Arcata Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

Arcata

Humboldt County, California

2026-08-11 01:00

AQI (US)

Moderate

PM2.5

μg/m³

15

PM10

μg/m³

42

Weather

15℃

86%

3 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

Westhaven-Moonstone