ID: 2736

AQSQID: CC0050135

Site Name: Caserne 17

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

Updated: Oct. 16, 2021, 3:04 p.m.

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

Reporting: True, Located: True

Current AQI: 21.0

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
Oct. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.27 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2021, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.24 ppb (3) N/A 5.1 μg/m3 (22) 22.0
 
Oct. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.22 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Oct. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.23 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Oct. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.24 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
Oct. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.24 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
Oct. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.28 ppb (4) N/A 13.2 μg/m3 (54) 54.0
 
Oct. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.28 ppb (4) N/A 13.8 μg/m3 (55) 55.0
 
Oct. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.29 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.33 ppb (4) N/A 13.8 μg/m3 (55) 55.0
 
Oct. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.33 ppb (4) N/A 14.7 μg/m3 (57) 57.0
 
Oct. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.3 ppb (4) N/A 15.8 μg/m3 (59) 59.0
 
Oct. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.32 ppb (4) N/A 15.4 μg/m3 (58) 58.0
 
Oct. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.31 ppb (4) N/A 14.4 μg/m3 (56) 56.0
 
Oct. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.27 ppb (4) N/A 15.3 μg/m3 (58) 58.0
 
Oct. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.3 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.29 ppb (4) N/A 10.9 μg/m3 (46) 46.0
 
Oct. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.27 ppb (4) N/A 11.9 μg/m3 (50) 50.0
 
Oct. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.27 ppb (4) N/A 12.2 μg/m3 (52) 52.0
 
Oct. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.26 ppb (4) N/A 11.2 μg/m3 (47) 47.0
 
Oct. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.29 ppb (4) N/A 11.2 μg/m3 (47) 47.0
 
Oct. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.28 ppb (4) N/A 14.2 μg/m3 (56) 56.0
 
Oct. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.27 ppb (4) N/A 13.8 μg/m3 (55) 55.0
 
Oct. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.28 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.26 ppb (4) N/A 11.7 μg/m3 (49) 49.0
 
Oct. 15, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.25 ppb (3) N/A 13.1 μg/m3 (54) 54.0
 
Oct. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.23 ppb (3) N/A 15.8 μg/m3 (59) 59.0
 
Oct. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.25 ppb (3) N/A 13.8 μg/m3 (55) 55.0
 
Oct. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.21 ppb (3) N/A 8.5 μg/m3 (36) 36.0
 
Oct. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.22 ppb (3) N/A 11.7 μg/m3 (49) 49.0
 
Oct. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.24 ppb (3) N/A 13.8 μg/m3 (55) 55.0
 
Oct. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.23 ppb (3) N/A 13.8 μg/m3 (55) 55.0
 
Oct. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.25 ppb (3) N/A 14.3 μg/m3 (56) 56.0
 
Oct. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.29 ppb (4) N/A 17.9 μg/m3 (64) 64.0
 
Oct. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.29 ppb (4) N/A 15.1 μg/m3 (58) 58.0
 
Oct. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.31 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
Oct. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.41 ppb (5) N/A 5.5 μg/m3 (23) 23.0
 
Oct. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.41 ppb (5) N/A 5.2 μg/m3 (22) 22.0
 
Oct. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.4 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.3 ppb (4) N/A 2.1 μg/m3 (9) 11.0
 
Oct. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.26 ppb (4) N/A 2.1 μg/m3 (9) 13.0
 
Oct. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.26 ppb (4) N/A 2.6 μg/m3 (11) 12.0
 
Oct. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.24 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
Oct. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.25 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Oct. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.24 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Oct. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.27 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
Oct. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.31 ppb (4) N/A 13.8 μg/m3 (55) 55.0
 
Oct. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.28 ppb (4) N/A 13.8 μg/m3 (55) 55.0
 
Oct. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.25 ppb (3) N/A 14.7 μg/m3 (57) 57.0
 
Oct. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.3 ppb (4) N/A 19.7 μg/m3 (67) 67.0
 
Oct. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.32 ppb (4) N/A 18.7 μg/m3 (65) 65.0
 
Oct. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.35 ppb (4) N/A 14.5 μg/m3 (57) 57.0
 
Oct. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.33 ppb (4) N/A 13.3 μg/m3 (54) 54.0
 
Oct. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.33 ppb (4) N/A 13.3 μg/m3 (54) 54.0
 
Oct. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.33 ppb (4) N/A 13.2 μg/m3 (54) 54.0
 
Oct. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.34 ppb (4) N/A 12.9 μg/m3 (53) 53.0
 
Oct. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.38 ppb (5) N/A 10.3 μg/m3 (43) 43.0
 
Oct. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.35 ppb (4) N/A 9.2 μg/m3 (39) 39.0
 
Oct. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.42 ppb (5) N/A 9.5 μg/m3 (40) 40.0
 
Oct. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.41 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, midnight N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.36 ppb (5) N/A 9.1 μg/m3 (38) 38.0
 
Oct. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.37 ppb (5) N/A 8.2 μg/m3 (35) 35.0
 
Oct. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.32 ppb (4) N/A 6.5 μg/m3 (28) 28.0
 
Oct. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.29 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
Oct. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.26 ppb (4) N/A 5.7 μg/m3 (24) 24.0
 
Oct. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.23 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.21 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.2 ppb (3) N/A 4.5 μg/m3 (19) 21.0
 
Oct. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.2 ppb (3) N/A 4.4 μg/m3 (19) 21.0
 
Oct. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.23 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Oct. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.25 ppb (3) N/A 4.6 μg/m3 (20) 20.0
 
Oct. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.4 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.8 ppb (10) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.66 ppb (8) N/A 6.6 μg/m3 (28) 28.0
 
Oct. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.37 ppb (5) N/A 5.8 μg/m3 (25) 25.0
 
Oct. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.37 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.31 ppb (4) N/A 5.6 μg/m3 (24) 24.0
 
Oct. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.28 ppb (4) N/A 6.5 μg/m3 (28) 28.0
 
Oct. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.27 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
Oct. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.31 ppb (4) N/A 5.3 μg/m3 (23) 23.0
 
Oct. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.31 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
Oct. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.32 ppb (4) N/A 5.7 μg/m3 (24) 24.0
 
Oct. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.29 ppb (4) N/A 6.8 μg/m3 (29) 29.0
 
Oct. 13, 2021, midnight N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.32 ppb (4) N/A 7.3 μg/m3 (31) 31.0
 
Oct. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.33 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Oct. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.25 ppb (3) N/A 5.1 μg/m3 (22) 24.0
 
Oct. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.21 ppb (3) N/A 4.3 μg/m3 (18) 26.0
 
Oct. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.21 ppb (3) N/A 4.4 μg/m3 (19) 25.0
 
Oct. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.2 ppb (3) N/A 4.9 μg/m3 (21) 25.0
 
Oct. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.2 ppb (3) N/A 4.9 μg/m3 (21) 25.0
 
Oct. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.21 ppb (3) N/A 4.4 μg/m3 (19) 24.0
 
Oct. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Oct. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.44 ppb (5) N/A 6.6 μg/m3 (28) 28.0
 
Oct. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.66 ppb (8) N/A 8.5 μg/m3 (36) 36.0
 
Oct. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (10) N/A 10.3 μg/m3 (43) 43.0
 
Oct. 12, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.73 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.51 ppb (6) N/A 10.5 μg/m3 (44) 44.0
 
Oct. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.39 ppb (5) N/A 7.5 μg/m3 (32) 32.0
 
Oct. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.38 ppb (5) N/A 6.7 μg/m3 (28) 28.0
 
Oct. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.31 ppb (4) N/A 6.5 μg/m3 (28) 28.0
 
Oct. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.29 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.28 ppb (4) N/A 5.8 μg/m3 (25) 25.0
 
Oct. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.3 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
Oct. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.35 ppb (4) N/A 8.5 μg/m3 (36) 36.0
 
Oct. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.4 ppb (5) N/A 8.8 μg/m3 (37) 37.0
 
Oct. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.56 ppb (7) N/A 10.1 μg/m3 (43) 43.0
 
Oct. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.48 ppb (6) N/A 10.5 μg/m3 (44) 44.0
 
Oct. 12, 2021, midnight N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.33 ppb (4) N/A 8.9 μg/m3 (38) 38.0
 
Oct. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.33 ppb (4) N/A 8.6 μg/m3 (36) 36.0
 
Oct. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.24 ppb (3) N/A 4.6 μg/m3 (20) 23.0
 
Oct. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.2 ppb (3) N/A 2.8 μg/m3 (12) 26.0
 
Oct. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.19 ppb (3) N/A 2.5 μg/m3 (11) 26.0
 
Oct. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.19 ppb (3) N/A 2.7 μg/m3 (12) 25.0
 
Oct. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.19 ppb (3) N/A 2.6 μg/m3 (11) 25.0
 
Oct. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.2 ppb (3) N/A 2.5 μg/m3 (11) 20.0
 
Oct. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.25 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Oct. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.25 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Oct. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.25 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Oct. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.22 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Oct. 11, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.22 ppb (3) N/A 4.9 μg/m3 (21) 21.0
 
Oct. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.21 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Oct. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.22 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Oct. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.21 ppb (3) N/A 5.1 μg/m3 (22) 22.0
 
Oct. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.2 ppb (3) N/A 5.1 μg/m3 (22) 22.0
 
Oct. 11, 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 5.6 μg/m3 (24) 24.0
 
Oct. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.22 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Oct. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.21 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
Oct. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.25 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
Oct. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.23 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
Oct. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.24 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.28 ppb (4) N/A 7.2 μg/m3 (31) 31.0
 
Oct. 11, 2021, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.23 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Oct. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.17 ppb (3) N/A 3.6 μg/m3 (16) 21.0
 
Oct. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.2 ppb (3) N/A 3.5 μg/m3 (15) 22.0
 
Oct. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.2 ppb (3) N/A 4.6 μg/m3 (20) 23.0
 
Oct. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.18 ppb (3) N/A 2.6 μg/m3 (11) 23.0
 
Oct. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.17 ppb (3) N/A 2.2 μg/m3 (10) 24.0
 
Oct. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.19 ppb (3) N/A 2.1 μg/m3 (9) 21.0
 
Oct. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.2 ppb (3) N/A 2.3 μg/m3 (10) 18.0
 
Oct. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.2 ppb (3) N/A 1.9 μg/m3 (8) 17.0
 
Oct. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 13.0
 
Oct. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 12.0
 
Oct. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.19 ppb (3) N/A 2.2 μg/m3 (10) 13.0
 
Oct. 10, 2021, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.18 ppb (3) N/A 2.7 μg/m3 (12) 12.0
 
Oct. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.18 ppb (3) N/A 2.9 μg/m3 (13) 13.0
 
Oct. 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.17 ppb (3) N/A 3.0 μg/m3 (13) 14.0
 
Oct. 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.16 ppb (3) N/A 3.6 μg/m3 (16) 16.0
 
Oct. 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.17 ppb (3) N/A 3.6 μg/m3 (16) 16.0
 
Oct. 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.17 ppb (3) N/A 3.4 μg/m3 (15) 17.0
 
Oct. 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.17 ppb (3) N/A 3.7 μg/m3 (16) 16.0
 
Oct. 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.19 ppb (3) N/A 3.6 μg/m3 (16) 18.0
 
Oct. 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.19 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Oct. 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.19 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
Oct. 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.18 ppb (3) N/A 5.3 μg/m3 (23) 23.0
 
Oct. 10, 2021, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.18 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Oct. 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.18 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
Oct. 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.19 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Oct. 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.19 ppb (3) N/A 4.8 μg/m3 (20) 25.0
 
Oct. 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 26.0
 
Oct. 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.18 ppb (3) N/A 4.8 μg/m3 (20) 26.0
 
Oct. 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.18 ppb (3) N/A 5.1 μg/m3 (22) 25.0
 
Oct. 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.18 ppb (3) N/A 5.1 μg/m3 (22) 25.0
 
Oct. 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.18 ppb (3) N/A 5.4 μg/m3 (23) 25.0
 
Oct. 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.18 ppb (3) N/A 5.0 μg/m3 (21) 24.0
 
Oct. 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.18 ppb (3) N/A 5.3 μg/m3 (23) 23.0