ID: 730

AQSQID: 421174000

Site Name: Tioga County

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

Updated: May 13, 2021, 10:45 a.m.

Location: Canton (Hurley Rd), PA

Reporting: True, Located: True

Current AQI: 30.0

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 13, 2021, 9 a.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 13, 2021, 8 a.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 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.4 μg/m3 (15) 34.0
 
May 13, 2021, 6 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 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.3 μg/m3 (14) 37.0
 
May 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
May 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.8 μg/m3 (12) 37.0
 
May 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.6 μg/m3 (11) 36.0
 
May 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.3 μg/m3 (10) 36.0
 
May 13, 2021, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.2 μg/m3 (10) 36.0
 
May 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.1 μg/m3 (9) 35.0
 
May 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.1 μg/m3 (9) 36.0
 
May 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.2 μg/m3 (10) 37.0
 
May 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.3 μg/m3 (10) 36.0
 
May 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.5 μg/m3 (11) 36.0
 
May 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.8 μg/m3 (12) 34.0
 
May 12, 2021, 5 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 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.5 μg/m3 (15) 33.0
 
May 12, 2021, 3 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 12, 2021, 2 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 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
May 12, 2021, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.8 μg/m3 (16) 24.0
 
May 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.8 μg/m3 (16) 23.0
 
May 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.7 μg/m3 (16) 24.0
 
May 12, 2021, 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 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
May 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.3 μg/m3 (10) 26.0
 
May 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (11) 11.0
 
May 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.9 μg/m3 (8) 27.0
 
May 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.8 μg/m3 (8) 27.0
 
May 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.7 μg/m3 (8) 26.0
 
May 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.6 μg/m3 (7) 26.0
 
May 12, 2021, 1 a.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 12, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0
 
May 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
May 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.9 μg/m3 (4) 32.0
 
May 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.5 μg/m3 (7) 32.0
 
May 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.5 μg/m3 (7) 34.0
 
May 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.1 μg/m3 (9) 35.0
 
May 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.9 μg/m3 (13) 37.0
 
May 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
May 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.2 μg/m3 (14) 35.0
 
May 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.4 μg/m3 (15) 35.0
 
May 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.1 μg/m3 (18) 34.0
 
May 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.9 μg/m3 (17) 33.0
 
May 11, 2021, 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 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.1 μg/m3 (22) 33.0
 
May 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.8 μg/m3 (20) 34.0
 
May 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.6 μg/m3 (20) 35.0
 
May 11, 2021, 8 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 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.9 μg/m3 (17) 37.0
 
May 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (16) 16.0
 
May 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.6 μg/m3 (16) 36.0
 
May 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.4 μg/m3 (10) 36.0
 
May 11, 2021, 3 a.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 11, 2021, 2 a.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 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.2 μg/m3 (10) 37.0
 
May 11, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
May 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
May 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
May 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.1 μg/m3 (13) 39.0
 
May 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.5 μg/m3 (15) 39.0
 
May 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.3 μg/m3 (14) 39.0
 
May 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.2 μg/m3 (14) 38.0
 
May 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.3 μg/m3 (14) 36.0
 
May 10, 2021, 3 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 10, 2021, 2 p.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 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
May 10, 2021, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.9 μg/m3 (8) 30.0
 
May 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.0 μg/m3 (5) 31.0
 
May 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.5 μg/m3 (3) 32.0
 
May 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
May 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
May 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.3 μg/m3 (2) 31.0
 
May 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.6 μg/m3 (3) 3.0
 
May 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.4 μg/m3 (2) 31.0
 
May 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.3 μg/m3 (2) 31.0
 
May 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.3 μg/m3 (2) 31.0
 
May 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
May 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.6 μg/m3 (3) 33.0
 
May 10, 2021, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.7 μg/m3 (3) 33.0
 
May 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.4 μg/m3 (2) 33.0
 
May 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.1 μg/m3 (1) 33.0
 
May 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.1 μg/m3 (1) 32.0
 
May 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.4 μg/m3 (2) 33.0
 
May 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.6 μg/m3 (7) 34.0
 
May 9, 2021, 6 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 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
May 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.7 μg/m3 (24) 35.0
 
May 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.9 μg/m3 (21) 34.0
 
May 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.2 μg/m3 (22) 35.0
 
May 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.2 μg/m3 (22) 28.0
 
May 9, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.2 μg/m3 (26) 32.0
 
May 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
May 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.8 μg/m3 (20) 31.0
 
May 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.8 μg/m3 (20) 30.0
 
May 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.8 μg/m3 (20) 30.0
 
May 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.6 μg/m3 (20) 30.0
 
May 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (21) 21.0
 
May 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.3 μg/m3 (23) 32.0
 
May 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.4 μg/m3 (19) 31.0
 
May 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
May 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.9 μg/m3 (17) 32.0
 
May 9, 2021, 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 9, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
May 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.4 μg/m3 (15) 35.0
 
May 8, 2021, 10 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 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.2 μg/m3 (10) 37.0
 
May 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
May 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
May 8, 2021, 6 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 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.3 μg/m3 (14) 32.0
 
May 8, 2021, 4 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 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.4 μg/m3 (15) 29.0
 
May 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.5 μg/m3 (15) 30.0
 
May 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.9 μg/m3 (17) 31.0
 
May 8, 2021, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
May 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
May 8, 2021, 10 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 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.8 μg/m3 (4) 29.0
 
May 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.7 μg/m3 (3) 29.0
 
May 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.6 μg/m3 (3) 29.0
 
May 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (3) 3.0
 
May 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.4 μg/m3 (2) 29.0
 
May 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 0.7 μg/m3 (3) 28.0
 
May 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
May 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.5 μg/m3 (7) 31.0
 
May 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.1 μg/m3 (9) 32.0
 
May 8, 2021, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.7 μg/m3 (20) 33.0
 
May 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.6 μg/m3 (28) 34.0
 
May 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
May 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.4 μg/m3 (23) 32.0
 
May 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.2 μg/m3 (22) 35.0
 
May 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.6 μg/m3 (20) 37.0
 
May 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
May 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
May 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
May 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.3 μg/m3 (14) 36.0
 
May 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
May 7, 2021, 1 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 7, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.8 μg/m3 (12) 36.0
 
May 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.5 μg/m3 (11) 34.0
 
May 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.8 μg/m3 (8) 33.0
 
May 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.6 μg/m3 (7) 32.0
 
May 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.7 μg/m3 (8) 32.0
 
May 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
May 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (8) 8.0
 
May 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.6 μg/m3 (7) 31.0
 
May 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
May 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
May 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.3 μg/m3 (10) 31.0
 
May 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
May 7, 2021, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.2 μg/m3 (14) 29.0
 
May 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.1 μg/m3 (13) 33.0
 
May 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
May 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.4 μg/m3 (15) 35.0
 
May 6, 2021, 8 p.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 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
May 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.4 μg/m3 (10) 33.0
 
May 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
May 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
May 6, 2021, 3 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 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.1 μg/m3 (9) 27.0
 
May 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
May 6, 2021, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
May 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.8 μg/m3 (8) 24.0
 
May 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0