AQSQID: 000090228

Site Name: Calgary Central2

Location: Calgary (5 St SW), CC

Reporting: True, Located: True

Current AQI: 31.0

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
Nov. 21, 2019, 8 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 0.48 ppb (5) N/A 4.6 μg/m3 (19) 31.0
 
Nov. 21, 2019, 7 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.47 ppb (5) N/A 4.3 μg/m3 (18) 30.0
 
Nov. 21, 2019, 5 a.m. N/A N/A N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.67 ppb (7) N/A 6.8 μg/m3 (28) 33.0
 
Nov. 21, 2019, 4 a.m. N/A N/A N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.68 ppb (8) N/A 8.3 μg/m3 (35) 36.0
 
Nov. 21, 2019, 1 a.m. N/A N/A N/A 39.0 ppb (36) N/A N/A 1.0 ppb (1) 0.52 ppb (6) N/A 5.8 μg/m3 (24) 36.0
 
Nov. 21, 2019, midnight N/A N/A N/A 36.0 ppb (33) N/A N/A 4.0 ppb (3) 0.53 ppb (6) N/A 6.6 μg/m3 (28) 33.0
 
Nov. 20, 2019, 11 p.m. N/A N/A N/A 38.0 ppb (35) N/A N/A 4.0 ppb (3) 0.6 ppb (7) N/A 9.6 μg/m3 (40) 40.0
 
Nov. 20, 2019, 10 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 12.0 ppb (9) 0.5 ppb (6) N/A 8.8 μg/m3 (37) 37.0
 
Nov. 20, 2019, 9 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.45 ppb (5) N/A 7.4 μg/m3 (31) 31.0
 
Nov. 20, 2019, 6 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 14.0 ppb (11) 0.52 ppb (6) N/A 5.1 μg/m3 (21) 21.0
 
Nov. 20, 2019, 5 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 9.0 ppb (7) 0.53 ppb (6) N/A 6.2 μg/m3 (26) 31.0
 
Nov. 20, 2019, 3 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 3.0 ppb (2) 0.54 ppb (6) N/A 2.1 μg/m3 (9) 31.0
 
Nov. 20, 2019, 2 p.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.45 ppb (5) N/A 1.4 μg/m3 (6) 31.0
 
Nov. 20, 2019, 1 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) 0.39 ppb (4) N/A 1.5 μg/m3 (6) 31.0
 
Nov. 20, 2019, noon N/A N/A N/A 25.0 ppb (23) N/A N/A 10.0 ppb (8) 0.34 ppb (4) N/A 1.7 μg/m3 (7) 23.0
 
Nov. 20, 2019, 11 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 ppb (4) 0.33 ppb (4) N/A 1.9 μg/m3 (8) 27.0
 
Nov. 20, 2019, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 13.0 ppb (10) 0.32 ppb (4) N/A 1.9 μg/m3 (8) 19.0
 
Nov. 20, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.3 ppb (3) N/A 1.5 μg/m3 (6) 17.0
 
Nov. 20, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A 1.3 μg/m3 (5) 21.0
 
Nov. 20, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A 3.3 μg/m3 (14) 21.0
 
Nov. 20, 2019, 5 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 9.0 ppb (7) 0.4 ppb (4) N/A 10.1 μg/m3 (42) 42.0
 
Nov. 20, 2019, 4 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 12.0 ppb (9) 0.4 ppb (4) N/A 7.7 μg/m3 (32) 32.0
 
Nov. 20, 2019, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 17.0 ppb (13) 0.36 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 20, 2019, 1 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 21.0 ppb (16) 0.38 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
Nov. 20, 2019, midnight N/A N/A N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) 0.42 ppb (5) N/A 8.7 μg/m3 (36) 36.0
 
Nov. 19, 2019, 11 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.4 ppb (4) N/A 17.4 μg/m3 (61) 61.0
 
Nov. 19, 2019, 10 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) 0.4 ppb (4) N/A 11.5 μg/m3 (48) 48.0
 
Nov. 19, 2019, 9 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) 0.37 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 19, 2019, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.36 ppb (4) N/A 3.6 μg/m3 (15) 17.0
 
Nov. 19, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.34 ppb (4) N/A 5.7 μg/m3 (24) 24.0
 
Nov. 19, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.32 ppb (4) N/A 4.6 μg/m3 (19) 20.0
 
Nov. 19, 2019, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.32 ppb (4) N/A 5.7 μg/m3 (24) 24.0
 
Nov. 19, 2019, 3 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.35 ppb (4) N/A 4.6 μg/m3 (19) 19.0
 
Nov. 19, 2019, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.35 ppb (4) N/A 3.1 μg/m3 (13) 18.0
 
Nov. 19, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.31 ppb (3) N/A 1.0 μg/m3 (4) 25.0
 
Nov. 19, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.3 ppb (3) N/A 1.7 μg/m3 (7) 22.0
 
Nov. 19, 2019, 8 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 21.0 ppb (16) 0.3 ppb (3) N/A 3.1 μg/m3 (13) 16.0
 
Nov. 19, 2019, 7 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 14.0 ppb (11) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 18.0
 
Nov. 19, 2019, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 14.0 ppb (11) 0.35 ppb (4) N/A 3.7 μg/m3 (15) 19.0
 
Nov. 19, 2019, 4 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A 2.0 ppb (2) 0.49 ppb (5) N/A 10.6 μg/m3 (44) 44.0
 
Nov. 19, 2019, 3 a.m. N/A N/A N/A 39.0 ppb (36) N/A N/A 1.0 ppb (1) 0.56 ppb (6) N/A 10.9 μg/m3 (45) 45.0
 
Nov. 19, 2019, 2 a.m. N/A N/A N/A 39.0 ppb (36) N/A N/A 1.0 ppb (1) 0.56 ppb (6) N/A 10.1 μg/m3 (42) 42.0
 
Nov. 19, 2019, 1 a.m. N/A N/A N/A 40.0 ppb (37) N/A N/A 1.0 ppb (1) 0.57 ppb (6) N/A 9.9 μg/m3 (41) 41.0
 
Nov. 19, 2019, midnight N/A N/A N/A 35.0 ppb (32) N/A N/A 4.0 ppb (3) 0.49 ppb (5) N/A 7.0 μg/m3 (29) 32.0
 
Nov. 18, 2019, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 18.0 ppb (14) 0.39 ppb (4) N/A 4.9 μg/m3 (20) 20.0
 
Nov. 18, 2019, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.32 ppb (4) N/A 3.1 μg/m3 (13) 23.0
 
Nov. 18, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.3 ppb (3) N/A 2.9 μg/m3 (12) 26.0
 
Nov. 18, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.29 ppb (3) N/A 2.9 μg/m3 (12) 28.0
 
Nov. 18, 2019, 6 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 32.0 ppb (25) 0.34 ppb (4) N/A 3.6 μg/m3 (15) 25.0
 
Nov. 18, 2019, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 27.0 ppb (21) 0.33 ppb (4) N/A 4.2 μg/m3 (18) 21.0
 
Nov. 18, 2019, 4 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 24.0 ppb (18) 0.33 ppb (4) N/A 4.8 μg/m3 (20) 22.0
 
Nov. 18, 2019, 3 p.m. N/A N/A N/A 46.0 ppb (43) N/A N/A 6.0 ppb (5) 0.39 ppb (4) N/A 5.9 μg/m3 (25) 43.0
 
Nov. 18, 2019, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 28.0 ppb (22) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 22.0
 
Nov. 18, 2019, 1 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 24.0 ppb (18) 0.33 ppb (4) N/A 2.3 μg/m3 (10) 20.0
 
Nov. 18, 2019, noon N/A N/A N/A 20.0 ppb (19) N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A 2.0 μg/m3 (8) 19.0
 
Nov. 18, 2019, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 39.0 ppb (30) 0.25 ppb (3) N/A 0.9 μg/m3 (4) 30.0
 
Nov. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (3) 3.0
 
Nov. 18, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.25 ppb (3) N/A 0.7 μg/m3 (3) 28.0
 
Nov. 18, 2019, 8 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 25.0 ppb (19) 0.29 ppb (3) N/A 1.2 μg/m3 (5) 19.0
 
Nov. 18, 2019, 7 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 7.0 ppb (5) 0.35 ppb (4) N/A 2.2 μg/m3 (9) 30.0
 
Nov. 18, 2019, 6 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 13.0 ppb (10) 0.3 ppb (3) N/A 1.8 μg/m3 (8) 26.0
 
Nov. 18, 2019, 5 a.m. N/A N/A N/A 37.0 ppb (34) N/A N/A 7.0 ppb (5) 0.31 ppb (3) N/A 2.7 μg/m3 (11) 34.0
 
Nov. 18, 2019, 4 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 15.0 ppb (12) 0.29 ppb (3) N/A 1.9 μg/m3 (8) 24.0
 
Nov. 18, 2019, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.28 ppb (3) N/A 1.2 μg/m3 (5) 23.0
 
Nov. 18, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 23.0 ppb (18) 0.36 ppb (4) N/A 2.3 μg/m3 (10) 18.0
 
Nov. 18, 2019, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) 0.3 ppb (3) N/A 1.3 μg/m3 (5) 20.0
 
Nov. 18, 2019, midnight N/A N/A N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A 1.1 μg/m3 (5) 18.0
 
Nov. 17, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.28 ppb (3) N/A 1.1 μg/m3 (5) 22.0
 
Nov. 17, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.29 ppb (3) N/A 1.0 μg/m3 (4) 22.0
 
Nov. 17, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) 0.28 ppb (3) N/A 1.1 μg/m3 (5) 23.0
 
Nov. 17, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.28 ppb (3) N/A 1.1 μg/m3 (5) 25.0
 
Nov. 17, 2019, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.28 ppb (3) N/A 1.0 μg/m3 (4) 25.0
 
Nov. 17, 2019, 6 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.29 ppb (3) N/A 1.1 μg/m3 (5) 22.0
 
Nov. 17, 2019, 5 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.29 ppb (3) N/A 1.1 μg/m3 (5) 21.0
 
Nov. 17, 2019, 4 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.28 ppb (3) N/A 0.9 μg/m3 (4) 22.0
 
Nov. 17, 2019, 3 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 12.0 ppb (9) 0.35 ppb (4) N/A 2.5 μg/m3 (10) 21.0
 
Nov. 17, 2019, 2 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 6.0 ppb (5) 0.36 ppb (4) N/A 3.1 μg/m3 (13) 26.0
 
Nov. 17, 2019, 1 p.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 3.0 ppb (2) 0.33 ppb (4) N/A 2.7 μg/m3 (11) 31.0
 
Nov. 17, 2019, 11 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 9.0 ppb (7) 0.32 ppb (4) N/A 2.3 μg/m3 (10) 22.0
 
Nov. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Nov. 17, 2019, 9 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 11.0 ppb (8) 0.35 ppb (4) N/A 2.7 μg/m3 (11) 23.0
 
Nov. 17, 2019, 8 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) 0.48 ppb (5) N/A 5.9 μg/m3 (25) 29.0
 
Nov. 17, 2019, 7 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.54 ppb (6) N/A 7.4 μg/m3 (31) 31.0
 
Nov. 17, 2019, 6 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 0.58 ppb (6) N/A 8.9 μg/m3 (37) 37.0
 
Nov. 17, 2019, 5 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.61 ppb (7) N/A 9.4 μg/m3 (39) 39.0
 
Nov. 17, 2019, 4 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.59 ppb (7) N/A 8.6 μg/m3 (36) 36.0
 
Nov. 17, 2019, 3 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) 0.69 ppb (8) N/A 11.6 μg/m3 (48) 48.0
 
Nov. 17, 2019, 2 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.75 ppb (8) N/A 14.6 μg/m3 (56) 56.0
 
Nov. 17, 2019, midnight N/A N/A N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) 0.59 ppb (7) N/A 12.8 μg/m3 (52) 52.0
 
Nov. 16, 2019, 11 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 8.6 μg/m3 (36) 36.0
 
Nov. 16, 2019, 10 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 10.0 ppb (8) 0.48 ppb (5) N/A 9.3 μg/m3 (39) 39.0
 
Nov. 16, 2019, 9 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) 0.38 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
Nov. 16, 2019, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.31 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Nov. 16, 2019, 7 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.43 ppb (5) N/A 7.1 μg/m3 (30) 30.0
 
Nov. 16, 2019, 6 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 16.0 ppb (12) 0.48 ppb (5) N/A 8.7 μg/m3 (36) 36.0
 
Nov. 16, 2019, 5 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 9.0 ppb (7) 0.48 ppb (5) N/A 9.3 μg/m3 (39) 39.0
 
Nov. 16, 2019, 3 p.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.55 ppb (6) N/A 11.3 μg/m3 (47) 47.0
 
Nov. 16, 2019, 2 p.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.43 ppb (5) N/A 6.9 μg/m3 (29) 29.0
 
Nov. 16, 2019, 1 p.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.34 ppb (4) N/A 5.8 μg/m3 (24) 29.0
 
Nov. 16, 2019, noon N/A N/A N/A 23.0 ppb (21) N/A N/A 8.0 ppb (6) 0.31 ppb (3) N/A 4.5 μg/m3 (19) 21.0
 
Nov. 16, 2019, 11 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 7.0 ppb (5) 0.3 ppb (3) N/A 4.8 μg/m3 (20) 24.0
 
Nov. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 16, 2019, 9 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 10.0 ppb (8) 0.33 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
Nov. 16, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
Nov. 16, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.29 ppb (3) N/A 3.6 μg/m3 (15) 22.0
 
Nov. 16, 2019, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.31 ppb (3) N/A 3.5 μg/m3 (15) 20.0
 
Nov. 16, 2019, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 25.0 ppb (19) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 19.0
 
Nov. 16, 2019, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.27 ppb (3) N/A 2.0 μg/m3 (8) 21.0
 
Nov. 16, 2019, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.27 ppb (3) N/A 1.8 μg/m3 (8) 21.0
 
Nov. 16, 2019, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) 0.25 ppb (3) N/A 2.2 μg/m3 (9) 16.0
 
Nov. 16, 2019, midnight N/A N/A N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.25 ppb (3) N/A 2.4 μg/m3 (10) 18.0
 
Nov. 15, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.26 ppb (3) N/A 2.7 μg/m3 (11) 22.0
 
Nov. 15, 2019, 10 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 27.0 ppb (21) 0.29 ppb (3) N/A 3.3 μg/m3 (14) 21.0
 
Nov. 15, 2019, 9 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 12.0 ppb (9) 0.43 ppb (5) N/A 6.6 μg/m3 (28) 28.0
 
Nov. 15, 2019, 8 p.m. N/A N/A N/A 40.0 ppb (37) N/A N/A 2.0 ppb (2) 0.58 ppb (6) N/A 14.9 μg/m3 (56) 56.0
 
Nov. 15, 2019, 7 p.m. N/A N/A N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 0.53 ppb (6) N/A 15.8 μg/m3 (58) 58.0
 
Nov. 15, 2019, 6 p.m. N/A N/A N/A 38.0 ppb (35) N/A N/A 3.0 ppb (2) 0.64 ppb (7) N/A 17.5 μg/m3 (62) 62.0
 
Nov. 15, 2019, 5 p.m. N/A N/A N/A 40.0 ppb (37) N/A N/A 2.0 ppb (2) 0.67 ppb (7) N/A 17.0 μg/m3 (61) 61.0
 
Nov. 15, 2019, 4 p.m. N/A N/A N/A 46.0 ppb (43) N/A N/A 1.0 ppb (1) 0.58 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 3 p.m. N/A N/A N/A 47.0 ppb (44) N/A N/A 1.0 ppb (1) 0.5 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 15, 2019, 2 p.m. N/A N/A N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.43 ppb (5) N/A 6.7 μg/m3 (28) 33.0
 
Nov. 15, 2019, 1 p.m. N/A N/A N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 0.47 ppb (5) N/A 8.4 μg/m3 (35) 38.0
 
Nov. 15, 2019, noon N/A N/A N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.35 ppb (4) N/A 4.6 μg/m3 (19) 31.0
 
Nov. 15, 2019, 11 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 0.36 ppb (4) N/A 4.2 μg/m3 (18) 31.0
 
Nov. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
Nov. 15, 2019, 9 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 0.55 ppb (6) N/A 9.5 μg/m3 (40) 40.0
 
Nov. 15, 2019, 8 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.76 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
Nov. 15, 2019, 7 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) 0.75 ppb (8) N/A 12.3 μg/m3 (51) 51.0
 
Nov. 15, 2019, 6 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 0.72 ppb (8) N/A 11.6 μg/m3 (48) 48.0
 
Nov. 15, 2019, 5 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) 0.68 ppb (8) N/A 11.5 μg/m3 (48) 48.0
 
Nov. 15, 2019, 4 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.58 ppb (6) N/A 10.1 μg/m3 (42) 42.0
 
Nov. 15, 2019, 3 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 0.53 ppb (6) N/A 9.3 μg/m3 (39) 39.0
 
Nov. 15, 2019, 2 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 15, 2019, 1 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.48 ppb (5) N/A 13.5 μg/m3 (53) 53.0
 
Nov. 15, 2019, midnight N/A N/A N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) 0.46 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 11 p.m. N/A N/A N/A 39.0 ppb (36) N/A N/A 6.0 ppb (5) 0.47 ppb (5) N/A 10.5 μg/m3 (44) 44.0
 
Nov. 14, 2019, 10 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 13.0 ppb (10) 0.39 ppb (4) N/A 8.7 μg/m3 (36) 36.0
 
Nov. 14, 2019, 9 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 12.0 ppb (9) 0.36 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Nov. 14, 2019, 8 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 17.0 ppb (13) 0.41 ppb (5) N/A 10.4 μg/m3 (43) 43.0
 
Nov. 14, 2019, 7 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) 0.4 ppb (4) N/A 8.6 μg/m3 (36) 36.0
 
Nov. 14, 2019, 6 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 11.0 ppb (8) 0.49 ppb (5) N/A 12.8 μg/m3 (52) 52.0
 
Nov. 14, 2019, 5 p.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 8.0 ppb (6) 0.47 ppb (5) N/A 11.9 μg/m3 (50) 50.0
 
Nov. 14, 2019, 4 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 8.0 ppb (6) 0.55 ppb (6) N/A 9.5 μg/m3 (40) 40.0
 
Nov. 14, 2019, 3 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) 0.55 ppb (6) N/A 8.8 μg/m3 (37) 37.0
 
Nov. 14, 2019, 2 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 7.0 ppb (5) 0.34 ppb (4) N/A 4.5 μg/m3 (19) 24.0
 
Nov. 14, 2019, 1 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A 3.8 μg/m3 (16) 20.0
 
Nov. 14, 2019, noon N/A N/A N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) 0.25 ppb (3) N/A 2.7 μg/m3 (11) 14.0
 
Nov. 14, 2019, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.24 ppb (3) N/A 2.4 μg/m3 (10) 16.0
 
Nov. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
Nov. 14, 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 2.0 μg/m3 (8) 18.0
 
Nov. 14, 2019, 8 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 2.2 μg/m3 (9) 18.0
 
Nov. 14, 2019, 7 a.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 2.3 μg/m3 (10) 16.0
 
Nov. 14, 2019, 6 a.m. N/A N/A N/A 36.0 ppb (33) N/A N/A 3.0 ppb (2) 0.31 ppb (3) N/A 12.5 μg/m3 (51) 51.0
 
Nov. 14, 2019, 5 a.m. N/A N/A N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.34 ppb (4) N/A 4.8 μg/m3 (20) 37.0
 
Nov. 14, 2019, 4 a.m. N/A N/A N/A 40.0 ppb (37) N/A N/A 1.0 ppb (1) 0.33 ppb (4) N/A 4.2 μg/m3 (18) 37.0
 
Nov. 14, 2019, 3 a.m. N/A N/A N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 0.33 ppb (4) N/A 3.8 μg/m3 (16) 34.0
 
Nov. 14, 2019, 2 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A 3.5 μg/m3 (15) 27.0
 
Nov. 14, 2019, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) 0.27 ppb (3) N/A 2.4 μg/m3 (10) 18.0
 
Nov. 14, 2019, midnight N/A N/A N/A 19.0 ppb (18) N/A N/A 21.0 ppb (16) 0.31 ppb (3) N/A 2.7 μg/m3 (11) 18.0
 
Nov. 13, 2019, 11 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 19.0 ppb (15) 0.29 ppb (3) N/A 2.7 μg/m3 (11) 20.0
 
Nov. 13, 2019, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A 1.8 μg/m3 (8) 25.0
 
Nov. 13, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.23 ppb (3) N/A 1.5 μg/m3 (6) 26.0
 
Nov. 13, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.24 ppb (3) N/A 1.7 μg/m3 (7) 25.0
 
Nov. 13, 2019, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A 2.9 μg/m3 (12) 22.0
 
Nov. 13, 2019, 6 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.29 ppb (3) N/A 2.9 μg/m3 (12) 18.0
 
Nov. 13, 2019, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 18.0 ppb (14) 0.3 ppb (3) N/A 3.2 μg/m3 (13) 18.0
 
Nov. 13, 2019, 4 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 11.0 ppb (8) 0.43 ppb (5) N/A 3.8 μg/m3 (16) 23.0
 
Nov. 13, 2019, 3 p.m. N/A N/A N/A 37.0 ppb (34) N/A N/A 5.0 ppb (4) 0.51 ppb (6) N/A 5.4 μg/m3 (23) 34.0