ID: 867

AQSQID: 500070007

Site Name: Underhill

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

Updated: July 7, 2020, 11:34 p.m.

Location: Underhill (Harvey Rd), VT

Reporting: True, Located: True

Current AQI: 35.0

Underhill (Harvey Rd) VT, US: 44.528389, -72.868973

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 30, 2020, 9 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (0) 0.0 ppb (0) 22.0 ppb (17) 0.07 ppb (1) N/A 3.1 μg/m3 (13) 17.0
 
June 30, 2020, 8 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.4 ppb (0) 0.0 ppb (0) 20.0 ppb (15) 0.07 ppb (1) N/A 3.3 μg/m3 (14) 15.0
 
June 30, 2020, 7 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A 0.4 ppb (0) 0.0 ppb (0) 23.0 ppb (18) 0.06 ppb (1) N/A 3.7 μg/m3 (15) 18.0
 
June 30, 2020, 6 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (0) 0.0 ppb (0) 25.0 ppb (19) 0.06 ppb (1) N/A 2.6 μg/m3 (11) 19.0
 
June 30, 2020, 5 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (0) 0.0 ppb (0) 27.0 ppb (21) 0.07 ppb (1) N/A 2.3 μg/m3 (10) 21.0
 
June 30, 2020, 4 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (0) 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.4 μg/m3 (10) 23.0
 
June 30, 2020, 3 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.9 μg/m3 (8) 24.0
 
June 30, 2020, 2 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 26.0 ppb (20) N/A N/A 1.9 μg/m3 (8) 20.0
 
June 30, 2020, 1 p.m. N/A 0.4 ppb (0) 1.8 ppb (2) N/A 1.4 ppb (1) 0.0 ppb (0) 22.0 ppb (17) N/A N/A 5.7 μg/m3 (24) 24.0
 
June 30, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) N/A 3.9 μg/m3 (16) 16.0
 
June 30, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.08 ppb (1) N/A 1.7 μg/m3 (7) 12.0
 
June 30, 2020, 10 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 14.0 ppb (11) 0.09 ppb (1) N/A 1.5 μg/m3 (6) 11.0
 
June 30, 2020, 9 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.5 ppb (0) 0.0 ppb (0) 15.0 ppb (12) 0.09 ppb (1) N/A 1.9 μg/m3 (8) 12.0
 
June 30, 2020, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 15.0 ppb (12) N/A N/A 2.2 μg/m3 (9) 12.0
 
June 30, 2020, 7 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.5 ppb (0) N/A 18.0 ppb (14) 0.09 ppb (1) N/A 1.7 μg/m3 (7) 14.0
 
June 30, 2020, 6 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.5 ppb (0) 0.0 ppb (0) N/A 0.09 ppb (1) N/A 1.2 μg/m3 (5) 5.0
 
June 30, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.09 ppb (1) N/A 1.7 μg/m3 (7) 15.0
 
June 30, 2020, 4 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A 0.4 ppb (0) 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) N/A 1.8 μg/m3 (8) 15.0
 
June 30, 2020, 3 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A 0.3 ppb (0) 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) N/A 1.5 μg/m3 (6) 18.0
 
June 30, 2020, 2 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A 0.3 ppb (0) 0.0 ppb (0) 24.0 ppb (18) 0.09 ppb (1) N/A 1.1 μg/m3 (5) 18.0
 
June 30, 2020, 1 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A 0.4 ppb (0) 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 1.5 μg/m3 (6) 19.0
 
June 30, 2020, midnight N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.5 ppb (0) 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 20.0
 
June 29, 2020, 11 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 5.5 μg/m3 (23) 23.0
 
June 29, 2020, 10 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 4.9 μg/m3 (20) 20.0
 
June 29, 2020, 9 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.5 ppb (0) 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 22.0
 
June 29, 2020, 8 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (0) 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) N/A 3.8 μg/m3 (16) 25.0
 
June 29, 2020, 7 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.5 ppb (0) 0.0 ppb (0) 34.0 ppb (26) 0.11 ppb (1) N/A 2.9 μg/m3 (12) 26.0
 
June 29, 2020, 6 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (0) N/A 36.0 ppb (28) 0.11 ppb (1) N/A 2.3 μg/m3 (10) 28.0
 
June 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 28, 2020, noon N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 31.0 ppb (24) 0.09 ppb (1) N/A 4.5 μg/m3 (19) 24.0
 
June 28, 2020, 11 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 24.0 ppb (18) 0.08 ppb (1) N/A 4.3 μg/m3 (18) 18.0
 
June 28, 2020, 10 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 24.0 ppb (18) 0.08 ppb (1) N/A 4.5 μg/m3 (19) 19.0
 
June 28, 2020, 9 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A 4.7 μg/m3 (20) 20.0
 
June 28, 2020, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 26.0 ppb (20) N/A N/A 4.8 μg/m3 (20) 20.0
 
June 28, 2020, 7 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 22.0 ppb (17) 0.08 ppb (1) N/A 4.7 μg/m3 (20) 20.0
 
June 28, 2020, 6 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) N/A 0.09 ppb (1) N/A 4.9 μg/m3 (20) 20.0
 
June 28, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.09 ppb (1) N/A 4.7 μg/m3 (20) 25.0
 
June 28, 2020, 4 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 5.7 μg/m3 (24) 24.0
 
June 28, 2020, 3 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A 6.2 μg/m3 (26) 26.0
 
June 28, 2020, 2 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 6.3 μg/m3 (26) 26.0
 
June 28, 2020, 1 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 6.3 μg/m3 (26) 27.0
 
June 28, 2020, midnight N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) N/A 6.2 μg/m3 (26) 32.0
 
June 27, 2020, 11 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) N/A 5.8 μg/m3 (24) 30.0
 
June 27, 2020, 10 p.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A 1.1 ppb (1) 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) N/A 5.6 μg/m3 (23) 32.0
 
June 27, 2020, 9 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 47.0 ppb (36) 0.09 ppb (1) N/A 5.3 μg/m3 (22) 36.0
 
June 27, 2020, 8 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 49.0 ppb (38) 0.09 ppb (1) N/A 5.4 μg/m3 (23) 38.0
 
June 27, 2020, 7 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 50.0 ppb (38) 0.09 ppb (1) N/A 5.3 μg/m3 (22) 38.0
 
June 27, 2020, 6 p.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A 5.8 μg/m3 (24) 28.0
 
June 27, 2020, 5 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 5.6 μg/m3 (23) 23.0
 
June 27, 2020, 4 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A 5.5 μg/m3 (23) 23.0
 
June 27, 2020, 3 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A 5.9 μg/m3 (25) 25.0
 
June 27, 2020, 2 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2020, 1 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 6.3 μg/m3 (26) 27.0
 
June 27, 2020, noon N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 6.4 μg/m3 (27) 27.0
 
June 27, 2020, 11 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A 6.4 μg/m3 (27) 28.0
 
June 27, 2020, 10 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) N/A 6.4 μg/m3 (27) 30.0
 
June 27, 2020, 9 a.m. N/A -0.1 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) N/A 6.1 μg/m3 (25) 30.0
 
June 27, 2020, 8 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
June 27, 2020, 7 a.m. N/A -0.1 ppb (0) 0.6 ppb (1) N/A 0.7 ppb (1) N/A 35.0 ppb (27) 0.09 ppb (1) N/A 5.8 μg/m3 (24) 27.0
 
June 27, 2020, 6 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) N/A 0.09 ppb (1) N/A 5.7 μg/m3 (24) 24.0
 
June 27, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.08 ppb (1) N/A 5.7 μg/m3 (24) 26.0
 
June 27, 2020, 4 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.6 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.08 ppb (1) N/A 5.8 μg/m3 (24) 25.0
 
June 27, 2020, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 35.0 ppb (27) 0.08 ppb (1) N/A 5.9 μg/m3 (25) 27.0
 
June 27, 2020, 2 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.6 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.07 ppb (1) N/A 5.4 μg/m3 (23) 28.0
 
June 27, 2020, 1 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.5 ppb (0) 0.0 ppb (0) 32.0 ppb (25) 0.07 ppb (1) N/A 5.0 μg/m3 (21) 25.0
 
June 27, 2020, midnight N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 32.0 ppb (25) 0.08 ppb (1) N/A 5.3 μg/m3 (22) 25.0
 
June 26, 2020, 11 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 34.0 ppb (26) 0.08 ppb (1) N/A 5.5 μg/m3 (23) 26.0
 
June 26, 2020, 10 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 34.0 ppb (26) 0.08 ppb (1) N/A 5.1 μg/m3 (21) 26.0
 
June 26, 2020, 9 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.08 ppb (1) N/A 4.7 μg/m3 (20) 30.0
 
June 26, 2020, 8 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.08 ppb (1) N/A 4.5 μg/m3 (19) 32.0
 
June 26, 2020, 7 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.09 ppb (1) N/A 4.6 μg/m3 (19) 32.0
 
June 26, 2020, 6 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) N/A 4.9 μg/m3 (20) 31.0
 
June 26, 2020, 5 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 38.0 ppb (29) 0.08 ppb (1) N/A 4.9 μg/m3 (20) 29.0
 
June 26, 2020, 4 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.09 ppb (1) N/A 5.0 μg/m3 (21) 30.0
 
June 26, 2020, 3 p.m. N/A -0.1 ppb (0) 0.8 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) N/A 4.9 μg/m3 (20) 31.0
 
June 26, 2020, 2 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) N/A 4.6 μg/m3 (19) 31.0
 
June 26, 2020, 1 p.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A 1.2 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 31.0
 
June 26, 2020, noon N/A 0.0 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 25.0
 
June 26, 2020, 11 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 34.0 ppb (26) 0.09 ppb (1) N/A 4.4 μg/m3 (18) 26.0
 
June 26, 2020, 10 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 34.0 ppb (26) 0.09 ppb (1) N/A 4.3 μg/m3 (18) 26.0
 
June 26, 2020, 9 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.09 ppb (1) N/A 4.3 μg/m3 (18) 28.0
 
June 26, 2020, 8 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 36.0 ppb (28) N/A N/A 4.4 μg/m3 (18) 28.0
 
June 26, 2020, 7 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.9 ppb (1) N/A 35.0 ppb (27) 0.08 ppb (1) N/A 4.6 μg/m3 (19) 27.0
 
June 26, 2020, 6 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) N/A 0.09 ppb (1) N/A 4.8 μg/m3 (20) 20.0
 
June 26, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.08 ppb (1) N/A 3.9 μg/m3 (16) 24.0
 
June 26, 2020, 4 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.5 ppb (0) 0.0 ppb (0) 30.0 ppb (23) 0.07 ppb (1) N/A 3.7 μg/m3 (15) 23.0
 
June 26, 2020, 3 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A 0.4 ppb (0) 0.0 ppb (0) 27.0 ppb (21) 0.07 ppb (1) N/A 3.6 μg/m3 (15) 21.0
 
June 26, 2020, 2 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A 0.4 ppb (0) 0.0 ppb (0) 30.0 ppb (23) 0.07 ppb (1) N/A 3.4 μg/m3 (14) 23.0
 
June 26, 2020, 1 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.6 ppb (1) 0.0 ppb (0) 29.0 ppb (22) 0.07 ppb (1) N/A 3.6 μg/m3 (15) 22.0
 
June 26, 2020, midnight N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 27.0 ppb (21) 0.07 ppb (1) N/A 3.6 μg/m3 (15) 21.0
 
June 25, 2020, 11 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.07 ppb (1) N/A 3.5 μg/m3 (15) 28.0
 
June 25, 2020, 10 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.07 ppb (1) N/A 3.5 μg/m3 (15) 30.0
 
June 25, 2020, 9 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.07 ppb (1) N/A 3.7 μg/m3 (15) 30.0
 
June 25, 2020, 8 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.07 ppb (1) N/A 3.8 μg/m3 (16) 31.0
 
June 25, 2020, 7 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.07 ppb (1) N/A 3.9 μg/m3 (16) 30.0
 
June 25, 2020, 6 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.08 ppb (1) N/A 4.0 μg/m3 (17) 30.0
 
June 25, 2020, 5 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 38.0 ppb (29) 0.08 ppb (1) N/A 4.4 μg/m3 (18) 29.0
 
June 25, 2020, 4 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 38.0 ppb (29) 0.08 ppb (1) N/A 4.6 μg/m3 (19) 29.0
 
June 25, 2020, 3 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.08 ppb (1) N/A 4.6 μg/m3 (19) 28.0
 
June 25, 2020, 2 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 38.0 ppb (29) 0.09 ppb (1) N/A 4.6 μg/m3 (19) 29.0
 
June 25, 2020, 1 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 38.0 ppb (29) 0.08 ppb (1) N/A 4.3 μg/m3 (18) 29.0
 
June 25, 2020, noon N/A 0.1 ppb (0) 1.1 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.08 ppb (1) N/A 4.1 μg/m3 (17) 28.0
 
June 25, 2020, 11 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 35.0 ppb (27) 0.08 ppb (1) N/A 4.2 μg/m3 (18) 27.0
 
June 25, 2020, 10 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 32.0 ppb (25) 0.08 ppb (1) N/A 4.1 μg/m3 (17) 25.0
 
June 25, 2020, 9 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 30.0 ppb (23) 0.08 ppb (1) N/A 3.9 μg/m3 (16) 23.0
 
June 25, 2020, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 30.0 ppb (23) N/A N/A 3.8 μg/m3 (16) 23.0
 
June 25, 2020, 7 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 32.0 ppb (25) 0.08 ppb (1) N/A 3.8 μg/m3 (16) 25.0
 
June 25, 2020, 6 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A 0.6 ppb (1) 0.0 ppb (0) N/A 0.08 ppb (1) N/A 3.7 μg/m3 (15) 15.0
 
June 25, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.08 ppb (1) N/A 3.4 μg/m3 (14) 25.0
 
June 25, 2020, 4 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.08 ppb (1) N/A 3.4 μg/m3 (14) 25.0
 
June 25, 2020, 3 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.08 ppb (1) N/A 3.6 μg/m3 (15) 28.0
 
June 25, 2020, 2 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.08 ppb (1) N/A 3.6 μg/m3 (15) 25.0
 
June 25, 2020, 1 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 35.0 ppb (27) 0.08 ppb (1) N/A 3.4 μg/m3 (14) 27.0
 
June 25, 2020, midnight N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 34.0 ppb (26) 0.08 ppb (1) N/A 3.2 μg/m3 (13) 26.0
 
June 24, 2020, 11 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 34.0 ppb (26) 0.08 ppb (1) N/A 3.0 μg/m3 (12) 26.0
 
June 24, 2020, 10 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 35.0 ppb (27) 0.09 ppb (1) N/A 2.6 μg/m3 (11) 27.0
 
June 24, 2020, 9 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 38.0 ppb (29) 0.09 ppb (1) N/A 2.8 μg/m3 (12) 29.0
 
June 24, 2020, 8 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) N/A 3.6 μg/m3 (15) 31.0
 
June 24, 2020, 7 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) N/A 4.1 μg/m3 (17) 31.0
 
June 24, 2020, 6 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.08 ppb (1) N/A 4.3 μg/m3 (18) 32.0
 
June 24, 2020, 5 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.08 ppb (1) N/A 4.1 μg/m3 (17) 30.0
 
June 24, 2020, 4 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 35.0 ppb (27) 0.08 ppb (1) N/A 4.2 μg/m3 (18) 27.0
 
June 24, 2020, 3 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A 3.8 μg/m3 (16) 25.0
 
June 24, 2020, 2 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.09 ppb (1) N/A 3.1 μg/m3 (13) 28.0
 
June 24, 2020, 1 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 28.0
 
June 24, 2020, noon N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) N/A 4.5 μg/m3 (19) 28.0
 
June 24, 2020, 11 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) N/A 1.3 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
June 24, 2020, 10 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) N/A 1.6 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
June 24, 2020, 9 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A 2.1 ppb (2) 0.0 ppb (0) 53.0 ppb (41) 0.15 ppb (2) N/A 9.2 μg/m3 (38) 41.0
 
June 24, 2020, 8 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A 1.9 ppb (2) 0.0 ppb (0) 55.0 ppb (42) N/A N/A 9.1 μg/m3 (38) 42.0
 
June 24, 2020, 7 a.m. N/A 0.0 ppb (0) 1.5 ppb (1) N/A 1.6 ppb (1) N/A 54.0 ppb (42) 0.14 ppb (2) N/A 8.4 μg/m3 (35) 42.0
 
June 24, 2020, 6 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) N/A 1.6 ppb (1) 0.0 ppb (0) N/A 0.14 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
June 24, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.15 ppb (2) N/A 8.4 μg/m3 (35) 45.0
 
June 24, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 43.0
 
June 24, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.14 ppb (2) N/A 7.4 μg/m3 (31) 42.0
 
June 24, 2020, 2 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) N/A 1.2 ppb (1) 0.0 ppb (0) 52.0 ppb (40) N/A N/A 6.9 μg/m3 (29) 40.0
 
June 24, 2020, 1 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) N/A 1.2 ppb (1) N/A 53.0 ppb (41) 0.12 ppb (1) N/A 7.1 μg/m3 (30) 41.0
 
June 24, 2020, midnight N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) N/A 0.12 ppb (1) N/A 6.9 μg/m3 (29) 29.0
 
June 23, 2020, 11 p.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A 1.1 ppb (1) 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) N/A 6.7 μg/m3 (28) 36.0
 
June 23, 2020, 10 p.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A 1.1 ppb (1) 0.0 ppb (0) 46.0 ppb (35) 0.12 ppb (1) N/A 6.7 μg/m3 (28) 35.0
 
June 23, 2020, 9 p.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A 1.1 ppb (1) 0.0 ppb (0) 49.0 ppb (38) 0.12 ppb (1) N/A 6.1 μg/m3 (25) 38.0
 
June 23, 2020, 8 p.m. N/A 0.0 ppb (0) 1.3 ppb (1) N/A 1.3 ppb (1) 0.0 ppb (0) 52.0 ppb (40) 0.11 ppb (1) N/A 5.6 μg/m3 (23) 40.0
 
June 23, 2020, 7 p.m. N/A 0.0 ppb (0) 1.5 ppb (1) N/A 1.5 ppb (1) 0.0 ppb (0) 50.0 ppb (38) 0.11 ppb (1) N/A 5.8 μg/m3 (24) 38.0
 
June 23, 2020, 6 p.m. N/A 0.0 ppb (0) 1.4 ppb (1) N/A 1.4 ppb (1) 0.0 ppb (0) 46.0 ppb (35) 0.11 ppb (1) N/A 6.1 μg/m3 (25) 35.0
 
June 23, 2020, 5 p.m. N/A 0.0 ppb (0) 1.5 ppb (1) N/A 1.5 ppb (1) 0.0 ppb (0) 54.0 ppb (42) 0.12 ppb (1) N/A 6.4 μg/m3 (27) 42.0
 
June 23, 2020, 4 p.m. N/A 0.0 ppb (0) 1.4 ppb (1) N/A 1.4 ppb (1) 0.0 ppb (0) 48.0 ppb (37) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 37.0
 
June 23, 2020, 3 p.m. N/A 0.0 ppb (0) 1.3 ppb (1) N/A 1.3 ppb (1) 0.0 ppb (0) 47.0 ppb (36) 0.11 ppb (1) N/A 6.2 μg/m3 (26) 36.0
 
June 23, 2020, 2 p.m. N/A 0.0 ppb (0) 1.4 ppb (1) N/A 1.4 ppb (1) 0.0 ppb (0) 44.0 ppb (34) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 34.0
 
June 23, 2020, 1 p.m. N/A 0.0 ppb (0) 1.4 ppb (1) N/A 1.4 ppb (1) 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) N/A 5.9 μg/m3 (25) 33.0
 
June 23, 2020, noon N/A 0.0 ppb (0) 1.5 ppb (1) N/A 1.4 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 5.5 μg/m3 (23) 28.0
 
June 23, 2020, 11 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) N/A 1.6 ppb (1) 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A 5.8 μg/m3 (24) 24.0
 
June 23, 2020, 10 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.8 ppb (2) 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 28.0
 
June 23, 2020, 9 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.8 ppb (2) 0.0 ppb (0) 43.0 ppb (33) 0.11 ppb (1) N/A 6.2 μg/m3 (26) 33.0
 
June 23, 2020, 8 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) N/A 1.2 ppb (1) 0.0 ppb (0) 40.0 ppb (31) N/A N/A 6.3 μg/m3 (26) 31.0
 
June 23, 2020, 7 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 35.0 ppb (27) 0.09 ppb (1) N/A 6.5 μg/m3 (27) 27.0
 
June 23, 2020, 6 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) N/A 0.1 ppb (1) N/A 6.4 μg/m3 (27) 27.0
 
June 23, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 6.1 μg/m3 (25) 25.0
 
June 23, 2020, 4 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 29.0 ppb (22) 0.09 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
June 23, 2020, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 32.0 ppb (25) 0.09 ppb (1) N/A 5.8 μg/m3 (24) 25.0
 
June 23, 2020, 2 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) 0.0 ppb (0) 29.0 ppb (22) 0.09 ppb (1) N/A 5.4 μg/m3 (23) 23.0
 
June 23, 2020, 1 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 26.0 ppb (20) 0.09 ppb (1) N/A 5.5 μg/m3 (23) 23.0
 
June 23, 2020, midnight N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 23.0 ppb (18) 0.08 ppb (1) N/A 5.1 μg/m3 (21) 21.0
 
June 22, 2020, 11 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A 5.0 μg/m3 (21) 23.0
 
June 22, 2020, 10 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 5.1 μg/m3 (21) 22.0
 
June 22, 2020, 9 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 5.3 μg/m3 (22) 25.0
 
June 22, 2020, 8 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) N/A 5.2 μg/m3 (22) 32.0
 
June 22, 2020, 7 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) N/A 5.1 μg/m3 (21) 32.0
 
June 22, 2020, 6 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) N/A 5.0 μg/m3 (21) 32.0