ID: 2736

AQSQID: CC0050135

Site Name: Caserne 17

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

Updated: Aug. 1, 2021, 3:54 a.m.

Location: Montréal (Dist-Marie-Clarac), N/A

Reporting: True, Located: True

Current AQI: 29.0

Montréal (Dist-Marie-Clarac) N/A, CA: 45.593325, -73.637328

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.16 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Aug. 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.16 ppb (3) N/A 6.1 μg/m3 (26) 26.0
 
Aug. 1, 2021, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.13 ppb (2) N/A 5.1 μg/m3 (22) 22.0
 
July 31, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.13 ppb (2) N/A 4.6 μg/m3 (20) 23.0
 
July 31, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.13 ppb (2) N/A 3.8 μg/m3 (16) 24.0
 
July 31, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.14 ppb (2) N/A 3.3 μg/m3 (14) 24.0
 
July 31, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 25.0
 
July 31, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.13 ppb (2) N/A 1.8 μg/m3 (8) 25.0
 
July 31, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.14 ppb (2) N/A 1.6 μg/m3 (7) 25.0
 
July 31, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.13 ppb (2) N/A 1.4 μg/m3 (6) 25.0
 
July 31, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.11 ppb (2) N/A 1.3 μg/m3 (6) 25.0
 
July 31, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.11 ppb (2) N/A 1.1 μg/m3 (5) 26.0
 
July 31, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.11 ppb (2) N/A 1.1 μg/m3 (5) 25.0
 
July 31, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.11 ppb (2) N/A 1.3 μg/m3 (6) 20.0
 
July 31, 2021, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.11 ppb (2) N/A 1.8 μg/m3 (8) 16.0
 
July 31, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.11 ppb (2) N/A 2.1 μg/m3 (9) 14.0
 
July 31, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.11 ppb (2) N/A 2.4 μg/m3 (10) 13.0
 
July 31, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.11 ppb (2) N/A 2.2 μg/m3 (10) 13.0
 
July 31, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.1 ppb (2) N/A 1.3 μg/m3 (6) 16.0
 
July 31, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.11 ppb (2) N/A 1.2 μg/m3 (5) 17.0
 
July 31, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.11 ppb (2) N/A 1.1 μg/m3 (5) 18.0
 
July 31, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.11 ppb (2) N/A 0.8 μg/m3 (4) 18.0
 
July 31, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.11 ppb (2) N/A 0.8 μg/m3 (4) 18.0
 
July 31, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.12 ppb (2) N/A 1.0 μg/m3 (5) 19.0
 
July 31, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.11 ppb (2) N/A 1.0 μg/m3 (5) 19.0
 
July 31, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.12 ppb (2) N/A 1.1 μg/m3 (5) 19.0
 
July 31, 2021, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.11 ppb (2) N/A 1.0 μg/m3 (5) 20.0
 
July 30, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.12 ppb (2) N/A 1.1 μg/m3 (5) 20.0
 
July 30, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.13 ppb (2) N/A 1.4 μg/m3 (6) 18.0
 
July 30, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.13 ppb (2) N/A 1.3 μg/m3 (6) 18.0
 
July 30, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.12 ppb (2) N/A 1.0 μg/m3 (5) 20.0
 
July 30, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.11 ppb (2) N/A 0.8 μg/m3 (4) 20.0
 
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.12 ppb (2) N/A 1.0 μg/m3 (5) 19.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.12 ppb (2) N/A 1.1 μg/m3 (5) 20.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.14 ppb (2) N/A 1.2 μg/m3 (5) 21.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.15 ppb (2) N/A 1.2 μg/m3 (5) 25.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.15 ppb (2) N/A 1.0 μg/m3 (5) 22.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.16 ppb (3) N/A 2.3 μg/m3 (10) 20.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.17 ppb (3) N/A 4.3 μg/m3 (18) 19.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.21 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.18 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.17 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.16 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.17 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.17 ppb (3) N/A 8.9 μg/m3 (38) 38.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.17 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.2 ppb (3) N/A 8.9 μg/m3 (38) 38.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.2 ppb (3) N/A 7.8 μg/m3 (33) 33.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.22 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.2 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.21 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.21 ppb (3) N/A 5.1 μg/m3 (22) 22.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.18 ppb (3) N/A 4.4 μg/m3 (19) 19.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.2 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.22 ppb (3) N/A 3.6 μg/m3 (16) 16.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.18 ppb (3) N/A 3.8 μg/m3 (16) 18.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.16 ppb (3) N/A 3.6 μg/m3 (16) 20.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.17 ppb (3) N/A 4.4 μg/m3 (19) 19.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.19 ppb (3) N/A 5.3 μg/m3 (23) 23.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.18 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.18 ppb (3) N/A 4.4 μg/m3 (19) 19.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.19 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.18 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.21 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.18 ppb (3) N/A 4.9 μg/m3 (21) 21.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.15 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.13 ppb (2) N/A 3.2 μg/m3 (14) 14.0
 
July 29, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.15 ppb (2) N/A 3.3 μg/m3 (14) 14.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.17 ppb (3) N/A 3.4 μg/m3 (15) 15.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.18 ppb (3) N/A 3.3 μg/m3 (14) 15.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.21 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.2 ppb (3) N/A 3.9 μg/m3 (17) 20.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.2 ppb (3) N/A 4.6 μg/m3 (20) 21.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.19 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
July 29, 2021, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.17 ppb (3) N/A 5.2 μg/m3 (22) 25.0
 
July 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.15 ppb (2) N/A 2.8 μg/m3 (12) 25.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.15 ppb (2) N/A 2.6 μg/m3 (11) 25.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.17 ppb (3) N/A 2.5 μg/m3 (11) 27.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.14 ppb (2) N/A 2.8 μg/m3 (12) 31.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.14 ppb (2) N/A 2.2 μg/m3 (10) 32.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.13 ppb (2) N/A 1.9 μg/m3 (8) 27.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.13 ppb (2) N/A 4.8 μg/m3 (20) 25.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.13 ppb (2) N/A 2.2 μg/m3 (10) 26.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.13 ppb (2) N/A 2.1 μg/m3 (9) 25.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.14 ppb (2) N/A 3.1 μg/m3 (13) 21.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.16 ppb (3) N/A 3.1 μg/m3 (13) 16.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.21 ppb (3) N/A 4.9 μg/m3 (21) 21.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.21 ppb (3) N/A 3.8 μg/m3 (16) 16.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.16 ppb (3) N/A 2.9 μg/m3 (13) 13.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.16 ppb (3) N/A 2.7 μg/m3 (12) 12.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.16 ppb (3) N/A 3.4 μg/m3 (15) 15.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.2 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.22 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.23 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.22 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.23 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.32 ppb (4) N/A 7.5 μg/m3 (32) 32.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.22 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.21 ppb (3) N/A 4.6 μg/m3 (20) 20.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.2 ppb (3) N/A 4.6 μg/m3 (20) 20.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.19 ppb (3) N/A 3.9 μg/m3 (17) 19.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.22 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.23 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.25 ppb (3) N/A 7.3 μg/m3 (31) 31.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.21 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.22 ppb (3) N/A 6.8 μg/m3 (29) 29.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.23 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.25 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.25 ppb (3) N/A 8.5 μg/m3 (36) 36.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.29 ppb (4) N/A 10.9 μg/m3 (46) 46.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.31 ppb (4) N/A 13.2 μg/m3 (54) 54.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.29 ppb (4) N/A 13.2 μg/m3 (54) 54.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.29 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.3 ppb (4) N/A 14.2 μg/m3 (56) 56.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.31 ppb (4) N/A 14.8 μg/m3 (57) 57.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.32 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.3 ppb (4) N/A 16.2 μg/m3 (60) 60.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.28 ppb (4) N/A 15.6 μg/m3 (59) 59.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.31 ppb (4) N/A 18.3 μg/m3 (65) 65.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.34 ppb (4) N/A 19.4 μg/m3 (67) 67.0
 
July 27, 2021, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.45 ppb (6) N/A 25.6 μg/m3 (80) 80.0
 
July 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.42 ppb (5) N/A 24.2 μg/m3 (77) 77.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.43 ppb (5) N/A 24.2 μg/m3 (77) 77.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.43 ppb (5) N/A 25.3 μg/m3 (79) 79.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.45 ppb (6) N/A 31.0 μg/m3 (91) 91.0
 
July 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.48 ppb (6) N/A 37.3 μg/m3 (106) 106.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.54 ppb (6) N/A 52.1 μg/m3 (142) 142.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.6 ppb (7) N/A 79.9 μg/m3 (164) 164.0
 
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.61 ppb (7) N/A 86.6 μg/m3 (168) 168.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.43 ppb (5) N/A 39.8 μg/m3 (112) 112.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.38 ppb (5) N/A 23.3 μg/m3 (75) 75.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.36 ppb (5) N/A 22.5 μg/m3 (73) 73.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.35 ppb (4) N/A 20.4 μg/m3 (69) 69.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.34 ppb (4) N/A 18.5 μg/m3 (65) 65.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.34 ppb (4) N/A 17.3 μg/m3 (62) 62.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.32 ppb (4) N/A 15.2 μg/m3 (58) 58.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.31 ppb (4) N/A 16.6 μg/m3 (61) 61.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.31 ppb (4) N/A 16.8 μg/m3 (61) 61.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.31 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.32 ppb (4) N/A 19.5 μg/m3 (67) 67.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.32 ppb (4) N/A 22.2 μg/m3 (73) 73.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.31 ppb (4) N/A 25.4 μg/m3 (79) 79.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.31 ppb (4) N/A 28.9 μg/m3 (87) 87.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.27 ppb (4) N/A 22.8 μg/m3 (74) 74.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.25 ppb (3) N/A 19.4 μg/m3 (67) 67.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.23 ppb (3) N/A 21.3 μg/m3 (71) 71.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.25 ppb (3) N/A 24.8 μg/m3 (78) 78.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 0.2 ppb (3) N/A 9.3 μg/m3 (39) 42.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.19 ppb (3) N/A 7.3 μg/m3 (31) 41.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) N/A 8.8 μg/m3 (37) 41.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.19 ppb (3) N/A 5.4 μg/m3 (23) 38.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.19 ppb (3) N/A 3.5 μg/m3 (15) 36.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.18 ppb (3) N/A 2.2 μg/m3 (10) 36.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.19 ppb (3) N/A 1.8 μg/m3 (8) 34.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.2 ppb (3) N/A 3.1 μg/m3 (13) 31.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.2 ppb (3) N/A 6.4 μg/m3 (27) 31.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.2 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.21 ppb (3) N/A 5.3 μg/m3 (23) 27.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.2 ppb (3) N/A 4.4 μg/m3 (19) 27.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.18 ppb (3) N/A 4.2 μg/m3 (18) 26.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.18 ppb (3) N/A 3.6 μg/m3 (16) 24.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.18 ppb (3) N/A 4.2 μg/m3 (18) 25.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.17 ppb (3) N/A 3.3 μg/m3 (14) 28.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.17 ppb (3) N/A 3.3 μg/m3 (14) 27.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.17 ppb (3) N/A 2.9 μg/m3 (13) 26.0