ID: 2833

AQSQID: 560391013

Site Name: Yellowstone- Old Faithful Snow Lodge

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

Updated: July 2, 2022, 4:38 a.m.

Location: Yellowstone National Park (82190), WY

Reporting: True, Located: True

Current AQI: 38.0

Yellowstone National Park (82190) WY, US: 44.373056, -110.830833

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 2, 2022, 3 a.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
July 2, 2022, 2 a.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 2, 2022, 2 a.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 2, 2022, 1 a.m. 1.9 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 2, 2022, midnight 1.7 ppb (2) 0.4 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
 
July 2, 2022, midnight 1.7 ppb (2) 0.4 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
 
July 1, 2022, 11 p.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 1, 2022, 11 p.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 1, 2022, 10 p.m. 1.5 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
July 1, 2022, 10 p.m. 1.5 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
July 1, 2022, 9 p.m. 1.4 ppb (2) 0.4 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
 
July 1, 2022, 9 p.m. 1.4 ppb (2) 0.4 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
 
July 1, 2022, 9 p.m. 1.4 ppb (2) 0.4 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
 
July 1, 2022, 8 p.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 1, 2022, 7 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 1, 2022, 4 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 1, 2022, 2 p.m. 2.4 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 1, 2022, 1 p.m. 3.2 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 1, 2022, noon 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 1, 2022, 10 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
July 1, 2022, 7 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
July 1, 2022, 7 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
July 1, 2022, 7 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
July 1, 2022, 6 a.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
July 1, 2022, 3 a.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
July 1, 2022, 3 a.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
July 1, 2022, 2 a.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
July 1, 2022, 2 a.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
July 1, 2022, midnight 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 11 p.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 10 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 9 p.m. 1.3 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 9 p.m. 1.3 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 7 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 7 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 6 p.m. 1.1 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 3 p.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 10 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 30, 2022, 8 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 30, 2022, 6 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
June 30, 2022, 6 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
June 30, 2022, 5 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 4 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 4 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, 3 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 30, 2022, 2 a.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 30, 2022, 2 a.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 30, 2022, 1 a.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 30, 2022, midnight 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 29, 2022, 11 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 29, 2022, 11 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 29, 2022, 10 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 29, 2022, 10 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 29, 2022, 9 p.m. 1.8 ppb (2) 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
 
June 29, 2022, 4 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 29, 2022, 1 p.m. 1.7 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 29, 2022, noon 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 29, 2022, noon 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 29, 2022, 10 a.m. 1.1 ppb (2) 0.4 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
 
June 29, 2022, 10 a.m. 1.1 ppb (2) 0.4 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
 
June 29, 2022, 8 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 29, 2022, 7 a.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 29, 2022, 7 a.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 29, 2022, 2 a.m. 1.1 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 28, 2022, 11 p.m. 3.4 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 28, 2022, 10 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 10 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 9 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 28, 2022, 8 p.m. 2.4 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 28, 2022, 8 p.m. 2.4 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 28, 2022, 7 p.m. 1.6 ppb (2) 0.5 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
 
June 28, 2022, 7 p.m. 1.6 ppb (2) 0.5 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
 
June 28, 2022, 11 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 10 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 8 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, 8 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, 8 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, 7 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 28, 2022, 6 a.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, 5 a.m. 1.9 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 28, 2022, 2 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 1 a.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 28, 2022, 1 a.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 28, 2022, midnight 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
June 28, 2022, midnight 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
June 27, 2022, 11 p.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
June 27, 2022, 11 p.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
June 27, 2022, 10 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 27, 2022, 10 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 27, 2022, 9 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 27, 2022, 9 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 27, 2022, 8 p.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 27, 2022, 8 p.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 27, 2022, 8 p.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 27, 2022, 4 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 4 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 1 p.m. 2.9 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, noon 2.5 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2022, 11 a.m. 2.3 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 27, 2022, 11 a.m. 2.3 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 27, 2022, 10 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 27, 2022, 10 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 27, 2022, 9 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
June 27, 2022, 6 a.m. 0.8 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 5 a.m. 2.4 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2022, 4 a.m. 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2022, 3 a.m. 2.0 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 2 a.m. 1.4 ppb (2) 0.0 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
 
June 27, 2022, 1 a.m. 0.6 ppb (1) 0.0 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
 
June 27, 2022, midnight 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 26, 2022, 10 p.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 26, 2022, 9 p.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
June 26, 2022, 8 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
June 26, 2022, 5 p.m. 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 26, 2022, 4 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 26, 2022, 3 p.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 26, 2022, 11 a.m. 1.5 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 26, 2022, 11 a.m. 1.5 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 26, 2022, 10 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 26, 2022, 10 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 26, 2022, 10 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 26, 2022, 9 a.m. 0.8 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 26, 2022, 8 a.m. 0.4 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 26, 2022, 8 a.m. 0.4 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 26, 2022, 7 a.m. 0.5 ppb (1) 0.0 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
 
June 26, 2022, 5 a.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
June 26, 2022, 5 a.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
June 26, 2022, midnight 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 26, 2022, midnight 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 11 p.m. 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
June 25, 2022, 10 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 3 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 3 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 3 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 2 p.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 2 p.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 2 p.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 2 p.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 1 p.m. 2.5 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 25, 2022, 11 a.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 10 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 25, 2022, 9 a.m. 0.7 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 25, 2022, 3 a.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 25, 2022, 1 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 25, 2022, 1 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 25, 2022, midnight 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 10 p.m. 0.8 ppb (1) 0.1 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
 
June 24, 2022, 9 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 24, 2022, 8 p.m. 2.3 ppb (3) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 24, 2022, 7 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 7 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 3 p.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 2 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 1 p.m. 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, noon 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, 11 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, 11 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, 10 a.m. 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 8 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 24, 2022, 6 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, 6 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, 4 a.m. 1.3 ppb (2) 0.3 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
 
June 24, 2022, 2 a.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, 1 a.m. 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, midnight 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 23, 2022, 11 p.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 23, 2022, 10 p.m. 1.8 ppb (2) 0.4 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