ID: 9859

AQSQID: CC0090121

Site Name: Edmonton East

Added: Jan. 26, 2022, 5:40 a.m.

Updated: May 24, 2022, 8:29 p.m.

Location: Strathcona Co (17 St), CC

Reporting: True, Located: True

Current AQI: 31.0

Strathcona Co (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 24, 2022, 6 p.m. N/A N/A N/A 10.0 ppb (10) N/A 13.0 ppb (19) 28.0 ppb (26) 0.2 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
May 24, 2022, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 27.0 ppb (25) 0.2 ppb (3) N/A 7.3 μg/m3 (31) 31.0
 
May 24, 2022, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A 4.0 ppb (6) 23.0 ppb (22) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
May 24, 2022, 3 p.m. N/A N/A N/A 11.0 ppb (11) N/A 4.0 ppb (6) 19.0 ppb (18) 0.2 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
May 24, 2022, 2 p.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 12.0 ppb (12) 0.2 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
May 24, 2022, 1 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 13.0 ppb (13) 0.2 ppb (3) N/A 7.2 μg/m3 (31) 31.0
 
May 24, 2022, noon N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 14.0 ppb (13) 0.2 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
May 24, 2022, 10 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 25.0 ppb (24) 0.2 ppb (3) N/A 3.6 μg/m3 (16) 24.0
 
May 24, 2022, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 25.0 ppb (24) 0.2 ppb (3) N/A 7.7 μg/m3 (33) 33.0
 
May 24, 2022, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 29.0 ppb (27) 0.2 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 24, 2022, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (5) 21.0 ppb (20) 0.2 ppb (3) N/A 15.5 μg/m3 (59) 59.0
 
May 24, 2022, 5 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) N/A 15.5 μg/m3 (59) 59.0
 
May 24, 2022, 5 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) N/A 15.5 μg/m3 (59) 59.0
 
May 24, 2022, 4 a.m. N/A N/A N/A 21.0 ppb (20) N/A 6.0 ppb (9) 27.0 ppb (25) 0.2 ppb (3) N/A 13.3 μg/m3 (54) 54.0
 
May 24, 2022, 4 a.m. N/A N/A N/A 21.0 ppb (20) N/A 6.0 ppb (9) 27.0 ppb (25) 0.2 ppb (3) N/A 13.3 μg/m3 (54) 54.0
 
May 24, 2022, 3 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 41.0 ppb (38) 0.1 ppb (2) N/A 7.4 μg/m3 (31) 38.0
 
May 24, 2022, 3 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 41.0 ppb (38) 0.1 ppb (2) N/A 7.4 μg/m3 (31) 38.0
 
May 24, 2022, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (45) 0.1 ppb (2) N/A 4.9 μg/m3 (21) 45.0
 
May 24, 2022, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (45) 0.1 ppb (2) N/A 4.9 μg/m3 (21) 45.0
 
May 24, 2022, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (44) 0.1 ppb (2) N/A 5.5 μg/m3 (23) 44.0
 
May 24, 2022, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (44) 0.1 ppb (2) N/A 5.5 μg/m3 (23) 44.0
 
May 24, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 48.0 ppb (45) 0.1 ppb (2) N/A 5.5 μg/m3 (23) 45.0
 
May 24, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 48.0 ppb (45) 0.1 ppb (2) N/A 5.5 μg/m3 (23) 45.0
 
May 23, 2022, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (43) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 43.0
 
May 23, 2022, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (43) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 43.0
 
May 23, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (47) 0.1 ppb (2) N/A 5.5 μg/m3 (23) 47.0
 
May 23, 2022, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 7.0 ppb (10) 49.0 ppb (46) 0.1 ppb (2) N/A 5.7 μg/m3 (24) 46.0
 
May 23, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 4.0 ppb (6) 50.0 ppb (47) 0.1 ppb (2) N/A 4.9 μg/m3 (21) 47.0
 
May 23, 2022, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) N/A 2.7 μg/m3 (12) 37.0
 
May 23, 2022, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 3.7 μg/m3 (16) 34.0
 
May 23, 2022, 11 a.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 23.0 ppb (22) 0.2 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
May 23, 2022, 10 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
May 23, 2022, 10 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
May 23, 2022, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
May 23, 2022, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 43.0 ppb (40) 0.1 ppb (2) N/A 8.6 μg/m3 (36) 40.0
 
May 23, 2022, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) 0.1 ppb (2) N/A 7.3 μg/m3 (31) 45.0
 
May 23, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (43) 0.1 ppb (2) N/A 7.2 μg/m3 (31) 43.0
 
May 23, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (45) 0.1 ppb (2) N/A 6.8 μg/m3 (29) 45.0
 
May 22, 2022, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 49.0 ppb (46) 0.1 ppb (2) N/A 6.5 μg/m3 (28) 46.0
 
May 22, 2022, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 51.0 ppb (48) 0.1 ppb (2) N/A 6.3 μg/m3 (27) 48.0
 
May 22, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 49.0
 
May 22, 2022, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 6.0 ppb (9) 51.0 ppb (48) 0.1 ppb (2) N/A 5.9 μg/m3 (25) 48.0
 
May 22, 2022, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 3.0 ppb (5) 52.0 ppb (49) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 49.0
 
May 22, 2022, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 9.0 ppb (13) 45.0 ppb (42) 0.1 ppb (2) N/A 5.1 μg/m3 (22) 42.0
 
May 22, 2022, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 40.0 ppb (38) 0.2 ppb (3) N/A 4.5 μg/m3 (19) 38.0
 
May 22, 2022, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) N/A 4.1 μg/m3 (18) 34.0
 
May 22, 2022, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) N/A 3.3 μg/m3 (14) 31.0
 
May 22, 2022, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 3.2 μg/m3 (14) 29.0
 
May 22, 2022, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 3.2 μg/m3 (14) 29.0
 
May 22, 2022, noon N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 28.0 ppb (26) 0.2 ppb (3) N/A 3.7 μg/m3 (16) 26.0
 
May 22, 2022, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 4.1 μg/m3 (18) 27.0
 
May 22, 2022, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) N/A 4.7 μg/m3 (20) 30.0
 
May 22, 2022, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) N/A 5.3 μg/m3 (23) 30.0
 
May 22, 2022, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 6.4 μg/m3 (27) 32.0
 
May 22, 2022, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 7.6 μg/m3 (32) 34.0
 
May 22, 2022, 5 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 12.2 μg/m3 (52) 52.0
 
May 22, 2022, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 9.1 μg/m3 (38) 40.0
 
May 22, 2022, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (44) 0.1 ppb (2) N/A 7.3 μg/m3 (31) 44.0
 
May 22, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) 0.1 ppb (2) N/A 7.3 μg/m3 (31) 46.0
 
May 22, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 49.0 ppb (46) 0.1 ppb (2) N/A 6.9 μg/m3 (29) 46.0
 
May 21, 2022, 11 p.m. N/A N/A N/A 9.0 ppb (9) N/A 6.0 ppb (9) 47.0 ppb (44) 0.1 ppb (2) N/A 7.8 μg/m3 (33) 44.0
 
May 21, 2022, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 53.0 ppb (50) 0.1 ppb (2) N/A 7.5 μg/m3 (32) 50.0
 
May 21, 2022, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 50.0
 
May 21, 2022, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 50.0 ppb (47) 0.1 ppb (2) N/A 6.6 μg/m3 (28) 47.0
 
May 21, 2022, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 51.0 ppb (48) 0.1 ppb (2) N/A 6.2 μg/m3 (26) 48.0
 
May 21, 2022, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 48.0 ppb (45) 0.1 ppb (2) N/A 6.5 μg/m3 (28) 45.0
 
May 21, 2022, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 48.0 ppb (45) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 45.0
 
May 21, 2022, 4 p.m. N/A N/A N/A 10.0 ppb (10) N/A 4.0 ppb (6) 43.0 ppb (40) 0.1 ppb (2) N/A 6.2 μg/m3 (26) 40.0
 
May 21, 2022, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A 4.0 ppb (6) 37.0 ppb (35) 0.2 ppb (3) N/A 8.0 μg/m3 (34) 35.0
 
May 21, 2022, 2 p.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 20.0 ppb (19) 0.3 ppb (4) N/A 8.7 μg/m3 (37) 37.0
 
May 21, 2022, 1 p.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) N/A 9.2 μg/m3 (39) 39.0
 
May 21, 2022, 1 p.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) N/A 9.2 μg/m3 (39) 39.0
 
May 21, 2022, noon N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 3.0 ppb (3) 0.4 ppb (5) N/A 9.8 μg/m3 (41) 41.0
 
May 21, 2022, 10 a.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 4.0 ppb (4) 0.2 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
May 21, 2022, 9 a.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 4.0 ppb (4) 0.2 ppb (3) N/A 7.8 μg/m3 (33) 33.0
 
May 21, 2022, 8 a.m. N/A N/A N/A 29.0 ppb (28) N/A 5.0 ppb (8) 8.0 ppb (8) 0.2 ppb (3) N/A 7.7 μg/m3 (33) 33.0
 
May 21, 2022, 4 a.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) 20.0 ppb (19) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 21, 2022, 3 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 31.0
 
May 21, 2022, 2 a.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) N/A 9.7 μg/m3 (41) 41.0
 
May 21, 2022, 1 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 7.9 μg/m3 (33) 34.0
 
May 21, 2022, midnight N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 37.0 ppb (35) 0.1 ppb (2) N/A 7.2 μg/m3 (31) 35.0
 
May 20, 2022, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (38) 0.1 ppb (2) N/A 10.8 μg/m3 (46) 46.0
 
May 20, 2022, 10 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 6.5 μg/m3 (28) 35.0
 
May 20, 2022, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 6.5 μg/m3 (28) 36.0
 
May 20, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.1 ppb (2) N/A 6.3 μg/m3 (27) 37.0
 
May 20, 2022, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 6.7 μg/m3 (28) 34.0
 
May 20, 2022, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 6.3 μg/m3 (27) 35.0
 
May 20, 2022, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) N/A 29.7 μg/m3 (89) 89.0
 
May 20, 2022, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 3.8 μg/m3 (16) 31.0
 
May 20, 2022, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 3.8 μg/m3 (16) 30.0
 
May 20, 2022, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A 3.7 μg/m3 (16) 29.0
 
May 20, 2022, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 3.9 μg/m3 (17) 28.0
 
May 20, 2022, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 3.9 μg/m3 (17) 17.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 29.0
 
May 20, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A 3.9 μg/m3 (17) 29.0
 
May 20, 2022, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 3.8 μg/m3 (16) 28.0
 
May 20, 2022, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) N/A 3.6 μg/m3 (16) 27.0
 
May 20, 2022, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 2.8 μg/m3 (12) 26.0
 
May 20, 2022, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) N/A 2.8 μg/m3 (12) 25.0
 
May 20, 2022, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A 3.7 μg/m3 (16) 29.0
 
May 20, 2022, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 4.8 μg/m3 (20) 30.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) N/A 4.5 μg/m3 (19) 31.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) N/A 4.5 μg/m3 (19) 31.0
 
May 20, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 5.5 μg/m3 (23) 32.0
 
May 20, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 5.5 μg/m3 (23) 32.0
 
May 19, 2022, 11 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 5.1 μg/m3 (22) 29.0
 
May 19, 2022, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 26.0 ppb (25) 0.2 ppb (3) N/A 5.4 μg/m3 (23) 25.0
 
May 19, 2022, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 28.0 ppb (26) 0.2 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
May 19, 2022, 8 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
May 19, 2022, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 2.3 μg/m3 (10) 27.0
 
May 19, 2022, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) N/A 4.4 μg/m3 (19) 31.0
 
May 19, 2022, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 4.2 μg/m3 (18) 32.0
 
May 19, 2022, 5 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 4.4 μg/m3 (19) 27.0
 
May 19, 2022, 4 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 32.0 ppb (30) 0.2 ppb (3) N/A 6.8 μg/m3 (29) 30.0
 
May 19, 2022, 3 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 34.0 ppb (32) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 32.0
 
May 19, 2022, 2 a.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 35.0 ppb (33) 0.1 ppb (2) N/A 4.2 μg/m3 (18) 33.0
 
May 19, 2022, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 8.0 ppb (12) 41.0 ppb (38) 0.1 ppb (2) N/A 3.2 μg/m3 (14) 38.0
 
May 18, 2022, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 46.0 ppb (43) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 43.0
 
May 18, 2022, 10 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 44.0 ppb (41) 0.1 ppb (2) N/A 4.3 μg/m3 (18) 41.0
 
May 18, 2022, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 45.0 ppb (42) 0.1 ppb (2) N/A 4.3 μg/m3 (18) 42.0
 
May 18, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.1 ppb (2) N/A 3.8 μg/m3 (16) 41.0
 
May 18, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 2.6 μg/m3 (11) 39.0
 
May 18, 2022, 5 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 38.0 ppb (36) 0.1 ppb (2) N/A 5.8 μg/m3 (25) 36.0
 
May 18, 2022, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 32.0 ppb (30) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 30.0
 
May 18, 2022, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 32.0 ppb (30) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 30.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 28.0 ppb (26) 0.2 ppb (3) N/A 6.8 μg/m3 (29) 29.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 28.0 ppb (26) 0.2 ppb (3) N/A 6.8 μg/m3 (29) 29.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 18.0 ppb (17) 0.2 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 18.0 ppb (17) 0.2 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 18, 2022, 1 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A 6.8 μg/m3 (29) 29.0
 
May 18, 2022, 1 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A 6.8 μg/m3 (29) 29.0
 
May 18, 2022, noon N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
May 18, 2022, noon N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
May 18, 2022, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A 6.3 μg/m3 (27) 27.0
 
May 18, 2022, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 6.5 μg/m3 (28) 28.0
 
May 18, 2022, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.1 ppb (2) N/A 3.7 μg/m3 (16) 43.0
 
May 18, 2022, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (41) 0.1 ppb (2) N/A 4.1 μg/m3 (18) 41.0
 
May 18, 2022, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 3.6 μg/m3 (16) 39.0
 
May 17, 2022, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 3.1 μg/m3 (13) 40.0
 
May 17, 2022, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 1.9 μg/m3 (8) 40.0
 
May 17, 2022, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 1.5 μg/m3 (7) 40.0
 
May 17, 2022, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 1.5 μg/m3 (7) 40.0
 
May 17, 2022, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.1 ppb (2) N/A 1.7 μg/m3 (8) 41.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 39.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 39.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.1 ppb (2) N/A 2.7 μg/m3 (12) 38.0
 
May 17, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.1 ppb (2) N/A 2.7 μg/m3 (12) 38.0
 
May 17, 2022, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 2.5 μg/m3 (11) 36.0
 
May 17, 2022, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 2.5 μg/m3 (11) 36.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 2.5 μg/m3 (11) 34.0
 
May 17, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 2.5 μg/m3 (11) 34.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 2.1 μg/m3 (9) 30.0
 
May 17, 2022, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 2.1 μg/m3 (9) 30.0
 
May 17, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) N/A 1.8 μg/m3 (8) 27.0
 
May 17, 2022, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) N/A 0.7 μg/m3 (3) 33.0
 
May 17, 2022, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) N/A 0.4 μg/m3 (2) 32.0
 
May 17, 2022, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 0.6 μg/m3 (3) 31.0
 
May 17, 2022, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 0.6 μg/m3 (3) 31.0
 
May 17, 2022, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 2.3 μg/m3 (10) 31.0
 
May 17, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 7.2 μg/m3 (31) 31.0
 
May 17, 2022, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 6.1 μg/m3 (26) 34.0
 
May 17, 2022, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) N/A 5.1 μg/m3 (22) 33.0
 
May 17, 2022, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 38.0 ppb (36) 0.1 ppb (2) N/A 4.9 μg/m3 (21) 36.0
 
May 17, 2022, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.1 ppb (2) N/A 4.6 μg/m3 (20) 38.0
 
May 17, 2022, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.1 ppb (2) N/A 4.1 μg/m3 (18) 42.0
 
May 17, 2022, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) 0.1 ppb (2) N/A 6.3 μg/m3 (27) 43.0