AQSQID: 000090120

Site Name: Edmonton South

Location: Edmonton (Wanyandi Rd NW), CC

Reporting: True, Located: True

Current AQI: 42.0

Edmonton (Wanyandi Rd NW) CC, CA: 53.5028, -113.6111

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 19, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A 4.9 μg/m3 (20) 42.0
 
March 19, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) N/A 3.9 μg/m3 (16) 41.0
 
March 19, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) N/A 4.5 μg/m3 (19) 38.0
 
March 19, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) N/A 4.3 μg/m3 (18) 36.0
 
March 19, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A 4.3 μg/m3 (18) 35.0
 
March 19, 2019, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A 5.9 μg/m3 (25) 32.0
 
March 19, 2019, 3 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A 6.5 μg/m3 (27) 30.0
 
March 19, 2019, 2 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) N/A 5.5 μg/m3 (23) 28.0
 
March 19, 2019, 1 p.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 35.0 ppb (27) 0.3 ppb (3) N/A 5.5 μg/m3 (23) 27.0
 
March 19, 2019, noon N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) N/A 5.7 μg/m3 (24) 28.0
 
March 19, 2019, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) N/A 6.3 μg/m3 (26) 27.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
March 19, 2019, 9 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
March 19, 2019, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) N/A 9.5 μg/m3 (40) 40.0
 
March 19, 2019, 7 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) N/A 9.7 μg/m3 (40) 40.0
 
March 19, 2019, 6 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) N/A 10.1 μg/m3 (42) 42.0
 
March 19, 2019, 5 a.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) N/A 11.4 μg/m3 (48) 48.0
 
March 19, 2019, 4 a.m. N/A N/A N/A 34.0 ppb (31) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) N/A 12.5 μg/m3 (51) 51.0
 
March 19, 2019, 3 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 34.0 ppb (26) 0.3 ppb (3) N/A 9.9 μg/m3 (41) 41.0
 
March 19, 2019, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 41.0 ppb (32) 0.2 ppb (2) N/A 9.3 μg/m3 (39) 39.0
 
March 19, 2019, 1 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 43.0 ppb (33) 0.2 ppb (2) N/A 7.7 μg/m3 (32) 33.0
 
March 19, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 56.0 ppb (43) 0.1 ppb (1) N/A 4.5 μg/m3 (19) 43.0
 
March 18, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 45.0
 
March 18, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) N/A 2.7 μg/m3 (11) 44.0
 
March 18, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (42) 0.2 ppb (2) N/A 2.9 μg/m3 (12) 42.0
 
March 18, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 40.0
 
March 18, 2019, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 38.0
 
March 18, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A 3.4 μg/m3 (14) 35.0
 
March 18, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A 3.4 μg/m3 (14) 33.0
 
March 18, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) N/A 3.9 μg/m3 (16) 32.0
 
March 18, 2019, 3 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) N/A 4.7 μg/m3 (20) 26.0
 
March 18, 2019, 2 p.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 5.1 μg/m3 (21) 25.0
 
March 18, 2019, 1 p.m. N/A N/A N/A 44.0 ppb (41) N/A 0.0 ppb (0) 6.0 ppb (5) 0.3 ppb (3) N/A 5.5 μg/m3 (23) 41.0
 
March 18, 2019, noon N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) N/A 4.6 μg/m3 (19) 25.0
 
March 18, 2019, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A 3.6 μg/m3 (15) 31.0
 
March 18, 2019, 10 a.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
 
March 18, 2019, 9 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) N/A 4.5 μg/m3 (19) 28.0
 
March 18, 2019, 8 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A 4.4 μg/m3 (18) 30.0
 
March 18, 2019, 7 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) N/A 6.3 μg/m3 (26) 26.0
 
March 18, 2019, 6 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
March 18, 2019, 5 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) N/A 7.8 μg/m3 (32) 32.0
 
March 18, 2019, 4 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 39.0 ppb (30) 0.2 ppb (2) N/A 7.2 μg/m3 (30) 30.0
 
March 18, 2019, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 42.0 ppb (32) 0.2 ppb (2) N/A 6.8 μg/m3 (28) 32.0
 
March 18, 2019, 2 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A 6.3 μg/m3 (26) 32.0
 
March 18, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A 5.1 μg/m3 (21) 37.0
 
March 18, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (41) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 41.0
 
March 17, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) N/A 2.5 μg/m3 (10) 42.0
 
March 17, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (43) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 43.0
 
March 17, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) N/A 1.9 μg/m3 (8) 43.0
 
March 17, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) N/A 2.4 μg/m3 (10) 42.0
 
March 17, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 51.0 ppb (39) 0.1 ppb (1) N/A 2.6 μg/m3 (11) 39.0
 
March 17, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 48.0 ppb (37) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 37.0
 
March 17, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 47.0 ppb (36) 0.2 ppb (2) N/A 3.3 μg/m3 (14) 36.0
 
March 17, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 44.0 ppb (34) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 34.0
 
March 17, 2019, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
March 17, 2019, 2 p.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
March 17, 2019, 1 p.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
March 17, 2019, noon N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
March 17, 2019, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.7 μg/m3 (73) 73.0
 
March 17, 2019, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) N/A 7.7 μg/m3 (32) 32.0
 
March 17, 2019, 8 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
March 17, 2019, 7 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
March 17, 2019, 6 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 40.0 ppb (31) 0.2 ppb (2) N/A 6.2 μg/m3 (26) 31.0
 
March 17, 2019, 5 a.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 37.0 ppb (28) 0.2 ppb (2) N/A 8.2 μg/m3 (34) 34.0
 
March 17, 2019, 4 a.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 25.0 ppb (19) 0.3 ppb (3) N/A 10.4 μg/m3 (43) 43.0
 
March 17, 2019, 3 a.m. N/A N/A N/A 31.0 ppb (29) N/A 2.0 ppb (3) 20.0 ppb (15) 0.3 ppb (3) N/A 12.7 μg/m3 (51) 51.0
 
March 17, 2019, 2 a.m. N/A N/A N/A 22.0 ppb (20) N/A 2.0 ppb (3) 30.0 ppb (23) 0.3 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
March 17, 2019, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 43.0 ppb (33) 0.2 ppb (2) N/A 6.2 μg/m3 (26) 33.0
 
March 17, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 41.0
 
March 16, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 42.0
 
March 16, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) N/A 2.3 μg/m3 (10) 41.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A 2.6 μg/m3 (11) 40.0
 
March 16, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) N/A 2.8 μg/m3 (12) 39.0
 
March 16, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 37.0
 
March 16, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) N/A 3.6 μg/m3 (15) 36.0
 
March 16, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 42.0 ppb (32) 0.2 ppb (2) N/A 4.7 μg/m3 (20) 32.0
 
March 16, 2019, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) N/A 4.9 μg/m3 (20) 28.0
 
March 16, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) N/A 5.4 μg/m3 (23) 24.0
 
March 16, 2019, 2 p.m. N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 26.0
 
March 16, 2019, 1 p.m. N/A N/A N/A 33.0 ppb (31) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) N/A 4.9 μg/m3 (20) 31.0
 
March 16, 2019, noon N/A N/A N/A 33.0 ppb (31) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) N/A 4.7 μg/m3 (20) 31.0
 
March 16, 2019, 11 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) N/A 5.3 μg/m3 (22) 30.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (21) 21.0
 
March 16, 2019, 9 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 20.0 ppb (15) 0.2 ppb (2) N/A 4.5 μg/m3 (19) 21.0
 
March 16, 2019, 8 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
March 16, 2019, 7 a.m. N/A N/A N/A 39.0 ppb (36) N/A 0.0 ppb (0) 8.0 ppb (6) 0.3 ppb (3) N/A 8.2 μg/m3 (34) 36.0
 
March 16, 2019, 6 a.m. N/A N/A N/A 36.0 ppb (33) N/A 0.0 ppb (0) 11.0 ppb (8) 0.3 ppb (3) N/A 7.5 μg/m3 (31) 33.0
 
March 16, 2019, 5 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
March 16, 2019, 4 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
March 16, 2019, 3 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) N/A 9.9 μg/m3 (41) 41.0
 
March 16, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
March 16, 2019, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A 5.3 μg/m3 (22) 35.0
 
March 16, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 38.0
 
March 15, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 40.0
 
March 15, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 39.0
 
March 15, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 40.0
 
March 15, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 39.0
 
March 15, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 38.0
 
March 15, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 38.0
 
March 15, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 36.0
 
March 15, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 35.0
 
March 15, 2019, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) N/A 6.7 μg/m3 (28) 35.0
 
March 15, 2019, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) N/A 5.5 μg/m3 (23) 35.0
 
March 15, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A 6.8 μg/m3 (28) 37.0
 
March 15, 2019, noon N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) N/A 5.8 μg/m3 (24) 35.0
 
March 15, 2019, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 37.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
March 15, 2019, 9 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) N/A 11.3 μg/m3 (47) 47.0
 
March 15, 2019, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) N/A 9.6 μg/m3 (40) 40.0
 
March 15, 2019, 7 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
March 15, 2019, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A 4.9 μg/m3 (20) 30.0
 
March 15, 2019, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) N/A 4.9 μg/m3 (20) 33.0
 
March 15, 2019, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A 6.1 μg/m3 (25) 32.0
 
March 15, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 41.0 ppb (32) 0.2 ppb (2) N/A 10.3 μg/m3 (43) 43.0
 
March 15, 2019, 2 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A 14.3 μg/m3 (55) 55.0
 
March 15, 2019, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A 9.8 μg/m3 (41) 41.0
 
March 15, 2019, midnight N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 46.0 ppb (35) 0.2 ppb (2) N/A 5.5 μg/m3 (23) 35.0
 
March 14, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 48.0 ppb (37) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 37.0
 
March 14, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) 44.0 ppb (34) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 34.0
 
March 14, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 5.0 ppb (7) 44.0 ppb (34) 0.2 ppb (2) N/A 2.3 μg/m3 (10) 34.0
 
March 14, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 45.0 ppb (35) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 35.0
 
March 14, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A 2.1 μg/m3 (9) 33.0
 
March 14, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A 2.8 μg/m3 (12) 31.0
 
March 14, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) N/A 3.5 μg/m3 (15) 28.0
 
March 14, 2019, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 26.0
 
March 14, 2019, 3 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) N/A 4.6 μg/m3 (19) 22.0
 
March 14, 2019, 2 p.m. N/A N/A N/A 45.0 ppb (42) N/A 0.0 ppb (0) 9.0 ppb (7) 0.4 ppb (4) N/A 7.2 μg/m3 (30) 42.0
 
March 14, 2019, 1 p.m. N/A N/A N/A 46.0 ppb (43) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 6.3 μg/m3 (26) 43.0
 
March 14, 2019, noon N/A N/A N/A 31.0 ppb (29) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 29.0
 
March 14, 2019, 11 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) N/A 1.8 μg/m3 (8) 23.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
March 14, 2019, 9 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) N/A 2.1 μg/m3 (9) 20.0
 
March 14, 2019, 8 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A 2.3 μg/m3 (10) 25.0
 
March 14, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A 2.2 μg/m3 (9) 32.0
 
March 14, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) N/A 2.1 μg/m3 (9) 33.0
 
March 14, 2019, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) N/A 2.8 μg/m3 (12) 32.0
 
March 14, 2019, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A 4.3 μg/m3 (18) 30.0
 
March 14, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 32.0
 
March 14, 2019, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 32.0
 
March 14, 2019, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) 40.0 ppb (31) 0.1 ppb (1) N/A 2.5 μg/m3 (10) 31.0
 
March 14, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 43.0 ppb (33) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 33.0
 
March 13, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) 0.1 ppb (1) N/A 1.3 μg/m3 (5) 35.0
 
March 13, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) N/A 1.2 μg/m3 (5) 35.0
 
March 13, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 44.0 ppb (34) 0.2 ppb (2) N/A 1.4 μg/m3 (6) 34.0
 
March 13, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) N/A 1.5 μg/m3 (6) 34.0
 
March 13, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) N/A 2.1 μg/m3 (9) 32.0
 
March 13, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A 2.4 μg/m3 (10) 32.0
 
March 13, 2019, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 28.0
 
March 13, 2019, 4 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 28.0
 
March 13, 2019, 3 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 25.0
 
March 13, 2019, 2 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) N/A 3.6 μg/m3 (15) 19.0
 
March 13, 2019, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 18.0
 
March 13, 2019, noon N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 2.6 μg/m3 (11) 22.0
 
March 13, 2019, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 1.6 μg/m3 (7) 27.0
 
March 13, 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
 
March 13, 2019, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) N/A 0.5 μg/m3 (2) 29.0
 
March 13, 2019, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 0.8 μg/m3 (3) 26.0
 
March 13, 2019, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 1.1 μg/m3 (5) 25.0
 
March 13, 2019, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 1.7 μg/m3 (7) 26.0
 
March 13, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 1.7 μg/m3 (7) 26.0
 
March 13, 2019, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 1.8 μg/m3 (8) 27.0
 
March 13, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) N/A 2.3 μg/m3 (10) 24.0
 
March 13, 2019, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 1.8 μg/m3 (8) 25.0
 
March 13, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A 1.4 μg/m3 (6) 32.0
 
March 13, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) N/A 1.4 μg/m3 (6) 36.0
 
March 12, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A 1.4 μg/m3 (6) 37.0
 
March 12, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) N/A 1.4 μg/m3 (6) 38.0