AQSQID: 000090601

Site Name: Fort Saskatchewan

Location: Fort Saskatchewan (93 St), CC

Reporting: True, Located: True

Current AQI: 30.0

Fort Saskatchewan (93 St) CC, CA: 53.6989, -113.2233

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 8.7 μg/m3 (36) 36.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 11.6 μg/m3 (48) 48.0
 
Jan. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 15.5 μg/m3 (57) 57.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 23.7 μg/m3 (75) 75.0
 
Jan. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 24.6 μg/m3 (77) 77.0
 
Jan. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 26.4 μg/m3 (81) 81.0
 
Jan. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 26.8 μg/m3 (81) 81.0
 
Jan. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 26.5 μg/m3 (81) 81.0
 
Jan. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 22.5 μg/m3 (72) 72.0
 
Jan. 23, 2020, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 21.6 μg/m3 (70) 70.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 22.2 μg/m3 (72) 72.0
 
Jan. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.2 μg/m3 (74) 74.0
 
Jan. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.4 μg/m3 (76) 76.0
 
Jan. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.4 μg/m3 (74) 74.0
 
Jan. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 26.1 μg/m3 (80) 80.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.3 μg/m3 (74) 74.0
 
Jan. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 24.8 μg/m3 (77) 77.0
 
Jan. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 μg/m3 (73) 73.0
 
Jan. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 21.1 μg/m3 (69) 69.0
 
Jan. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 4.4 μg/m3 (18) 18.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.0 μg/m3 (12) 16.0
 
Jan. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 9.4 μg/m3 (39) 39.0
 
Jan. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 12.5 μg/m3 (51) 51.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 11.5 μg/m3 (48) 48.0
 
Jan. 22, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 9.6 μg/m3 (40) 40.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 10.4 μg/m3 (43) 43.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 12.1 μg/m3 (50) 50.0
 
Jan. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 13.2 μg/m3 (53) 53.0
 
Jan. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 18.0 μg/m3 (63) 63.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 20.8 μg/m3 (69) 69.0
 
Jan. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 19.4 μg/m3 (66) 66.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 17.8 μg/m3 (62) 62.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 15.5 μg/m3 (57) 57.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 12.8 μg/m3 (52) 52.0
 
Jan. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 15.3 μg/m3 (57) 57.0
 
Jan. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 16.3 μg/m3 (59) 59.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 16.1 μg/m3 (59) 59.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 14.9 μg/m3 (56) 56.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 15.5 μg/m3 (57) 57.0
 
Jan. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 16.5 μg/m3 (60) 60.0
 
Jan. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 18.2 μg/m3 (63) 63.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 18.4 μg/m3 (64) 64.0
 
Jan. 21, 2020, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 19.7 μg/m3 (66) 66.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.7 μg/m3 (75) 75.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.5 μg/m3 (77) 77.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 24.9 μg/m3 (77) 77.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 27.3 μg/m3 (83) 83.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 27.8 μg/m3 (84) 84.0
 
Jan. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 25.9 μg/m3 (80) 80.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 25.7 μg/m3 (79) 79.0
 
Jan. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.6 μg/m3 (75) 75.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 22.9 μg/m3 (73) 73.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 21.5 μg/m3 (70) 70.0
 
Jan. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 20.1 μg/m3 (67) 67.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 18.3 μg/m3 (63) 63.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 18.5 μg/m3 (64) 64.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 16.7 μg/m3 (60) 60.0
 
Jan. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 14.8 μg/m3 (56) 56.0
 
Jan. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 15.4 μg/m3 (57) 57.0
 
Jan. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 14.5 μg/m3 (55) 55.0
 
Jan. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 14.7 μg/m3 (56) 56.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 13.4 μg/m3 (53) 53.0
 
Jan. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 12.6 μg/m3 (51) 51.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 12.1 μg/m3 (50) 50.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 11.3 μg/m3 (47) 47.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 10.4 μg/m3 (43) 43.0
 
Jan. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 8.7 μg/m3 (36) 36.0
 
Jan. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 8.4 μg/m3 (35) 35.0
 
Jan. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 10.1 μg/m3 (42) 42.0
 
Jan. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 19, 2020, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 11.5 μg/m3 (48) 48.0
 
Jan. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.7 μg/m3 (49) 49.0
 
Jan. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 11.3 μg/m3 (47) 47.0
 
Jan. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 13.1 μg/m3 (52) 52.0
 
Jan. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 14.3 μg/m3 (55) 55.0
 
Jan. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 16.8 μg/m3 (60) 60.0
 
Jan. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 20.4 μg/m3 (68) 68.0
 
Jan. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 19.7 μg/m3 (66) 66.0
 
Jan. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 13.3 μg/m3 (53) 53.0
 
Jan. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 18, 2020, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 8.4 μg/m3 (35) 35.0
 
Jan. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 8.7 μg/m3 (36) 36.0
 
Jan. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.2 μg/m3 (30) 30.0
 
Jan. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.2 μg/m3 (30) 30.0
 
Jan. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 6.3 μg/m3 (26) 26.0
 
Jan. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.6 μg/m3 (23) 23.0
 
Jan. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.2 μg/m3 (22) 22.0
 
Jan. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 5.2 μg/m3 (22) 22.0
 
Jan. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.4 μg/m3 (23) 23.0
 
Jan. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 17, 2020, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 8.0 μg/m3 (33) 33.0