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)
30
Good
South Hill, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.71 μg/m³
0
55
155
255
425
605+
31.58 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
5.16 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Hill, Washington
South Hill, Washington
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AQI 28
Good
1.27μg/m³
PM2.5
9.00μg/m³
PM10
29.57ppb
O3
0.24ppb
SO2
6.50ppb
NO2
0.17ppm
CO
AQI 28
Good
2.39μg/m³
PM2.5
10.86μg/m³
PM10
30.12ppb
O3
0.24ppb
SO2
6.17ppb
NO2
0.18ppm
CO
AQI 29
Good
1.29μg/m³
PM2.5
8.98μg/m³
PM10
30.90ppb
O3
0.24ppb
SO2
6.64ppb
NO2
0.17ppm
CO
AQI 28
Good
2.80μg/m³
PM2.5
12.77μg/m³
PM10
30.33ppb
O3
0.24ppb
SO2
6.21ppb
NO2
0.18ppm
CO
AQI 28
Good
2.92μg/m³
PM2.5
13.32μg/m³
PM10
30.38ppb
O3
0.24ppb
SO2
6.23ppb
NO2
0.18ppm
CO
AQI 28
Good
1.88μg/m³
PM2.5
7.81μg/m³
PM10
29.98ppb
O3
0.24ppb
SO2
6.09ppb
NO2
0.18ppm
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 11:00:00 on 2025-10-24.
The best air quality in South Hill, Washington was recorded at 03:00:00 on 2025-10-25.
The real-time air quality index in South Hill, Washington is 28, currently categorized as Good.
The most common pollutant in South Hill, Washington is O3.
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 1.257 μg/m3.
The current PM10 levels in South Hill, Washington are 9.008 μg/m3.
The current carbon monoxide (CO) level in South Hill, Washington is 0.175 ppm.
The current sulfur dioxide (SO2) levels in South Hill, Washington are 0.238 ppb.
The current ozone (O3) levels at South Hill, Washington is 29.717 ppm.
The current nitrogen dioxide (NO2) levels at South Hill, Washington is 6.428 ppb.
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