Stay updated with real-time air quality in South Hill, Washington featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
52
Moderate
South Hill, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.82 μg/m³
0
55
155
255
425
605+
6.26 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
16.24 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Hill, Washington
South Hill, Washington
Scroll To Air Quality MapLoading...
AQI 52
Moderate
10.48μg/m³
PM2.5
36.29μg/m³
PM10
4.81ppb
O3
0.41ppb
SO2
11.83ppb
NO2
0.35ppm
CO
AQI 52
Moderate
10.47μg/m³
PM2.5
46.91μg/m³
PM10
4.17ppb
O3
0.43ppb
SO2
15.57ppb
NO2
0.36ppm
CO
AQI 44
Good
8.49μg/m³
PM2.5
31.82μg/m³
PM10
7.29ppb
O3
0.39ppb
SO2
12.38ppb
NO2
0.34ppm
CO
AQI 54
Moderate
10.54μg/m³
PM2.5
47.24μg/m³
PM10
4.51ppb
O3
0.42ppb
SO2
14.58ppb
NO2
0.36ppm
CO
AQI 54
Moderate
10.57μg/m³
PM2.5
47.37μg/m³
PM10
4.62ppb
O3
0.41ppb
SO2
14.25ppb
NO2
0.36ppm
CO
AQI 54
Moderate
11.09μg/m³
PM2.5
49.79μg/m³
PM10
3.63ppb
O3
0.44ppb
SO2
16.94ppb
NO2
0.36ppm
CO
Air quality measurements for Washington, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for South Hill, Washington is updated on an hourly basis.
The worst air quality in South Hill, Washington was recorded at 03:00:00 on 2026-10-08.
The best air quality in South Hill, Washington was recorded at 01:00:00 on 2026-10-08.
The real-time air quality index in South Hill, Washington is 54, currently categorized as Moderate.
The most common pollutant in South Hill, Washington is PM2.5.
If the air quality in South Hill, Washington is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in South Hill, Washington at present are 10.549 μg/m3.
The current PM10 levels in South Hill, Washington are 19.816 μg/m3.
The current carbon monoxide (CO) level in South Hill, Washington is 0.351 ppm.
The current sulfur dioxide (SO2) levels in South Hill, Washington are 0.425 ppb.
The current ozone (O3) levels at South Hill, Washington is 4.106 ppm.
The current nitrogen dioxide (NO2) levels at South Hill, Washington is 17.233 ppb.
All Rights Reserved © Ambee Inc. 2025