AQSQID: CC0050135

Site Name: Caserne 17

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

Reporting: True, Located: True

Current AQI: 53.0

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
April 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.28 ppb (3) N/A 13.6 μg/m3 (53) 53.0
 
April 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.26 ppb (3) N/A 12.6 μg/m3 (51) 51.0
 
April 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.24 ppb (3) N/A 11.1 μg/m3 (46) 46.0
 
April 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.24 ppb (3) N/A 9.2 μg/m3 (38) 38.0
 
April 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.22 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
April 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.21 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
April 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.25 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
April 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.24 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
April 5, 2020, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.23 ppb (3) N/A 9.4 μg/m3 (39) 39.0
 
April 4, 2020, 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 7.4 μg/m3 (31) 31.0
 
April 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.17 ppb (2) N/A 6.1 μg/m3 (25) 30.0
 
April 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.15 ppb (2) N/A 3.8 μg/m3 (16) 31.0
 
April 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A 2.7 μg/m3 (11) 30.0
 
April 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A 2.7 μg/m3 (11) 30.0
 
April 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A 2.6 μg/m3 (11) 30.0
 
April 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 3.7 μg/m3 (15) 29.0
 
April 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.18 ppb (2) N/A 3.5 μg/m3 (15) 28.0
 
April 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.19 ppb (2) N/A 3.1 μg/m3 (13) 28.0
 
April 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.18 ppb (2) N/A 3.4 μg/m3 (14) 26.0
 
April 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.19 ppb (2) N/A 3.4 μg/m3 (14) 24.0
 
April 4, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.19 ppb (2) N/A 4.0 μg/m3 (17) 24.0
 
April 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 4.9 μg/m3 (20) 23.0
 
April 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.19 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
April 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
April 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
April 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.22 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
April 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.21 ppb (2) N/A 6.3 μg/m3 (26) 26.0
 
April 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.17 ppb (2) N/A 3.8 μg/m3 (16) 23.0
 
April 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.16 ppb (2) N/A 4.5 μg/m3 (19) 23.0
 
April 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 26.0
 
April 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.15 ppb (2) N/A 3.9 μg/m3 (16) 26.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.16 ppb (2) N/A 3.6 μg/m3 (15) 27.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.16 ppb (2) N/A 3.3 μg/m3 (14) 28.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 3.7 μg/m3 (15) 29.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.14 ppb (2) N/A 2.7 μg/m3 (11) 30.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.14 ppb (2) N/A 1.9 μg/m3 (8) 31.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.15 ppb (2) N/A 2.6 μg/m3 (11) 31.0
 
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A 2.9 μg/m3 (12) 30.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A 3.3 μg/m3 (14) 30.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A 4.1 μg/m3 (17) 30.0
 
April 3, 2020, 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 4.9 μg/m3 (20) 30.0
 
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.15 ppb (2) N/A 4.8 μg/m3 (20) 29.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.15 ppb (2) N/A 4.5 μg/m3 (19) 28.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.15 ppb (2) N/A 3.7 μg/m3 (15) 29.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.15 ppb (2) N/A 3.6 μg/m3 (15) 29.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.15 ppb (2) N/A 2.7 μg/m3 (11) 28.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.15 ppb (2) N/A 2.0 μg/m3 (8) 28.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.16 ppb (2) N/A 1.9 μg/m3 (8) 28.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.14 ppb (2) N/A 2.4 μg/m3 (10) 28.0
 
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.16 ppb (2) N/A 3.1 μg/m3 (13) 27.0
 
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.15 ppb (2) N/A 1.9 μg/m3 (8) 26.0
 
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.14 ppb (2) N/A 1.7 μg/m3 (7) 25.0
 
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.15 ppb (2) N/A 1.3 μg/m3 (5) 23.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.16 ppb (2) N/A 1.1 μg/m3 (5) 21.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.16 ppb (2) N/A 1.1 μg/m3 (5) 18.0
 
April 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.17 ppb (2) N/A 1.7 μg/m3 (7) 18.0
 
April 3, 2020, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.17 ppb (2) N/A 1.3 μg/m3 (5) 18.0
 
April 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A 1.6 μg/m3 (7) 18.0
 
April 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.18 ppb (2) N/A 1.2 μg/m3 (5) 20.0
 
April 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A 0.9 μg/m3 (4) 22.0
 
April 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A 1.2 μg/m3 (5) 22.0
 
April 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.17 ppb (2) N/A 1.2 μg/m3 (5) 23.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.17 ppb (2) N/A 1.5 μg/m3 (6) 23.0
 
April 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A 0.9 μg/m3 (4) 24.0
 
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A 1.5 μg/m3 (6) 24.0
 
April 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.16 ppb (2) N/A 1.2 μg/m3 (5) 24.0
 
April 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A 1.9 μg/m3 (8) 22.0
 
April 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A 2.3 μg/m3 (10) 21.0
 
April 2, 2020, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 18.0
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.23 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
April 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.21 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
April 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.24 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
April 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.22 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
April 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.22 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
April 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.23 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
April 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.22 ppb (2) N/A 10.5 μg/m3 (44) 44.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.22 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
April 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.22 ppb (2) N/A 4.6 μg/m3 (19) 25.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.21 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.27 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
April 2, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
April 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.22 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
April 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.23 ppb (3) N/A 6.9 μg/m3 (29) 30.0
 
April 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.19 ppb (2) N/A 4.3 μg/m3 (18) 31.0
 
April 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.17 ppb (2) N/A 2.8 μg/m3 (12) 31.0
 
April 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.18 ppb (2) N/A 2.1 μg/m3 (9) 31.0
 
April 1, 2020, 6 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
 
April 1, 2020, 5 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
 
April 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.17 ppb (2) N/A 2.7 μg/m3 (11) 31.0
 
April 1, 2020, 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 3.1 μg/m3 (13) 31.0
 
April 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.17 ppb (2) N/A 2.5 μg/m3 (10) 31.0
 
April 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.17 ppb (2) N/A 2.8 μg/m3 (12) 30.0
 
April 1, 2020, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.25 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
April 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
April 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.22 ppb (2) N/A 5.3 μg/m3 (22) 25.0
 
April 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 28.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.17 ppb (2) N/A 5.3 μg/m3 (22) 28.0
 
April 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.16 ppb (2) N/A 4.1 μg/m3 (17) 28.0
 
April 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 28.0
 
April 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.16 ppb (2) N/A 4.2 μg/m3 (18) 28.0
 
April 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A 3.4 μg/m3 (14) 30.0
 
April 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.15 ppb (2) N/A 3.1 μg/m3 (13) 32.0
 
April 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.15 ppb (2) N/A 3.4 μg/m3 (14) 32.0
 
April 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.15 ppb (2) N/A 3.3 μg/m3 (14) 33.0
 
April 1, 2020, midnight 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 31, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.18 ppb (2) N/A 3.8 μg/m3 (16) 32.0
 
March 31, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.18 ppb (2) N/A 3.2 μg/m3 (13) 33.0
 
March 31, 2020, 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 2.7 μg/m3 (11) 35.0
 
March 31, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.17 ppb (2) N/A 2.7 μg/m3 (11) 35.0
 
March 31, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 35.0
 
March 31, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.17 ppb (2) N/A 2.8 μg/m3 (12) 34.0
 
March 31, 2020, 5 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 31, 2020, 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 3.2 μg/m3 (13) 32.0
 
March 31, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.16 ppb (2) N/A 3.5 μg/m3 (15) 32.0
 
March 31, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 3.4 μg/m3 (14) 29.0
 
March 31, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.17 ppb (2) N/A 4.5 μg/m3 (19) 28.0
 
March 31, 2020, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.19 ppb (2) N/A 4.6 μg/m3 (19) 25.0
 
March 31, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 5.2 μg/m3 (22) 23.0
 
March 31, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 5.1 μg/m3 (21) 23.0
 
March 31, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
March 31, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.16 ppb (2) N/A 4.5 μg/m3 (19) 25.0
 
March 31, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.17 ppb (2) N/A 4.4 μg/m3 (18) 26.0
 
March 31, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.17 ppb (2) N/A 4.6 μg/m3 (19) 26.0
 
March 31, 2020, 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 4.9 μg/m3 (20) 25.0
 
March 31, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.18 ppb (2) N/A 4.3 μg/m3 (18) 25.0
 
March 31, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A 3.3 μg/m3 (14) 25.0
 
March 31, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.18 ppb (2) N/A 3.3 μg/m3 (14) 24.0
 
March 31, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.18 ppb (2) N/A 3.8 μg/m3 (16) 24.0
 
March 31, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.18 ppb (2) N/A 4.3 μg/m3 (18) 25.0
 
March 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.19 ppb (2) N/A 4.4 μg/m3 (18) 25.0
 
March 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A 4.9 μg/m3 (20) 25.0
 
March 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A 5.4 μg/m3 (23) 26.0
 
March 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.22 ppb (2) N/A 5.7 μg/m3 (24) 25.0
 
March 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.23 ppb (3) N/A 5.8 μg/m3 (24) 24.0
 
March 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.19 ppb (2) N/A 2.5 μg/m3 (10) 25.0
 
March 30, 2020, 5 p.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 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
March 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.19 ppb (2) N/A 3.0 μg/m3 (12) 22.0
 
March 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.18 ppb (2) N/A 2.0 μg/m3 (8) 22.0
 
March 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 2.0 μg/m3 (8) 23.0
 
March 30, 2020, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.18 ppb (2) N/A 1.2 μg/m3 (5) 22.0
 
March 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A 1.2 μg/m3 (5) 22.0
 
March 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 1.1 μg/m3 (5) 23.0
 
March 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.17 ppb (2) N/A 0.9 μg/m3 (4) 23.0
 
March 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.16 ppb (2) N/A 0.8 μg/m3 (3) 25.0
 
March 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.16 ppb (2) N/A 0.5 μg/m3 (2) 28.0
 
March 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 0.5 μg/m3 (2) 29.0
 
March 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.16 ppb (2) N/A 0.7 μg/m3 (3) 28.0
 
March 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.15 ppb (2) N/A 1.1 μg/m3 (5) 29.0
 
March 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A 1.5 μg/m3 (6) 30.0
 
March 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A 2.1 μg/m3 (9) 30.0
 
March 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.17 ppb (2) N/A 2.4 μg/m3 (10) 28.0
 
March 30, 2020, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.19 ppb (2) N/A 3.3 μg/m3 (14) 28.0
 
March 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.18 ppb (2) N/A 2.2 μg/m3 (9) 28.0
 
March 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.18 ppb (2) N/A 2.0 μg/m3 (8) 28.0
 
March 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.18 ppb (2) N/A 2.2 μg/m3 (9) 28.0
 
March 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.18 ppb (2) N/A 2.0 μg/m3 (8) 28.0
 
March 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.19 ppb (2) N/A 3.7 μg/m3 (15) 26.0
 
March 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.21 ppb (2) N/A 6.1 μg/m3 (25) 26.0
 
March 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.21 ppb (2) N/A 7.7 μg/m3 (32) 32.0
 
March 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.22 ppb (2) N/A 12.5 μg/m3 (51) 51.0
 
March 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.22 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
March 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.22 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
March 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.21 ppb (2) N/A 7.3 μg/m3 (30) 30.0
 
March 29, 2020, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.22 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
March 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.21 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
March 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.21 ppb (2) N/A 8.2 μg/m3 (34) 34.0
 
March 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.23 ppb (3) N/A 8.6 μg/m3 (36) 36.0