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)
19
Good
South Hill, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.08 μg/m³
0
55
155
255
425
605+
19.84 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
12.52 ppb
0
54
101
361
1250
2050+
0.34 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 16
Good
2.62μg/m³
PM2.5
10.08μg/m³
PM10
14.46ppb
O3
0.48ppb
SO2
11.17ppb
NO2
0.34ppm
CO
AQI 33
Good
5.66μg/m³
PM2.5
25.12μg/m³
PM10
17.39ppb
O3
0.48ppb
SO2
13.88ppb
NO2
0.35ppm
CO
AQI 11
Good
2.45μg/m³
PM2.5
9.39μg/m³
PM10
12.48ppb
O3
0.49ppb
SO2
10.16ppb
NO2
0.33ppm
CO
AQI 38
Good
7.33μg/m³
PM2.5
32.85μg/m³
PM10
18.38ppb
O3
0.48ppb
SO2
13.43ppb
NO2
0.35ppm
CO
AQI 44
Good
7.85μg/m³
PM2.5
35.29μg/m³
PM10
18.66ppb
O3
0.48ppb
SO2
13.30ppb
NO2
0.35ppm
CO
AQI 14
Good
1.80μg/m³
PM2.5
7.37μg/m³
PM10
15.47ppb
O3
0.48ppb
SO2
14.30ppb
NO2
0.34ppm
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 2025-12-12.
The best air quality in South Hill, Washington was recorded at 03:00:00 on 2025-12-12.
The real-time air quality index in South Hill, Washington is 19, 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 2.632 μg/m3.
The current PM10 levels in South Hill, Washington are 10.076 μg/m3.
The current carbon monoxide (CO) level in South Hill, Washington is 0.34 ppm.
The current sulfur dioxide (SO2) levels in South Hill, Washington are 0.484 ppb.
The current ozone (O3) levels at South Hill, Washington is 19.835 ppm.
The current nitrogen dioxide (NO2) levels at South Hill, Washington is 12.524 ppb.
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