What is the air quality like in Honolulu?
Honolulu has an average AQI of 28, which falls in the "Good" category. About 88% of days have Good air quality, 10% are Moderate, and 2% are Unhealthy for Sensitive Groups. The primary pollutant is PM2.5.
What is the main pollutant in Honolulu?
The primary pollutant in Honolulu is PM2.5. The city's average PM2.5 level is 4.5 μg/m³ (below the EPA annual standard of 12 μg/m³). Average ozone levels are 24 ppb. Major pollution sources include vehicles, military, vog (volcanic).
Is Honolulu affected by wildfire smoke?
Honolulu has a low wildfire risk rating. Wildfire smoke rarely impacts air quality here.
How many good air quality days does Honolulu have?
Approximately 88% of days in Honolulu have Good air quality (AQI 0-50). This means the majority of the year has clean, breathable air.
When is pollen season in Honolulu's state (HI)?
Pollen seasons in HI include: Tree Pollen (Year-round–Year-round, Low severity); Grass Pollen (Year-round–Year-round, Moderate severity); Weed Pollen (Year-round–Year-round, Low severity); Mold Spores (Year-round–Year-round, High severity). Allergy sufferers should monitor pollen counts during these periods and consider staying indoors on high-pollen days, especially during morning hours when counts peak.