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

St. Helens

Columbia County, Oregon

2026-09-19 22:00

AQI (US)

Good

PM2.5

μg/m³

8.6

Weather

23℃

58%

7 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