ID: 1501

AQSQID: 000090120

Site Name: Edmonton South

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

Updated: May 14, 2021, 7:47 a.m.

Location: Edmonton (Lynnwood), CC

Reporting: True, Located: True

Current AQI: 32.0

Edmonton (Lynnwood) CC, CA: 53.5028, -113.6111

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 14, 2021, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) N/A 7.2 μg/m3 (31) 32.0
 
May 14, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.0 ppb (0) N/A 8.1 μg/m3 (34) 36.0
 
May 14, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 40.0
 
May 14, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) 0.0 ppb (0) N/A 5.1 μg/m3 (22) 44.0
 
May 14, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (43) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 43.0
 
May 14, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) 0.0 ppb (0) N/A 2.9 μg/m3 (13) 46.0
 
May 13, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.0 ppb (0) N/A 2.7 μg/m3 (12) 45.0
 
May 13, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 42.0
 
May 13, 2021, 9 p.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
 
May 13, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 ppb (0) N/A 1.8 μg/m3 (8) 8.0
 
May 13, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 ppb (0) N/A 1.2 μg/m3 (5) 5.0
 
May 13, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 ppb (0) N/A 1.2 μg/m3 (5) 5.0
 
May 13, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A N/A 45.0
 
May 13, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A N/A 41.0
 
May 13, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 1.5 μg/m3 (7) 37.0
 
May 13, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.6 ppb (7) N/A 4.5 μg/m3 (19) 24.0
 
May 13, 2021, 1 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 17.0 ppb (16) 0.7 ppb (8) N/A 4.8 μg/m3 (20) 20.0
 
May 13, 2021, noon N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 14.0 ppb (13) 0.6 ppb (7) N/A 3.7 μg/m3 (16) 16.0
 
May 13, 2021, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (20) 0.6 ppb (7) N/A 2.6 μg/m3 (11) 20.0
 
May 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
May 13, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.6 ppb (7) N/A 1.4 μg/m3 (6) 38.0
 
May 13, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.6 ppb (7) N/A 2.4 μg/m3 (10) 39.0
 
May 13, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.6 ppb (7) N/A 1.7 μg/m3 (8) 38.0
 
May 13, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.6 ppb (7) N/A 2.0 μg/m3 (9) 38.0
 
May 13, 2021, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.6 ppb (7) N/A 2.8 μg/m3 (12) 39.0
 
May 13, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (38) 0.6 ppb (7) N/A 2.8 μg/m3 (12) 38.0
 
May 13, 2021, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (39) 0.6 ppb (7) N/A 2.4 μg/m3 (10) 39.0
 
May 13, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (45) 0.6 ppb (7) N/A 1.7 μg/m3 (8) 45.0
 
May 13, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (47) 0.6 ppb (7) N/A 1.4 μg/m3 (6) 47.0
 
May 13, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (48) 0.6 ppb (7) N/A 1.2 μg/m3 (5) 48.0
 
May 12, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) 0.6 ppb (7) N/A 1.1 μg/m3 (5) 48.0
 
May 12, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) 0.6 ppb (7) N/A 1.1 μg/m3 (5) 47.0
 
May 12, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) 0.6 ppb (7) N/A 1.2 μg/m3 (5) 47.0
 
May 12, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) 0.6 ppb (7) N/A 1.2 μg/m3 (5) 47.0
 
May 12, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) 0.6 ppb (7) N/A 0.9 μg/m3 (4) 45.0
 
May 12, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) 0.6 ppb (7) N/A 0.8 μg/m3 (4) 44.0
 
May 12, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.6 ppb (7) N/A 0.8 μg/m3 (4) 43.0
 
May 12, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.6 ppb (7) N/A 1.1 μg/m3 (5) 41.0
 
May 12, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) 0.6 ppb (7) N/A 3.4 μg/m3 (15) 32.0
 
May 12, 2021, 2 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 22.0 ppb (21) 0.7 ppb (8) N/A 6.2 μg/m3 (26) 26.0
 
May 12, 2021, 1 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (16) 0.6 ppb (7) N/A 7.7 μg/m3 (33) 33.0
 
May 12, 2021, noon N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 9.0 ppb (9) 0.6 ppb (7) N/A 8.3 μg/m3 (35) 35.0
 
May 12, 2021, 11 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 12.0 ppb (12) 0.6 ppb (7) N/A 7.4 μg/m3 (31) 31.0
 
May 12, 2021, 10 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
 
May 12, 2021, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (21) 0.6 ppb (7) N/A 5.4 μg/m3 (23) 23.0
 
May 12, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (23) 0.6 ppb (7) N/A 4.7 μg/m3 (20) 23.0
 
May 12, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (24) 0.6 ppb (7) N/A 3.3 μg/m3 (14) 24.0
 
May 12, 2021, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (29) 0.6 ppb (7) N/A 2.8 μg/m3 (12) 29.0
 
May 12, 2021, 5 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 19.0 ppb (18) 0.7 ppb (8) N/A 5.3 μg/m3 (23) 23.0
 
May 12, 2021, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 11.0 ppb (11) 0.7 ppb (8) N/A 3.8 μg/m3 (16) 17.0
 
May 12, 2021, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (25) 0.6 ppb (7) N/A 2.5 μg/m3 (11) 25.0
 
May 12, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (36) 0.6 ppb (7) N/A 1.2 μg/m3 (5) 36.0
 
May 12, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.6 ppb (7) N/A 0.4 μg/m3 (2) 40.0
 
May 12, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 41.0 ppb (38) 0.6 ppb (7) N/A 1.2 μg/m3 (5) 38.0
 
May 11, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.6 ppb (7) N/A 1.8 μg/m3 (8) 37.0
 
May 11, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.6 ppb (7) N/A 0.6 μg/m3 (3) 41.0
 
May 11, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.6 ppb (7) N/A 0.9 μg/m3 (4) 39.0
 
May 11, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.6 ppb (7) N/A 0.6 μg/m3 (3) 41.0
 
May 11, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.6 ppb (7) N/A 0.6 μg/m3 (3) 41.0
 
May 11, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.6 ppb (7) N/A 0.7 μg/m3 (3) 40.0
 
May 11, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.6 ppb (7) N/A 0.9 μg/m3 (4) 38.0
 
May 11, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (33) 0.6 ppb (7) N/A 3.4 μg/m3 (15) 33.0
 
May 11, 2021, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) 0.6 ppb (7) N/A 8.4 μg/m3 (36) 36.0
 
May 11, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.6 ppb (7) N/A 7.5 μg/m3 (32) 32.0
 
May 11, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) 0.6 ppb (7) N/A 8.5 μg/m3 (36) 36.0
 
May 11, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.6 ppb (7) N/A 5.7 μg/m3 (24) 24.0
 
May 11, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (24) 0.5 ppb (6) N/A 1.0 μg/m3 (5) 24.0
 
May 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
May 11, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.6 ppb (7) N/A 1.3 μg/m3 (6) 28.0
 
May 11, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.6 ppb (7) N/A 1.6 μg/m3 (7) 31.0
 
May 11, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.6 ppb (7) N/A 2.8 μg/m3 (12) 29.0
 
May 11, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) 0.6 ppb (7) N/A 4.7 μg/m3 (20) 27.0
 
May 11, 2021, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (27) 0.6 ppb (7) N/A 3.7 μg/m3 (16) 27.0
 
May 11, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (33) 0.6 ppb (7) N/A 2.2 μg/m3 (10) 33.0
 
May 11, 2021, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (40) 0.6 ppb (7) N/A 1.2 μg/m3 (5) 40.0
 
May 11, 2021, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (41) 0.5 ppb (6) N/A 1.0 μg/m3 (5) 41.0
 
May 11, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (43) 0.5 ppb (6) N/A 1.1 μg/m3 (5) 43.0
 
May 11, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (47) 0.5 ppb (6) N/A 1.6 μg/m3 (7) 47.0
 
May 10, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (48) 0.5 ppb (6) N/A 1.5 μg/m3 (7) 48.0
 
May 10, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) 0.5 ppb (6) N/A 1.3 μg/m3 (6) 48.0
 
May 10, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) 0.5 ppb (6) N/A 2.8 μg/m3 (12) 46.0
 
May 10, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) 0.5 ppb (6) N/A 3.3 μg/m3 (14) 43.0
 
May 10, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.5 ppb (6) N/A 4.0 μg/m3 (17) 38.0
 
May 10, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.5 ppb (6) N/A 4.0 μg/m3 (17) 38.0
 
May 10, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.5 ppb (6) N/A 4.2 μg/m3 (18) 36.0
 
May 10, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.5 ppb (6) N/A 3.7 μg/m3 (16) 36.0
 
May 10, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.5 ppb (6) N/A 7.2 μg/m3 (31) 32.0
 
May 10, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.6 ppb (7) N/A 10.5 μg/m3 (44) 44.0
 
May 10, 2021, 1 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (25) 0.6 ppb (7) N/A 11.6 μg/m3 (49) 49.0
 
May 10, 2021, noon N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (20) 0.6 ppb (7) N/A 15.3 μg/m3 (58) 58.0
 
May 10, 2021, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (21) 0.5 ppb (6) N/A 12.5 μg/m3 (52) 52.0
 
May 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
May 10, 2021, 9 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 13.0 ppb (13) 0.6 ppb (7) N/A 10.2 μg/m3 (43) 43.0
 
May 10, 2021, 8 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (19) 0.6 ppb (7) N/A 8.9 μg/m3 (38) 38.0
 
May 10, 2021, 7 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (25) 0.6 ppb (7) N/A 8.4 μg/m3 (36) 36.0
 
May 10, 2021, 6 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (26) 0.6 ppb (7) N/A 8.4 μg/m3 (36) 36.0
 
May 10, 2021, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (28) 0.6 ppb (7) N/A 10.1 μg/m3 (43) 43.0
 
May 10, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (36) 0.5 ppb (6) N/A 9.4 μg/m3 (40) 40.0
 
May 10, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.5 ppb (6) N/A 8.6 μg/m3 (36) 39.0
 
May 10, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) 0.5 ppb (6) N/A 6.6 μg/m3 (28) 44.0
 
May 10, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) 0.5 ppb (6) N/A 6.2 μg/m3 (26) 46.0
 
May 10, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) 0.5 ppb (6) N/A 6.3 μg/m3 (27) 47.0
 
May 9, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) 0.5 ppb (6) N/A 6.6 μg/m3 (28) 50.0
 
May 9, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (49) 0.5 ppb (6) N/A 5.2 μg/m3 (22) 49.0
 
May 9, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) 0.5 ppb (6) N/A 4.4 μg/m3 (19) 48.0
 
May 9, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) 0.5 ppb (6) N/A 3.2 μg/m3 (14) 47.0
 
May 9, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) 0.5 ppb (6) N/A 3.8 μg/m3 (16) 45.0
 
May 9, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) 0.5 ppb (6) N/A 4.4 μg/m3 (19) 44.0
 
May 9, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.5 ppb (6) N/A 5.3 μg/m3 (23) 43.0
 
May 9, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.5 ppb (6) N/A 4.7 μg/m3 (20) 39.0
 
May 9, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.5 ppb (6) N/A 3.4 μg/m3 (15) 37.0
 
May 9, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.5 ppb (6) N/A 3.0 μg/m3 (13) 35.0
 
May 9, 2021, 1 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 22.0 ppb (21) 0.6 ppb (7) N/A 6.5 μg/m3 (28) 28.0
 
May 9, 2021, noon N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 6.0 ppb (6) 0.6 ppb (7) N/A 5.9 μg/m3 (25) 25.0
 
May 9, 2021, 11 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 6.0 ppb (6) 0.6 ppb (7) N/A 5.1 μg/m3 (22) 22.0
 
May 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (19) 19.0
 
May 9, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.5 ppb (6) N/A 4.9 μg/m3 (21) 27.0
 
May 9, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.5 ppb (6) N/A 4.9 μg/m3 (21) 33.0
 
May 9, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.5 ppb (6) N/A 3.8 μg/m3 (16) 38.0
 
May 9, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) 0.5 ppb (6) N/A 2.3 μg/m3 (10) 39.0
 
May 9, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.5 ppb (6) N/A 2.7 μg/m3 (12) 41.0
 
May 9, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.5 ppb (6) N/A 3.8 μg/m3 (16) 39.0
 
May 9, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.5 ppb (6) N/A 4.4 μg/m3 (19) 41.0
 
May 9, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.5 ppb (6) N/A 4.9 μg/m3 (21) 43.0
 
May 9, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.5 ppb (6) N/A 4.2 μg/m3 (18) 44.0
 
May 9, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) 0.5 ppb (6) N/A 4.5 μg/m3 (19) 42.0
 
May 8, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.5 ppb (6) N/A 5.3 μg/m3 (23) 36.0
 
May 8, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.5 ppb (6) N/A 4.5 μg/m3 (19) 35.0
 
May 8, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.5 ppb (6) N/A 4.4 μg/m3 (19) 32.0
 
May 8, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.5 ppb (6) N/A 3.0 μg/m3 (13) 32.0
 
May 8, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.5 ppb (6) N/A 3.4 μg/m3 (15) 32.0
 
May 8, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.5 ppb (6) N/A 4.4 μg/m3 (19) 32.0
 
May 8, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.5 ppb (6) N/A 4.3 μg/m3 (18) 33.0
 
May 8, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.5 ppb (6) N/A 3.6 μg/m3 (16) 35.0
 
May 8, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.5 ppb (6) N/A 3.8 μg/m3 (16) 36.0
 
May 8, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.5 ppb (6) N/A N/A 34.0
 
May 8, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.5 ppb (6) N/A N/A 35.0
 
May 8, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.5 ppb (6) N/A N/A 36.0
 
May 8, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.5 ppb (6) N/A N/A 38.0
 
May 8, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.5 ppb (6) N/A N/A 38.0
 
May 8, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.5 ppb (6) N/A N/A 38.0
 
May 8, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.5 ppb (6) N/A N/A 37.0
 
May 8, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.5 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
May 8, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.5 ppb (6) N/A 4.1 μg/m3 (18) 38.0
 
May 8, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.5 ppb (6) N/A 10.9 μg/m3 (46) 46.0
 
May 8, 2021, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.6 ppb (7) N/A 17.3 μg/m3 (62) 62.0
 
May 8, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.5 ppb (6) N/A 7.9 μg/m3 (33) 37.0
 
May 8, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.5 ppb (6) N/A 8.6 μg/m3 (36) 38.0
 
May 8, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.5 ppb (6) N/A 6.1 μg/m3 (26) 38.0
 
May 7, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.5 ppb (6) N/A 5.6 μg/m3 (24) 38.0
 
May 7, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.5 ppb (6) N/A 7.1 μg/m3 (30) 38.0
 
May 7, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.5 ppb (6) N/A 8.8 μg/m3 (37) 37.0
 
May 7, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.5 ppb (6) N/A 13.4 μg/m3 (54) 54.0
 
May 7, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.5 ppb (6) N/A 8.3 μg/m3 (35) 35.0
 
May 7, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.5 ppb (6) N/A 6.3 μg/m3 (27) 34.0
 
May 7, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.5 ppb (6) N/A 6.5 μg/m3 (28) 36.0
 
May 7, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.5 ppb (6) N/A 6.6 μg/m3 (28) 35.0
 
May 7, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 33.0
 
May 7, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.5 ppb (6) N/A 6.1 μg/m3 (26) 31.0
 
May 7, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.5 ppb (6) N/A 5.9 μg/m3 (25) 33.0
 
May 7, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.5 ppb (6) N/A 7.4 μg/m3 (31) 33.0
 
May 7, 2021, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) 0.5 ppb (6) N/A 7.6 μg/m3 (32) 33.0
 
May 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (41) 41.0
 
May 7, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) 0.5 ppb (6) N/A 8.8 μg/m3 (37) 37.0
 
May 7, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) 0.5 ppb (6) N/A 7.4 μg/m3 (31) 37.0
 
May 7, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.5 ppb (6) N/A 6.4 μg/m3 (27) 38.0
 
May 7, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.5 ppb (6) N/A 3.8 μg/m3 (16) 41.0
 
May 7, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.5 ppb (6) N/A 3.5 μg/m3 (15) 43.0