ID: 9858

AQSQID: CC0091101

Site Name: Elk Island

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

Updated: May 24, 2022, 8:28 p.m.

Location: Improvement Dist 13 Elk Is (Range Rd 202a), CC

Reporting: True, Located: True

Current AQI: 35.0

Improvement Dist 13 Elk Is (Range Rd 202a) CC, CA: 53.6825, -112.8686

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 N/A N/A N/A 37.0 ppb (35) N/A N/A 5.4 μg/m3 (23) 35.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 24, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.7 μg/m3 (20) 29.0
 
May 24, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.6 μg/m3 (20) 28.0
 
May 24, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.3 μg/m3 (18) 27.0
 
May 24, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.4 μg/m3 (19) 25.0
 
May 24, 2022, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
May 24, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
May 24, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.1 μg/m3 (18) 26.0
 
May 24, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.3 μg/m3 (18) 29.0
 
May 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.3 μg/m3 (27) 34.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 7.0 μg/m3 (30) 36.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.6 μg/m3 (24) 39.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.2 μg/m3 (22) 43.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.2 μg/m3 (22) 43.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.2 μg/m3 (22) 43.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.2 μg/m3 (22) 43.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 5.4 μg/m3 (23) 46.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 5.2 μg/m3 (22) 48.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 5.2 μg/m3 (22) 48.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 5.1 μg/m3 (22) 49.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 5.1 μg/m3 (22) 49.0
 
May 23, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 5.4 μg/m3 (23) 46.0
 
May 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 5.3 μg/m3 (23) 46.0
 
May 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 5.2 μg/m3 (22) 46.0
 
May 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.2 μg/m3 (26) 36.0
 
May 23, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.4 μg/m3 (27) 32.0
 
May 23, 2022, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.8 μg/m3 (29) 29.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.5 μg/m3 (28) 33.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.5 μg/m3 (28) 33.0
 
May 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.5 μg/m3 (28) 32.0
 
May 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.6 μg/m3 (20) 39.0
 
May 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.5 μg/m3 (19) 42.0
 
May 23, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.5 μg/m3 (19) 45.0
 
May 23, 2022, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.5 μg/m3 (19) 45.0
 
May 22, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 4.9 μg/m3 (21) 48.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 5.0 μg/m3 (21) 50.0
 
May 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 4.9 μg/m3 (21) 50.0
 
May 22, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 4.8 μg/m3 (20) 49.0
 
May 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 4.7 μg/m3 (20) 48.0
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.1 μg/m3 (22) 40.0
 
May 22, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.5 μg/m3 (19) 41.0
 
May 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.7 μg/m3 (20) 38.0
 
May 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.7 μg/m3 (20) 36.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.7 μg/m3 (20) 35.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.9 μg/m3 (21) 33.0
 
May 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
May 22, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.9 μg/m3 (21) 38.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.1 μg/m3 (22) 39.0
 
May 22, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.4 μg/m3 (19) 38.0
 
May 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.8 μg/m3 (20) 44.0
 
May 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 4.7 μg/m3 (20) 49.0
 
May 22, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 4.9 μg/m3 (21) 50.0
 
May 22, 2022, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 4.9 μg/m3 (21) 50.0
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 4.8 μg/m3 (20) 50.0
 
May 21, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 4.6 μg/m3 (20) 50.0
 
May 21, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 4.6 μg/m3 (20) 50.0
 
May 21, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 4.4 μg/m3 (19) 49.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 4.2 μg/m3 (18) 48.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.3 μg/m3 (18) 47.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.4 μg/m3 (19) 46.0
 
May 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.2 μg/m3 (18) 46.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.9 μg/m3 (17) 42.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.2 μg/m3 (18) 36.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.7 μg/m3 (20) 26.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.4 μg/m3 (19) 26.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 7.8 μg/m3 (33) 33.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.6 μg/m3 (16) 35.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.6 μg/m3 (16) 41.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 3.5 μg/m3 (15) 44.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 3.4 μg/m3 (15) 43.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 3.3 μg/m3 (14) 43.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 3.4 μg/m3 (15) 44.0
 
May 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.1 μg/m3 (13) 42.0
 
May 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.1 μg/m3 (13) 40.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.9 μg/m3 (13) 38.0
 
May 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.7 μg/m3 (12) 37.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.5 μg/m3 (11) 37.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.2 μg/m3 (14) 32.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.4 μg/m3 (15) 30.0
 
May 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.3 μg/m3 (18) 30.0
 
May 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.3 μg/m3 (23) 30.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
May 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.6 μg/m3 (24) 32.0
 
May 20, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.1 μg/m3 (22) 32.0
 
May 20, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.1 μg/m3 (22) 30.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
May 19, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.4 μg/m3 (15) 36.0
 
May 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.4 μg/m3 (15) 36.0
 
May 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.2 μg/m3 (18) 32.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.8 μg/m3 (16) 35.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.8 μg/m3 (16) 35.0
 
May 19, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.6 μg/m3 (16) 34.0
 
May 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.4 μg/m3 (15) 32.0
 
May 19, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.2 μg/m3 (10) 33.0
 
May 19, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.3 μg/m3 (14) 35.0
 
May 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.7 μg/m3 (16) 35.0
 
May 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.5 μg/m3 (15) 36.0
 
May 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.5 μg/m3 (15) 37.0
 
May 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (15) 15.0
 
May 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
May 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 3.7 μg/m3 (16) 46.0
 
May 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 3.3 μg/m3 (14) 46.0
 
May 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 3.1 μg/m3 (13) 47.0
 
May 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.2 μg/m3 (14) 45.0
 
May 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.2 μg/m3 (14) 45.0
 
May 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.1 μg/m3 (13) 36.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.6 μg/m3 (16) 30.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.6 μg/m3 (16) 30.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.9 μg/m3 (17) 26.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.9 μg/m3 (17) 26.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
May 18, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.1 μg/m3 (9) 39.0
 
May 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.3 μg/m3 (10) 42.0
 
May 18, 2022, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 2.1 μg/m3 (9) 43.0
 
May 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 1.9 μg/m3 (8) 43.0
 
May 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 1.9 μg/m3 (8) 43.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
May 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.2 μg/m3 (10) 42.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.2 μg/m3 (10) 41.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 8.2 μg/m3 (35) 40.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 8.2 μg/m3 (35) 38.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.2 μg/m3 (35) 35.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.2 μg/m3 (35) 35.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 8.2 μg/m3 (35) 35.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 8.2 μg/m3 (35) 35.0
 
May 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 8.5 μg/m3 (36) 36.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
May 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.5 μg/m3 (19) 26.0
 
May 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.5 μg/m3 (19) 26.0
 
May 17, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.1 μg/m3 (18) 23.0
 
May 17, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
May 17, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.6 μg/m3 (16) 30.0
 
May 17, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.9 μg/m3 (17) 36.0
 
May 17, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.3 μg/m3 (18) 37.0
 
May 17, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.9 μg/m3 (17) 40.0
 
May 17, 2022, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.8 μg/m3 (16) 40.0
 
May 16, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.1 μg/m3 (13) 45.0
 
May 16, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 3.3 μg/m3 (14) 46.0
 
May 16, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.4 μg/m3 (15) 45.0
 
May 16, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.8 μg/m3 (16) 41.0
 
May 16, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.8 μg/m3 (16) 38.0
 
May 16, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.9 μg/m3 (17) 35.0
 
May 16, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.9 μg/m3 (17) 35.0
 
May 16, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.3 μg/m3 (18) 32.0
 
May 16, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.9 μg/m3 (17) 29.0
 
May 16, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
May 16, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.7 μg/m3 (16) 30.0
 
May 16, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.9 μg/m3 (17) 30.0