St. Helens Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

St. Helens

Columbia County, Oregon

2025-03-17 09:00

AQI (China)

Excellent

PM2.5

μg/m³

3.6

Weather

3℃

93%

0 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

Get the App

Air Matters

Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby