AQSQID: 000090121

Site Name: Edmonton East

Location: Sherwood Park (17 St), CC

Reporting: True, Located: True

Current AQI: 29.0

Sherwood Park (17 St) CC, CA: 53.5472, -113.3681

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 17, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) N/A 1.8 μg/m3 (8) 23.0
 
Feb. 17, 2020, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.4 ppb (4) N/A 1.8 μg/m3 (8) 25.0
 
Feb. 17, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.4 ppb (4) N/A 2.0 μg/m3 (8) 25.0
 
Feb. 17, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 2.2 μg/m3 (9) 22.0
 
Feb. 17, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) N/A 2.0 μg/m3 (8) 23.0
 
Feb. 17, 2020, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) N/A 2.1 μg/m3 (9) 22.0
 
Feb. 17, 2020, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 2.5 μg/m3 (10) 21.0
 
Feb. 17, 2020, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 2.6 μg/m3 (11) 21.0
 
Feb. 17, 2020, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 2.4 μg/m3 (10) 21.0
 
Feb. 17, 2020, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 17, 2020, noon N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) 0.4 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
Feb. 17, 2020, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 22.0 ppb (17) 0.4 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
Feb. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
Feb. 17, 2020, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A 6.0 ppb (9) 19.0 ppb (15) 0.4 ppb (4) N/A 7.2 μg/m3 (30) 30.0
 
Feb. 17, 2020, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 17, 2020, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 3.3 μg/m3 (14) 21.0
 
Feb. 17, 2020, 6 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) N/A 2.5 μg/m3 (10) 15.0
 
Feb. 17, 2020, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.4 ppb (4) N/A 2.6 μg/m3 (11) 19.0
 
Feb. 17, 2020, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) 0.4 ppb (4) N/A 2.9 μg/m3 (12) 18.0
 
Feb. 17, 2020, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 3.2 μg/m3 (13) 15.0
 
Feb. 17, 2020, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (13) 0.4 ppb (4) N/A 3.8 μg/m3 (16) 16.0
 
Feb. 17, 2020, 1 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) N/A 4.2 μg/m3 (18) 18.0
 
Feb. 17, 2020, midnight N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 13.0 ppb (10) 0.4 ppb (4) N/A 4.4 μg/m3 (18) 25.0
 
Feb. 16, 2020, 11 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 23.0 ppb (18) 0.4 ppb (4) N/A 4.5 μg/m3 (19) 19.0
 
Feb. 16, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 26.0 ppb (20) 0.4 ppb (4) N/A 5.5 μg/m3 (23) 23.0
 
Feb. 16, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
Feb. 16, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) 0.4 ppb (4) N/A 8.4 μg/m3 (35) 35.0
 
Feb. 16, 2020, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) 0.4 ppb (4) N/A 8.7 μg/m3 (36) 36.0
 
Feb. 16, 2020, 6 p.m. N/A N/A N/A 13.0 ppb (12) N/A 2.0 ppb (3) 21.0 ppb (16) 0.4 ppb (4) N/A 15.7 μg/m3 (58) 58.0
 
Feb. 16, 2020, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 20.0 ppb (15) 0.4 ppb (4) N/A 17.6 μg/m3 (62) 62.0
 
Feb. 16, 2020, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 20.0 ppb (15) 0.5 ppb (6) N/A 15.8 μg/m3 (58) 58.0
 
Feb. 16, 2020, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 17.0 ppb (13) 0.5 ppb (6) N/A 10.5 μg/m3 (44) 44.0
 
Feb. 16, 2020, 2 p.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 15.0 ppb (12) 0.5 ppb (6) N/A 9.6 μg/m3 (40) 40.0
 
Feb. 16, 2020, 1 p.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 9.0 ppb (7) 0.5 ppb (6) N/A 13.5 μg/m3 (53) 53.0
 
Feb. 16, 2020, noon N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 4.0 ppb (3) 0.6 ppb (7) N/A 16.7 μg/m3 (60) 60.0
 
Feb. 16, 2020, 11 a.m. N/A N/A N/A 34.0 ppb (31) N/A 1.0 ppb (1) 3.0 ppb (2) 0.6 ppb (7) N/A 17.8 μg/m3 (62) 62.0
 
Feb. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (61) 61.0
 
Feb. 16, 2020, 9 a.m. N/A N/A N/A 30.0 ppb (28) N/A 1.0 ppb (1) 6.0 ppb (5) 0.6 ppb (7) N/A 18.2 μg/m3 (63) 63.0
 
Feb. 16, 2020, 8 a.m. N/A N/A N/A 34.0 ppb (31) N/A 1.0 ppb (1) 2.0 ppb (2) 0.7 ppb (8) N/A 21.9 μg/m3 (71) 71.0
 
Feb. 16, 2020, 7 a.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 3.0 ppb (2) 0.6 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
Feb. 16, 2020, 6 a.m. N/A N/A N/A 37.0 ppb (34) N/A 1.0 ppb (1) 1.0 ppb (1) 0.7 ppb (8) N/A 15.9 μg/m3 (58) 58.0
 
Feb. 16, 2020, 5 a.m. N/A N/A N/A 38.0 ppb (35) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) N/A 14.7 μg/m3 (56) 56.0
 
Feb. 16, 2020, 4 a.m. N/A N/A N/A 39.0 ppb (36) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) N/A 15.9 μg/m3 (58) 58.0
 
Feb. 16, 2020, 3 a.m. N/A N/A N/A 38.0 ppb (35) N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) N/A 13.4 μg/m3 (53) 53.0
 
Feb. 16, 2020, 2 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 10.0 ppb (8) 0.6 ppb (7) N/A 11.1 μg/m3 (46) 46.0
 
Feb. 16, 2020, 1 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 10.0 ppb (8) 0.5 ppb (6) N/A 10.4 μg/m3 (43) 43.0
 
Feb. 16, 2020, midnight N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 18.0 ppb (14) 0.5 ppb (6) N/A 8.2 μg/m3 (34) 34.0
 
Feb. 15, 2020, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) 0.4 ppb (4) N/A 8.2 μg/m3 (34) 34.0
 
Feb. 15, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (20) 0.4 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Feb. 15, 2020, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 9.4 μg/m3 (39) 39.0
 
Feb. 15, 2020, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Feb. 15, 2020, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 6.3 μg/m3 (26) 26.0
 
Feb. 15, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) N/A 4.8 μg/m3 (20) 23.0
 
Feb. 15, 2020, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) N/A 4.9 μg/m3 (20) 22.0
 
Feb. 15, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 4.9 μg/m3 (20) 21.0
 
Feb. 15, 2020, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 3.9 μg/m3 (16) 21.0
 
Feb. 15, 2020, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 3.5 μg/m3 (15) 21.0
 
Feb. 15, 2020, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 3.4 μg/m3 (14) 21.0
 
Feb. 15, 2020, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 3.2 μg/m3 (13) 22.0
 
Feb. 15, 2020, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 2.7 μg/m3 (11) 22.0
 
Feb. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
Feb. 15, 2020, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 3.6 μg/m3 (15) 21.0
 
Feb. 15, 2020, 8 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 18.0 ppb (14) 0.4 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
Feb. 15, 2020, 7 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A 4.6 μg/m3 (19) 19.0
 
Feb. 15, 2020, 6 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 17.0 ppb (13) 0.4 ppb (4) N/A 3.8 μg/m3 (16) 16.0
 
Feb. 15, 2020, 5 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) N/A 3.1 μg/m3 (13) 16.0
 
Feb. 15, 2020, 4 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 3.7 μg/m3 (15) 15.0
 
Feb. 15, 2020, 3 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 3.7 μg/m3 (15) 15.0
 
Feb. 15, 2020, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (13) 0.4 ppb (4) N/A 4.3 μg/m3 (18) 18.0
 
Feb. 15, 2020, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 3.7 μg/m3 (15) 15.0
 
Feb. 15, 2020, midnight N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) N/A 3.9 μg/m3 (16) 16.0
 
Feb. 14, 2020, 11 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) 0.4 ppb (4) N/A 3.5 μg/m3 (15) 17.0
 
Feb. 14, 2020, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.4 ppb (4) N/A 2.7 μg/m3 (11) 20.0
 
Feb. 14, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) N/A 2.6 μg/m3 (11) 22.0
 
Feb. 14, 2020, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 2.6 μg/m3 (11) 21.0
 
Feb. 14, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 2.3 μg/m3 (10) 21.0
 
Feb. 14, 2020, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) 0.4 ppb (4) N/A 2.3 μg/m3 (10) 18.0
 
Feb. 14, 2020, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.4 ppb (4) N/A 2.3 μg/m3 (10) 19.0
 
Feb. 14, 2020, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) 0.4 ppb (4) N/A 2.4 μg/m3 (10) 18.0
 
Feb. 14, 2020, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 15.0 ppb (12) 0.4 ppb (4) N/A 2.3 μg/m3 (10) 18.0
 
Feb. 14, 2020, 2 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) N/A 1.7 μg/m3 (7) 15.0
 
Feb. 14, 2020, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 1.1 μg/m3 (5) 21.0
 
Feb. 14, 2020, noon N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) 30.0 ppb (23) 0.4 ppb (4) N/A 0.7 μg/m3 (3) 23.0
 
Feb. 14, 2020, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.4 ppb (4) N/A 0.8 μg/m3 (3) 25.0
 
Feb. 14, 2020, 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
 
Feb. 14, 2020, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 1.8 μg/m3 (8) 22.0
 
Feb. 14, 2020, 8 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 14.0 ppb (11) 0.5 ppb (6) N/A 7.3 μg/m3 (30) 30.0
 
Feb. 14, 2020, 7 a.m. N/A N/A N/A 32.0 ppb (30) N/A 1.0 ppb (1) 2.0 ppb (2) 0.7 ppb (8) N/A 18.1 μg/m3 (63) 63.0
 
Feb. 14, 2020, 6 a.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 2.0 ppb (2) 0.6 ppb (7) N/A 20.7 μg/m3 (69) 69.0
 
Feb. 14, 2020, 5 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 2.0 ppb (2) 0.6 ppb (7) N/A 18.3 μg/m3 (63) 63.0
 
Feb. 14, 2020, 4 a.m. N/A N/A N/A 33.0 ppb (31) N/A 0.0 ppb (0) 2.0 ppb (2) 0.6 ppb (7) N/A 17.6 μg/m3 (62) 62.0
 
Feb. 14, 2020, 3 a.m. N/A N/A N/A 35.0 ppb (32) N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) N/A 15.8 μg/m3 (58) 58.0
 
Feb. 14, 2020, 2 a.m. N/A N/A N/A 36.0 ppb (33) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
Feb. 14, 2020, 1 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 5.0 ppb (4) 0.5 ppb (6) N/A 12.7 μg/m3 (51) 51.0
 
Feb. 14, 2020, midnight N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 7.0 ppb (5) 0.5 ppb (6) N/A 9.6 μg/m3 (40) 40.0
 
Feb. 13, 2020, 11 p.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 10.0 ppb (8) 0.5 ppb (6) N/A 8.2 μg/m3 (34) 34.0
 
Feb. 13, 2020, 10 p.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 15.0 ppb (12) 0.5 ppb (6) N/A 6.6 μg/m3 (28) 28.0
 
Feb. 13, 2020, 9 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A 4.4 μg/m3 (18) 18.0
 
Feb. 13, 2020, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 23.0 ppb (18) 0.4 ppb (4) N/A 3.2 μg/m3 (13) 18.0
 
Feb. 13, 2020, 7 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A 3.3 μg/m3 (14) 16.0
 
Feb. 13, 2020, 6 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 3.2 μg/m3 (13) 15.0
 
Feb. 13, 2020, 5 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 3.3 μg/m3 (14) 15.0
 
Feb. 13, 2020, 4 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 17.0 ppb (13) 0.4 ppb (4) N/A 3.1 μg/m3 (13) 16.0
 
Feb. 13, 2020, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 15.0 ppb (12) 0.4 ppb (4) N/A 3.7 μg/m3 (15) 18.0
 
Feb. 13, 2020, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 16.0 ppb (12) 0.4 ppb (4) N/A 4.7 μg/m3 (20) 20.0
 
Feb. 13, 2020, 1 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 15.0 ppb (12) 0.4 ppb (4) N/A 4.7 μg/m3 (20) 20.0
 
Feb. 13, 2020, noon N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 4.6 μg/m3 (19) 19.0
 
Feb. 13, 2020, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) N/A 5.4 μg/m3 (23) 23.0
 
Feb. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Feb. 13, 2020, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
Feb. 13, 2020, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) N/A 5.1 μg/m3 (21) 22.0
 
Feb. 13, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
Feb. 13, 2020, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) N/A 4.1 μg/m3 (17) 22.0
 
Feb. 13, 2020, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 3.7 μg/m3 (15) 22.0
 
Feb. 13, 2020, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 4.1 μg/m3 (17) 22.0
 
Feb. 13, 2020, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 3.6 μg/m3 (15) 22.0
 
Feb. 13, 2020, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) N/A 3.1 μg/m3 (13) 23.0
 
Feb. 13, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 3.5 μg/m3 (15) 22.0
 
Feb. 13, 2020, midnight N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 4.4 μg/m3 (18) 21.0
 
Feb. 12, 2020, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (19) 0.4 ppb (4) N/A 6.3 μg/m3 (26) 26.0
 
Feb. 12, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 26.0 ppb (20) 0.4 ppb (4) N/A 4.6 μg/m3 (19) 20.0
 
Feb. 12, 2020, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 25.0 ppb (19) 0.4 ppb (4) N/A 5.1 μg/m3 (21) 21.0
 
Feb. 12, 2020, 8 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 23.0 ppb (18) 0.4 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
Feb. 12, 2020, 7 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 23.0 ppb (18) 0.4 ppb (4) N/A 5.7 μg/m3 (24) 24.0
 
Feb. 12, 2020, 6 p.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 21.0 ppb (16) 0.4 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
Feb. 12, 2020, 5 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A 4.5 μg/m3 (19) 19.0
 
Feb. 12, 2020, 4 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
Feb. 12, 2020, 3 p.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 12.0 ppb (9) 0.4 ppb (4) N/A 5.5 μg/m3 (23) 23.0
 
Feb. 12, 2020, 2 p.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 11.0 ppb (8) 0.4 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
Feb. 12, 2020, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 21.0 ppb (16) 0.4 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
Feb. 12, 2020, noon N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 11.0 ppb (8) 0.4 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 12, 2020, 11 a.m. N/A N/A N/A 26.0 ppb (24) N/A 1.0 ppb (1) 9.0 ppb (7) 0.4 ppb (4) N/A 10.9 μg/m3 (45) 45.0
 
Feb. 12, 2020, 10 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
 
Feb. 12, 2020, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 22.0 ppb (17) 0.4 ppb (4) N/A 10.1 μg/m3 (42) 42.0
 
Feb. 12, 2020, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 26.0 ppb (20) 0.4 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
Feb. 12, 2020, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 25.0 ppb (19) 0.4 ppb (4) N/A 7.8 μg/m3 (32) 32.0
 
Feb. 12, 2020, 6 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 20.0 ppb (15) 0.4 ppb (4) N/A 7.8 μg/m3 (32) 32.0
 
Feb. 12, 2020, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 24.0 ppb (18) 0.4 ppb (4) N/A 4.9 μg/m3 (20) 20.0
 
Feb. 12, 2020, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 26.0 ppb (20) 0.4 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
Feb. 12, 2020, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A 2.8 μg/m3 (12) 21.0
 
Feb. 12, 2020, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 22.0 ppb (17) 0.4 ppb (4) N/A 2.0 μg/m3 (8) 17.0
 
Feb. 12, 2020, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 23.0 ppb (18) 0.4 ppb (4) N/A 1.6 μg/m3 (7) 18.0
 
Feb. 12, 2020, midnight N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 27.0 ppb (21) 0.4 ppb (4) N/A 2.2 μg/m3 (9) 21.0
 
Feb. 11, 2020, 11 p.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 29.0 ppb (22) 0.4 ppb (4) N/A 3.1 μg/m3 (13) 22.0
 
Feb. 11, 2020, 10 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 29.0 ppb (22) 0.4 ppb (4) N/A 3.1 μg/m3 (13) 22.0
 
Feb. 11, 2020, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 26.0 ppb (20) 0.4 ppb (4) N/A 7.7 μg/m3 (32) 32.0
 
Feb. 11, 2020, 8 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 24.0 ppb (18) 0.5 ppb (6) N/A 5.4 μg/m3 (23) 23.0
 
Feb. 11, 2020, 7 p.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 19.0 ppb (15) 0.5 ppb (6) N/A 10.5 μg/m3 (44) 44.0
 
Feb. 11, 2020, 6 p.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 20.0 ppb (15) 0.5 ppb (6) N/A 10.6 μg/m3 (44) 44.0
 
Feb. 11, 2020, 5 p.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 13.0 ppb (10) 0.6 ppb (7) N/A 14.5 μg/m3 (55) 55.0
 
Feb. 11, 2020, 4 p.m. N/A N/A N/A 44.0 ppb (41) N/A 1.0 ppb (1) 5.0 ppb (4) 0.7 ppb (8) N/A 21.0 μg/m3 (69) 69.0
 
Feb. 11, 2020, 3 p.m. N/A N/A N/A 42.0 ppb (39) N/A 0.0 ppb (0) 5.0 ppb (4) 0.6 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
Feb. 11, 2020, 2 p.m. N/A N/A N/A 35.0 ppb (32) N/A 0.0 ppb (0) 8.0 ppb (6) 0.5 ppb (6) N/A 8.1 μg/m3 (34) 34.0
 
Feb. 11, 2020, 1 p.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 10.0 ppb (8) 0.5 ppb (6) N/A 6.1 μg/m3 (25) 30.0
 
Feb. 11, 2020, noon N/A N/A N/A 26.0 ppb (24) N/A 1.0 ppb (1) 16.0 ppb (12) 0.5 ppb (6) N/A 4.8 μg/m3 (20) 24.0
 
Feb. 11, 2020, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A 4.6 μg/m3 (19) 19.0
 
Feb. 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
Feb. 11, 2020, 9 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) 22.0 ppb (17) 0.4 ppb (4) N/A 5.4 μg/m3 (23) 23.0
 
Feb. 11, 2020, 8 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 14.0 ppb (11) 0.5 ppb (6) N/A 6.8 μg/m3 (28) 28.0
 
Feb. 11, 2020, 7 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 14.0 ppb (11) 0.5 ppb (6) N/A 5.5 μg/m3 (23) 27.0
 
Feb. 11, 2020, 6 a.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) 18.0 ppb (14) 0.5 ppb (6) N/A 5.0 μg/m3 (21) 22.0
 
Feb. 11, 2020, 5 a.m. N/A N/A N/A 37.0 ppb (34) N/A 0.0 ppb (0) 8.0 ppb (6) 0.5 ppb (6) N/A 7.8 μg/m3 (32) 34.0
 
Feb. 11, 2020, 4 a.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 16.0 ppb (12) 0.5 ppb (6) N/A 7.1 μg/m3 (30) 30.0
 
Feb. 11, 2020, 3 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
Feb. 11, 2020, 2 a.m. N/A N/A N/A 37.0 ppb (34) N/A 0.0 ppb (0) 8.0 ppb (6) 0.5 ppb (6) N/A 6.8 μg/m3 (28) 34.0
 
Feb. 11, 2020, 1 a.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 11.0 ppb (8) 0.5 ppb (6) N/A 13.3 μg/m3 (53) 53.0
 
Feb. 11, 2020, midnight N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 17.0 ppb (13) 0.5 ppb (6) N/A 8.1 μg/m3 (34) 34.0
 
Feb. 10, 2020, 11 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 32.0 ppb (25) 0.4 ppb (4) N/A 8.4 μg/m3 (35) 35.0