AQSQID: CC0050129

Site Name: RiviŠRe-Des-Prairies

Location: Montréal (Croissant Claude Jutra), N/A

Reporting: True, Located: True

Current AQI: 37.0

Montréal (Croissant Claude Jutra) N/A, CA: 45.651722, -73.573896

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 19, 2019, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 ppb (15) 0.16 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
May 19, 2019, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.18 ppb (2) N/A 10.6 μg/m3 (44) 44.0
 
May 19, 2019, noon N/A N/A N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A 13.2 μg/m3 (53) 53.0
 
May 19, 2019, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) 0.18 ppb (2) N/A 12.5 μg/m3 (51) 51.0
 
May 19, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) 0.19 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
May 19, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A 9.5 μg/m3 (40) 40.0
 
May 19, 2019, 8 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 7.0 ppb (5) 0.22 ppb (2) N/A 10.4 μg/m3 (43) 43.0
 
May 19, 2019, 7 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 4.0 ppb (3) 0.27 ppb (3) N/A 13.1 μg/m3 (52) 52.0
 
May 19, 2019, 6 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.29 ppb (3) N/A 10.4 μg/m3 (43) 43.0
 
May 19, 2019, 5 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) 0.25 ppb (3) N/A 8.9 μg/m3 (37) 37.0
 
May 19, 2019, 4 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) 0.25 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 19, 2019, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.24 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
May 19, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.21 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
May 19, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.18 ppb (2) N/A 4.4 μg/m3 (18) 19.0
 
May 19, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.16 ppb (2) N/A 4.2 μg/m3 (18) 21.0
 
May 18, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) 0.15 ppb (2) N/A 4.7 μg/m3 (20) 22.0
 
May 18, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A 4.3 μg/m3 (18) 24.0
 
May 18, 2019, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 ppb (26) 0.16 ppb (2) N/A 3.9 μg/m3 (16) 26.0
 
May 18, 2019, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) 0.15 ppb (2) N/A 1.8 μg/m3 (8) 28.0
 
May 18, 2019, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) 0.15 ppb (2) N/A 1.8 μg/m3 (8) 28.0
 
May 18, 2019, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 ppb (26) 0.15 ppb (2) N/A 1.7 μg/m3 (7) 26.0
 
May 18, 2019, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 ppb (25) 0.15 ppb (2) N/A 1.7 μg/m3 (7) 25.0
 
May 18, 2019, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 ppb (25) 0.14 ppb (2) N/A 1.4 μg/m3 (6) 25.0
 
May 18, 2019, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 ppb (25) 0.14 ppb (2) N/A 0.7 μg/m3 (3) 25.0
 
May 18, 2019, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 ppb (20) 0.13 ppb (1) N/A 0.7 μg/m3 (3) 20.0
 
May 18, 2019, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 ppb (18) 0.15 ppb (2) N/A 0.5 μg/m3 (2) 18.0
 
May 18, 2019, noon N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 ppb (16) 0.16 ppb (2) N/A 0.5 μg/m3 (2) 16.0
 
May 18, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.14 ppb (2) N/A 0.6 μg/m3 (2) 15.0
 
May 18, 2019, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 ppb (16) 0.14 ppb (2) N/A 1.8 μg/m3 (8) 16.0
 
May 18, 2019, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 ppb (16) 0.13 ppb (1) N/A 0.5 μg/m3 (2) 16.0
 
May 18, 2019, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.13 ppb (1) N/A 0.6 μg/m3 (2) 17.0
 
May 18, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.15 ppb (2) N/A 1.7 μg/m3 (7) 15.0
 
May 18, 2019, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 ppb (18) 0.13 ppb (1) N/A 1.5 μg/m3 (6) 18.0
 
May 18, 2019, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 ppb (18) 0.13 ppb (1) N/A 3.2 μg/m3 (13) 18.0
 
May 18, 2019, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 ppb (19) 0.14 ppb (2) N/A 3.1 μg/m3 (13) 19.0
 
May 18, 2019, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 ppb (20) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 20.0
 
May 18, 2019, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 ppb (21) 0.15 ppb (2) N/A 1.8 μg/m3 (8) 21.0
 
May 18, 2019, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 ppb (20) 0.15 ppb (2) N/A 1.8 μg/m3 (8) 20.0
 
May 18, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A 8.2 μg/m3 (34) 34.0
 
May 17, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.16 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
May 17, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A 16.4 μg/m3 (59) 59.0
 
May 17, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
May 17, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.16 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
May 17, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.15 ppb (2) N/A 6.1 μg/m3 (25) 27.0
 
May 17, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.15 ppb (2) N/A 6.4 μg/m3 (27) 28.0
 
May 17, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 0.14 ppb (2) N/A 5.4 μg/m3 (23) 29.0
 
May 17, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.15 ppb (2) N/A 5.7 μg/m3 (24) 28.0
 
May 17, 2019, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.15 ppb (2) N/A 4.3 μg/m3 (18) 31.0
 
May 17, 2019, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.18 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
May 17, 2019, noon N/A N/A N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) 0.19 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
May 17, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 0.21 ppb (2) N/A 7.5 μg/m3 (31) 31.0
 
May 17, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A 11.2 μg/m3 (47) 47.0
 
May 17, 2019, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A 12.2 μg/m3 (50) 50.0
 
May 17, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.18 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
May 17, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.16 ppb (2) N/A 3.0 μg/m3 (12) 18.0
 
May 17, 2019, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.15 ppb (2) N/A 2.2 μg/m3 (9) 19.0
 
May 17, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.15 ppb (2) N/A 1.9 μg/m3 (8) 21.0
 
May 17, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.16 ppb (2) N/A 2.6 μg/m3 (11) 21.0
 
May 17, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A 3.6 μg/m3 (15) 22.0
 
May 17, 2019, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 4.4 μg/m3 (18) 20.0
 
May 17, 2019, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.19 ppb (2) N/A 3.7 μg/m3 (15) 22.0
 
May 17, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.19 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
May 16, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.15 ppb (2) N/A 3.8 μg/m3 (16) 27.0
 
May 16, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.15 ppb (2) N/A 3.8 μg/m3 (16) 28.0
 
May 16, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.16 ppb (2) N/A 4.5 μg/m3 (19) 28.0
 
May 16, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) 0.16 ppb (2) N/A 6.6 μg/m3 (28) 31.0
 
May 16, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.17 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
May 16, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.16 ppb (2) N/A 7.3 μg/m3 (30) 31.0
 
May 16, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 31.0
 
May 16, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 0.14 ppb (2) N/A 5.7 μg/m3 (24) 29.0
 
May 16, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.15 ppb (2) N/A 4.6 μg/m3 (19) 27.0
 
May 16, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.15 ppb (2) N/A 4.6 μg/m3 (19) 25.0
 
May 16, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A 8.2 μg/m3 (34) 34.0
 
May 16, 2019, noon N/A N/A N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 16, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.17 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
May 16, 2019, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A 4.2 μg/m3 (18) 22.0
 
May 16, 2019, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A 3.2 μg/m3 (13) 22.0
 
May 16, 2019, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 ppb (22) 0.13 ppb (1) N/A 2.4 μg/m3 (10) 22.0
 
May 16, 2019, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 ppb (21) 0.13 ppb (1) N/A 2.5 μg/m3 (10) 21.0
 
May 16, 2019, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 ppb (21) 0.13 ppb (1) N/A 2.8 μg/m3 (12) 21.0
 
May 16, 2019, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 ppb (22) 0.14 ppb (2) N/A 3.5 μg/m3 (15) 22.0
 
May 16, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.16 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
May 16, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) 0.16 ppb (2) N/A 4.9 μg/m3 (20) 23.0
 
May 16, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.16 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
May 16, 2019, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.16 ppb (2) N/A 4.3 μg/m3 (18) 22.0
 
May 16, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A 3.9 μg/m3 (16) 25.0
 
May 15, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.15 ppb (2) N/A 5.5 μg/m3 (23) 28.0
 
May 15, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 0.14 ppb (2) N/A 5.7 μg/m3 (24) 29.0
 
May 15, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) 0.13 ppb (1) N/A 5.8 μg/m3 (24) 31.0
 
May 15, 2019, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.13 ppb (1) N/A 4.9 μg/m3 (20) 31.0
 
May 15, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) 0.13 ppb (1) N/A 5.3 μg/m3 (22) 31.0
 
May 15, 2019, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 31.0
 
May 15, 2019, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) 0.12 ppb (1) N/A 3.6 μg/m3 (15) 29.0
 
May 15, 2019, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) 0.13 ppb (1) N/A 3.1 μg/m3 (13) 28.0
 
May 15, 2019, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) 0.13 ppb (1) N/A 1.9 μg/m3 (8) 28.0
 
May 15, 2019, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 ppb (26) 0.13 ppb (1) N/A 2.6 μg/m3 (11) 26.0
 
May 15, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) 0.15 ppb (2) N/A 3.4 μg/m3 (14) 22.0
 
May 15, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
May 15, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.17 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
May 15, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.16 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
May 15, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.15 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
May 15, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 ppb (19) 0.13 ppb (1) N/A 5.2 μg/m3 (22) 22.0
 
May 15, 2019, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 ppb (20) 0.13 ppb (1) N/A 5.2 μg/m3 (22) 22.0
 
May 15, 2019, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 ppb (18) 0.14 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
May 15, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.13 ppb (1) N/A 5.2 μg/m3 (22) 22.0
 
May 15, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.13 ppb (1) N/A 4.4 μg/m3 (18) 20.0
 
May 15, 2019, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.14 ppb (2) N/A 3.5 μg/m3 (15) 22.0
 
May 15, 2019, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.14 ppb (2) N/A 2.9 μg/m3 (12) 24.0
 
May 15, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 25.0
 
May 14, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) 0.13 ppb (1) N/A 1.3 μg/m3 (5) 26.0
 
May 14, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 0.14 ppb (2) N/A 1.5 μg/m3 (6) 25.0
 
May 14, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 0.13 ppb (1) N/A 1.0 μg/m3 (4) 25.0
 
May 14, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) 0.14 ppb (2) N/A 1.7 μg/m3 (7) 23.0
 
May 14, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.14 ppb (2) N/A 1.5 μg/m3 (6) 22.0
 
May 14, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 0.13 ppb (1) N/A 1.1 μg/m3 (5) 25.0
 
May 14, 2019, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 33.0 ppb (25) 0.13 ppb (1) N/A 0.6 μg/m3 (2) 25.0
 
May 14, 2019, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 ppb (26) 0.13 ppb (1) N/A 0.6 μg/m3 (2) 26.0
 
May 14, 2019, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 ppb (26) 0.13 ppb (1) N/A 0.8 μg/m3 (3) 26.0
 
May 14, 2019, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 ppb (25) 0.13 ppb (1) N/A 0.2 μg/m3 (1) 25.0
 
May 14, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.13 ppb (1) N/A 1.2 μg/m3 (5) 22.0
 
May 14, 2019, noon N/A N/A N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.15 ppb (2) N/A 1.7 μg/m3 (7) 21.0
 
May 14, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.16 ppb (2) N/A 2.2 μg/m3 (9) 20.0
 
May 14, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A 0.3 μg/m3 (1) 22.0
 
May 14, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.15 ppb (2) N/A 2.5 μg/m3 (10) 18.0
 
May 14, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.14 ppb (2) N/A 2.3 μg/m3 (10) 17.0
 
May 14, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.13 ppb (1) N/A 2.1 μg/m3 (9) 18.0
 
May 14, 2019, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.13 ppb (1) N/A 2.2 μg/m3 (9) 19.0
 
May 14, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.13 ppb (1) N/A 2.6 μg/m3 (11) 19.0
 
May 14, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.14 ppb (2) N/A 3.3 μg/m3 (14) 18.0
 
May 14, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
May 14, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.15 ppb (2) N/A 3.6 μg/m3 (15) 21.0
 
May 14, 2019, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 20.0
 
May 14, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A 4.3 μg/m3 (18) 22.0
 
May 13, 2019, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.15 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
May 13, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.16 ppb (2) N/A 4.8 μg/m3 (20) 24.0
 
May 13, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A 4.3 μg/m3 (18) 25.0
 
May 13, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.15 ppb (2) N/A 5.5 μg/m3 (23) 27.0
 
May 13, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 27.0
 
May 13, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.16 ppb (2) N/A 3.4 μg/m3 (14) 27.0
 
May 13, 2019, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 ppb (26) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 26.0
 
May 13, 2019, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) 0.14 ppb (2) N/A 3.1 μg/m3 (13) 23.0
 
May 13, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 18.0
 
May 13, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.14 ppb (2) N/A 3.3 μg/m3 (14) 18.0
 
May 13, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.14 ppb (2) N/A 2.6 μg/m3 (11) 18.0
 
May 13, 2019, noon N/A N/A N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.16 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
May 13, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.17 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
May 13, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.22 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
May 13, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.17 ppb (2) N/A 4.1 μg/m3 (17) 20.0
 
May 13, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.14 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
May 13, 2019, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.15 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
May 13, 2019, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.13 ppb (1) N/A 5.5 μg/m3 (23) 23.0
 
May 13, 2019, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.14 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
May 13, 2019, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.16 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
May 13, 2019, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.16 ppb (2) N/A 5.5 μg/m3 (23) 26.0
 
May 13, 2019, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.19 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 13, 2019, 1 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
May 13, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A 6.2 μg/m3 (26) 27.0
 
May 12, 2019, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) 0.12 ppb (1) N/A 4.9 μg/m3 (20) 32.0
 
May 12, 2019, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) 0.14 ppb (2) N/A 4.8 μg/m3 (20) 32.0
 
May 12, 2019, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 32.0
 
May 12, 2019, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) 0.14 ppb (2) N/A 3.2 μg/m3 (13) 32.0
 
May 12, 2019, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 33.0
 
May 12, 2019, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) 0.14 ppb (2) N/A 3.3 μg/m3 (14) 33.0
 
May 12, 2019, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) 0.13 ppb (1) N/A 3.3 μg/m3 (14) 32.0
 
May 12, 2019, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) 0.15 ppb (2) N/A 3.5 μg/m3 (15) 32.0
 
May 12, 2019, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) 0.13 ppb (1) N/A 3.6 μg/m3 (15) 30.0