AQSQID: CC0050135

Site Name: Caserne 17

Location: Montréal (Ave Hébert), N/A

Reporting: True, Located: True

Current AQI: 75.0

Montréal (Ave Hébert) N/A, CA: 45.593325, -73.637328

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.41 ppb (5) N/A 23.9 μg/m3 (75) 75.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.3 ppb (3) N/A 20.4 μg/m3 (68) 68.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.31 ppb (3) N/A 22.5 μg/m3 (72) 72.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.31 ppb (3) N/A 24.9 μg/m3 (77) 77.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.35 ppb (4) N/A 24.7 μg/m3 (77) 77.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.4 ppb (4) N/A 26.9 μg/m3 (82) 82.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.45 ppb (5) N/A 34.1 μg/m3 (97) 97.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.45 ppb (5) N/A 30.6 μg/m3 (90) 90.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.34 ppb (4) N/A 24.9 μg/m3 (77) 77.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.32 ppb (4) N/A 25.3 μg/m3 (78) 78.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.25 ppb (3) N/A 20.5 μg/m3 (68) 68.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.22 ppb (2) N/A 16.9 μg/m3 (60) 60.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.21 ppb (2) N/A 14.8 μg/m3 (56) 56.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.22 ppb (2) N/A 12.4 μg/m3 (51) 51.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.21 ppb (2) N/A 13.4 μg/m3 (53) 53.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.22 ppb (2) N/A 14.3 μg/m3 (55) 55.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.21 ppb (2) N/A 14.3 μg/m3 (55) 55.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.23 ppb (3) N/A 13.8 μg/m3 (54) 54.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.3 ppb (3) N/A 14.2 μg/m3 (55) 55.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.45 ppb (5) N/A 14.8 μg/m3 (56) 56.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.46 ppb (5) N/A 12.4 μg/m3 (51) 51.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.53 ppb (6) N/A 12.8 μg/m3 (52) 52.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.39 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.27 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.21 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.19 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.19 ppb (2) N/A 7.3 μg/m3 (30) 30.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.21 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.21 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.3 ppb (3) N/A 12.2 μg/m3 (50) 50.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.4 ppb (4) N/A 17.3 μg/m3 (61) 61.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.26 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.15 ppb (2) N/A 6.5 μg/m3 (27) 35.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.16 ppb (2) N/A 5.9 μg/m3 (25) 35.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.15 ppb (2) N/A 4.3 μg/m3 (18) 35.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 34.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.15 ppb (2) N/A 4.4 μg/m3 (18) 34.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A 4.3 μg/m3 (18) 32.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 31.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.24 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.22 ppb (2) N/A 6.3 μg/m3 (26) 32.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.28 ppb (3) N/A 10.4 μg/m3 (43) 43.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.39 ppb (4) N/A 14.4 μg/m3 (55) 55.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.37 ppb (4) N/A 14.8 μg/m3 (56) 56.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.34 ppb (4) N/A 12.9 μg/m3 (52) 52.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.27 ppb (3) N/A 14.3 μg/m3 (55) 55.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.26 ppb (3) N/A 13.9 μg/m3 (54) 54.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.27 ppb (3) N/A 14.8 μg/m3 (56) 56.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.24 ppb (3) N/A 13.6 μg/m3 (53) 53.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.25 ppb (3) N/A 12.2 μg/m3 (50) 50.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.42 ppb (5) N/A 18.6 μg/m3 (64) 64.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.34 ppb (4) N/A 19.9 μg/m3 (67) 67.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.25 ppb (3) N/A 16.2 μg/m3 (59) 59.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.22 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) N/A 11.3 μg/m3 (47) 47.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.17 ppb (2) N/A 6.8 μg/m3 (28) 34.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.17 ppb (2) N/A 5.8 μg/m3 (24) 35.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.18 ppb (2) N/A 5.4 μg/m3 (23) 35.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.19 ppb (2) N/A 4.1 μg/m3 (17) 34.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.16 ppb (2) N/A 4.1 μg/m3 (17) 35.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.16 ppb (2) N/A 5.2 μg/m3 (22) 33.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A 5.3 μg/m3 (22) 32.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.17 ppb (2) N/A 6.5 μg/m3 (27) 31.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.19 ppb (2) N/A 6.3 μg/m3 (26) 28.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.25 ppb (3) N/A 10.1 μg/m3 (42) 42.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.27 ppb (3) N/A 12.3 μg/m3 (51) 51.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.23 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.19 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.16 ppb (2) N/A 6.4 μg/m3 (27) 28.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 5.8 μg/m3 (24) 29.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 30.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.2 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.21 ppb (2) N/A 7.7 μg/m3 (32) 32.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.22 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.19 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.18 ppb (2) N/A 5.8 μg/m3 (24) 32.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.18 ppb (2) N/A 9.6 μg/m3 (40) 40.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.17 ppb (2) N/A 3.7 μg/m3 (15) 32.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A 3.1 μg/m3 (13) 32.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.17 ppb (2) N/A 3.1 μg/m3 (13) 32.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A 3.3 μg/m3 (14) 32.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A 2.9 μg/m3 (12) 32.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.16 ppb (2) N/A 3.0 μg/m3 (12) 32.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.17 ppb (2) N/A 3.1 μg/m3 (13) 32.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 32.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.16 ppb (2) N/A 2.9 μg/m3 (12) 32.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.18 ppb (2) N/A 3.1 μg/m3 (13) 31.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.15 ppb (2) N/A 3.1 μg/m3 (13) 31.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A 3.2 μg/m3 (13) 30.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.15 ppb (2) N/A 3.1 μg/m3 (13) 31.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.14 ppb (2) N/A 3.4 μg/m3 (14) 29.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A 3.0 μg/m3 (12) 30.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.14 ppb (2) N/A 2.8 μg/m3 (12) 32.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.14 ppb (2) N/A 2.8 μg/m3 (12) 32.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.14 ppb (2) N/A 2.9 μg/m3 (12) 31.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.15 ppb (2) N/A 3.4 μg/m3 (14) 32.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A 3.8 μg/m3 (16) 32.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.16 ppb (2) N/A 3.6 μg/m3 (15) 33.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.17 ppb (2) N/A 4.3 μg/m3 (18) 32.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.17 ppb (2) N/A 4.1 μg/m3 (17) 32.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 32.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.16 ppb (2) N/A 3.8 μg/m3 (16) 32.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.15 ppb (2) N/A 3.5 μg/m3 (15) 32.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.15 ppb (2) N/A 2.9 μg/m3 (12) 32.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.15 ppb (2) N/A 3.0 μg/m3 (12) 32.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.16 ppb (2) N/A 3.2 μg/m3 (13) 31.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A 3.2 μg/m3 (13) 30.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A 3.2 μg/m3 (13) 30.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 3.0 μg/m3 (12) 29.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.15 ppb (2) N/A 1.8 μg/m3 (8) 28.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.15 ppb (2) N/A 1.3 μg/m3 (5) 27.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.15 ppb (2) N/A 1.2 μg/m3 (5) 29.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A 0.8 μg/m3 (3) 30.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.16 ppb (2) N/A 0.7 μg/m3 (3) 31.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A 0.6 μg/m3 (2) 30.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.17 ppb (2) N/A 1.7 μg/m3 (7) 25.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.18 ppb (2) N/A 2.6 μg/m3 (11) 24.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.17 ppb (2) N/A 1.8 μg/m3 (8) 25.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.17 ppb (2) N/A 1.8 μg/m3 (8) 25.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.18 ppb (2) N/A 2.6 μg/m3 (11) 25.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.19 ppb (2) N/A 3.4 μg/m3 (14) 25.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.19 ppb (2) N/A 3.4 μg/m3 (14) 25.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.21 ppb (2) N/A 4.1 μg/m3 (17) 25.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.22 ppb (2) N/A 5.2 μg/m3 (22) 25.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A 6.1 μg/m3 (25) 28.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A 4.6 μg/m3 (19) 28.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.19 ppb (2) N/A 3.1 μg/m3 (13) 32.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.19 ppb (2) N/A 3.6 μg/m3 (15) 32.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.18 ppb (2) N/A 3.1 μg/m3 (13) 33.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.18 ppb (2) N/A 3.6 μg/m3 (15) 32.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.18 ppb (2) N/A 3.4 μg/m3 (14) 30.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.18 ppb (2) N/A 3.3 μg/m3 (14) 32.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.17 ppb (2) N/A 2.1 μg/m3 (9) 32.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.19 ppb (2) N/A 2.8 μg/m3 (12) 32.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.24 ppb (3) N/A 5.5 μg/m3 (23) 25.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.24 ppb (3) N/A 8.4 μg/m3 (35) 35.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.27 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.25 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.22 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.2 ppb (2) N/A 7.2 μg/m3 (30) 33.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.2 ppb (2) N/A 7.5 μg/m3 (31) 33.0
 
March 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.21 ppb (2) N/A 7.4 μg/m3 (31) 32.0
 
March 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.22 ppb (2) N/A 7.2 μg/m3 (30) 34.0
 
March 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.22 ppb (2) N/A 6.9 μg/m3 (29) 33.0
 
March 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.23 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
March 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.34 ppb (4) N/A 13.2 μg/m3 (53) 53.0
 
March 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.42 ppb (5) N/A 21.8 μg/m3 (71) 71.0
 
March 15, 2019, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.37 ppb (4) N/A 19.8 μg/m3 (67) 67.0
 
March 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.34 ppb (4) N/A 18.4 μg/m3 (64) 64.0
 
March 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.34 ppb (4) N/A 18.8 μg/m3 (64) 64.0
 
March 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.3 ppb (3) N/A 15.7 μg/m3 (58) 58.0
 
March 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.3 ppb (3) N/A 15.6 μg/m3 (58) 58.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.27 ppb (3) N/A 14.7 μg/m3 (56) 56.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.27 ppb (3) N/A 14.6 μg/m3 (56) 56.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.25 ppb (3) N/A 12.5 μg/m3 (51) 51.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.25 ppb (3) N/A 12.7 μg/m3 (51) 51.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A 10.4 μg/m3 (43) 43.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.24 ppb (3) N/A 11.7 μg/m3 (49) 49.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.24 ppb (3) N/A 13.7 μg/m3 (54) 54.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.29 ppb (3) N/A 31.2 μg/m3 (91) 91.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.33 ppb (4) N/A 30.3 μg/m3 (89) 89.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.29 ppb (3) N/A 25.7 μg/m3 (79) 79.0
 
March 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.25 ppb (3) N/A 27.8 μg/m3 (84) 84.0