AQSQID: CC0050103

Site Name: Saint-Jean-Baptiste

Location: Montréal (Blvd Saint-Jean-Baptiste), N/A

Reporting: True, Located: True

Current AQI: 22.0

Montréal (Blvd Saint-Jean-Baptiste) N/A, CA: 45.641026, -73.499682

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
Jan. 20, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
Jan. 20, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.5 μg/m3 (6) 24.0
 
Jan. 20, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Jan. 20, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 3.3 μg/m3 (14) 24.0
 
Jan. 20, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
Jan. 20, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 3.4 μg/m3 (14) 24.0
 
Jan. 20, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 3.9 μg/m3 (16) 23.0
 
Jan. 20, 2019, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Jan. 20, 2019, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 3.1 μg/m3 (13) 25.0
 
Jan. 20, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
Jan. 20, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 2.5 μg/m3 (10) 24.0
 
Jan. 20, 2019, noon N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 2.9 μg/m3 (12) 23.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
Jan. 20, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 4.1 μg/m3 (17) 23.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 20, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 20, 2019, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 4.7 μg/m3 (20) 22.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 4.5 μg/m3 (19) 22.0
 
Jan. 20, 2019, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Jan. 20, 2019, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 20, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 19, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 5.6 μg/m3 (23) 25.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 6.3 μg/m3 (26) 26.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 19, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 19, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 5.5 μg/m3 (23) 24.0
 
Jan. 19, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 5.2 μg/m3 (22) 24.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 32.0 ppb (25) N/A N/A 4.9 μg/m3 (20) 25.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.2 μg/m3 (13) 25.0
 
Jan. 19, 2019, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 3.9 μg/m3 (16) 25.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) 27.0 ppb (21) N/A N/A 3.1 μg/m3 (13) 21.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 1.7 μg/m3 (7) 27.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 1.7 μg/m3 (7) 28.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.1 μg/m3 (9) 28.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 9.4 μg/m3 (39) 39.0
 
Jan. 19, 2019, 3 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 25.7 μg/m3 (79) 79.0
 
Jan. 19, 2019, midnight N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 23.6 μg/m3 (75) 75.0
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 22.3 μg/m3 (72) 72.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 21.6 μg/m3 (70) 70.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 21.3 μg/m3 (70) 70.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A 31.0 ppb (29) N/A 2.0 ppb (3) 9.0 ppb (7) N/A N/A 25.8 μg/m3 (79) 79.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A 29.0 ppb (27) N/A 2.0 ppb (3) 11.0 ppb (8) N/A N/A 23.8 μg/m3 (75) 75.0
 
Jan. 18, 2019, 6 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 19.0 ppb (15) N/A N/A 18.4 μg/m3 (64) 64.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 16.5 μg/m3 (60) 60.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 18.6 μg/m3 (64) 64.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A 11.0 ppb (10) N/A 3.0 ppb (4) 23.0 ppb (18) N/A N/A 15.8 μg/m3 (58) 58.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 13.7 μg/m3 (54) 54.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 13.3 μg/m3 (53) 53.0
 
Jan. 18, 2019, noon N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 13.2 μg/m3 (53) 53.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 11.6 μg/m3 (48) 48.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 12.7 μg/m3 (51) 51.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 16.2 μg/m3 (59) 59.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 15.1 μg/m3 (57) 57.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 14.2 μg/m3 (55) 55.0
 
Jan. 18, 2019, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 11.8 μg/m3 (49) 49.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 10.4 μg/m3 (43) 43.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 13.2 μg/m3 (53) 53.0
 
Jan. 18, 2019, midnight N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 15.1 μg/m3 (57) 57.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 12.6 μg/m3 (51) 51.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 7.8 μg/m3 (32) 32.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 5.2 μg/m3 (22) 22.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.4 μg/m3 (23) 23.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 17, 2019, noon N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 3.7 μg/m3 (15) 20.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 3.6 μg/m3 (15) 19.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 3.3 μg/m3 (14) 17.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.2 μg/m3 (13) 17.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.1 μg/m3 (13) 20.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.8 μg/m3 (16) 20.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 4.3 μg/m3 (18) 21.0
 
Jan. 17, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 4.4 μg/m3 (18) 21.0
 
Jan. 17, 2019, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Jan. 17, 2019, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
Jan. 17, 2019, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 4.5 μg/m3 (19) 21.0
 
Jan. 17, 2019, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 4.3 μg/m3 (18) 22.0
 
Jan. 17, 2019, midnight N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 4.1 μg/m3 (17) 24.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 4.8 μg/m3 (20) 23.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 4.9 μg/m3 (20) 22.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 4.1 μg/m3 (17) 23.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 2.8 μg/m3 (12) 24.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A 16.0 ppb (23) 23.0 ppb (18) N/A N/A 2.3 μg/m3 (10) 23.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A 7.0 ppb (10) 22.0 ppb (17) N/A N/A 1.8 μg/m3 (8) 17.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 3.9 μg/m3 (16) 17.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 6.3 μg/m3 (26) 26.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 4.9 μg/m3 (20) 20.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2019, noon N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) 27.0 ppb (21) N/A N/A 18.6 μg/m3 (64) 64.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) 28.0 ppb (22) N/A N/A 22.2 μg/m3 (72) 72.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A 8.0 ppb (11) 26.0 ppb (20) N/A N/A 20.9 μg/m3 (69) 69.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 9.0 ppb (13) 23.0 ppb (18) N/A N/A 14.2 μg/m3 (55) 55.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 13.5 μg/m3 (53) 53.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 16.5 μg/m3 (60) 60.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 16.1 μg/m3 (59) 59.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 12.8 μg/m3 (52) 52.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 12.2 μg/m3 (50) 50.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 12.6 μg/m3 (51) 51.0
 
Jan. 16, 2019, midnight N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 27.2 μg/m3 (82) 82.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 24.6 μg/m3 (77) 77.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A 26.0 ppb (24) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 19.6 μg/m3 (66) 66.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A 34.0 ppb (31) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 31.2 μg/m3 (91) 91.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 28.8 μg/m3 (86) 86.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 16.2 μg/m3 (59) 59.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 16.0 ppb (12) N/A N/A 14.1 μg/m3 (54) 54.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 15.0 ppb (12) N/A N/A 16.4 μg/m3 (59) 59.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 18.2 μg/m3 (63) 63.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 17.4 μg/m3 (61) 61.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 17.3 μg/m3 (61) 61.0
 
Jan. 15, 2019, noon N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 12.8 μg/m3 (52) 52.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 12.1 μg/m3 (50) 50.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 10.5 μg/m3 (44) 44.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 8.7 μg/m3 (36) 36.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 12.3 μg/m3 (51) 51.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 11.5 μg/m3 (48) 48.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 10.4 μg/m3 (43) 43.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 10.6 μg/m3 (44) 44.0
 
Jan. 15, 2019, midnight N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 10.4 μg/m3 (43) 43.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 8.5 μg/m3 (35) 35.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 12.6 μg/m3 (51) 51.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 7.8 μg/m3 (32) 32.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A 37.0 ppb (34) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 22.8 μg/m3 (73) 73.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A 34.0 ppb (31) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 36.0 μg/m3 (101) 101.0
 
Jan. 14, 2019, noon N/A N/A N/A 33.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 31.3 μg/m3 (91) 91.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A 35.0 ppb (32) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 30.4 μg/m3 (89) 89.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A 34.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 25.7 μg/m3 (79) 79.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A 34.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 25.2 μg/m3 (78) 78.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 27.0 μg/m3 (82) 82.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 27.1 μg/m3 (82) 82.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A 34.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 33.8 μg/m3 (96) 96.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A 33.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 46.2 μg/m3 (127) 127.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 29.6 μg/m3 (87) 87.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 20.1 μg/m3 (67) 67.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 15.2 μg/m3 (57) 57.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 13.3 μg/m3 (53) 53.0