CityFunIndex

Honolulu, HI · the CityFunIndex

Air quality in Honolulu

Honolulu ranks T#7 of 134 US cities for clean air, with a clean-air score of 95 — Exceptional. That puts it in the 96th percentile nationally and #1 of 1 in Hawaii.

clean-air score
95
Exceptional
National rank
T#7 of 134
In Hawaii
#1 of 1
Percentile
96th

The typical city scores 50 for clean air; Honolulu sits 45 points above the median.

How air quality is measured

Recent particulate matter and ozone levels — a trailing-week air-quality average.

The clean-air score is the flip side of our air quality measure — 100 minus the raw air quality score — so a city with less of it scores higher.

Data sources: EPA AirNow and OpenAQ pollution readings (seven-day trailing average).

Full methodology → Glossary The raw measurement is part of the Data plan →

Ranked around Honolulu

  1. #5 Montgomery, AL 97
  2. #6 Park City, UT 96
  3. T#7 Honolulu, HI — this page 95
  4. #9 Bridgeport, CT 94
  5. #10 Asheville, NC 93

See the full leaderboard — Cities with the cleanest air →

Top US cities for clean air

  1. #1 Anchorage, AK 100
  2. #2 Bend, OR 99
  3. T#3 Lubbock, TX 98
  4. T#3 Telluride, CO 98
  5. #5 Montgomery, AL 97

More about Honolulu

Honolulu scores 86 overall (Exceptional) on the CityFunIndex. Its strongest factors: