb (2) 35.0 μg/m3 (33) 4.0 μg/m3 (17) 33.0
 
July 23, 2021, 1 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) 0.09 ppb (2) 9.0 μg/m3 (9) 2.7 μg/m3 (12) 29.0
 
July 23, 2021, midnight N/A 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 32.0 ppb (30) 0.09 ppb (2) 6.0 μg/m3 (6) 2.6 μg/m3 (11) 30.0
 
July 22, 2021, 11 p.m. N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) 0.08 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (13) 31.0
 
July 22, 2021, 10 p.m. N/A 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) 0.08 ppb (2) 18.0 μg/m3 (17) 3.6 μg/m3 (16) 31.0
 
July 22, 2021, 9 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 30.0 ppb (28) 0.07 ppb (2) 22.0 μg/m3 (21) 3.8 μg/m3 (16) 28.0
 
July 22, 2021, 8 p.m. N/A 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) 0.07 ppb (2) 15.0 μg/m3 (14) 3.0 μg/m3 (13) 26.0
 
July 22, 2021, 7 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) 0.07 ppb (2) 11.0 μg/m3 (11) 2.5 μg/m3 (11) 25.0
 
July 22, 2021, 6 p.m. N/A 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) 0.07 ppb (2) 15.0 μg/m3 (14) 2.2 μg/m3 (10) 23.0
 
July 22, 2021, 5 p.m. N/A 1.5 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) 0.08 ppb (2) 10.0 μg/m3 (10) 1.6 μg/m3 (7) 22.0
 
July 22, 2021, 4 p.m. N/A 2.8 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) 0.08 ppb (2) 23.0 μg/m3 (22) 2.0 μg/m3 (9) 22.0
 
July 22, 2021, 3 p.m. N/A 4.8 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (14) 0.1 ppb (2) 33.0 μg/m3 (31) 3.1 μg/m3 (13) 31.0
 
July 22, 2021, 2 p.m. N/A 3.8 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (13) 0.08 ppb (2) 16.0 μg/m3 (15) 2.3 μg/m3 (10) 15.0
 
July 22, 2021, 1 p.m. N/A 12.1 ppb (12) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 5.0 ppb (5) 0.11 ppb (2) 40.0 μg/m3 (38) 4.1 μg/m3 (18) 38.0
 
July 22, 2021, noon N/A 3.0 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 6.0 ppb (6) 0.11 ppb (2) 17.0 μg/m3 (16) 2.5 μg/m3 (11) 16.0
 
July 22, 2021, 11 a.m. N/A 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (13) 0.09 ppb (2) 9.0 μg/m3 (9) 2.2 μg/m3 (10) 13.0
 
July 22, 2021, 10 a.m. N/A 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (10) 0.08 ppb (2) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 10.0
 
July 22, 2021, 9 a.m. N/A 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (11) 0.08 ppb (2) 5.0 μg/m3 (5) 2.1 μg/m3 (9) 11.0
 
July 22, 2021, 8 a.m. N/A 1.5 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 7.0 ppb (7) 0.07 ppb (2) 19.0 μg/m3 (18) 2.1 μg/m3 (9) 18.0
 
July 22, 2021, 7 a.m. N/A 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (13) 0.07 ppb (2) 13.0 μg/m3 (13) 1.8 μg/m3 (8) 13.0
 
July 22, 2021, 6 a.m. N/A 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (15) 0.08 ppb (2) 7.0 μg/m3 (7) 1.6 μg/m3 (7) 15.0
 
July 22, 2021, 5 a.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (14) 0.09 ppb (2) 11.0 μg/m3 (11) 2.1 μg/m3 (9) 14.0
 
July 22, 2021, 4 a.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) 0.09 ppb (2) 11.0 μg/m3 (11) 2.3 μg/m3 (10) 17.0
 
July 22, 2021, 3 a.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (20) 0.09 ppb (2) 12.0 μg/m3 (12) 1.7 μg/m3 (8) 20.0
 
July 22, 2021, 2 a.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) 0.09 ppb (2) 13.0 μg/m3 (13) 1.7 μg/m3 (8) 22.0
 
July 22, 2021, 1 a.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) 0.09 ppb (2) 22.0 μg/m3 (21) 2.0 μg/m3 (9) 23.0
 
July 22, 2021, midnight N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) 0.09 ppb (2) 37.0 μg/m3 (35) 2.3 μg/m3 (10) 35.0
 
July 21, 2021, 11 p.m. N/A 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) 0.08 ppb (2) 43.0 μg/m3 (40) 1.9 μg/m3 (8) 40.0
 
July 21, 2021, 10 p.m. N/A 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 28.0 μg/m3 (26) 1.6 μg/m3 (7) 26.0
 
July 21, 2021, 9 p.m. N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) 0.09 ppb (2) 22.0 μg/m3 (21) 1.2 μg/m3 (5) 25.0
 
July 21, 2021, 8 p.m. N/A 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) 0.08 ppb (2) 36.0 μg/m3 (34) 1.7 μg/m3 (8) 34.0
 
July 21, 2021, 7 p.m. N/A 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.09 ppb (2) 25.0 μg/m3 (24) 1.7 μg/m3 (8) 24.0
 
July 21, 2021, 6 p.m. N/A 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) 0.08 ppb (2) 18.0 μg/m3 (17) 1.6 μg/m3 (7) 22.0
 
July 21, 2021, 5 p.m. N/A 2.7 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) 0.08 ppb (2) 16.0 μg/m3 (15) 1.7 μg/m3 (8) 18.0
 
July 21, 2021, 4 p.m. N/A 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (15) 0.09 ppb (2) 17.0 μg/m3 (16) 1.9 μg/m3 (8) 16.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 1.9 μg/m3 (8) 12.0
 
July 21, 2021, 2 p.m. N/A 2.3 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (13) 0.1 ppb (2) 15.0 μg/m3 (14) 2.4 μg/m3 (10) 14.0
 
July 21, 2021, 1 p.m. N/A 2.6 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 11.0 ppb (11) 0.11 ppb (2) 18.0 μg/m3 (17) 2.2 μg/m3 (10) 17.0
 
July 21, 2021, noon N/A 2.0 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (7) 0.11 ppb (2) 28.0 μg/m3 (26) 2.4 μg/m3 (10) 26.0
 
July 21, 2021, 11 a.m. N/A 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (12) 0.09 ppb (2) 13.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
July 21, 2021, 10 a.m. N/A 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (13) 0.09 ppb (2) 5.0 μg/m3 (5) 1.7 μg/m3 (8) 13.0
 
July 21, 2021, 9 a.m. N/A 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) 0.1 ppb (2) 5.0 μg/m3 (5) 1.8 μg/m3 (8) 14.0
 
July 21, 2021, 8 a.m. N/A 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (13) 0.08 ppb (2) 13.0 μg/m3 (13) 2.2 μg/m3 (10) 13.0
 
July 21, 2021, 7 a.m. N/A 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (17) 0.09 ppb (2) 9.0 μg/m3 (9) 2.1 μg/m3 (9) 17.0
 
July 21, 2021, 6 a.m. N/A 0.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) 0.09 ppb (2) 7.0 μg/m3 (7) 1.9 μg/m3 (8) 19.0
 
July 21, 2021, 5 a.m. N/A 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) 0.1 ppb (2) 10.0 μg/m3 (10) 2.7 μg/m3 (12) 19.0
 
July 21, 2021, 4 a.m. N/A 0.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (21) 0.1 ppb (2) 13.0 μg/m3 (13) 4.3 μg/m3 (18) 21.0
 
July 21, 2021, 3 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) 9.0 μg/m3 (9) 4.8 μg/m3 (20) 25.0
 
July 21, 2021, 2 a.m. N/A 1.5 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 30.0 ppb (28) 0.1 ppb (2) 46.0 μg/m3 (43) 6.7 μg/m3 (28) 43.0
 
July 21, 2021, 1 a.m. N/A 1.6 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 33.0 ppb (31) 0.09 ppb (2) 32.0 μg/m3 (30) 7.2 μg/m3 (31) 31.0
 
July 21, 2021, midnight N/A 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 35.0 ppb (33) 0.09 ppb (2) 28.0 μg/m3 (26) 7.4 μg/m3 (31) 33.0
 
July 20, 2021, 11 p.m. N/A 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 35.0 ppb (33) 0.09 ppb (2) 24.0 μg/m3 (23) 5.2 μg/m3 (22) 33.0
 
July 20, 2021, 10 p.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 33.0 ppb (31) 0.08 ppb (2) 29.0 μg/m3 (27) 5.3 μg/m3 (23) 31.0
 
July 20, 2021, 9 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.08 ppb (2) 19.0 μg/m3 (18) 5.1 μg/m3 (22) 30.0
 
July 20, 2021, 8 p.m. N/A 1.6 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.08 ppb (2) 23.0 μg/m3 (22) 6.2 μg/m3 (26) 27.0
 
July 20, 2021, 7 p.m. N/A 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.08 ppb (2) 15.0 μg/m3 (14) 7.5 μg/m3 (32) 32.0
 
July 20, 2021, 6 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) 0.07 ppb (2) 11.0 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
July 20, 2021, 5 p.m. N/A 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) 0.07 ppb (2) 13.0 μg/m3 (13) 4.8 μg/m3 (20) 20.0
 
July 20, 2021, 4 p.m. N/A 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) 0.08 ppb (2) 13.0 μg/m3 (13) 3.1 μg/m3 (13) 18.0
 
July 20, 2021, 3 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) 0.07 ppb (2) 14.0 μg/m3 (13) 1.6 μg/m3 (7) 17.0
 
July 20, 2021, 2 p.m. N/A 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) 0.06 ppb (2) 8.0 μg/m3 (8) 1.6 μg/m3 (7) 14.0
 
July 20, 2021, 1 p.m. N/A 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (11) 0.05 ppb (2) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 11.0
 
July 20, 2021, noon N/A 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (12) 0.07 ppb (2) 7.0 μg/m3 (7) 1.8 μg/m3 (8) 12.0
 
July 20, 2021, 11 a.m. N/A 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (12) 0.05 ppb (2) 8.0 μg/m3 (8) 2.2 μg/m3 (10) 12.0
 
July 20, 2021, 10 a.m. N/A 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (11) 0.05 ppb (2) 8.0 μg/m3 (8) 2.3 μg/m3 (10) 11.0
 
July 20, 2021, 9 a.m. N/A 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (10) 0.08 ppb (2) 8.0 μg/m3 (8) 2.3 μg/m3 (10) 10.0
 
July 20, 2021, 8 a.m. N/A 0.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (13) 0.07 ppb (2) 8.0 μg/m3 (8) 2.8 μg/m3 (12) 13.0
 
July 20, 2021, 7 a.m. N/A 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (13) 0.08 ppb (2) 8.0 μg/m3 (8) 1.7 μg/m3 (8) 13.0
 
July 20, 2021, 6 a.m. N/A 0.5 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (13) 0.08 ppb (2) 13.0 μg/m3 (13) 2.2 μg/m3 (10) 13.0
 
July 20, 2021, 5 a.m. N/A 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (16) 0.05 ppb (2) 12.0 μg/m3 (12) 3.1 μg/m3 (13) 16.0
 
July 20, 2021, 4 a.m. N/A 0.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.05 ppb (2) 13.0 μg/m3 (13) 4.6 μg/m3 (20) 21.0
 
July 20, 2021, 3 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.07 ppb (2) 21.0 μg/m3 (20) 5.7 μg/m3 (24) 24.0
 
July 20, 2021, 2 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) 0.07 ppb (2) 19.0 μg/m3 (18) 6.2 μg/m3 (26) 26.0
 
July 20, 2021, 1 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) 0.09 ppb (2) 17.0 μg/m3 (16) 5.1 μg/m3 (22) 34.0
 
July 20, 2021, midnight N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) 0.08 ppb (2) 12.0 μg/m3 (12) 4.5 μg/m3 (19) 36.0
 
July 19, 2021, 11 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 40.0 ppb (38) 0.09 ppb (2) 13.0 μg/m3 (13) 4.2 μg/m3 (18) 38.0
 
July 19, 2021, 10 p.m. N/A 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 38.0 ppb (36) 0.09 ppb (2) 18.0 μg/m3 (17) 3.7 μg/m3 (16) 36.0
 
July 19, 2021, 9 p.m. N/A 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 38.0 ppb (36) 0.1 ppb (2) 21.0 μg/m3 (20) 5.2 μg/m3 (22) 36.0
 
July 19, 2021, 8 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) 0.09 ppb (2) 18.0 μg/m3 (17) 5.8 μg/m3 (25) 37.0
 
July 19, 2021, 7 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 35.0 ppb (33) 0.09 ppb (2) 18.0 μg/m3 (17) 4.8 μg/m3 (20) 33.0
 
July 19, 2021, 6 p.m. N/A 1.6 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 29.0 ppb (27) 0.1 ppb (2) 16.0 μg/m3 (15) 5.5 μg/m3 (23) 27.0
 
July 19, 2021, 5 p.m. N/A 2.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 25.0 ppb (24) 0.1 ppb (2) 16.0 μg/m3 (15) 5.8 μg/m3 (25) 25.0
 
July 19, 2021, 4 p.m. N/A 3.8 ppb (4) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (18) 0.1 ppb (2) 20.0 μg/m3 (19) 5.4 μg/m3 (23) 23.0
 
July 19, 2021, 3 p.m. N/A 3.3 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (15) 0.09 ppb (2) 15.0 μg/m3 (14) 2.7 μg/m3 (12) 15.0
 
July 19, 2021, 2 p.m. N/A 4.7 ppb (5) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (11) 0.08 ppb (2) 20.0 μg/m3 (19) 2.5 μg/m3 (11) 19.0
 
July 19, 2021, 1 p.m. N/A 5.4 ppb (6) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 6.0 ppb (6) 0.08 ppb (2) 19.0 μg/m3 (18) 2.4 μg/m3 (10) 18.0
 
July 19, 2021, noon N/A 5.2 ppb (5) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 4.0 ppb (4) 0.09 ppb (2) 9.0 μg/m3 (9) 2.5 μg/m3 (11) 11.0
 
July 19, 2021, 11 a.m. N/A 1.1 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 5.0 ppb (5) 0.07 ppb (2) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
July 19, 2021, 10 a.m. N/A 0.8 ppb (1) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 6.0 ppb (6) 0.09 ppb (2) 10.0 μg/m3 (10) 3.7 μg/m3 (16) 16.0
 
July 19, 2021, 9 a.m. N/A 0.4 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (8) 0.12 ppb (2) 13.0 μg/m3 (13) 3.8 μg/m3 (16) 16.0
 
July 19, 2021, 8 a.m. N/A 0.3 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A 0.09 ppb (2) 11.0 μg/m3 (11) 2.9 μg/m3 (13) 13.0
 
July 19, 2021, 7 a.m. N/A 0.6 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (13) 0.09 ppb (2) 9.0 μg/m3 (9) 2.3 μg/m3 (10) 13.0
 
July 19, 2021, 6 a.m. N/A 0.5 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (14) 0.11 ppb (2) 21.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
July 19, 2021, 5 a.m. N/A 0.3 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 17.0 ppb (16) 0.11 ppb (2) 18.0 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
July 19, 2021, 4 a.m. N/A 0.6 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 20.0 ppb (19) 0.1 ppb (2) 18.0 μg/m3 (17) 7.1 μg/m3 (30) 30.0
 
July 19, 2021, 3 a.m. N/A 3.1 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 27.0 ppb (25) 0.1 ppb (2) 21.0 μg/m3 (20) 6.3 μg/m3 (27) 27.0
 
July 19, 2021, 2 a.m. N/A 1.9 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 31.0 ppb (29) 0.09 ppb (2) 26.0 μg/m3 (25) 4.8 μg/m3 (20) 29.0
 
July 19, 2021, 1 a.m. N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) 0.09 ppb (2) 20.0 μg/m3 (19) 4.2 μg/m3 (18) 31.0
 
July 19, 2021, midnight N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) 0.09 ppb (2) 17.0 μg/m3 (16) 3.6 μg/m3 (16) 31.0
 
July 18, 2021, 11 p.m. N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) 0.09 ppb (2) 22.0 μg/m3 (21) 3.5 μg/m3 (15) 31.0
 
July 18, 2021, 10 p.m. N/A 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) 0.09 ppb (2) 18.0 μg/m3 (17) 3.1 μg/m3 (13) 31.0
 
July 18, 2021, 9 p.m. N/A 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 31.0 ppb (29) 0.09 ppb (2) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 29.0
 
July 18, 2021, 8 p.m. N/A 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 29.0 ppb (27) 0.09 ppb (2) 15.0 μg/m3 (14) 3.2 μg/m3 (14) 27.0
 
July 18, 2021, 7 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) 0.09 ppb (2) 16.0 μg/m3 (15) 2.8 μg/m3 (12) 26.0
 
July 18, 2021, 6 p.m. N/A 1.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 25.0 ppb (24) 0.07 ppb (2) 18.0 μg/m3 (17) 2.3 μg/m3 (10) 24.0
 
July 18, 2021, 5 p.m. N/A 4.1 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) 0.07 ppb (2) 12.0 μg/m3 (12) 1.9 μg/m3 (8) 20.0
 
July 18, 2021, 4 p.m. N/A 2.8 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (16) 0.09 ppb (2) 19.0 μg/m3 (18) 2.4 μg/m3 (10) 18.0
 
July 18, 2021, 3 p.m. N/A 2.3 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (15) 0.07 ppb (2) 12.0 μg/m3 (12) 2.1 μg/m3 (9) 15.0
 
July 18, 2021, 2 p.m. N/A 2.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) 0.08 ppb (2) 12.0 μg/m3 (12) 2.0 μg/m3 (9) 14.0
 
July 18, 2021, 1 p.m. N/A 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (10) 0.09 ppb (2) 13.0 μg/m3 (13) 1.8 μg/m3 (8) 13.0
 
July 18, 2021, noon N/A 1.6 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 8.0 ppb (8) 0.11 ppb (2) 7.0 μg/m3 (7) 1.6 μg/m3 (7) 8.0
 
July 18, 2021, 11 a.m. N/A 1.6 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 7.0 ppb (7) 0.09 ppb (2) 6.0 μg/m3 (6) 1.9 μg/m3 (8) 8.0
 
July 18, 2021, 10 a.m. N/A 4.6 ppb (5) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 4.0 ppb (4) 0.1 ppb (2) 11.0 μg/m3 (11) 2.2 μg/m3 (10) 11.0
 
July 18, 2021, 9 a.m. N/A 2.5 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 6.0 ppb (6) 0.12 ppb (2) 21.0 μg/m3 (20) 2.1 μg/m3 (9) 20.0
 
July 18, 2021, 8 a.m. N/A 1.4 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (7) 0.09 ppb (2) 15.0 μg/m3 (14) 2.5 μg/m3 (11) 14.0
 
July 18, 2021, 7 a.m. N/A 0.6 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (9) 0.09 ppb (2) 13.0 μg/m3 (13) 2.4 μg/m3 (10) 13.0
 
July 18, 2021, 6 a.m. N/A 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) 0.09 ppb (2) 25.0 μg/m3 (24) 4.1 μg/m3 (18) 24.0
 
July 18, 2021, 5 a.m. N/A 0.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (17) 0.09 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0