ID: 7881

AQSQID: 840040059999

Site Name: Grand Canyon Ozone Bench

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

Updated: June 28, 2022, 5:54 p.m.

Location: Grand Cyn (Mather Point Amphitheater), AZ

Reporting: True, Located: True

Current AQI: 50.0

Grand Cyn (Mather Point Amphitheater) AZ, US: 36.060444, -112.107028

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 28, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 12.0 μg/m3 (50) 50.0
 
June 28, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 11.5 μg/m3 (48) 48.0
 
June 28, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 12.6 μg/m3 (53) 53.0
 
June 28, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 10.3 μg/m3 (43) 48.0
 
June 28, 2022, noon N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 12.0 μg/m3 (50) 50.0
 
June 28, 2022, noon N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 12.0 μg/m3 (50) 50.0
 
June 28, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 10.5 μg/m3 (44) 49.0
 
June 28, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 10.5 μg/m3 (44) 49.0
 
June 28, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 10.5 μg/m3 (44) 48.0
 
June 28, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 10.5 μg/m3 (44) 48.0
 
June 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 28, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 11.2 μg/m3 (47) 47.0
 
June 28, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 13.0 μg/m3 (53) 53.0
 
June 28, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 31.9 μg/m3 (93) 93.0
 
June 28, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 14.5 μg/m3 (57) 57.0
 
June 28, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 14.8 μg/m3 (57) 57.0
 
June 28, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 14.8 μg/m3 (57) 57.0
 
June 28, 2022, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 14.5 μg/m3 (57) 57.0
 
June 28, 2022, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 14.5 μg/m3 (57) 57.0
 
June 27, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 14.1 μg/m3 (56) 56.0
 
June 27, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 13.4 μg/m3 (54) 54.0
 
June 27, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 13.4 μg/m3 (54) 54.0
 
June 27, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 13.4 μg/m3 (54) 54.0
 
June 27, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 12.6 μg/m3 (53) 53.0
 
June 27, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 12.6 μg/m3 (53) 53.0
 
June 27, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 12.6 μg/m3 (53) 53.0
 
June 27, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 11.8 μg/m3 (50) 50.0
 
June 27, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 11.8 μg/m3 (50) 50.0
 
June 27, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.6 μg/m3 (45) 45.0
 
June 27, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.6 μg/m3 (45) 45.0
 
June 27, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 9.5 μg/m3 (40) 40.0
 
June 27, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 9.0 μg/m3 (38) 43.0
 
June 27, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 9.0 μg/m3 (38) 44.0
 
June 27, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 9.0 μg/m3 (38) 44.0
 
June 27, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 9.0 μg/m3 (38) 47.0
 
June 27, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 9.0 μg/m3 (38) 47.0
 
June 27, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 10.7 μg/m3 (45) 48.0
 
June 27, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 9.3 μg/m3 (39) 48.0
 
June 27, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 9.5 μg/m3 (40) 46.0
 
June 27, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 9.6 μg/m3 (40) 47.0
 
June 27, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 9.8 μg/m3 (41) 46.0
 
June 27, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 10.3 μg/m3 (43) 47.0
 
June 27, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 11.4 μg/m3 (48) 48.0
 
June 27, 2022, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 13.3 μg/m3 (54) 54.0
 
June 26, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 11.4 μg/m3 (48) 48.0
 
June 26, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 10.8 μg/m3 (46) 50.0
 
June 26, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 11.3 μg/m3 (48) 48.0
 
June 26, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 11.7 μg/m3 (49) 49.0
 
June 26, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 11.3 μg/m3 (48) 48.0
 
June 26, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.8 μg/m3 (46) 46.0
 
June 26, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 10.2 μg/m3 (43) 43.0
 
June 26, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 10.1 μg/m3 (43) 46.0
 
June 26, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 10.1 μg/m3 (43) 46.0
 
June 26, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 10.1 μg/m3 (43) 49.0
 
June 26, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 10.1 μg/m3 (43) 49.0
 
June 26, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 10.1 μg/m3 (43) 49.0
 
June 26, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 10.2 μg/m3 (43) 51.0
 
June 26, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 10.4 μg/m3 (44) 50.0
 
June 26, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 10.4 μg/m3 (44) 50.0
 
June 26, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 10.9 μg/m3 (46) 55.0
 
June 26, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 11.5 μg/m3 (48) 50.0
 
June 26, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 11.5 μg/m3 (48) 50.0
 
June 26, 2022, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 11.8 μg/m3 (50) 50.0
 
June 25, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 11.4 μg/m3 (48) 50.0
 
June 25, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 12.4 μg/m3 (52) 52.0
 
June 25, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 11.4 μg/m3 (48) 48.0
 
June 25, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 11.4 μg/m3 (48) 48.0
 
June 25, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 11.4 μg/m3 (48) 48.0
 
June 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 10.9 μg/m3 (46) 46.0
 
June 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 10.9 μg/m3 (46) 46.0
 
June 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 10.9 μg/m3 (46) 46.0
 
June 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 10.9 μg/m3 (46) 46.0
 
June 25, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 10.6 μg/m3 (45) 45.0
 
June 25, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 10.6 μg/m3 (45) 45.0
 
June 25, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 10.4 μg/m3 (44) 45.0
 
June 25, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 10.3 μg/m3 (43) 47.0
 
June 25, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 10.2 μg/m3 (43) 48.0
 
June 25, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 9.9 μg/m3 (42) 49.0
 
June 25, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 10.0 μg/m3 (42) 55.0
 
June 25, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 10.6 μg/m3 (45) 47.0
 
June 25, 2022, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 11.2 μg/m3 (47) 47.0
 
June 24, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 10.9 μg/m3 (46) 46.0
 
June 24, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 12.3 μg/m3 (52) 52.0
 
June 24, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 13.3 μg/m3 (54) 54.0
 
June 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 13.7 μg/m3 (55) 55.0
 
June 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 13.7 μg/m3 (55) 55.0
 
June 24, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.6 μg/m3 (45) 45.0
 
June 24, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 10.1 μg/m3 (43) 43.0
 
June 24, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 10.4 μg/m3 (44) 44.0
 
June 24, 2022, noon N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 10.3 μg/m3 (43) 43.0
 
June 24, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 10.2 μg/m3 (43) 43.0
 
June 24, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 10.2 μg/m3 (43) 43.0
 
June 24, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 10.1 μg/m3 (43) 43.0
 
June 24, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 10.8 μg/m3 (46) 46.0
 
June 24, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 11.4 μg/m3 (48) 48.0
 
June 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 11.2 μg/m3 (47) 47.0
 
June 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 11.2 μg/m3 (47) 47.0
 
June 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 11.5 μg/m3 (48) 48.0
 
June 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 12.9 μg/m3 (53) 53.0
 
June 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 13.6 μg/m3 (55) 55.0
 
June 24, 2022, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 13.4 μg/m3 (54) 54.0
 
June 23, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 12.4 μg/m3 (52) 52.0
 
June 23, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.3 μg/m3 (52) 52.0
 
June 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.2 μg/m3 (52) 52.0
 
June 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.2 μg/m3 (52) 52.0
 
June 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.2 μg/m3 (52) 52.0
 
June 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 12.1 μg/m3 (51) 51.0
 
June 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 12.1 μg/m3 (51) 51.0
 
June 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 12.1 μg/m3 (51) 51.0
 
June 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 12.1 μg/m3 (51) 51.0
 
June 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 10.5 μg/m3 (44) 44.0
 
June 23, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 10.7 μg/m3 (45) 45.0
 
June 23, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 10.7 μg/m3 (45) 45.0
 
June 23, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 11.3 μg/m3 (48) 48.0
 
June 23, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 11.7 μg/m3 (49) 49.0
 
June 23, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 12.3 μg/m3 (52) 52.0
 
June 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 13.1 μg/m3 (54) 54.0
 
June 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 13.1 μg/m3 (54) 54.0
 
June 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 13.1 μg/m3 (54) 54.0
 
June 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 13.8 μg/m3 (55) 55.0
 
June 22, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 13.9 μg/m3 (55) 55.0
 
June 22, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 13.9 μg/m3 (55) 55.0
 
June 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 13.5 μg/m3 (54) 54.0
 
June 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 13.5 μg/m3 (54) 54.0
 
June 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 13.5 μg/m3 (54) 54.0
 
June 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 12.7 μg/m3 (53) 53.0
 
June 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 12.0 μg/m3 (50) 50.0
 
June 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 12.0 μg/m3 (50) 50.0
 
June 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.6 μg/m3 (45) 45.0
 
June 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.3 μg/m3 (43) 43.0
 
June 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.3 μg/m3 (43) 43.0
 
June 22, 2022, noon N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 10.5 μg/m3 (44) 47.0
 
June 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 10.4 μg/m3 (44) 49.0
 
June 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 10.5 μg/m3 (44) 51.0
 
June 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 12.0 μg/m3 (50) 55.0
 
June 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 12.0 μg/m3 (50) 55.0
 
June 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 13.1 μg/m3 (54) 61.0
 
June 22, 2022, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 14.0 μg/m3 (55) 55.0
 
June 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 11.8 μg/m3 (50) 58.0
 
June 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 11.3 μg/m3 (48) 58.0
 
June 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 11.3 μg/m3 (48) 58.0
 
June 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 11.3 μg/m3 (48) 58.0
 
June 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 10.7 μg/m3 (45) 50.0
 
June 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 10.7 μg/m3 (45) 50.0
 
June 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 10.2 μg/m3 (43) 50.0
 
June 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 10.2 μg/m3 (43) 50.0
 
June 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 9.7 μg/m3 (41) 49.0
 
June 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 9.7 μg/m3 (41) 49.0
 
June 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 9.5 μg/m3 (40) 50.0
 
June 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 9.5 μg/m3 (40) 50.0
 
June 21, 2022, noon N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 9.4 μg/m3 (40) 51.0
 
June 21, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 9.4 μg/m3 (40) 51.0
 
June 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 9.4 μg/m3 (40) 51.0
 
June 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 9.4 μg/m3 (40) 51.0
 
June 21, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 10.0 μg/m3 (42) 50.0
 
June 21, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 10.3 μg/m3 (43) 51.0
 
June 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 13.4 μg/m3 (54) 68.0
 
June 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 13.9 μg/m3 (55) 55.0
 
June 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 12.4 μg/m3 (52) 55.0
 
June 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 12.0 μg/m3 (50) 51.0
 
June 20, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 18.2 μg/m3 (64) 64.0
 
June 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 15.4 μg/m3 (58) 58.0
 
June 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 15.4 μg/m3 (58) 58.0
 
June 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 10.8 μg/m3 (46) 55.0
 
June 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 10.3 μg/m3 (43) 49.0