ID: 2729

AQSQID: CC0050126

Site Name: Sainte-Anne-De-Bellevue

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

Updated: Sept. 22, 2021, 11:02 a.m.

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

Reporting: True, Located: True

Current AQI: 26.0

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
Sept. 15, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 7.2 μg/m3 (31) 38.0
 
Sept. 15, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 15, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 17.0 μg/m3 (62) 62.0
 
Sept. 15, 2021, 6 a.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 19.5 μg/m3 (67) 67.0
 
Sept. 15, 2021, 5 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 14.6 μg/m3 (57) 57.0
 
Sept. 15, 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 12.2 μg/m3 (52) 52.0
 
Sept. 15, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 15, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 15, 2021, 1 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 4.5 μg/m3 (19) 24.0
 
Sept. 15, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 4.1 μg/m3 (18) 25.0
 
Sept. 14, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.8 μg/m3 (16) 26.0
 
Sept. 14, 2021, 10 p.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 3.7 μg/m3 (16) 25.0
 
Sept. 14, 2021, 9 p.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 3.3 μg/m3 (14) 27.0
 
Sept. 14, 2021, 8 p.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 2.7 μg/m3 (12) 27.0
 
Sept. 14, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 2.6 μg/m3 (11) 26.0
 
Sept. 14, 2021, 6 p.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 2.0 μg/m3 (9) 25.0
 
Sept. 14, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 2.1 μg/m3 (9) 21.0
 
Sept. 14, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 2.0 μg/m3 (9) 20.0
 
Sept. 14, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 2.5 μg/m3 (11) 17.0
 
Sept. 14, 2021, 2 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 2.9 μg/m3 (13) 15.0
 
Sept. 14, 2021, 1 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 3.2 μg/m3 (14) 14.0
 
Sept. 14, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 2.9 μg/m3 (13) 13.0
 
Sept. 14, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 2.0 μg/m3 (9) 9.0
 
Sept. 14, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 1.8 μg/m3 (8) 8.0
 
Sept. 14, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 1.8 μg/m3 (8) 9.0
 
Sept. 14, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 1.8 μg/m3 (8) 8.0
 
Sept. 14, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 1.9 μg/m3 (8) 10.0
 
Sept. 14, 2021, 6 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 1.9 μg/m3 (8) 13.0
 
Sept. 14, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 1.8 μg/m3 (8) 13.0
 
Sept. 14, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 1.9 μg/m3 (8) 12.0
 
Sept. 14, 2021, 3 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 1.9 μg/m3 (8) 14.0
 
Sept. 14, 2021, 2 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 1.9 μg/m3 (8) 16.0
 
Sept. 14, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 1.7 μg/m3 (8) 18.0
 
Sept. 14, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.8 μg/m3 (8) 20.0
 
Sept. 13, 2021, 11 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 1.7 μg/m3 (8) 21.0
 
Sept. 13, 2021, 10 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 1.6 μg/m3 (7) 22.0
 
Sept. 13, 2021, 9 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 1.7 μg/m3 (8) 23.0
 
Sept. 13, 2021, 8 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 2.2 μg/m3 (10) 23.0
 
Sept. 13, 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 1.6 μg/m3 (7) 22.0
 
Sept. 13, 2021, 6 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
 
Sept. 13, 2021, 5 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 1.6 μg/m3 (7) 22.0
 
Sept. 13, 2021, 4 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 1.6 μg/m3 (7) 23.0
 
Sept. 13, 2021, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 1.7 μg/m3 (8) 18.0
 
Sept. 13, 2021, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 1.9 μg/m3 (8) 14.0
 
Sept. 13, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 1.8 μg/m3 (8) 13.0
 
Sept. 13, 2021, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 1.9 μg/m3 (8) 13.0
 
Sept. 13, 2021, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 2.3 μg/m3 (10) 11.0
 
Sept. 13, 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 2.4 μg/m3 (10) 11.0
 
Sept. 13, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 2.7 μg/m3 (12) 12.0
 
Sept. 13, 2021, 8 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 2.8 μg/m3 (12) 12.0
 
Sept. 13, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 2.7 μg/m3 (12) 12.0
 
Sept. 13, 2021, 6 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 2.7 μg/m3 (12) 12.0
 
Sept. 13, 2021, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 13, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 3.2 μg/m3 (14) 14.0
 
Sept. 13, 2021, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 3.0 μg/m3 (13) 13.0
 
Sept. 13, 2021, 2 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 3.2 μg/m3 (14) 16.0
 
Sept. 13, 2021, 1 a.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 3.6 μg/m3 (16) 21.0
 
Sept. 13, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 4.7 μg/m3 (20) 22.0
 
Sept. 12, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 5.2 μg/m3 (22) 24.0
 
Sept. 12, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 5.6 μg/m3 (24) 25.0
 
Sept. 12, 2021, 9 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 5.6 μg/m3 (24) 27.0
 
Sept. 12, 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 5.2 μg/m3 (22) 27.0
 
Sept. 12, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
Sept. 12, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.3 μg/m3 (27) 29.0
 
Sept. 12, 2021, 5 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 6.4 μg/m3 (27) 31.0
 
Sept. 12, 2021, 4 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 6.6 μg/m3 (28) 31.0
 
Sept. 12, 2021, 3 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 7.4 μg/m3 (31) 31.0
 
Sept. 12, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 6.9 μg/m3 (29) 31.0
 
Sept. 12, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 6.6 μg/m3 (28) 31.0
 
Sept. 12, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.2 μg/m3 (26) 30.0
 
Sept. 12, 2021, 11 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 5.6 μg/m3 (24) 32.0
 
Sept. 12, 2021, 10 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 5.1 μg/m3 (22) 33.0
 
Sept. 12, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 5.3 μg/m3 (23) 34.0
 
Sept. 12, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 5.2 μg/m3 (22) 38.0
 
Sept. 12, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 3.0 ppb (5) 40.0 ppb (38) N/A N/A 5.1 μg/m3 (22) 38.0
 
Sept. 12, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 38.0 ppb (36) N/A N/A 4.9 μg/m3 (21) 36.0
 
Sept. 12, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
Sept. 12, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.7 μg/m3 (20) 32.0
 
Sept. 12, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
Sept. 12, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 5.2 μg/m3 (22) 26.0
 
Sept. 12, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 5.4 μg/m3 (23) 26.0
 
Sept. 12, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 5.1 μg/m3 (22) 27.0
 
Sept. 11, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.9 μg/m3 (21) 26.0
 
Sept. 11, 2021, 10 p.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 4.6 μg/m3 (20) 27.0
 
Sept. 11, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.1 μg/m3 (18) 26.0
 
Sept. 11, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
Sept. 11, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 4.4 μg/m3 (19) 29.0
 
Sept. 11, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.3 μg/m3 (18) 29.0
 
Sept. 11, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
Sept. 11, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Sept. 11, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.6 μg/m3 (16) 24.0
 
Sept. 11, 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 3.0 μg/m3 (13) 21.0
 
Sept. 11, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 2.6 μg/m3 (11) 18.0
 
Sept. 11, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 2.4 μg/m3 (10) 16.0
 
Sept. 11, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 3.6 μg/m3 (16) 16.0
 
Sept. 11, 2021, 10 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 3.7 μg/m3 (16) 16.0
 
Sept. 11, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 3.4 μg/m3 (15) 15.0
 
Sept. 11, 2021, 8 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 3.3 μg/m3 (14) 15.0
 
Sept. 11, 2021, 7 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 3.3 μg/m3 (14) 14.0
 
Sept. 11, 2021, 6 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 3.2 μg/m3 (14) 16.0
 
Sept. 11, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 3.2 μg/m3 (14) 18.0
 
Sept. 11, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.2 μg/m3 (14) 19.0
 
Sept. 11, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.2 μg/m3 (14) 21.0
 
Sept. 11, 2021, 2 a.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 3.1 μg/m3 (13) 24.0
 
Sept. 11, 2021, 1 a.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 3.1 μg/m3 (13) 25.0
 
Sept. 11, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
Sept. 10, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 2.7 μg/m3 (12) 28.0
 
Sept. 10, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
Sept. 10, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.5 μg/m3 (11) 30.0
 
Sept. 10, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.5 μg/m3 (11) 30.0
 
Sept. 10, 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 2.3 μg/m3 (10) 27.0
 
Sept. 10, 2021, 6 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 1.9 μg/m3 (8) 23.0
 
Sept. 10, 2021, 5 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 1.8 μg/m3 (8) 21.0
 
Sept. 10, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 1.5 μg/m3 (7) 17.0
 
Sept. 10, 2021, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 1.4 μg/m3 (6) 14.0
 
Sept. 10, 2021, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 1.4 μg/m3 (6) 13.0
 
Sept. 10, 2021, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 1.4 μg/m3 (6) 11.0
 
Sept. 10, 2021, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 1.3 μg/m3 (6) 10.0
 
Sept. 10, 2021, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 1.4 μg/m3 (6) 12.0
 
Sept. 10, 2021, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 1.6 μg/m3 (7) 11.0
 
Sept. 10, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 1.9 μg/m3 (8) 11.0
 
Sept. 10, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 2.2 μg/m3 (10) 12.0
 
Sept. 10, 2021, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 2.3 μg/m3 (10) 12.0
 
Sept. 10, 2021, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 2.6 μg/m3 (11) 13.0
 
Sept. 10, 2021, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 2.7 μg/m3 (12) 12.0
 
Sept. 10, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 2.4 μg/m3 (10) 13.0
 
Sept. 10, 2021, 3 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 2.8 μg/m3 (12) 14.0
 
Sept. 10, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.4 μg/m3 (15) 19.0
 
Sept. 10, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.1 μg/m3 (18) 31.0
 
Sept. 10, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 4.7 μg/m3 (20) 30.0
 
Sept. 9, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 9, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.5 μg/m3 (28) 30.0
 
Sept. 9, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
Sept. 9, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.9 μg/m3 (21) 31.0
 
Sept. 9, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 5.1 μg/m3 (22) 32.0
 
Sept. 9, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 5.6 μg/m3 (24) 34.0
 
Sept. 9, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 6.6 μg/m3 (28) 35.0
 
Sept. 9, 2021, 4 p.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 6.3 μg/m3 (27) 33.0
 
Sept. 9, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 5.2 μg/m3 (22) 26.0
 
Sept. 9, 2021, 2 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 5.3 μg/m3 (23) 24.0
 
Sept. 9, 2021, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 5.8 μg/m3 (25) 25.0
 
Sept. 9, 2021, noon N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 6.5 μg/m3 (28) 28.0
 
Sept. 9, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 9, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 9, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 9, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 9, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 6.6 μg/m3 (28) 28.0
 
Sept. 9, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 9, 2021, 5 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 8.5 μg/m3 (36) 36.0
 
Sept. 9, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 8.4 μg/m3 (36) 36.0
 
Sept. 9, 2021, 3 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 9, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 9, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 9, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 8, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 12.9 μg/m3 (53) 53.0
 
Sept. 8, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 12.3 μg/m3 (52) 52.0
 
Sept. 8, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 11.8 μg/m3 (50) 50.0
 
Sept. 8, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 11.6 μg/m3 (49) 49.0
 
Sept. 8, 2021, 7 p.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 10.0 μg/m3 (42) 42.0
 
Sept. 8, 2021, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 8, 2021, 5 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A N/A 7.4 μg/m3 (31) 31.0
 
Sept. 8, 2021, 4 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A N/A 7.2 μg/m3 (31) 31.0
 
Sept. 8, 2021, 3 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 33.0 ppb (31) N/A N/A 7.2 μg/m3 (31) 31.0
 
Sept. 8, 2021, 2 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 8, 2021, 1 p.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 6.2 μg/m3 (26) 26.0
 
Sept. 8, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 8, 2021, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 8, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 5.1 μg/m3 (22) 22.0