Honolulu Air Quality Index (AQI) and Air Pollution

The Honolulu Air Quality Index (AQI) today is 38 (Good). The dominant pollutant is O3. Other measured pollutants include NO₂ (0.1 ppb), SO₂ (0.1 ppb), CO (0.073 ppm), O₃ (0.041 ppm), PM10 (5µg/m³), PM2.5 (1.3 µg/m³), contributing to air pollution.

Live AQI

38(US-AQI)

Air Quality is

Good

Main Pollutant: O3

Last updated: just now

Good
Moderate
Poor
Unhealthy
Severe
Hazardous
0
50
100
150
200
300301+
Current Air Quality Index (AQI) Honolulu
27°C
67%
20 Km/h

Major Pollutants Honolulu

PM2.5
Good

1.3 µg/m³

PM10
Good

5 µg/m³

O₃
Good

0.041 ppm

CO
Good

0.073 ppm

NO₂
Good

0.1 ppb

SO₂
Good

0.1 ppb

In Honolulu, the main air pollutant is O3. It mostly comes from Ozone forms when sunlight reacts with gases from vehicles and industries. It can irritate the lungs and throat and make it difficult to breathe especially for people with asthma. To stay safe, Try to avoid outdoor exercise during afternoon hours when ozone levels are usually high.

Explore Air Quality in Popular Hawaii Cities

Frequently Asked Questions about Air Quality Honolulu

Share on