AQSQID: 000090222

Site Name: Calgary Northwest

Location: Calgary (32 Ave NW), CC

Reporting: True, Located: True

Current AQI: 23.0

Calgary (32 Ave NW) CC, CA: 51.0814, -114.1403

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) 0.76 ppb (8) N/A 5.6 μg/m3 (23) 23.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) 0.75 ppb (8) N/A 4.7 μg/m3 (20) 20.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.75 ppb (8) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.75 ppb (8) N/A 4.3 μg/m3 (18) 18.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.75 ppb (8) N/A 3.0 μg/m3 (12) 13.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.76 ppb (8) N/A 2.6 μg/m3 (11) 14.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) 0.77 ppb (9) N/A 5.5 μg/m3 (23) 23.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.78 ppb (9) N/A 9.3 μg/m3 (39) 39.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.77 ppb (9) N/A 6.1 μg/m3 (25) 25.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.79 ppb (9) N/A 8.4 μg/m3 (35) 35.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) 0.83 ppb (9) N/A 23.9 μg/m3 (75) 75.0
 
Jan. 16, 2019, midnight N/A N/A N/A 18.0 ppb (17) N/A N/A 12.0 ppb (9) 0.84 ppb (9) N/A 27.0 μg/m3 (82) 82.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 13.0 ppb (10) 0.84 ppb (9) N/A 30.2 μg/m3 (89) 89.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 12.0 ppb (9) 0.83 ppb (9) N/A 38.7 μg/m3 (108) 108.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 14.0 ppb (11) 0.81 ppb (9) N/A 49.4 μg/m3 (135) 135.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.79 ppb (9) N/A 46.6 μg/m3 (128) 128.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 12.0 ppb (9) 0.9 ppb (10) N/A 28.4 μg/m3 (85) 85.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 7.0 ppb (5) 0.9 ppb (10) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 10.0 ppb (8) 0.79 ppb (9) N/A 1.3 μg/m3 (5) 19.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) 0.76 ppb (8) N/A 0.9 μg/m3 (4) 18.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 9.0 ppb (7) 0.77 ppb (9) N/A 0.8 μg/m3 (3) 19.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 12.0 ppb (9) 0.75 ppb (8) N/A 0.8 μg/m3 (3) 16.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) 0.74 ppb (8) N/A 0.7 μg/m3 (3) 12.0
 
Jan. 15, 2019, noon N/A N/A N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) 0.73 ppb (8) N/A 0.7 μg/m3 (3) 12.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 16.0 ppb (12) 0.74 ppb (8) N/A 0.9 μg/m3 (4) 13.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) 0.72 ppb (8) N/A 1.0 μg/m3 (4) 14.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 10.0 ppb (8) 0.71 ppb (8) N/A 1.3 μg/m3 (5) 19.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 16.0 ppb (12) 0.71 ppb (8) N/A 1.6 μg/m3 (7) 14.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) 0.72 ppb (8) N/A 1.7 μg/m3 (7) 14.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.73 ppb (8) N/A 2.2 μg/m3 (9) 16.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 18.0 ppb (14) 0.74 ppb (8) N/A 3.9 μg/m3 (16) 16.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) 0.75 ppb (8) N/A 4.7 μg/m3 (20) 20.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 11.0 ppb (8) 0.78 ppb (9) N/A 3.7 μg/m3 (15) 24.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A 7.0 ppb (5) 1.01 ppb (11) N/A 9.8 μg/m3 (41) 41.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 11.0 ppb (8) 1.03 ppb (11) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2019, midnight N/A N/A N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) 0.79 ppb (9) N/A 4.0 μg/m3 (17) 26.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.76 ppb (8) N/A 3.8 μg/m3 (16) 25.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.72 ppb (8) N/A 2.1 μg/m3 (9) 28.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.7 ppb (8) N/A 1.5 μg/m3 (6) 31.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.69 ppb (8) N/A 2.2 μg/m3 (9) 30.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) 0.72 ppb (8) N/A 3.0 μg/m3 (12) 25.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.71 ppb (8) N/A 1.8 μg/m3 (8) 23.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) 0.71 ppb (8) N/A 1.4 μg/m3 (6) 20.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.73 ppb (8) N/A 0.9 μg/m3 (4) 17.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 19.0 ppb (15) 0.72 ppb (8) N/A 0.9 μg/m3 (4) 15.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 17.0 ppb (13) 0.72 ppb (8) N/A 0.8 μg/m3 (3) 15.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 18.0 ppb (14) 0.71 ppb (8) N/A 0.8 μg/m3 (3) 14.0
 
Jan. 14, 2019, noon N/A N/A N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) 0.7 ppb (8) N/A 0.8 μg/m3 (3) 15.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) 0.7 ppb (8) N/A 0.8 μg/m3 (3) 18.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) 0.7 ppb (8) N/A 1.0 μg/m3 (4) 18.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) 0.7 ppb (8) N/A 1.2 μg/m3 (5) 18.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.71 ppb (8) N/A 1.6 μg/m3 (7) 18.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.71 ppb (8) N/A 1.8 μg/m3 (8) 18.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.72 ppb (8) N/A 2.2 μg/m3 (9) 16.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.72 ppb (8) N/A 3.3 μg/m3 (14) 17.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 21.0 ppb (16) 0.73 ppb (8) N/A 3.4 μg/m3 (14) 16.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) 0.73 ppb (8) N/A 3.5 μg/m3 (15) 16.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 18.0 ppb (14) 0.72 ppb (8) N/A 4.3 μg/m3 (18) 18.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) 0.76 ppb (8) N/A 6.5 μg/m3 (27) 27.0
 
Jan. 14, 2019, midnight N/A N/A N/A 18.0 ppb (17) N/A N/A 25.0 ppb (19) 0.85 ppb (9) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.69 ppb (8) N/A 2.5 μg/m3 (10) 28.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.68 ppb (8) N/A 2.2 μg/m3 (9) 31.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) 0.7 ppb (8) N/A 2.4 μg/m3 (10) 29.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.73 ppb (8) N/A 3.0 μg/m3 (12) 25.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.74 ppb (8) N/A 3.7 μg/m3 (15) 22.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.74 ppb (8) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 26.0 ppb (20) 0.7 ppb (8) N/A 1.4 μg/m3 (6) 20.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.68 ppb (8) N/A 1.0 μg/m3 (4) 21.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.69 ppb (8) N/A 1.0 μg/m3 (4) 21.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.68 ppb (8) N/A 0.9 μg/m3 (4) 21.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) 0.68 ppb (8) N/A 0.8 μg/m3 (3) 19.0
 
Jan. 13, 2019, noon N/A N/A N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.68 ppb (8) N/A 0.8 μg/m3 (3) 18.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.68 ppb (8) N/A 0.8 μg/m3 (3) 20.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) 0.68 ppb (8) N/A 0.8 μg/m3 (3) 22.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) 0.68 ppb (8) N/A 0.8 μg/m3 (3) 22.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.69 ppb (8) N/A 0.8 μg/m3 (3) 22.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.69 ppb (8) N/A 0.9 μg/m3 (4) 22.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 22.0 ppb (17) 0.74 ppb (8) N/A 1.7 μg/m3 (7) 17.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) 0.71 ppb (8) N/A 1.9 μg/m3 (8) 21.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 25.0 ppb (19) 0.73 ppb (8) N/A 3.5 μg/m3 (15) 19.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 20.0 ppb (15) 0.78 ppb (9) N/A 5.6 μg/m3 (23) 23.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A 3.0 ppb (2) 1.27 ppb (14) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 13, 2019, midnight N/A N/A N/A 38.0 ppb (35) N/A N/A 2.0 ppb (2) 1.25 ppb (14) N/A 17.9 μg/m3 (63) 63.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 22.0 ppb (17) 0.79 ppb (9) N/A 6.3 μg/m3 (26) 26.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.76 ppb (8) N/A 4.8 μg/m3 (20) 20.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.73 ppb (8) N/A 3.5 μg/m3 (15) 18.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.72 ppb (8) N/A 2.8 μg/m3 (12) 22.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.71 ppb (8) N/A 2.6 μg/m3 (11) 22.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) 0.69 ppb (8) N/A 2.3 μg/m3 (10) 23.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.7 ppb (8) N/A 2.4 μg/m3 (10) 22.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.69 ppb (8) N/A 0.8 μg/m3 (3) 22.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) 0.7 ppb (8) N/A 0.8 μg/m3 (3) 20.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.69 ppb (8) N/A 1.6 μg/m3 (7) 18.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 29.0 ppb (22) 0.67 ppb (7) N/A 1.2 μg/m3 (5) 22.0
 
Jan. 12, 2019, noon N/A N/A N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.67 ppb (7) N/A 1.2 μg/m3 (5) 25.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 29.0 ppb (22) 0.68 ppb (8) N/A 0.6 μg/m3 (2) 22.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.69 ppb (8) N/A 1.1 μg/m3 (5) 21.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) 0.68 ppb (8) N/A 1.2 μg/m3 (5) 22.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.68 ppb (8) N/A 1.7 μg/m3 (7) 21.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.69 ppb (8) N/A 1.9 μg/m3 (8) 22.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.69 ppb (8) N/A 2.4 μg/m3 (10) 22.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) 0.68 ppb (8) N/A 2.4 μg/m3 (10) 24.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.68 ppb (8) N/A 2.6 μg/m3 (11) 25.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.7 ppb (8) N/A 3.0 μg/m3 (12) 25.0
 
Jan. 12, 2019, midnight N/A N/A N/A 45.0 ppb (42) N/A N/A 1.0 ppb (1) 1.86 ppb (21) N/A 31.2 μg/m3 (91) 91.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 ppb (2) 1.72 ppb (19) N/A 27.6 μg/m3 (83) 83.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 10.0 ppb (8) 1.12 ppb (12) N/A 16.6 μg/m3 (60) 60.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 17.0 ppb (13) 0.84 ppb (9) N/A 8.4 μg/m3 (35) 35.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) 0.78 ppb (9) N/A 6.5 μg/m3 (27) 27.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 17.0 ppb (13) 0.77 ppb (9) N/A 3.4 μg/m3 (14) 18.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 11.0 ppb (8) 0.84 ppb (9) N/A 2.9 μg/m3 (12) 24.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 ppb (4) 0.87 ppb (10) N/A 2.5 μg/m3 (10) 27.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.91 ppb (10) N/A 3.0 μg/m3 (12) 32.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.82 ppb (9) N/A 2.6 μg/m3 (11) 32.0
 
Jan. 11, 2019, noon N/A N/A N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.82 ppb (9) N/A 4.1 μg/m3 (17) 31.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.84 ppb (9) N/A 4.4 μg/m3 (18) 31.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.92 ppb (10) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 1.04 ppb (12) N/A 12.5 μg/m3 (51) 51.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 1.15 ppb (13) N/A 21.3 μg/m3 (70) 70.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 1.25 ppb (14) N/A 24.3 μg/m3 (76) 76.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 1.32 ppb (15) N/A 18.1 μg/m3 (63) 63.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 1.25 ppb (14) N/A 22.9 μg/m3 (73) 73.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 1.16 ppb (13) N/A 26.0 μg/m3 (80) 80.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) 1.14 ppb (13) N/A 27.9 μg/m3 (84) 84.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 1.37 ppb (15) N/A 34.5 μg/m3 (98) 98.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) 1.05 ppb (12) N/A 20.6 μg/m3 (68) 68.0
 
Jan. 11, 2019, midnight N/A N/A N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) 0.7 ppb (8) N/A 4.8 μg/m3 (20) 23.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) 0.68 ppb (8) N/A 3.0 μg/m3 (12) 25.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.65 ppb (7) N/A 1.4 μg/m3 (6) 29.0
 
Jan. 10, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.65 ppb (7) N/A 1.3 μg/m3 (5) 29.0
 
Jan. 10, 2019, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 23.0 ppb (18) 0.75 ppb (8) N/A 3.5 μg/m3 (15) 18.0
 
Jan. 10, 2019, 7 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 11.0 ppb (8) 0.85 ppb (9) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 10, 2019, 6 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 8.0 ppb (6) 0.91 ppb (10) N/A 7.5 μg/m3 (31) 31.0
 
Jan. 10, 2019, 5 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 ppb (4) 1.02 ppb (11) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 4 p.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 1.05 ppb (12) N/A 10.2 μg/m3 (42) 42.0
 
Jan. 10, 2019, 3 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 1.0 ppb (1) 1.06 ppb (12) N/A 11.2 μg/m3 (47) 47.0
 
Jan. 10, 2019, 2 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 0.79 ppb (9) N/A 11.4 μg/m3 (48) 48.0
 
Jan. 10, 2019, 1 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.78 ppb (9) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 10, 2019, noon N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.76 ppb (8) N/A 13.6 μg/m3 (53) 53.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.77 ppb (9) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A 12.2 μg/m3 (50) 50.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A 12.7 μg/m3 (51) 51.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A 12.2 μg/m3 (50) 50.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 0.85 ppb (9) N/A 4.7 μg/m3 (20) 21.0
 
Jan. 10, 2019, 4 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 0.84 ppb (9) N/A 3.6 μg/m3 (15) 20.0
 
Jan. 10, 2019, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) 0.72 ppb (8) N/A 4.1 μg/m3 (17) 17.0
 
Jan. 10, 2019, 1 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 7.0 ppb (5) 0.69 ppb (8) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 10, 2019, midnight N/A N/A N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) 0.71 ppb (8) N/A 8.2 μg/m3 (34) 34.0
 
Jan. 9, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.71 ppb (8) N/A 9.5 μg/m3 (40) 40.0
 
Jan. 9, 2019, 10 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.71 ppb (8) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 9, 2019, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) 0.73 ppb (8) N/A 14.3 μg/m3 (55) 55.0
 
Jan. 9, 2019, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) 0.72 ppb (8) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 9, 2019, 7 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) 0.78 ppb (9) N/A 11.3 μg/m3 (47) 47.0
 
Jan. 9, 2019, 6 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) 0.76 ppb (8) N/A 8.5 μg/m3 (35) 35.0
 
Jan. 9, 2019, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 0.72 ppb (8) N/A 5.2 μg/m3 (22) 22.0
 
Jan. 9, 2019, 4 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 ppb (3) 0.71 ppb (8) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 9, 2019, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 5.0 ppb (4) 0.67 ppb (7) N/A 4.9 μg/m3 (20) 20.0
 
Jan. 9, 2019, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 0.66 ppb (7) N/A 3.9 μg/m3 (16) 18.0
 
Jan. 9, 2019, 1 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.7 ppb (8) N/A 6.5 μg/m3 (27) 27.0
 
Jan. 9, 2019, noon N/A N/A N/A 18.0 ppb (17) N/A N/A 9.0 ppb (7) 0.66 ppb (7) N/A 6.5 μg/m3 (27) 27.0
 
Jan. 9, 2019, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 9.0 ppb (7) 0.65 ppb (7) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 9, 2019, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) 0.64 ppb (7) N/A 3.7 μg/m3 (15) 15.0
 
Jan. 9, 2019, 9 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 12.0 ppb (9) 0.64 ppb (7) N/A 3.9 μg/m3 (16) 16.0
 
Jan. 9, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.63 ppb (7) N/A 3.3 μg/m3 (14) 14.0
 
Jan. 9, 2019, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) 0.63 ppb (7) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 9, 2019, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.63 ppb (7) N/A 3.9 μg/m3 (16) 16.0
 
Jan. 9, 2019, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) 0.64 ppb (7) N/A 3.4 μg/m3 (14) 15.0