ID: 5323

AQSQID: 000103904

Site Name: Kitimat Whitesail

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

Updated: Oct. 24, 2021, 8:01 a.m.

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

Reporting: True, Located: True

Current AQI: 25.0

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
Oct. 24, 2021, 6 a.m. N/A 2.4 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 24, 2021, 5 a.m. N/A 2.0 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 24, 2021, 4 a.m. N/A 2.4 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 24, 2021, 3 a.m. N/A 1.5 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 3.0 μg/m3 (13) 15.0
 
Oct. 24, 2021, 2 a.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Oct. 24, 2021, 1 a.m. N/A 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 24, 2021, midnight N/A 1.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Oct. 23, 2021, 11 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Oct. 23, 2021, 10 p.m. N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
Oct. 23, 2021, 9 p.m. N/A 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
Oct. 23, 2021, 8 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
Oct. 23, 2021, 7 p.m. N/A 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Oct. 23, 2021, 6 p.m. N/A 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Oct. 23, 2021, 5 p.m. N/A 2.2 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 4 p.m. N/A 2.6 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 23, 2021, 3 p.m. N/A 2.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 23, 2021, 2 p.m. N/A 1.9 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 23, 2021, 1 p.m. N/A 1.8 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 23, 2021, noon N/A 2.2 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2021, 11 a.m. N/A 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 23, 2021, 10 a.m. N/A 2.6 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 23, 2021, 9 a.m. N/A 2.3 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 23, 2021, 8 a.m. N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 7 a.m. N/A 2.4 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 6 a.m. N/A 1.8 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 23, 2021, 5 a.m. N/A 1.3 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 23, 2021, 4 a.m. N/A 1.5 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 23, 2021, 3 a.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 2 a.m. N/A 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 2.0 μg/m3 (9) 22.0
 
Oct. 23, 2021, 1 a.m. N/A 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 0.0 μg/m3 (0) 26.0
 
Oct. 23, 2021, midnight N/A 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 0.0 μg/m3 (0) 26.0
 
Oct. 22, 2021, 11 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Oct. 22, 2021, 10 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Oct. 22, 2021, 9 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Oct. 22, 2021, 8 p.m. N/A 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 3.0 μg/m3 (13) 26.0
 
Oct. 22, 2021, 7 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Oct. 22, 2021, 6 p.m. N/A 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Oct. 22, 2021, 5 p.m. N/A 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Oct. 22, 2021, 4 p.m. N/A 1.9 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Oct. 22, 2021, 3 p.m. N/A 2.2 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 3.0 μg/m3 (13) 19.0
 
Oct. 22, 2021, 2 p.m. N/A 1.8 ppb (2) N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 22, 2021, 1 p.m. N/A 2.6 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 22, 2021, noon N/A 2.6 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 22, 2021, 11 a.m. N/A 2.4 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 22, 2021, 10 a.m. N/A 2.8 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 22, 2021, 9 a.m. N/A 2.6 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 22, 2021, 8 a.m. N/A 3.2 ppb (4) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 22, 2021, 7 a.m. N/A 2.9 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 22, 2021, 6 a.m. N/A 2.5 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 22, 2021, 5 a.m. N/A 2.4 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 22, 2021, 4 a.m. N/A 3.1 ppb (3) 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
 
Oct. 22, 2021, 3 a.m. N/A 1.8 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 22, 2021, 2 a.m. N/A 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 22, 2021, 1 a.m. N/A 1.4 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 22, 2021, midnight 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
Oct. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 21, 2021, 6 p.m. N/A 2.2 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 21, 2021, 5 p.m. N/A 2.8 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 21, 2021, 4 p.m. N/A 2.5 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 21, 2021, 3 p.m. N/A 2.5 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 21, 2021, 2 p.m. N/A 2.4 ppb (3) 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
 
Oct. 21, 2021, 1 p.m. N/A 1.5 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
 
Oct. 21, 2021, noon N/A 2.3 ppb (3) 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
 
Oct. 21, 2021, 11 a.m. N/A 2.4 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 21, 2021, 10 a.m. N/A 2.5 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 21, 2021, 9 a.m. N/A 2.5 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 21, 2021, 8 a.m. N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 21, 2021, 7 a.m. N/A 3.2 ppb (4) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 21, 2021, 6 a.m. N/A 2.7 ppb (3) N/A 2.0 ppb (2) N/A 6.0 ppb (9) 5.0 ppb (5) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 21, 2021, 5 a.m. N/A 1.9 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 21, 2021, 4 a.m. N/A 2.3 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 21, 2021, 3 a.m. N/A 1.4 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 21, 2021, 2 a.m. N/A 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 12.0 μg/m3 (50) 50.0
 
Oct. 21, 2021, 1 a.m. N/A 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 21, 2021, midnight N/A 1.6 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 20, 2021, 11 p.m. N/A 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 20, 2021, 10 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 20, 2021, 2 p.m. N/A 2.2 ppb (3) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 20, 2021, 1 p.m. N/A 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 20, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 20, 2021, 11 a.m. N/A 1.6 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 20, 2021, 10 a.m. N/A 1.6 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 20, 2021, 9 a.m. N/A 1.2 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 20, 2021, 8 a.m. N/A 1.5 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 20, 2021, 7 a.m. N/A 1.4 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 20, 2021, 6 a.m. N/A 1.7 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 20, 2021, 5 a.m. N/A 1.6 ppb (2) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (13) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 20, 2021, 4 a.m. N/A 1.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 20, 2021, 3 a.m. N/A 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 20, 2021, 2 a.m. N/A 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 20, 2021, 1 a.m. N/A 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 20, 2021, midnight N/A 1.6 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 19, 2021, 11 p.m. N/A 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 10 p.m. N/A 1.5 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 9 p.m. N/A 1.5 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 8 p.m. N/A 1.7 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 19, 2021, 7 p.m. N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 6 p.m. N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 5 p.m. N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 19, 2021, 4 p.m. N/A 2.3 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 12.0 μg/m3 (50) 50.0
 
Oct. 19, 2021, 3 p.m. N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 2 p.m. N/A 1.6 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 1 p.m. N/A 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, noon N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 19, 2021, 10 a.m. N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 19, 2021, 9 a.m. N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 19, 2021, 8 a.m. N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 19, 2021, 7 a.m. N/A 1.5 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 6 a.m. N/A 1.8 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 5 a.m. N/A 1.8 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 19, 2021, 4 a.m. N/A 2.2 ppb (3) N/A 1.0 ppb (1) N/A N/A 8.0 ppb (8) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 19, 2021, 3 a.m. N/A 2.2 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 19, 2021, 2 a.m. N/A 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 1 a.m. N/A 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, midnight N/A 2.5 ppb (3) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 18, 2021, 11 p.m. N/A 2.6 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 18, 2021, 10 p.m. N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 18, 2021, 9 p.m. N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 18, 2021, 8 p.m. N/A 1.7 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 18, 2021, 7 p.m. N/A 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 18, 2021, 6 p.m. N/A 2.5 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 18, 2021, 5 p.m. N/A 2.2 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 18, 2021, 4 p.m. N/A 2.8 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 18, 2021, 3 p.m. N/A 3.1 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 18, 2021, 2 p.m. N/A 2.4 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 18, 2021, 1 p.m. N/A 2.3 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 18, 2021, noon N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.0 μg/m3 (5) 5.0
 
Oct. 18, 2021, 11 a.m. N/A 2.8 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 1.0 μg/m3 (5) 5.0
 
Oct. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 18, 2021, 9 a.m. N/A 2.2 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 18, 2021, 8 a.m. N/A 2.9 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 18, 2021, 7 a.m. N/A 2.8 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 18, 2021, 6 a.m. N/A 2.5 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 18, 2021, 5 a.m. N/A 2.7 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 18, 2021, 4 a.m. N/A 3.2 ppb (4) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 18, 2021, 3 a.m. N/A 2.6 ppb (3) N/A 2.0 ppb (2) N/A N/A 4.0 ppb (4) N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 18, 2021, 2 a.m. N/A 3.0 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 18.0 μg/m3 (64) 64.0
 
Oct. 18, 2021, 1 a.m. N/A 2.3 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 18, 2021, midnight N/A 1.4 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 17, 2021, 11 p.m. N/A 1.4 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Oct. 17, 2021, 10 p.m. N/A 1.4 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2021, 9 p.m. N/A 1.7 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 1.0 μg/m3 (5) 18.0
 
Oct. 17, 2021, 8 p.m. N/A 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 1.0 μg/m3 (5) 16.0
 
Oct. 17, 2021, 7 p.m. N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 17, 2021, 6 p.m. N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 17, 2021, 5 p.m. N/A 2.9 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 17, 2021, 4 p.m. N/A 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 17, 2021, 3 p.m. N/A 1.8 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 17, 2021, 2 p.m. N/A 1.6 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 17, 2021, 1 p.m. N/A 1.7 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 17, 2021, noon N/A 1.5 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 17, 2021, 11 a.m. N/A 1.4 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2021, 10 a.m. N/A 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 17, 2021, 9 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
 
Oct. 17, 2021, 8 a.m. N/A 1.4 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 17, 2021, 7 a.m. N/A 1.3 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2021, 6 a.m. N/A 1.7 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 17, 2021, 5 a.m. N/A 1.8 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2021, 4 a.m. N/A 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 17, 2021, 3 a.m. N/A 2.0 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 17, 2021, 2 a.m. N/A 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 5.0 ppb (5) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 17, 2021, 1 a.m. N/A 1.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 6.0 μg/m3 (25) 25.0