AQSQID: 000090228

Site Name: Calgary Central2

Location: Calgary (5 St SW), CC

Reporting: True, Located: True

Current AQI: 51.0

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
Jan. 16, 2019, 8 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 8.0 ppb (6) 0.37 ppb (4) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.36 ppb (4) N/A 12.2 μg/m3 (50) 50.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.35 ppb (4) N/A 13.7 μg/m3 (54) 54.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) 0.41 ppb (5) N/A 15.4 μg/m3 (57) 57.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 7.0 ppb (5) 0.39 ppb (4) N/A 15.5 μg/m3 (57) 57.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 6.0 ppb (5) 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) 0.3 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
Jan. 16, 2019, noon N/A N/A N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.27 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.26 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.27 ppb (3) N/A 11.8 μg/m3 (49) 49.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.25 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.25 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.26 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.26 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.27 ppb (3) N/A 6.3 μg/m3 (26) 26.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.29 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) 0.29 ppb (3) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.29 ppb (3) N/A 6.3 μg/m3 (26) 26.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.32 ppb (4) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 16, 2019, midnight N/A N/A N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) 0.35 ppb (4) N/A 21.3 μg/m3 (70) 70.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.36 ppb (4) N/A 25.2 μg/m3 (78) 78.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.35 ppb (4) N/A 28.8 μg/m3 (86) 86.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.36 ppb (4) N/A 38.8 μg/m3 (108) 108.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) 0.38 ppb (4) N/A 42.4 μg/m3 (117) 117.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 16.0 ppb (12) 0.37 ppb (4) N/A 36.5 μg/m3 (102) 102.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 8.0 ppb (6) 0.51 ppb (6) N/A 21.6 μg/m3 (70) 70.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.6 ppb (7) N/A 10.9 μg/m3 (45) 45.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 3.0 ppb (2) 0.59 ppb (7) N/A 9.5 μg/m3 (40) 40.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.64 ppb (7) N/A 9.2 μg/m3 (38) 38.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.49 ppb (5) N/A 6.2 μg/m3 (26) 31.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A 5.3 μg/m3 (22) 30.0
 
Jan. 15, 2019, noon N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.34 ppb (4) N/A 5.4 μg/m3 (23) 29.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.34 ppb (4) N/A 5.4 μg/m3 (23) 30.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) 0.34 ppb (4) N/A 5.3 μg/m3 (22) 28.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 0.49 ppb (5) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.51 ppb (6) N/A 8.2 μg/m3 (34) 34.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.54 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A 36.0 ppb (33) N/A N/A 1.0 ppb (1) 0.49 ppb (5) N/A 5.6 μg/m3 (23) 33.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 0.55 ppb (6) N/A 7.7 μg/m3 (32) 34.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A 42.0 ppb (39) N/A N/A 0.0 ppb (0) 1.14 ppb (13) N/A 14.8 μg/m3 (56) 56.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A 44.0 ppb (41) N/A N/A 0.0 ppb (0) 1.26 ppb (14) N/A 17.6 μg/m3 (62) 62.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A 44.0 ppb (41) N/A N/A 0.0 ppb (0) 1.05 ppb (12) N/A 18.6 μg/m3 (64) 64.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 ppb (2) 0.9 ppb (10) N/A 14.9 μg/m3 (56) 56.0
 
Jan. 15, 2019, midnight N/A N/A N/A 38.0 ppb (35) N/A N/A 7.0 ppb (5) 0.49 ppb (5) N/A 8.5 μg/m3 (35) 35.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 20.0 ppb (15) 0.43 ppb (5) N/A 6.3 μg/m3 (26) 26.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.32 ppb (4) N/A 3.3 μg/m3 (14) 25.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.3 ppb (3) N/A 4.1 μg/m3 (17) 25.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 28.0 ppb (22) 0.34 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.35 ppb (4) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 21.0 ppb (16) 0.34 ppb (4) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 15.0 ppb (12) 0.37 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 ppb (5) 0.47 ppb (5) N/A 7.3 μg/m3 (30) 31.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.55 ppb (6) N/A 6.8 μg/m3 (28) 36.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.39 ppb (4) N/A 6.3 μg/m3 (26) 35.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 3.0 ppb (2) 0.33 ppb (4) N/A 4.7 μg/m3 (20) 30.0
 
Jan. 14, 2019, noon N/A N/A N/A 24.0 ppb (22) N/A N/A 8.0 ppb (6) 0.3 ppb (3) N/A 3.9 μg/m3 (16) 22.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 10.0 ppb (8) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 13.0 ppb (10) 0.28 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 14.0 ppb (11) 0.28 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.3 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 12.0 ppb (9) 0.31 ppb (3) N/A 5.3 μg/m3 (22) 22.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 12.0 ppb (9) 0.34 ppb (4) N/A 5.4 μg/m3 (23) 23.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 13.0 ppb (10) 0.34 ppb (4) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 9.0 ppb (7) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 6.0 ppb (5) 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A 36.0 ppb (33) N/A N/A 3.0 ppb (2) 0.62 ppb (7) N/A 13.1 μg/m3 (52) 52.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A 42.0 ppb (39) N/A N/A 0.0 ppb (0) 0.72 ppb (8) N/A 15.2 μg/m3 (57) 57.0
 
Jan. 14, 2019, midnight N/A N/A N/A 31.0 ppb (29) N/A N/A 11.0 ppb (8) 0.39 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 28.0 ppb (22) 0.29 ppb (3) N/A 4.4 μg/m3 (18) 22.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.24 ppb (3) N/A 2.9 μg/m3 (12) 28.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) 0.33 ppb (4) N/A 4.5 μg/m3 (19) 24.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 19.0 ppb (15) 0.41 ppb (5) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 23.0 ppb (18) 0.4 ppb (4) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 17.0 ppb (13) 0.42 ppb (5) N/A 5.5 μg/m3 (23) 23.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 20.0 ppb (15) 0.32 ppb (4) N/A 3.7 μg/m3 (15) 17.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) 0.27 ppb (3) N/A 2.8 μg/m3 (12) 16.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) 0.28 ppb (3) N/A 2.7 μg/m3 (11) 19.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 18.0 ppb (14) 0.25 ppb (3) N/A 2.4 μg/m3 (10) 15.0
 
Jan. 13, 2019, noon N/A N/A N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.23 ppb (3) N/A 2.4 μg/m3 (10) 17.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) 0.31 ppb (3) N/A 2.9 μg/m3 (12) 20.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 10.0 ppb (8) 0.65 ppb (7) N/A 3.6 μg/m3 (15) 24.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 3.0 ppb (2) 0.53 ppb (6) N/A 6.4 μg/m3 (27) 31.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 1.02 ppb (11) N/A 15.2 μg/m3 (57) 57.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 1.29 ppb (14) N/A 20.7 μg/m3 (69) 69.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 1.31 ppb (15) N/A 23.3 μg/m3 (74) 74.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A 44.0 ppb (41) N/A N/A 0.0 ppb (0) 1.16 ppb (13) N/A 23.5 μg/m3 (74) 74.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 1.2 ppb (13) N/A 21.5 μg/m3 (70) 70.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 1.16 ppb (13) N/A 21.4 μg/m3 (70) 70.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 1.12 ppb (12) N/A 27.8 μg/m3 (84) 84.0
 
Jan. 13, 2019, midnight N/A N/A N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 1.03 ppb (11) N/A 20.0 μg/m3 (67) 67.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) 0.66 ppb (7) N/A 13.8 μg/m3 (54) 54.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A 35.0 ppb (32) N/A N/A 6.0 ppb (5) 0.49 ppb (5) N/A 11.3 μg/m3 (47) 47.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 10.0 ppb (8) 0.42 ppb (5) N/A 9.4 μg/m3 (39) 39.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 15.0 ppb (12) 0.39 ppb (4) N/A 7.7 μg/m3 (32) 32.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 12.0 ppb (9) 0.39 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 9.0 ppb (7) 0.34 ppb (4) N/A 7.5 μg/m3 (31) 31.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 8.0 ppb (6) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 31.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 18.0 ppb (14) 0.29 ppb (3) N/A 4.2 μg/m3 (18) 19.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 16.0 ppb (12) 0.26 ppb (3) N/A 3.5 μg/m3 (15) 19.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 21.0 ppb (16) 0.25 ppb (3) N/A 2.6 μg/m3 (11) 16.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 26.0 ppb (20) 0.23 ppb (3) N/A 2.2 μg/m3 (9) 20.0
 
Jan. 12, 2019, noon N/A N/A N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) 0.28 ppb (3) N/A 3.2 μg/m3 (13) 20.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 14.0 ppb (11) 0.28 ppb (3) N/A 3.0 μg/m3 (12) 19.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 19.0 ppb (15) 0.26 ppb (3) N/A 2.5 μg/m3 (10) 15.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) 0.26 ppb (3) N/A 2.6 μg/m3 (11) 16.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.27 ppb (3) N/A 3.2 μg/m3 (13) 15.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 19.0 ppb (15) 0.31 ppb (3) N/A 3.7 μg/m3 (15) 17.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.76 ppb (8) N/A 14.4 μg/m3 (55) 55.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A 42.0 ppb (39) N/A N/A -1.0 ppb (0) 0.84 ppb (9) N/A 17.1 μg/m3 (61) 61.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A 42.0 ppb (39) N/A N/A 0.0 ppb (0) 0.95 ppb (11) N/A 21.8 μg/m3 (71) 71.0
 
Jan. 12, 2019, 3 a.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 23.8 μg/m3 (75) 75.0
 
Jan. 12, 2019, midnight N/A N/A N/A 45.0 ppb (42) N/A N/A 0.0 ppb (0) 0.92 ppb (10) N/A 27.1 μg/m3 (82) 82.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A 42.0 ppb (39) N/A N/A 1.0 ppb (1) 0.7 ppb (8) N/A 20.7 μg/m3 (69) 69.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A 51.0 ppb (47) N/A N/A 5.0 ppb (4) 0.74 ppb (8) N/A 21.9 μg/m3 (71) 71.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 ppb (3) 0.84 ppb (9) N/A 23.3 μg/m3 (74) 74.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A 50.0 ppb (46) N/A N/A 3.0 ppb (2) 1.0 ppb (11) N/A 28.1 μg/m3 (84) 84.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A 56.0 ppb (52) N/A N/A 3.0 ppb (2) 1.17 ppb (13) N/A 18.8 μg/m3 (64) 64.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A 54.0 ppb (50) N/A N/A 2.0 ppb (2) 1.18 ppb (13) N/A 15.8 μg/m3 (58) 58.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A 62.0 ppb (59) N/A N/A 1.0 ppb (1) 1.34 ppb (15) N/A 15.0 μg/m3 (56) 59.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A 54.0 ppb (50) N/A N/A 1.0 ppb (1) 1.26 ppb (14) N/A 16.9 μg/m3 (60) 60.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A 42.0 ppb (39) N/A N/A 0.0 ppb (0) 1.15 ppb (13) N/A 18.1 μg/m3 (63) 63.0
 
Jan. 11, 2019, noon N/A N/A N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.94 ppb (10) N/A 19.7 μg/m3 (66) 66.0
 
Jan. 11, 2019, 11 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 22.0 μg/m3 (71) 71.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.81 ppb (9) N/A 22.8 μg/m3 (73) 73.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.77 ppb (9) N/A 21.9 μg/m3 (71) 71.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.71 ppb (8) N/A 21.1 μg/m3 (69) 69.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.63 ppb (7) N/A 21.5 μg/m3 (70) 70.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.49 ppb (5) N/A 20.5 μg/m3 (68) 68.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.41 ppb (5) N/A 22.4 μg/m3 (72) 72.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.39 ppb (4) N/A 22.4 μg/m3 (72) 72.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 0.31 ppb (3) N/A 18.4 μg/m3 (64) 64.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.46 ppb (5) N/A 22.0 μg/m3 (71) 71.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 0.51 ppb (6) N/A 21.9 μg/m3 (71) 71.0
 
Jan. 11, 2019, midnight N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.44 ppb (5) N/A 21.1 μg/m3 (69) 69.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 16.0 ppb (12) 0.32 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.27 ppb (3) N/A 1.6 μg/m3 (7) 25.0
 
Jan. 10, 2019, 9 p.m. N/A N/A N/A 40.0 ppb (37) N/A N/A 8.0 ppb (6) 0.65 ppb (7) N/A 21.2 μg/m3 (70) 70.0
 
Jan. 10, 2019, 8 p.m. N/A N/A N/A 60.0 ppb (56) N/A N/A 2.0 ppb (2) 1.24 ppb (14) N/A 41.8 μg/m3 (116) 116.0
 
Jan. 10, 2019, 7 p.m. N/A N/A N/A 66.0 ppb (63) N/A N/A 2.0 ppb (2) 1.49 ppb (17) N/A 49.7 μg/m3 (136) 136.0
 
Jan. 10, 2019, 6 p.m. N/A N/A N/A 56.0 ppb (52) N/A N/A 2.0 ppb (2) 1.25 ppb (14) N/A 38.6 μg/m3 (108) 108.0
 
Jan. 10, 2019, 5 p.m. N/A N/A N/A 49.0 ppb (45) N/A N/A 2.0 ppb (2) 1.25 ppb (14) N/A 30.8 μg/m3 (90) 90.0
 
Jan. 10, 2019, 4 p.m. N/A N/A N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 1.08 ppb (12) N/A 22.9 μg/m3 (73) 73.0
 
Jan. 10, 2019, 3 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.72 ppb (8) N/A 15.8 μg/m3 (58) 58.0
 
Jan. 10, 2019, 2 p.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.63 ppb (7) N/A 16.5 μg/m3 (60) 60.0
 
Jan. 10, 2019, 1 p.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.54 ppb (6) N/A 16.1 μg/m3 (59) 59.0
 
Jan. 10, 2019, noon N/A N/A N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.41 ppb (5) N/A 12.7 μg/m3 (51) 51.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.46 ppb (5) N/A 11.9 μg/m3 (50) 50.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.39 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.37 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.35 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.34 ppb (4) N/A 7.2 μg/m3 (30) 30.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) 0.32 ppb (4) N/A 4.6 μg/m3 (19) 22.0
 
Jan. 10, 2019, 4 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 16.0
 
Jan. 10, 2019, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 ppb (3) 0.29 ppb (3) N/A 4.2 μg/m3 (18) 19.0
 
Jan. 10, 2019, 1 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 5.4 μg/m3 (23) 23.0
 
Jan. 10, 2019, midnight N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.36 ppb (4) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 9, 2019, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) 0.32 ppb (4) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 9, 2019, 10 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 8.0 ppb (6) 0.35 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 9, 2019, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) 0.35 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Jan. 9, 2019, 8 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 11.0 ppb (8) 0.35 ppb (4) N/A 9.4 μg/m3 (39) 39.0
 
Jan. 9, 2019, 7 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 7.0 ppb (5) 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 9, 2019, 6 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 3.0 ppb (2) 0.46 ppb (5) N/A 8.6 μg/m3 (36) 36.0
 
Jan. 9, 2019, 5 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.44 ppb (5) N/A 13.5 μg/m3 (53) 53.0
 
Jan. 9, 2019, 4 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.34 ppb (4) N/A 8.5 μg/m3 (35) 35.0
 
Jan. 9, 2019, 3 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.37 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 9, 2019, 2 p.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 0.39 ppb (4) N/A 6.4 μg/m3 (27) 28.0