ID: 7815

AQSQID: 371310003

Site Name: Northampton

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

Updated: Sept. 24, 2020, 12:40 a.m.

Location: Gaston (Hurricane Dr), NC

Reporting: True, Located: True

Current AQI: 33.0

Gaston (Hurricane Dr) NC, US: 36.511708, -77.655389

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 23, 2020, 11 p.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 23, 2020, 10 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 9 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 8 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 23, 2020, 7 p.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 23, 2020, 6 p.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 5 p.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 4 p.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 3 p.m. 0.8 ppb (1) 0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 2 p.m. 0.8 ppb (1) 0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 1 p.m. 1.2 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, noon 1.0 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 11 a.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 10 a.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 9 a.m. 0.8 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 8 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 6 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 5 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 4 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 3 a.m. 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
Sept. 23, 2020, 2 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, 1 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 23, 2020, midnight 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 22, 2020, 11 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 22, 2020, 10 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 22, 2020, 9 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A
Sept. 22, 2020, 8 p.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A
Sept. 22, 2020, 7 p.m. 0.4 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A
Sept. 22, 2020, 6 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A
Sept. 22, 2020, 5 p.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 22, 2020, 4 p.m. 1.0 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 22, 2020, 3 p.m. 1.2 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 22, 2020, 2 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 22, 2020, 1 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 2.0
 
Sept. 22, 2020, noon 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 2.0
 
Sept. 22, 2020, 11 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 22, 2020, 10 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 22, 2020, 9 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 2.0
 
Sept. 22, 2020, 8 a.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 22, 2020, 6 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 22, 2020, 5 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 22, 2020, 4 a.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 22, 2020, 3 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 22, 2020, 2 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 22, 2020, 1 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
Sept. 22, 2020, midnight 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
Sept. 21, 2020, 11 p.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 21, 2020, 10 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 21, 2020, 9 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2020, 8 p.m. 0.4 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2020, 7 p.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2020, 6 p.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 21, 2020, 5 p.m. 0.5 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2020, 4 p.m. 0.4 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 21, 2020, 3 p.m. 0.5 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2020, 2 p.m. 1.3 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2020, 1 p.m. 1.3 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2020, noon 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 21, 2020, 11 a.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 21, 2020, 10 a.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 21, 2020, 9 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 21, 2020, 8 a.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2020, 6 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 21, 2020, 5 a.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2020, 4 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 21, 2020, 3 a.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2020, 2 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 21, 2020, 1 a.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
Sept. 21, 2020, midnight 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 20, 2020, 11 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
Sept. 20, 2020, 10 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 20, 2020, 9 p.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 20, 2020, 8 p.m. 0.3 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 20, 2020, 7 p.m. 0.3 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 20, 2020, 6 p.m. 0.3 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 20, 2020, 5 p.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2020, 4 p.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 20, 2020, 3 p.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 20, 2020, 2 p.m. 1.4 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2020, 1 p.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 20, 2020, noon 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 20, 2020, 11 a.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 20, 2020, 10 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2020, 9 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 20, 2020, 8 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 20, 2020, 6 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 20, 2020, 5 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 20, 2020, 4 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 20, 2020, 3 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 20, 2020, 2 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
Sept. 20, 2020, 1 a.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 20, 2020, midnight 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 19, 2020, 11 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
Sept. 19, 2020, 10 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 19, 2020, 9 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2020, 8 p.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 19, 2020, 7 p.m. 0.5 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 6 p.m. 0.5 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 5 p.m. 0.7 ppb (1) 0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 19, 2020, 4 p.m. 0.9 ppb (1) 0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 3 p.m. 1.0 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 19, 2020, 2 p.m. 1.1 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
Sept. 19, 2020, 1 p.m. 1.3 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, noon 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 19, 2020, 11 a.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 19, 2020, 10 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 19, 2020, 9 a.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 8 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 6 a.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 5 a.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 4 a.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2020, 3 a.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 2 a.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 1 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, midnight 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 11 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 10 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2020, 9 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 8 p.m. 0.7 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 18, 2020, 7 p.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 6 p.m. 0.7 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 18, 2020, 5 p.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 4 p.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 18, 2020, 3 p.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 2 p.m. 0.7 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 18, 2020, 1 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 18, 2020, noon 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 11 a.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 10 a.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2020, 9 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
Sept. 18, 2020, 8 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 18, 2020, 6 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 18, 2020, 5 a.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) N/A
Sept. 18, 2020, 4 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
Sept. 18, 2020, 3 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 18, 2020, 2 a.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
Sept. 18, 2020, 1 a.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
Sept. 18, 2020, midnight 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 17, 2020, 11 p.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 2.0
 
Sept. 17, 2020, 10 p.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.0
 
Sept. 17, 2020, 9 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 17, 2020, 8 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 17, 2020, 7 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 17, 2020, 6 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2020, 5 p.m. 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 17, 2020, 4 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 17, 2020, 3 p.m. 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2020, 2 p.m. 1.1 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2020, 1 p.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 17, 2020, noon 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2020, 11 a.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2020, 10 a.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2020, 9 a.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2020, 8 a.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2020, 6 a.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2020, 5 a.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2020, 4 a.m. 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 17, 2020, 3 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2020, 2 a.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2020, 1 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 17, 2020, midnight 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2020, 11 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0