AQSQID: 000090228

Site Name: Calgary Central2

Location: Calgary (5 St SW), CC

Reporting: True, Located: True

Current AQI: 39.0

Calgary (5 St SW) CC, CA: 51.047611, -114.075165

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 23, 2019, 4 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 0.44 ppb (5) N/A 9.4 μg/m3 (39) 39.0
 
Sept. 23, 2019, 3 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.42 ppb (5) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 23, 2019, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 0.26 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 23, 2019, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.18 ppb (2) N/A 3.9 μg/m3 (16) 17.0
 
Sept. 23, 2019, midnight N/A N/A N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.17 ppb (2) N/A 3.7 μg/m3 (15) 20.0
 
Sept. 22, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.16 ppb (2) N/A 2.9 μg/m3 (12) 22.0
 
Sept. 22, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.14 ppb (2) N/A 2.0 μg/m3 (8) 26.0
 
Sept. 22, 2019, 9 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 1.8 μg/m3 (8) 27.0
 
Sept. 22, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.13 ppb (1) N/A 1.7 μg/m3 (7) 27.0
 
Sept. 22, 2019, 7 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 1.9 μg/m3 (8) 26.0
 
Sept. 22, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.13 ppb (1) N/A 1.7 μg/m3 (7) 25.0
 
Sept. 22, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A 2.2 μg/m3 (9) 22.0
 
Sept. 22, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.25 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 22, 2019, 3 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) 0.26 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 22, 2019, 2 p.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 4.4 μg/m3 (18) 18.0
 
Sept. 22, 2019, 1 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) 0.22 ppb (2) N/A 3.2 μg/m3 (13) 15.0
 
Sept. 22, 2019, noon N/A N/A N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) 0.19 ppb (2) N/A 3.1 μg/m3 (13) 16.0
 
Sept. 22, 2019, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) 0.17 ppb (2) N/A 2.6 μg/m3 (11) 13.0
 
Sept. 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
Sept. 22, 2019, 9 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) 0.2 ppb (2) N/A 3.1 μg/m3 (13) 13.0
 
Sept. 22, 2019, 8 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 1.0 ppb (1) 0.21 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
Sept. 22, 2019, 7 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) 0.23 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 22, 2019, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) 0.21 ppb (2) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 22, 2019, 5 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) 0.31 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 22, 2019, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) 0.39 ppb (4) N/A 9.5 μg/m3 (40) 40.0
 
Sept. 22, 2019, 3 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) 0.4 ppb (4) N/A 11.1 μg/m3 (46) 46.0
 
Sept. 22, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) 0.31 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 22, 2019, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) 0.28 ppb (3) N/A 10.6 μg/m3 (44) 44.0
 
Sept. 22, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.19 ppb (2) N/A 1.6 μg/m3 (7) 20.0
 
Sept. 21, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Sept. 21, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) 0.19 ppb (2) N/A 1.6 μg/m3 (7) 23.0
 
Sept. 21, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.18 ppb (2) N/A 1.6 μg/m3 (7) 25.0
 
Sept. 21, 2019, 8 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 1.7 μg/m3 (7) 25.0
 
Sept. 21, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A 1.9 μg/m3 (8) 25.0
 
Sept. 21, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 2.1 μg/m3 (9) 21.0
 
Sept. 21, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.23 ppb (3) N/A 3.3 μg/m3 (14) 15.0
 
Sept. 21, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) 0.26 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 21, 2019, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.31 ppb (3) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 21, 2019, 1 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) 0.27 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 21, 2019, noon N/A N/A N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) 0.28 ppb (3) N/A 3.5 μg/m3 (15) 15.0
 
Sept. 21, 2019, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) 0.22 ppb (2) N/A 2.8 μg/m3 (12) 13.0
 
Sept. 21, 2019, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) 0.22 ppb (2) N/A 2.7 μg/m3 (11) 13.0
 
Sept. 21, 2019, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 4.0 ppb (3) 0.21 ppb (2) N/A 1.9 μg/m3 (8) 8.0
 
Sept. 21, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 4.0 ppb (3) 0.23 ppb (3) N/A 2.4 μg/m3 (10) 11.0
 
Sept. 21, 2019, 7 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) 0.23 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Sept. 21, 2019, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 6.0 ppb (5) 0.24 ppb (3) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 21, 2019, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) 0.23 ppb (3) N/A 2.2 μg/m3 (9) 11.0
 
Sept. 21, 2019, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.24 ppb (3) N/A 2.6 μg/m3 (11) 11.0
 
Sept. 21, 2019, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.23 ppb (3) N/A 2.8 μg/m3 (12) 12.0
 
Sept. 21, 2019, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) 0.24 ppb (3) N/A 3.6 μg/m3 (15) 15.0
 
Sept. 21, 2019, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.24 ppb (3) N/A 3.7 μg/m3 (15) 15.0
 
Sept. 21, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 18.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 2.2 μg/m3 (9) 19.0
 
Sept. 20, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 1.8 μg/m3 (8) 20.0
 
Sept. 20, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A 2.1 μg/m3 (9) 22.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 23.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.19 ppb (2) N/A 2.0 μg/m3 (8) 18.0
 
Sept. 20, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A 2.2 μg/m3 (9) 16.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 9.0 ppb (7) 0.3 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.41 ppb (5) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.39 ppb (4) N/A 6.3 μg/m3 (26) 26.0
 
Sept. 20, 2019, 1 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 20, 2019, noon N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 ppb (3) 0.3 ppb (3) N/A 2.6 μg/m3 (11) 19.0
 
Sept. 20, 2019, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.18 ppb (2) N/A 1.5 μg/m3 (6) 11.0
 
Sept. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
Sept. 20, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.18 ppb (2) N/A 1.7 μg/m3 (7) 15.0
 
Sept. 20, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 12.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.27 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.22 ppb (2) N/A 3.6 μg/m3 (15) 24.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.23 ppb (3) N/A 3.8 μg/m3 (16) 21.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.19 ppb (2) N/A 4.1 μg/m3 (17) 22.0
 
Sept. 14, 2019, midnight N/A N/A N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 26.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 31.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.12 ppb (1) N/A 1.6 μg/m3 (7) 31.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.13 ppb (1) N/A 1.6 μg/m3 (7) 31.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.12 ppb (1) N/A 1.7 μg/m3 (7) 30.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.12 ppb (1) N/A 1.7 μg/m3 (7) 29.0
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 7.0 ppb (5) 0.3 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 5.0 ppb (4) 0.23 ppb (3) N/A 5.1 μg/m3 (21) 23.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 10.0 ppb (8) 0.21 ppb (2) N/A 4.7 μg/m3 (20) 22.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.15 ppb (2) N/A 2.5 μg/m3 (10) 17.0
 
Sept. 13, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.13 ppb (1) N/A 1.3 μg/m3 (5) 23.0
 
Sept. 12, 2019, 11 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 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) 0.43 ppb (5) N/A 8.6 μg/m3 (36) 36.0
 
Sept. 12, 2019, 4 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) 0.16 ppb (2) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 12, 2019, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.14 ppb (2) N/A 2.3 μg/m3 (10) 15.0
 
Sept. 12, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.14 ppb (2) N/A 1.6 μg/m3 (7) 18.0
 
Sept. 12, 2019, 1 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 1.4 μg/m3 (6) 18.0
 
Sept. 12, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.12 ppb (1) N/A 1.2 μg/m3 (5) 21.0
 
Sept. 11, 2019, 11 p.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 1.2 μg/m3 (5) 24.0
 
Sept. 11, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.15 ppb (2) N/A 3.2 μg/m3 (13) 16.0
 
Sept. 11, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.15 ppb (2) N/A 3.3 μg/m3 (14) 15.0
 
Sept. 11, 2019, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) 0.15 ppb (2) N/A 3.5 μg/m3 (15) 15.0
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 11, 2019, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.16 ppb (2) N/A 1.9 μg/m3 (8) 11.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.15 ppb (2) N/A 2.1 μg/m3 (9) 12.0
 
Sept. 11, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) 0.12 ppb (1) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 11, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.12 ppb (1) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 11, 2019, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.12 ppb (1) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 11, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.12 ppb (1) N/A 0.8 μg/m3 (3) 16.0
 
Sept. 11, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.12 ppb (1) N/A 0.5 μg/m3 (2) 16.0
 
Sept. 11, 2019, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) 0.16 ppb (2) N/A 1.0 μg/m3 (4) 13.0
 
Sept. 11, 2019, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.14 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
Sept. 11, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.13 ppb (1) N/A 0.6 μg/m3 (2) 22.0
 
Sept. 11, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.12 ppb (1) N/A 0.5 μg/m3 (2) 23.0
 
Sept. 10, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.13 ppb (1) N/A 0.7 μg/m3 (3) 3.0
 
Sept. 10, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.13 ppb (1) N/A 0.9 μg/m3 (4) 4.0
 
Sept. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 0.9 μg/m3 (4) 4.0
 
Sept. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 1.3 μg/m3 (5) 5.0
 
Sept. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.15 ppb (2) N/A 1.6 μg/m3 (7) 15.0
 
Sept. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.14 ppb (2) N/A 1.0 μg/m3 (4) 20.0
 
Sept. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.18 ppb (2) N/A 1.3 μg/m3 (5) 20.0
 
Sept. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.15 ppb (2) N/A 1.8 μg/m3 (8) 20.0
 
Sept. 10, 2019, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.15 ppb (2) N/A 1.9 μg/m3 (8) 18.0
 
Sept. 10, 2019, 1 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 2.7 μg/m3 (11) 18.0
 
Sept. 10, 2019, noon N/A N/A N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.14 ppb (2) N/A 2.2 μg/m3 (9) 19.0
 
Sept. 10, 2019, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.12 ppb (1) N/A 0.7 μg/m3 (3) 20.0
 
Sept. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
Sept. 10, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 21.0
 
Sept. 10, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 20.0
 
Sept. 10, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.12 ppb (1) N/A 2.3 μg/m3 (10) 19.0
 
Sept. 10, 2019, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.13 ppb (1) N/A 1.9 μg/m3 (8) 22.0
 
Sept. 10, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.13 ppb (1) N/A 2.0 μg/m3 (8) 22.0
 
Sept. 10, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.14 ppb (2) N/A 2.7 μg/m3 (11) 21.0
 
Sept. 9, 2019, 11 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 3.1 μg/m3 (13) 19.0
 
Sept. 9, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.17 ppb (2) N/A 4.6 μg/m3 (19) 19.0
 
Sept. 9, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.15 ppb (2) N/A 11.6 μg/m3 (48) 48.0
 
Sept. 9, 2019, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A 9.2 μg/m3 (38) 38.0
 
Sept. 9, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A N/A 2.2 μg/m3 (9) 15.0
 
Sept. 9, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 2.4 μg/m3 (10) 14.0
 
Sept. 9, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) N/A N/A 2.2 μg/m3 (9) 13.0
 
Sept. 9, 2019, noon N/A N/A N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.24 ppb (3) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 9, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) 0.23 ppb (3) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 9, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) 0.24 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Sept. 9, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 0.24 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 9, 2019, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2019, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.24 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 9, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.23 ppb (3) N/A 2.8 μg/m3 (12) 20.0
 
Sept. 9, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.25 ppb (3) N/A 3.4 μg/m3 (14) 22.0
 
Sept. 9, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.29 ppb (3) N/A 3.8 μg/m3 (16) 19.0
 
Sept. 8, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.27 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 8, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.26 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 8, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.25 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 8, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.24 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 8, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.24 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 8, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.23 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 8, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.24 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 8, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 8, 2019, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.24 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
Sept. 8, 2019, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.22 ppb (2) N/A 11.3 μg/m3 (47) 47.0
 
Sept. 8, 2019, noon N/A N/A N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 14.7 μg/m3 (56) 56.0
 
Sept. 8, 2019, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.19 ppb (2) N/A 15.9 μg/m3 (58) 58.0
 
Sept. 8, 2019, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
Sept. 8, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.21 ppb (2) N/A 2.9 μg/m3 (12) 14.0
 
Sept. 8, 2019, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.23 ppb (3) N/A 3.1 μg/m3 (13) 18.0
 
Sept. 8, 2019, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.23 ppb (3) N/A 3.1 μg/m3 (13) 20.0
 
Sept. 8, 2019, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.23 ppb (3) N/A 3.2 μg/m3 (13) 22.0
 
Sept. 8, 2019, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A 3.7 μg/m3 (15) 25.0
 
Sept. 8, 2019, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.24 ppb (3) N/A 4.9 μg/m3 (20) 25.0
 
Sept. 8, 2019, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A 3.6 μg/m3 (15) 27.0
 
Sept. 8, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 32.0
 
Sept. 7, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.19 ppb (2) N/A 4.0 μg/m3 (17) 33.0
 
Sept. 7, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.19 ppb (2) N/A 4.8 μg/m3 (20) 32.0
 
Sept. 7, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.21 ppb (2) N/A 3.6 μg/m3 (15) 32.0
 
Sept. 7, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.23 ppb (3) N/A 4.2 μg/m3 (18) 33.0