Particle Pollution - 24 Hour Learn More Grade: B How is my grade calculated? Weighted Average: 0.3 Change Since 2000:
2.8
0.3
fewer days this year
Particle Pollution - Annual Learn More Grade: Pass How is my grade calculated? Design Value 7.1 Change Since 2000:
4.9
7.1
µg/m3
Groups At Risk Learn More Total Population: 983,429 Risks to the population Pediatric Asthma: 27,286 Risks to people with Asthma Adult Asthma: 72,889 Risks to people with Asthma COPD: 35,239 Risks to people with COPD Cardiovascular Disease: 51,567 Risks to people with Cardiovascular Disease Diabetes: 62,180Risks to people with Diabetes Children Under 18: 213,373 Risks to children and teens Adults 65 & Over: 152,308 Risks to older adults Poverty Estimate: 91,757Risks to people with low incomes

The air you breathe needs your support.

You can make a difference in the air that you breathe.

Tell your friends about the air where you live.

  • Ranked 1 for cleanest metropolitan areas in the country for Ozone
  • Ranked 71 for 24-hour particle pollution out of 220 metropolitan areas
  • Ranked 23 for cleanest metropolitan areas in the country for annual particle pollution

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Honolulu, HI

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Honolulu, HI

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Honolulu, HI

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Honolulu, HI

ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

Honolulu, HI

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Honolulu, HI

PASSFAILDNCINC
Groups At Risk
Total Population: Risks to the population
Pediatric Asthma: Risks to people with Asthma
Adult Asthma: Risks to people with Asthma
COPD: Risks to people with COPD
Cardiovascular Disease: Risks to people with Cardiovascular Disease
Diabetes: Risks to people with Diabetes
Children Under 18: Risks to children and teens
Adults 65 & Over: Risks to older adults
Poverty Estimate: Risks to people with low incomes

More about Methodology.

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