AQSQID: CC0050128

Site Name: A‚Roport De Montr‚Al 1

Location: Montréal (Dorval), N/A

Reporting: True, Located: True

Current AQI: 29.0

Montréal (Dorval) N/A, CA: 45.468297, -73.741185

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 6, 2019, 7 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.16 ppb (2) N/A 1.2 μg/m3 (5) 20.0
 
Dec. 6, 2019, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.15 ppb (2) N/A 0.9 μg/m3 (4) 21.0
 
Dec. 6, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.14 ppb (2) N/A 0.6 μg/m3 (2) 22.0
 
Dec. 6, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.16 ppb (2) N/A 1.0 μg/m3 (4) 22.0
 
Dec. 6, 2019, 3 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.15 ppb (2) N/A 0.8 μg/m3 (3) 20.0
 
Dec. 6, 2019, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.14 ppb (2) N/A 0.9 μg/m3 (4) 20.0
 
Dec. 6, 2019, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.17 ppb (2) N/A 1.3 μg/m3 (5) 15.0
 
Dec. 6, 2019, noon N/A N/A N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) 0.18 ppb (2) N/A 1.1 μg/m3 (5) 17.0
 
Dec. 6, 2019, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) 0.21 ppb (2) N/A 0.9 μg/m3 (4) 15.0
 
Dec. 6, 2019, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.13 ppb (1) N/A 0.6 μg/m3 (2) 21.0
 
Dec. 6, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.12 ppb (1) N/A 0.7 μg/m3 (3) 23.0
 
Dec. 6, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.13 ppb (1) N/A 0.5 μg/m3 (2) 23.0
 
Dec. 6, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.12 ppb (1) N/A 0.4 μg/m3 (2) 25.0
 
Dec. 6, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.12 ppb (1) N/A 0.6 μg/m3 (2) 24.0
 
Dec. 6, 2019, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.12 ppb (1) N/A 0.9 μg/m3 (4) 18.0
 
Dec. 6, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) 0.14 ppb (2) N/A 1.0 μg/m3 (4) 18.0
 
Dec. 6, 2019, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.13 ppb (1) N/A 0.7 μg/m3 (3) 18.0
 
Dec. 6, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.13 ppb (1) N/A 0.8 μg/m3 (3) 15.0
 
Dec. 6, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.13 ppb (1) N/A 0.8 μg/m3 (3) 15.0
 
Dec. 6, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.13 ppb (1) N/A 0.7 μg/m3 (3) 14.0
 
Dec. 5, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.13 ppb (1) N/A 0.6 μg/m3 (2) 14.0
 
Dec. 5, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.13 ppb (1) N/A 0.7 μg/m3 (3) 15.0
 
Dec. 5, 2019, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.14 ppb (2) N/A 0.6 μg/m3 (2) 15.0
 
Dec. 5, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.15 ppb (2) N/A 0.5 μg/m3 (2) 14.0
 
Dec. 5, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.15 ppb (2) N/A 0.4 μg/m3 (2) 15.0
 
Dec. 5, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.17 ppb (2) N/A 0.3 μg/m3 (1) 14.0
 
Dec. 5, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.16 ppb (2) N/A 1.9 μg/m3 (8) 12.0
 
Dec. 5, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A 8.6 μg/m3 (36) 36.0
 
Dec. 5, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 9.0 ppb (7) 0.24 ppb (3) N/A 18.1 μg/m3 (63) 63.0
 
Dec. 5, 2019, 2 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) 0.29 ppb (3) N/A 29.7 μg/m3 (88) 88.0
 
Dec. 5, 2019, 1 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 4.0 ppb (3) 0.47 ppb (5) N/A 35.3 μg/m3 (100) 100.0
 
Dec. 5, 2019, noon N/A N/A N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.3 ppb (3) N/A 36.1 μg/m3 (102) 102.0
 
Dec. 5, 2019, 11 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) 0.28 ppb (3) N/A 39.0 μg/m3 (109) 109.0
 
Dec. 5, 2019, 10 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) 0.29 ppb (3) N/A 36.9 μg/m3 (104) 104.0
 
Dec. 5, 2019, 9 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 4.0 ppb (3) 0.26 ppb (3) N/A 31.1 μg/m3 (91) 91.0
 
Dec. 5, 2019, 8 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.29 ppb (3) N/A 34.9 μg/m3 (99) 99.0
 
Dec. 5, 2019, 7 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.32 ppb (4) N/A 38.5 μg/m3 (108) 108.0
 
Dec. 5, 2019, 6 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.34 ppb (4) N/A 37.7 μg/m3 (106) 106.0
 
Dec. 5, 2019, 5 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.33 ppb (4) N/A 35.1 μg/m3 (99) 99.0
 
Dec. 5, 2019, 4 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.33 ppb (4) N/A 34.0 μg/m3 (97) 97.0
 
Dec. 5, 2019, 3 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 0.34 ppb (4) N/A 34.5 μg/m3 (98) 98.0
 
Dec. 5, 2019, 2 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.37 ppb (4) N/A 28.6 μg/m3 (85) 85.0
 
Dec. 5, 2019, 1 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 0.41 ppb (5) N/A 27.4 μg/m3 (83) 83.0
 
Dec. 5, 2019, midnight N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.49 ppb (5) N/A 26.7 μg/m3 (81) 81.0
 
Dec. 4, 2019, 11 p.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 0.28 ppb (3) N/A 14.2 μg/m3 (55) 55.0
 
Dec. 4, 2019, 10 p.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 0.32 ppb (4) N/A 13.7 μg/m3 (54) 54.0
 
Dec. 4, 2019, 9 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) 0.27 ppb (3) N/A 13.9 μg/m3 (54) 54.0
 
Dec. 4, 2019, 8 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 16.0 ppb (12) 0.22 ppb (2) N/A 17.1 μg/m3 (61) 61.0
 
Dec. 4, 2019, 7 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.27 ppb (3) N/A 15.7 μg/m3 (58) 58.0
 
Dec. 4, 2019, 6 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.23 ppb (3) N/A 18.2 μg/m3 (63) 63.0
 
Dec. 4, 2019, 5 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.21 ppb (2) N/A 15.1 μg/m3 (57) 57.0
 
Dec. 4, 2019, 4 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) 0.22 ppb (2) N/A 12.8 μg/m3 (52) 52.0
 
Dec. 4, 2019, 3 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.19 ppb (2) N/A 13.2 μg/m3 (53) 53.0
 
Dec. 4, 2019, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 12.0 ppb (9) 0.26 ppb (3) N/A 11.4 μg/m3 (48) 48.0
 
Dec. 4, 2019, 1 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A 9.2 μg/m3 (38) 38.0
 
Dec. 4, 2019, noon N/A N/A N/A 22.0 ppb (20) N/A N/A 10.0 ppb (8) 0.32 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
Dec. 4, 2019, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.35 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
Dec. 4, 2019, 10 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.3 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Dec. 4, 2019, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.24 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
Dec. 4, 2019, 8 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 21.0 ppb (16) 0.22 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
Dec. 4, 2019, 7 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) 0.23 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Dec. 4, 2019, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) 0.25 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Dec. 4, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.22 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Dec. 4, 2019, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Dec. 4, 2019, 3 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) 0.32 ppb (4) N/A 5.7 μg/m3 (24) 24.0
 
Dec. 4, 2019, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 13.0 ppb (10) 0.31 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Dec. 4, 2019, 1 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 11.0 ppb (8) 0.29 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Dec. 4, 2019, midnight N/A N/A N/A 21.0 ppb (19) N/A N/A 14.0 ppb (11) 0.24 ppb (3) N/A 5.6 μg/m3 (23) 23.0
 
Dec. 3, 2019, 11 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 12.0 ppb (9) 0.33 ppb (4) N/A 4.7 μg/m3 (20) 22.0
 
Dec. 3, 2019, 10 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) 0.31 ppb (3) N/A 4.1 μg/m3 (17) 19.0
 
Dec. 3, 2019, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 22.0 ppb (17) 0.22 ppb (2) N/A 2.4 μg/m3 (10) 17.0
 
Dec. 3, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 29.0 ppb (22) 0.19 ppb (2) N/A 1.5 μg/m3 (6) 22.0
 
Dec. 3, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.14 ppb (2) N/A 1.2 μg/m3 (5) 25.0
 
Dec. 3, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.14 ppb (2) N/A 2.4 μg/m3 (10) 28.0
 
Dec. 3, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.14 ppb (2) N/A 2.6 μg/m3 (11) 27.0
 
Dec. 3, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.15 ppb (2) N/A 2.1 μg/m3 (9) 26.0
 
Dec. 3, 2019, 3 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 22.0
 
Dec. 3, 2019, 2 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 17.0 ppb (13) 0.24 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Dec. 3, 2019, 1 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 10.0 ppb (8) 0.29 ppb (3) N/A 5.2 μg/m3 (22) 25.0
 
Dec. 3, 2019, noon N/A N/A N/A 34.0 ppb (31) N/A N/A 4.0 ppb (3) 0.31 ppb (3) N/A 3.4 μg/m3 (14) 31.0
 
Dec. 3, 2019, 11 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 10.0 ppb (8) 0.26 ppb (3) N/A 2.5 μg/m3 (10) 26.0
 
Dec. 3, 2019, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) 0.18 ppb (2) N/A 2.5 μg/m3 (10) 17.0
 
Dec. 3, 2019, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) 0.15 ppb (2) N/A 2.4 μg/m3 (10) 18.0
 
Dec. 3, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.14 ppb (2) N/A 2.2 μg/m3 (9) 22.0
 
Dec. 3, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.15 ppb (2) N/A 2.3 μg/m3 (10) 20.0
 
Dec. 3, 2019, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) 0.16 ppb (2) N/A 2.4 μg/m3 (10) 20.0
 
Dec. 3, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.16 ppb (2) N/A 2.9 μg/m3 (12) 19.0
 
Dec. 3, 2019, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 23.0 ppb (18) 0.16 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
Dec. 3, 2019, 3 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.17 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Dec. 3, 2019, 2 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.16 ppb (2) N/A 3.2 μg/m3 (13) 21.0
 
Dec. 3, 2019, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 3.9 μg/m3 (16) 21.0
 
Dec. 3, 2019, midnight N/A N/A N/A 16.0 ppb (15) N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Dec. 2, 2019, 11 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 24.0 ppb (18) 0.21 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Dec. 2, 2019, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 27.0 ppb (21) 0.22 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
Dec. 2, 2019, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 25.0 ppb (19) 0.24 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
Dec. 2, 2019, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 27.0 ppb (21) 0.22 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
Dec. 2, 2019, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.21 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Dec. 2, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.19 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
Dec. 2, 2019, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
Dec. 2, 2019, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
Dec. 2, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 24.0 ppb (18) 0.21 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
Dec. 2, 2019, 2 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
Dec. 2, 2019, 1 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) 0.23 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Dec. 2, 2019, noon N/A N/A N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) 0.23 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
Dec. 2, 2019, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) 0.22 ppb (2) N/A 7.5 μg/m3 (31) 31.0
 
Dec. 2, 2019, 10 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
Dec. 2, 2019, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.19 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Dec. 2, 2019, 8 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 21.0 ppb (16) 0.21 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Dec. 2, 2019, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.21 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
Dec. 2, 2019, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.22 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
Dec. 2, 2019, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.19 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
Dec. 2, 2019, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
Dec. 2, 2019, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.21 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
Dec. 2, 2019, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 4.4 μg/m3 (18) 19.0
 
Dec. 2, 2019, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A 3.5 μg/m3 (15) 21.0
 
Dec. 2, 2019, midnight N/A N/A N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A 3.4 μg/m3 (14) 21.0
 
Dec. 1, 2019, 11 p.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 3.0 μg/m3 (12) 21.0
 
Dec. 1, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 21.0
 
Dec. 1, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.18 ppb (2) N/A 2.9 μg/m3 (12) 22.0
 
Dec. 1, 2019, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.16 ppb (2) N/A 2.7 μg/m3 (11) 23.0
 
Dec. 1, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 23.0
 
Dec. 1, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.15 ppb (2) N/A 2.0 μg/m3 (8) 24.0
 
Dec. 1, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.16 ppb (2) N/A 1.9 μg/m3 (8) 24.0
 
Dec. 1, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.16 ppb (2) N/A 1.9 μg/m3 (8) 24.0
 
Dec. 1, 2019, 3 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 29.0 ppb (22) 0.28 ppb (3) N/A 3.2 μg/m3 (13) 22.0
 
Dec. 1, 2019, 2 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A 2.6 μg/m3 (11) 22.0
 
Dec. 1, 2019, 1 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) 0.17 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Dec. 1, 2019, noon N/A N/A N/A 21.0 ppb (19) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A 3.9 μg/m3 (16) 19.0
 
Dec. 1, 2019, 11 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 16.0
 
Dec. 1, 2019, 10 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A 3.9 μg/m3 (16) 19.0
 
Dec. 1, 2019, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.17 ppb (2) N/A 3.1 μg/m3 (13) 15.0
 
Dec. 1, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.16 ppb (2) N/A 3.0 μg/m3 (12) 17.0
 
Dec. 1, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 4.2 μg/m3 (18) 21.0
 
Dec. 1, 2019, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 25.0 ppb (19) 0.18 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
Dec. 1, 2019, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 3.3 μg/m3 (14) 21.0
 
Dec. 1, 2019, 4 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 23.0 ppb (18) 0.16 ppb (2) N/A 2.6 μg/m3 (11) 18.0
 
Dec. 1, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 22.0 ppb (17) 0.18 ppb (2) N/A 4.6 μg/m3 (19) 19.0
 
Dec. 1, 2019, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.21 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
Dec. 1, 2019, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) 0.21 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Dec. 1, 2019, midnight N/A N/A N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
Nov. 30, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A 2.6 μg/m3 (11) 21.0
 
Nov. 30, 2019, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 24.0
 
Nov. 30, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.14 ppb (2) N/A 1.5 μg/m3 (6) 23.0
 
Nov. 30, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.12 ppb (1) N/A 0.3 μg/m3 (1) 28.0
 
Nov. 30, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.12 ppb (1) N/A 0.2 μg/m3 (1) 27.0
 
Nov. 30, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.12 ppb (1) N/A 0.2 μg/m3 (1) 28.0
 
Nov. 30, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.12 ppb (1) N/A 0.8 μg/m3 (3) 28.0
 
Nov. 30, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.13 ppb (1) N/A 0.7 μg/m3 (3) 28.0
 
Nov. 30, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.13 ppb (1) N/A 0.5 μg/m3 (2) 28.0
 
Nov. 30, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.13 ppb (1) N/A 0.5 μg/m3 (2) 27.0
 
Nov. 30, 2019, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.13 ppb (1) N/A 0.4 μg/m3 (2) 25.0
 
Nov. 30, 2019, noon N/A N/A N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.14 ppb (2) N/A 0.8 μg/m3 (3) 20.0
 
Nov. 30, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.13 ppb (1) N/A 1.2 μg/m3 (5) 20.0
 
Nov. 30, 2019, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.14 ppb (2) N/A 2.8 μg/m3 (12) 19.0
 
Nov. 30, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.12 ppb (1) N/A 1.4 μg/m3 (6) 24.0
 
Nov. 30, 2019, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.12 ppb (1) N/A 1.2 μg/m3 (5) 24.0
 
Nov. 30, 2019, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.12 ppb (1) N/A 0.9 μg/m3 (4) 25.0
 
Nov. 30, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.13 ppb (1) N/A 1.4 μg/m3 (6) 23.0
 
Nov. 30, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.13 ppb (1) N/A 1.7 μg/m3 (7) 24.0
 
Nov. 30, 2019, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.18 ppb (2) N/A 2.7 μg/m3 (11) 19.0
 
Nov. 30, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
Nov. 30, 2019, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) 0.22 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Nov. 30, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.18 ppb (2) N/A 3.9 μg/m3 (16) 16.0
 
Nov. 30, 2019, midnight N/A N/A N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) 0.17 ppb (2) N/A 2.6 μg/m3 (11) 15.0
 
Nov. 29, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.15 ppb (2) N/A 1.8 μg/m3 (8) 18.0
 
Nov. 29, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.15 ppb (2) N/A 0.6 μg/m3 (2) 19.0
 
Nov. 29, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.14 ppb (2) N/A 0.3 μg/m3 (1) 20.0
 
Nov. 29, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.14 ppb (2) N/A 0.2 μg/m3 (1) 21.0