Air Quality in Honolulu, HI
Real-time AQI data for the Honolulu area
Last updated: 1/23/2026, 9:26:34 PM
11
Good
Good
Air quality is considered satisfactory, and air pollution poses little or no risk.
Health Advisory
None
5-Day Air Quality Forecast
Honolulu, HI
Today
30
Good
Sat, Jan 24
9
Good
Sun, Jan 25
7
Good
Mon, Jan 26
20
Good
Tue, Jan 27
3
Good
Current Conditions
Dominant Pollutant
O3Ground-level Ozone
Air Quality IndexAQI 11
Reporting AreaHonolulu
AQI Scale
0-50: Good
51-100: Moderate
101-150: Unhealthy for Sensitive Groups
151-200: Unhealthy
201-300: Very Unhealthy
301-500: Hazardous
About Air Quality in Honolulu
The Air Quality Index (AQI) in Honolulu, Hawaii is currently 11, which is considered good. The dominant pollutant today is Ground-level Ozone.
Who Should Be Concerned?
- People with asthma or respiratory conditions
- Children and older adults
- People who work or exercise outdoors
- Anyone with heart disease
How to Protect Yourself
- Check the AQI before planning outdoor activities
- Limit strenuous outdoor exercise when AQI is unhealthy
- Keep windows closed and use air conditioning with a clean filter
- Consider using a portable air purifier with HEPA filter
- Wear an N95 mask during very poor air quality conditions
Common Pollutants
- PM2.5: Tiny particles less than 2.5 micrometers that can penetrate deep into lungs and bloodstream.
- PM10: Particles between 2.5 and 10 micrometers, including dust, pollen, and mold.
- Ozone: A harmful gas created by chemical reactions between pollutants in sunlight.
- NO2: A reddish-brown gas from burning fuel, can irritate airways.
- CO: A colorless, odorless gas from incomplete combustion.
- SO2: A gas from burning fossil fuels, can affect breathing.
Health Resources
Improve Indoor Air Quality
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