ID: 730

AQSQID: 421174000

Site Name: Tioga County

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

Updated: May 25, 2022, 5:28 a.m.

Location: Canton (Hurley Rd), PA

Reporting: True, Located: True

Current AQI: 29.0

Canton (Hurley Rd) PA, US: 41.6447, -76.9392

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.4 μg/m3 (23) 29.0
 
May 25, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
May 25, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.1 μg/m3 (22) 31.0
 
May 25, 2022, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.4 μg/m3 (23) 31.0
 
May 24, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.4 μg/m3 (23) 36.0
 
May 24, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.8 μg/m3 (25) 38.0
 
May 24, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.6 μg/m3 (24) 38.0
 
May 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 5.3 μg/m3 (23) 38.0
 
May 24, 2022, 7 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, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.1 μg/m3 (22) 27.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.8 μg/m3 (20) 29.0
 
May 24, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.4 μg/m3 (19) 21.0
 
May 24, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
May 24, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.6 μg/m3 (16) 20.0
 
May 24, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 3.6 μg/m3 (16) 19.0
 
May 24, 2022, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.2 μg/m3 (18) 20.0
 
May 24, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.2 μg/m3 (14) 20.0
 
May 24, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.2 μg/m3 (14) 23.0
 
May 24, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
May 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (16) 16.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.6 μg/m3 (16) 26.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.6 μg/m3 (16) 26.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.9 μg/m3 (17) 27.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.9 μg/m3 (17) 27.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.9 μg/m3 (17) 27.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.9 μg/m3 (17) 27.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.6 μg/m3 (16) 29.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.6 μg/m3 (16) 29.0
 
May 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.3 μg/m3 (14) 34.0
 
May 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.8 μg/m3 (16) 34.0
 
May 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.4 μg/m3 (15) 33.0
 
May 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.2 μg/m3 (14) 31.0
 
May 23, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.8 μg/m3 (12) 27.0
 
May 23, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
May 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
May 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.4 μg/m3 (6) 30.0
 
May 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.4 μg/m3 (6) 31.0
 
May 23, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.2 μg/m3 (10) 26.0
 
May 23, 2022, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.7 μg/m3 (12) 25.0
 
May 22, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.6 μg/m3 (16) 24.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.1 μg/m3 (43) 43.0
 
May 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 14.0 μg/m3 (55) 55.0
 
May 22, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 14.2 μg/m3 (56) 56.0
 
May 22, 2022, 6 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
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 12.1 μg/m3 (51) 51.0
 
May 22, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 11.6 μg/m3 (49) 49.0
 
May 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 9.4 μg/m3 (40) 40.0
 
May 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 8.3 μg/m3 (35) 38.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.5 μg/m3 (32) 38.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.5 μg/m3 (32) 38.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.3 μg/m3 (31) 39.0
 
May 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.7 μg/m3 (28) 39.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.3 μg/m3 (27) 40.0
 
May 22, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 7.4 μg/m3 (31) 40.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 10.4 μg/m3 (44) 44.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 9.9 μg/m3 (42) 42.0
 
May 22, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 8.4 μg/m3 (36) 39.0
 
May 22, 2022, 3 a.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
 
May 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 22, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 22, 2022, midnight 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
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 11.5 μg/m3 (48) 48.0
 
May 21, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 11.5 μg/m3 (48) 48.0
 
May 21, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 11.6 μg/m3 (49) 49.0
 
May 21, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 11.2 μg/m3 (47) 47.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 11.6 μg/m3 (49) 49.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.4 μg/m3 (52) 52.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 12.4 μg/m3 (52) 52.0
 
May 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 12.1 μg/m3 (51) 51.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 12.1 μg/m3 (51) 51.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 11.9 μg/m3 (50) 50.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 12.5 μg/m3 (52) 52.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 12.5 μg/m3 (52) 52.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 12.4 μg/m3 (52) 52.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 13.1 μg/m3 (54) 54.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 13.7 μg/m3 (55) 55.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 12.1 μg/m3 (51) 51.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 9.2 μg/m3 (39) 39.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 8.9 μg/m3 (38) 38.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 9.2 μg/m3 (39) 39.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 10.1 μg/m3 (43) 43.0
 
May 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 9.6 μg/m3 (40) 40.0
 
May 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.6 μg/m3 (28) 35.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 9.0 μg/m3 (38) 40.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 7.9 μg/m3 (33) 43.0
 
May 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 7.2 μg/m3 (31) 43.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 6.8 μg/m3 (29) 43.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 7.2 μg/m3 (31) 41.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.7 μg/m3 (33) 38.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 8.1 μg/m3 (34) 38.0
 
May 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.1 μg/m3 (30) 38.0
 
May 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.1 μg/m3 (26) 40.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.8 μg/m3 (25) 43.0
 
May 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
May 20, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.8 μg/m3 (20) 43.0
 
May 20, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
May 20, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.7 μg/m3 (20) 44.0
 
May 20, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.6 μg/m3 (20) 45.0
 
May 20, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.8 μg/m3 (20) 42.0
 
May 20, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.8 μg/m3 (20) 46.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.9 μg/m3 (21) 47.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.9 μg/m3 (21) 47.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.9 μg/m3 (21) 46.0
 
May 19, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.8 μg/m3 (20) 47.0
 
May 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.8 μg/m3 (20) 47.0
 
May 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.5 μg/m3 (19) 44.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.8 μg/m3 (25) 40.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.8 μg/m3 (25) 40.0
 
May 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.1 μg/m3 (26) 26.0
 
May 19, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
May 19, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.9 μg/m3 (21) 32.0
 
May 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
May 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.8 μg/m3 (20) 32.0
 
May 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.7 μg/m3 (20) 30.0
 
May 19, 2022, 2 a.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 19, 2022, 1 a.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
 
May 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
May 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
May 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.2 μg/m3 (14) 34.0
 
May 18, 2022, 8 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 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
May 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.7 μg/m3 (12) 38.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.4 μg/m3 (10) 37.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.4 μg/m3 (10) 37.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 2.4 μg/m3 (10) 18.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 2.4 μg/m3 (10) 18.0
 
May 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 2.5 μg/m3 (11) 18.0
 
May 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 2.6 μg/m3 (11) 16.0
 
May 18, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
May 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.6 μg/m3 (7) 24.0
 
May 18, 2022, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
May 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
May 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.2 μg/m3 (5) 25.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.1 μg/m3 (5) 24.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.1 μg/m3 (5) 24.0
 
May 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.3 μg/m3 (6) 26.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.3 μg/m3 (6) 26.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.3 μg/m3 (6) 26.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.6 μg/m3 (7) 25.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.6 μg/m3 (7) 25.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
May 17, 2022, 3 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 17, 2022, 3 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 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.7 μg/m3 (24) 33.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
May 17, 2022, 10 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