ID: 1297

AQSQID: 000090121

Site Name: Edmonton East

Added: April 21, 2020, 6:24 p.m.

Updated: June 3, 2020, 4:33 p.m.

Location: Sherwood Park (17 St), CC

Reporting: True, Located: True

Current AQI: 20.0

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
May 27, 2020, 10 a.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
 
May 27, 2020, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 2.6 μg/m3 (11) 18.0
 
May 27, 2020, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
May 27, 2020, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) N/A 16.8 μg/m3 (60) 60.0
 
May 27, 2020, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) N/A 14.4 μg/m3 (55) 55.0
 
May 27, 2020, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) 0.3 ppb (3) N/A 3.5 μg/m3 (15) 25.0
 
May 27, 2020, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A 3.5 μg/m3 (15) 25.0
 
May 27, 2020, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A 4.7 μg/m3 (20) 27.0
 
May 27, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) N/A 3.4 μg/m3 (14) 30.0
 
May 27, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) N/A 3.2 μg/m3 (13) 29.0
 
May 27, 2020, midnight N/A N/A N/A 5.0 ppb (5) N/A 4.0 ppb (6) 36.0 ppb (28) 0.3 ppb (3) N/A 4.7 μg/m3 (20) 28.0
 
May 26, 2020, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) N/A 3.4 μg/m3 (14) 32.0
 
May 26, 2020, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 7.0 ppb (10) 36.0 ppb (28) 0.3 ppb (3) N/A 3.6 μg/m3 (15) 28.0
 
May 26, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (4) 38.0 ppb (29) 0.3 ppb (3) N/A 3.4 μg/m3 (14) 29.0
 
May 26, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.3 ppb (3) N/A 2.6 μg/m3 (11) 32.0
 
May 26, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) N/A 2.5 μg/m3 (10) 33.0
 
May 26, 2020, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) N/A 2.9 μg/m3 (12) 32.0
 
May 26, 2020, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A 4.0 ppb (6) 37.0 ppb (28) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 28.0
 
May 26, 2020, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.4 ppb (4) N/A 2.6 μg/m3 (11) 32.0
 
May 26, 2020, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.3 ppb (3) N/A 2.3 μg/m3 (10) 35.0
 
May 26, 2020, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) N/A 2.6 μg/m3 (11) 29.0
 
May 26, 2020, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) N/A 2.4 μg/m3 (10) 24.0
 
May 26, 2020, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 18.0
 
May 26, 2020, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 15.0
 
May 26, 2020, 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
 
May 26, 2020, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 1.7 μg/m3 (7) 18.0
 
May 26, 2020, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) 0.3 ppb (3) N/A 1.9 μg/m3 (8) 18.0
 
May 26, 2020, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) N/A 2.2 μg/m3 (9) 22.0
 
May 26, 2020, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.4 ppb (4) N/A 4.2 μg/m3 (18) 20.0
 
May 26, 2020, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.4 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
May 26, 2020, 4 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 22.0 ppb (17) 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 26, 2020, 3 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 4.8 μg/m3 (20) 25.0
 
May 26, 2020, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) N/A 4.3 μg/m3 (18) 28.0
 
May 26, 2020, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 40.0 ppb (31) 0.3 ppb (3) N/A 3.4 μg/m3 (14) 31.0
 
May 26, 2020, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 43.0 ppb (33) 0.3 ppb (3) N/A 3.6 μg/m3 (15) 33.0
 
May 25, 2020, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 40.0 ppb (31) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 31.0
 
May 25, 2020, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (4) 38.0 ppb (29) 0.3 ppb (3) N/A 4.9 μg/m3 (20) 29.0
 
May 25, 2020, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 9.0 ppb (13) 36.0 ppb (28) 0.3 ppb (3) N/A 5.1 μg/m3 (21) 28.0
 
May 25, 2020, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
May 25, 2020, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A 5.6 μg/m3 (23) 25.0
 
May 25, 2020, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 31.0 ppb (24) 0.4 ppb (4) N/A 4.3 μg/m3 (18) 24.0
 
May 25, 2020, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 22.0 ppb (17) 0.4 ppb (4) N/A 5.6 μg/m3 (23) 23.0
 
May 25, 2020, 4 p.m. N/A N/A N/A 19.0 ppb (18) N/A 5.0 ppb (7) 18.0 ppb (14) 0.4 ppb (4) N/A 8.9 μg/m3 (37) 37.0
 
May 25, 2020, 3 p.m. N/A N/A N/A 17.0 ppb (16) N/A 7.0 ppb (10) 23.0 ppb (18) 0.4 ppb (4) N/A 7.7 μg/m3 (32) 32.0
 
May 25, 2020, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 16.0 ppb (12) 0.5 ppb (6) N/A 11.9 μg/m3 (50) 50.0
 
May 25, 2020, 1 p.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 7.0 ppb (5) 0.4 ppb (4) N/A 9.2 μg/m3 (38) 38.0
 
May 25, 2020, noon N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 5.0 ppb (4) 0.5 ppb (6) N/A 7.7 μg/m3 (32) 32.0
 
May 25, 2020, 11 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 6.0 ppb (5) 0.5 ppb (6) N/A 8.9 μg/m3 (37) 37.0
 
May 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
May 25, 2020, 9 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 10.0 ppb (8) 0.4 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
May 25, 2020, 8 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 12.0 ppb (9) 0.5 ppb (6) N/A 10.1 μg/m3 (42) 42.0
 
May 25, 2020, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (8) 0.5 ppb (6) N/A 13.1 μg/m3 (52) 52.0
 
May 25, 2020, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
May 25, 2020, 4 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A 8.9 μg/m3 (37) 37.0
 
May 25, 2020, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
May 25, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) N/A 3.5 μg/m3 (15) 28.0
 
May 25, 2020, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) N/A 2.8 μg/m3 (12) 29.0
 
May 25, 2020, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 38.0 ppb (29) 0.3 ppb (3) N/A 2.4 μg/m3 (10) 29.0
 
May 24, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) N/A 2.3 μg/m3 (10) 29.0
 
May 24, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 39.0 ppb (30) 0.3 ppb (3) N/A 2.8 μg/m3 (12) 30.0
 
May 24, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 10.0 ppb (14) 38.0 ppb (29) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 29.0
 
May 24, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 9.0 ppb (13) 36.0 ppb (28) 0.3 ppb (3) N/A 2.8 μg/m3 (12) 28.0
 
May 24, 2020, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 36.0 ppb (28) 0.3 ppb (3) N/A 3.1 μg/m3 (13) 28.0
 
May 24, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) N/A 2.9 μg/m3 (12) 28.0
 
May 24, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A 3.9 μg/m3 (16) 25.0
 
May 24, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 4.0 ppb (6) 25.0 ppb (19) 0.4 ppb (4) N/A 5.5 μg/m3 (23) 23.0
 
May 24, 2020, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 4.0 ppb (6) 21.0 ppb (16) 0.4 ppb (4) N/A 7.3 μg/m3 (30) 30.0
 
May 24, 2020, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A 7.7 μg/m3 (32) 32.0
 
May 24, 2020, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
May 24, 2020, noon N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (11) 0.4 ppb (4) N/A 7.5 μg/m3 (31) 31.0
 
May 24, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.4 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
May 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
May 24, 2020, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) N/A 6.8 μg/m3 (28) 28.0
 
May 24, 2020, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) N/A 9.4 μg/m3 (39) 39.0
 
May 24, 2020, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
May 24, 2020, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 17.0 ppb (13) 0.4 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
May 24, 2020, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
May 24, 2020, 4 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 12.3 μg/m3 (51) 51.0
 
May 24, 2020, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
May 24, 2020, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A 4.7 μg/m3 (20) 22.0
 
May 24, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A 3.4 μg/m3 (14) 27.0
 
May 24, 2020, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 28.0
 
May 23, 2020, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) N/A 2.5 μg/m3 (10) 28.0
 
May 23, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) N/A 2.2 μg/m3 (9) 28.0
 
May 23, 2020, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) N/A 1.9 μg/m3 (8) 30.0
 
May 23, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A 1.4 μg/m3 (6) 27.0
 
May 23, 2020, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 24.0
 
May 23, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 18.0
 
May 23, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 17.0
 
May 23, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 17.0
 
May 23, 2020, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 17.0
 
May 23, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 15.0
 
May 23, 2020, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 12.0
 
May 23, 2020, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 10.0
 
May 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
May 23, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 13.0
 
May 23, 2020, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 12.0
 
May 23, 2020, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 12.0
 
May 23, 2020, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 10.0
 
May 23, 2020, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 11.0
 
May 23, 2020, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 11.0
 
May 23, 2020, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 11.0
 
May 23, 2020, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 12.0
 
May 23, 2020, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 13.0
 
May 23, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 12.0
 
May 22, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 15.0
 
May 22, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) N/A 1.3 μg/m3 (5) 15.0
 
May 22, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) N/A 1.5 μg/m3 (6) 15.0
 
May 22, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) 0.3 ppb (3) N/A 1.7 μg/m3 (7) 15.0
 
May 22, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) 0.3 ppb (3) N/A 1.4 μg/m3 (6) 15.0
 
May 22, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 14.0
 
May 22, 2020, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 13.0
 
May 22, 2020, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 13.0
 
May 22, 2020, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 12.0
 
May 22, 2020, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 12.0
 
May 22, 2020, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 12.0
 
May 22, 2020, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 13.0
 
May 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
May 22, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) N/A 1.5 μg/m3 (6) 11.0
 
May 22, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) N/A 1.7 μg/m3 (7) 11.0
 
May 22, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) N/A 1.9 μg/m3 (8) 11.0
 
May 22, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) N/A 2.4 μg/m3 (10) 12.0
 
May 22, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) N/A 2.2 μg/m3 (9) 11.0
 
May 22, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.3 ppb (3) N/A 2.1 μg/m3 (9) 9.0
 
May 22, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.3 ppb (3) N/A 1.5 μg/m3 (6) 9.0
 
May 22, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) N/A 1.3 μg/m3 (5) 11.0
 
May 22, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 12.0
 
May 22, 2020, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 12.0
 
May 21, 2020, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 12.0
 
May 21, 2020, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 15.0 ppb (12) 0.3 ppb (3) N/A 2.8 μg/m3 (12) 12.0
 
May 21, 2020, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 14.0 ppb (11) 0.3 ppb (3) N/A 3.8 μg/m3 (16) 16.0
 
May 21, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 4.0 ppb (6) 13.0 ppb (10) 0.3 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
May 21, 2020, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) 13.0 ppb (10) 0.3 ppb (3) N/A 4.6 μg/m3 (19) 19.0
 
May 21, 2020, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A 5.0 ppb (7) 14.0 ppb (11) 0.3 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
May 21, 2020, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 14.0 ppb (11) 0.3 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
May 21, 2020, 4 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) N/A 2.9 μg/m3 (12) 12.0
 
May 21, 2020, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) 16.0 ppb (12) 0.3 ppb (3) N/A 3.7 μg/m3 (15) 15.0
 
May 21, 2020, 2 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 14.0 ppb (11) 0.3 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
May 21, 2020, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (4) 19.0 ppb (15) 0.3 ppb (3) N/A 4.1 μg/m3 (17) 17.0
 
May 21, 2020, noon N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 19.0 ppb (15) 0.3 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
May 21, 2020, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 20.0 ppb (15) 0.3 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
May 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
May 21, 2020, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) 0.3 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
May 21, 2020, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 19.0 ppb (15) 0.3 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
May 21, 2020, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) 20.0 ppb (15) 0.3 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
May 21, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) N/A 2.6 μg/m3 (11) 24.0
 
May 21, 2020, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A 3.6 μg/m3 (15) 21.0
 
May 21, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) N/A 4.4 μg/m3 (18) 20.0
 
May 21, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
May 21, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A 3.6 μg/m3 (15) 22.0
 
May 21, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) N/A 3.2 μg/m3 (13) 25.0
 
May 21, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A 3.4 μg/m3 (14) 25.0
 
May 20, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) N/A 4.1 μg/m3 (17) 26.0
 
May 20, 2020, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A 3.9 μg/m3 (16) 25.0
 
May 20, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) N/A 3.7 μg/m3 (15) 25.0
 
May 20, 2020, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A 4.3 μg/m3 (18) 22.0
 
May 20, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) N/A 4.3 μg/m3 (18) 23.0
 
May 20, 2020, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) N/A 3.5 μg/m3 (15) 23.0
 
May 20, 2020, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A 3.4 μg/m3 (14) 22.0
 
May 20, 2020, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 21.0
 
May 20, 2020, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
May 20, 2020, 2 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) 0.3 ppb (3) N/A 3.3 μg/m3 (14) 15.0
 
May 20, 2020, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 19.0 ppb (15) 0.3 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
May 20, 2020, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
May 20, 2020, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
May 20, 2020, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A 4.2 μg/m3 (18) 21.0
 
May 20, 2020, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) N/A 4.1 μg/m3 (17) 22.0