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)
17
Good
South Hill, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.15 μg/m³
0
55
155
255
425
605+
18.20 ppb
0
55
71
86
201
201+
0.13 ppb
0
36
76
186
605
1005+
2.74 ppb
0
54
101
361
1250
2050+
0.11 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 14
Good
2.42μg/m³
PM2.5
7.50μg/m³
PM10
15.26ppb
O3
0.14ppb
SO2
2.79ppb
NO2
0.11ppm
CO
AQI 19
Good
2.99μg/m³
PM2.5
12.43μg/m³
PM10
20.16ppb
O3
0.13ppb
SO2
2.92ppb
NO2
0.11ppm
CO
AQI 16
Good
2.56μg/m³
PM2.5
7.63μg/m³
PM10
15.91ppb
O3
0.14ppb
SO2
2.88ppb
NO2
0.12ppm
CO
AQI 19
Good
3.43μg/m³
PM2.5
14.84μg/m³
PM10
19.99ppb
O3
0.12ppb
SO2
3.05ppb
NO2
0.10ppm
CO
AQI 22
Good
3.67μg/m³
PM2.5
15.99μg/m³
PM10
19.77ppb
O3
0.12ppb
SO2
3.25ppb
NO2
0.10ppm
CO
AQI 19
Good
2.30μg/m³
PM2.5
8.11μg/m³
PM10
20.42ppb
O3
0.13ppb
SO2
2.54ppb
NO2
0.11ppm
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 01:00:00 on 2026-07-10.
The best air quality in South Hill, Washington was recorded at 08:00:00 on 2026-07-11.
The real-time air quality index in South Hill, Washington is 17, 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 2.372 μg/m3.
The current PM10 levels in South Hill, Washington are 8.148 μg/m3.
The current carbon monoxide (CO) level in South Hill, Washington is 0.113 ppm.
The current sulfur dioxide (SO2) levels in South Hill, Washington are 0.134 ppb.
The current ozone (O3) levels at South Hill, Washington is 18.204 ppm.
The current nitrogen dioxide (NO2) levels at South Hill, Washington is 2.741 ppb.
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