ID: 5323

AQSQID: 000103904

Site Name: Kitimat Whitesail

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

Updated: Aug. 3, 2021, 2:54 a.m.

Location: British Columbia (Kitimat-Stikine C), CC

Reporting: True, Located: True

Current AQI: 22.0

British Columbia (Kitimat-Stikine C) CC, CA: 54.0403, -128.3825

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 1 a.m. N/A 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 2.0 μg/m3 (9) 22.0
 
Aug. 3, 2021, midnight N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Aug. 2, 2021, 11 p.m. N/A 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
Aug. 2, 2021, 10 p.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
Aug. 2, 2021, 9 p.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 2.0 μg/m3 (9) 20.0
 
Aug. 2, 2021, 8 p.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 3.0 μg/m3 (13) 18.0
 
Aug. 2, 2021, 7 p.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 1.0 μg/m3 (5) 18.0
 
Aug. 2, 2021, 6 p.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
Aug. 2, 2021, 5 p.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 0.0 μg/m3 (0) 14.0
 
Aug. 2, 2021, 4 p.m. N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 0.0 μg/m3 (0) 14.0
 
Aug. 2, 2021, 3 p.m. N/A -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 2.0 μg/m3 (9) 14.0
 
Aug. 2, 2021, 2 p.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 2.0 μg/m3 (9) 14.0
 
Aug. 2, 2021, 1 p.m. N/A 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Aug. 2, 2021, noon N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Aug. 2, 2021, 11 a.m. N/A 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 2.0 μg/m3 (9) 14.0
 
Aug. 2, 2021, 10 a.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 1.0 μg/m3 (5) 14.0
 
Aug. 2, 2021, 9 a.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 0.0 μg/m3 (0) 14.0
 
Aug. 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A N/A 14.0
 
Aug. 2, 2021, 7 a.m. N/A 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A N/A 14.0
 
Aug. 2, 2021, 6 a.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
Aug. 2, 2021, 5 a.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
Aug. 2, 2021, 4 a.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
Aug. 2, 2021, 3 a.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
Aug. 2, 2021, 2 a.m. N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
Aug. 2, 2021, 1 a.m. N/A 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 11.0 ppb (11) N/A N/A 0.0 μg/m3 (0) 11.0
 
Aug. 2, 2021, midnight N/A 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 3.0 μg/m3 (13) 13.0
 
Aug. 1, 2021, 11 p.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 4.0 μg/m3 (17) 17.0
 
Aug. 1, 2021, 10 p.m. N/A 0.1 ppb (1) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 0.0 μg/m3 (0) 10.0
 
Aug. 1, 2021, 9 p.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 0.0 μg/m3 (0) 10.0
 
Aug. 1, 2021, 8 p.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 3.0 μg/m3 (13) 13.0
 
Aug. 1, 2021, 7 p.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 4.0 ppb (6) 11.0 ppb (11) N/A N/A 6.0 μg/m3 (25) 25.0
 
Aug. 1, 2021, 6 p.m. N/A 1.2 ppb (2) N/A 1.0 ppb (1) N/A 8.0 ppb (12) 10.0 ppb (10) N/A N/A 3.0 μg/m3 (13) 13.0
 
Aug. 1, 2021, 5 p.m. N/A 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 5.0 μg/m3 (21) 21.0
 
Aug. 1, 2021, 4 p.m. N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 1.0 μg/m3 (5) 9.0
 
Aug. 1, 2021, 3 p.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A N/A 9.0
 
Aug. 1, 2021, 2 p.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A N/A 8.0
 
Aug. 1, 2021, 1 p.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 8.0
 
Aug. 1, 2021, noon N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 0.0 μg/m3 (0) 9.0
 
Aug. 1, 2021, 11 a.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 0.0 μg/m3 (0) 11.0
 
Aug. 1, 2021, 10 a.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 0.0 μg/m3 (0) 11.0
 
Aug. 1, 2021, 9 a.m. N/A -0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
Aug. 1, 2021, 8 a.m. N/A 0.1 ppb (1) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
Aug. 1, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
Aug. 1, 2021, 6 a.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
Aug. 1, 2021, 5 a.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
Aug. 1, 2021, 4 a.m. N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 3.0 μg/m3 (13) 13.0
 
Aug. 1, 2021, 3 a.m. N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
Aug. 1, 2021, 2 a.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
Aug. 1, 2021, 1 a.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A N/A 13.0
 
Aug. 1, 2021, midnight N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
July 31, 2021, 11 p.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 2.0 μg/m3 (9) 12.0
 
July 31, 2021, 10 p.m. N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 2.0 μg/m3 (9) 11.0
 
July 31, 2021, 9 p.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
July 31, 2021, 8 p.m. N/A 0.1 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2021, 7 p.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 16.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2021, 6 p.m. N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2021, 5 p.m. N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2021, 4 p.m. N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 3.0 μg/m3 (13) 13.0
 
July 31, 2021, 3 p.m. N/A 1.6 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 31, 2021, 2 p.m. N/A 1.9 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 3.0 μg/m3 (13) 13.0
 
July 31, 2021, 1 p.m. N/A 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 2.0 μg/m3 (9) 9.0
 
July 31, 2021, noon N/A 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 2.0 μg/m3 (9) 9.0
 
July 31, 2021, 11 a.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 0.0 μg/m3 (0) 2.0
 
July 31, 2021, 10 a.m. N/A 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 1.0 μg/m3 (5) 5.0
 
July 31, 2021, 9 a.m. N/A 0.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 0.0 μg/m3 (0) 6.0
 
July 31, 2021, 8 a.m. N/A 0.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 0.0 μg/m3 (0) 9.0
 
July 31, 2021, 7 a.m. N/A 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 1.0 μg/m3 (5) 9.0
 
July 31, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2021, 5 a.m. N/A 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 3.0 μg/m3 (13) 13.0
 
July 31, 2021, 4 a.m. N/A 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 1.0 μg/m3 (5) 10.0
 
July 31, 2021, 3 a.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 2.0 μg/m3 (9) 13.0
 
July 31, 2021, 2 a.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
July 31, 2021, 1 a.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
July 31, 2021, midnight N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 0.0 μg/m3 (0) 16.0
 
July 30, 2021, 11 p.m. N/A 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (17) N/A N/A 2.0 μg/m3 (9) 17.0
 
July 30, 2021, 10 p.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 30, 2021, 9 p.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
July 30, 2021, 8 p.m. N/A 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 0.0 μg/m3 (0) 16.0
 
July 30, 2021, 7 p.m. N/A 0.9 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
July 30, 2021, 6 p.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A N/A 12.0
 
July 30, 2021, 5 p.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 0.0 μg/m3 (0) 10.0
 
July 30, 2021, 4 p.m. N/A 0.9 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 2.0 μg/m3 (9) 9.0
 
July 30, 2021, 3 p.m. N/A 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 30, 2021, 2 p.m. N/A 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 0.0 μg/m3 (0) 3.0
 
July 30, 2021, 1 p.m. N/A 1.6 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 0.0 μg/m3 (0) 2.0
 
July 30, 2021, noon N/A 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 0.0 μg/m3 (0) 2.0
 
July 30, 2021, 11 a.m. N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 0.0 μg/m3 (0) 2.0
 
July 30, 2021, 10 a.m. N/A 0.9 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 2.0 μg/m3 (9) 9.0
 
July 30, 2021, 9 a.m. N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 0.0 μg/m3 (0) 2.0
 
July 30, 2021, 8 a.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 0.0 μg/m3 (0) 3.0
 
July 30, 2021, 7 a.m. N/A 0.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 0.0 μg/m3 (0) 3.0
 
July 30, 2021, 6 a.m. N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 0.0 μg/m3 (0) 4.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 0.0 μg/m3 (0) 10.0
 
July 30, 2021, 4 a.m. N/A 0.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
July 30, 2021, 3 a.m. N/A 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 0.0 μg/m3 (0) 14.0
 
July 30, 2021, 2 a.m. N/A 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 0.0 μg/m3 (0) 16.0
 
July 30, 2021, 1 a.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 0.0 μg/m3 (0) 16.0
 
July 30, 2021, midnight N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
July 29, 2021, 11 p.m. N/A 0.1 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 20.0 ppb (19) N/A N/A 2.0 μg/m3 (9) 19.0
 
July 29, 2021, 10 p.m. N/A 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) N/A N/A 1.0 μg/m3 (5) 21.0
 
July 29, 2021, 9 p.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
July 29, 2021, 8 p.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A N/A 17.0
 
July 29, 2021, 7 p.m. N/A 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
July 29, 2021, 6 p.m. N/A 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 2.0 μg/m3 (9) 10.0
 
July 29, 2021, 5 p.m. N/A 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 1.0 μg/m3 (5) 7.0
 
July 29, 2021, 4 p.m. N/A 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 0.0 μg/m3 (0) 5.0
 
July 29, 2021, 3 p.m. N/A 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 0.0 μg/m3 (0) 3.0
 
July 29, 2021, 2 p.m. N/A 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 0.0 μg/m3 (0) 3.0
 
July 29, 2021, 1 p.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 0.0 μg/m3 (0) 4.0
 
July 29, 2021, noon N/A 0.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 0.0 μg/m3 (0) 4.0
 
July 29, 2021, 11 a.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 3.0 μg/m3 (13) 13.0
 
July 29, 2021, 10 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 2.0 μg/m3 (9) 9.0
 
July 29, 2021, 9 a.m. N/A 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 0.0 μg/m3 (0) 5.0
 
July 29, 2021, 8 a.m. N/A 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 8.0
 
July 29, 2021, 7 a.m. N/A 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 0.0 μg/m3 (0) 9.0
 
July 29, 2021, 6 a.m. N/A 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 0.0 μg/m3 (0) 9.0
 
July 29, 2021, 5 a.m. N/A 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
July 29, 2021, 3 a.m. N/A -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
July 29, 2021, 2 a.m. N/A 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A N/A 13.0
 
July 29, 2021, 1 a.m. N/A 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 0.0 μg/m3 (0) 14.0
 
July 29, 2021, midnight N/A 0.2 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 18.0 ppb (17) N/A N/A 1.0 μg/m3 (5) 17.0
 
July 28, 2021, 11 p.m. N/A 0.4 ppb (1) N/A 3.0 ppb (3) N/A 6.0 ppb (9) N/A N/A N/A 1.0 μg/m3 (5) 9.0
 
July 28, 2021, 10 p.m. N/A 0.6 ppb (1) N/A 3.0 ppb (3) N/A 3.0 ppb (5) 20.0 ppb (19) N/A N/A 2.0 μg/m3 (9) 19.0
 
July 28, 2021, 9 p.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 28, 2021, 8 p.m. N/A 0.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 3.0 μg/m3 (13) 14.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 9.0 ppb (9) N/A N/A 0.0 μg/m3 (0) 9.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 8.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 8.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 0.0 μg/m3 (0) 7.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 1.0 μg/m3 (5) 5.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 0.0 μg/m3 (0) 4.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 0.0 μg/m3 (0) 3.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A N/A 4.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 0.0 μg/m3 (0) 4.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 0.0 μg/m3 (0) 6.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 3.0 μg/m3 (13) 18.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 3.0 μg/m3 (13) 20.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.0 μg/m3 (5) 22.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.0 μg/m3 (5) 21.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.0 μg/m3 (5) 22.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 0.0 μg/m3 (0) 5.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) 0.0
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 0.0 μg/m3 (0) 3.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) 0.0
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) 0.0
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 0.0 μg/m3 (0) 2.0