ID: 2729

AQSQID: CC0050126

Site Name: Sainte-Anne-De-Bellevue

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

Updated: Aug. 1, 2021, 3:53 a.m.

Location: Sainte-Anne-De-Bellevue (St Anne Nord), N/A

Reporting: True, Located: True

Current AQI: 23.0

Sainte-Anne-De-Bellevue (St Anne Nord) N/A, CA: 45.426509, -73.928944

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 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.1 μg/m3 (18) 23.0
 
Aug. 1, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 4.3 μg/m3 (18) 21.0
 
Aug. 1, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.8 μg/m3 (16) 23.0
 
July 31, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.8 μg/m3 (16) 24.0
 
July 31, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
July 31, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.8 μg/m3 (16) 26.0
 
July 31, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
July 31, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 3.6 μg/m3 (16) 27.0
 
July 31, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 3.3 μg/m3 (14) 27.0
 
July 31, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 2.6 μg/m3 (11) 27.0
 
July 31, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
July 31, 2021, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
July 31, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 2.3 μg/m3 (10) 21.0
 
July 31, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 2.4 μg/m3 (10) 15.0
 
July 31, 2021, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 2.5 μg/m3 (11) 13.0
 
July 31, 2021, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 2.5 μg/m3 (11) 13.0
 
July 31, 2021, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 2.5 μg/m3 (11) 14.0
 
July 31, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 2.7 μg/m3 (12) 15.0
 
July 31, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 2.9 μg/m3 (13) 13.0
 
July 31, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 2.8 μg/m3 (12) 15.0
 
July 31, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 2.4 μg/m3 (10) 16.0
 
July 31, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 2.1 μg/m3 (9) 20.0
 
July 31, 2021, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
July 31, 2021, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
July 31, 2021, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
July 31, 2021, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
July 31, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.0 μg/m3 (9) 24.0
 
July 30, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.0 μg/m3 (9) 24.0
 
July 30, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.8 μg/m3 (8) 23.0
 
July 30, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.7 μg/m3 (8) 22.0
 
July 30, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.5 μg/m3 (7) 22.0
 
July 30, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.5 μg/m3 (7) 22.0
 
July 30, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 2.0 μg/m3 (9) 20.0
 
July 30, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 2.3 μg/m3 (10) 20.0
 
July 30, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 2.7 μg/m3 (12) 21.0
 
July 30, 2021, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
July 30, 2021, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
July 30, 2021, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.3 μg/m3 (14) 23.0
 
July 30, 2021, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 5.6 μg/m3 (24) 24.0
 
July 30, 2021, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 7.3 μg/m3 (31) 31.0
 
July 30, 2021, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 8.2 μg/m3 (35) 35.0
 
July 30, 2021, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 8.4 μg/m3 (36) 36.0
 
July 30, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 30, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 9.9 μg/m3 (42) 42.0
 
July 30, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 11.3 μg/m3 (48) 48.0
 
July 30, 2021, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 12.5 μg/m3 (52) 52.0
 
July 30, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 30, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 10.5 μg/m3 (44) 44.0
 
July 30, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 30, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 30, 2021, midnight N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 8.7 μg/m3 (37) 37.0
 
July 29, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 7.3 μg/m3 (31) 31.0
 
July 29, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 5.6 μg/m3 (24) 24.0
 
July 29, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 5.3 μg/m3 (23) 23.0
 
July 29, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 29, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 29, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 29, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 29, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 4.0 ppb (6) 16.0 ppb (15) N/A N/A 3.8 μg/m3 (16) 16.0
 
July 29, 2021, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 17.0 ppb (16) N/A N/A 3.4 μg/m3 (15) 16.0
 
July 29, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 3.0 μg/m3 (13) 14.0
 
July 29, 2021, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A 5.0 ppb (8) 11.0 ppb (11) N/A N/A 3.5 μg/m3 (15) 15.0
 
July 29, 2021, 10 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 3.7 μg/m3 (16) 16.0
 
July 29, 2021, 9 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 3.0 μg/m3 (13) 13.0
 
July 29, 2021, 8 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 2.9 μg/m3 (13) 14.0
 
July 29, 2021, 7 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 2.2 μg/m3 (10) 11.0
 
July 29, 2021, 6 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 2.1 μg/m3 (9) 11.0
 
July 29, 2021, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 2.2 μg/m3 (10) 13.0
 
July 29, 2021, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 3.3 μg/m3 (14) 17.0
 
July 29, 2021, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.4 μg/m3 (15) 21.0
 
July 29, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.6 μg/m3 (16) 24.0
 
July 29, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
July 29, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
July 28, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.6 μg/m3 (16) 28.0
 
July 28, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 2.9 μg/m3 (13) 31.0
 
July 28, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 2.6 μg/m3 (11) 35.0
 
July 28, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 1.5 μg/m3 (7) 31.0
 
July 28, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
July 28, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 1.3 μg/m3 (6) 33.0
 
July 28, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 1.3 μg/m3 (6) 33.0
 
July 28, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 1.4 μg/m3 (6) 29.0
 
July 28, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.3 μg/m3 (6) 25.0
 
July 28, 2021, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 1.5 μg/m3 (7) 20.0
 
July 28, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) 16.0 ppb (15) N/A N/A 1.6 μg/m3 (7) 15.0
 
July 28, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 15.0 ppb (14) N/A N/A 1.6 μg/m3 (7) 14.0
 
July 28, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 1.7 μg/m3 (8) 11.0
 
July 28, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 1.8 μg/m3 (8) 10.0
 
July 28, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 2.3 μg/m3 (10) 10.0
 
July 28, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 2.5 μg/m3 (11) 11.0
 
July 28, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 3.0 μg/m3 (13) 13.0
 
July 28, 2021, 6 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 4.1 μg/m3 (18) 18.0
 
July 28, 2021, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 4.3 μg/m3 (18) 18.0
 
July 28, 2021, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 28, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 28, 2021, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 28, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 5.6 μg/m3 (24) 24.0
 
July 28, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 5.1 μg/m3 (22) 22.0
 
July 27, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 27, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
July 27, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
July 27, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.7 μg/m3 (20) 23.0
 
July 27, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 4.3 μg/m3 (18) 21.0
 
July 27, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 6.1 μg/m3 (26) 26.0
 
July 27, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 9.4 μg/m3 (40) 40.0
 
July 27, 2021, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 27, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 27, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 27, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 10.1 μg/m3 (43) 43.0
 
July 27, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 11.3 μg/m3 (48) 48.0
 
July 27, 2021, 11 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 27, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 10.6 μg/m3 (45) 45.0
 
July 27, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 11.8 μg/m3 (50) 50.0
 
July 27, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 12.8 μg/m3 (53) 53.0
 
July 27, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 12.5 μg/m3 (52) 52.0
 
July 27, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 11.9 μg/m3 (50) 50.0
 
July 27, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 12.3 μg/m3 (52) 52.0
 
July 27, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 27, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 13.9 μg/m3 (55) 55.0
 
July 27, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 15.1 μg/m3 (58) 58.0
 
July 27, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 17.2 μg/m3 (62) 62.0
 
July 27, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 20.3 μg/m3 (69) 69.0
 
July 26, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 20.5 μg/m3 (69) 69.0
 
July 26, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 23.7 μg/m3 (76) 76.0
 
July 26, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 24.7 μg/m3 (78) 78.0
 
July 26, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 28.3 μg/m3 (86) 86.0
 
July 26, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 36.3 μg/m3 (103) 103.0
 
July 26, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 45.4 μg/m3 (126) 126.0
 
July 26, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 64.4 μg/m3 (156) 156.0
 
July 26, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 73.2 μg/m3 (161) 161.0
 
July 26, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 51.5 μg/m3 (141) 141.0
 
July 26, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 28.6 μg/m3 (86) 86.0
 
July 26, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 22.3 μg/m3 (73) 73.0
 
July 26, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 19.4 μg/m3 (67) 67.0
 
July 26, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 19.1 μg/m3 (66) 66.0
 
July 26, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 22.5 μg/m3 (73) 73.0
 
July 26, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 22.3 μg/m3 (73) 73.0
 
July 26, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 19.3 μg/m3 (67) 67.0
 
July 26, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 19.4 μg/m3 (67) 67.0
 
July 26, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 19.6 μg/m3 (67) 67.0
 
July 26, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 17.2 μg/m3 (62) 62.0
 
July 26, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 11.6 μg/m3 (49) 49.0
 
July 26, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 23.8 μg/m3 (76) 76.0
 
July 26, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 29.3 μg/m3 (88) 88.0
 
July 26, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 31.0 μg/m3 (91) 91.0
 
July 26, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 33.0 μg/m3 (95) 95.0
 
July 25, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 21.9 μg/m3 (72) 72.0
 
July 25, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 20.3 μg/m3 (69) 69.0
 
July 25, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 21.3 μg/m3 (71) 71.0
 
July 25, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 16.8 μg/m3 (61) 61.0
 
July 25, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 13.2 μg/m3 (54) 54.0
 
July 25, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 10.5 μg/m3 (44) 44.0
 
July 25, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 8.4 μg/m3 (36) 42.0
 
July 25, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 7.1 μg/m3 (30) 42.0
 
July 25, 2021, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 5.6 μg/m3 (24) 39.0
 
July 25, 2021, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0
 
July 25, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 5.5 μg/m3 (23) 34.0
 
July 25, 2021, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 25, 2021, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 10.2 μg/m3 (43) 43.0
 
July 25, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 10.4 μg/m3 (44) 44.0
 
July 25, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 7.8 μg/m3 (33) 33.0
 
July 25, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 6.8 μg/m3 (29) 29.0
 
July 25, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 6.8 μg/m3 (29) 29.0
 
July 25, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 25, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 6.5 μg/m3 (28) 28.0
 
July 25, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 5.4 μg/m3 (23) 28.0
 
July 25, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 6.1 μg/m3 (26) 28.0