Which city has better air quality, Honolulu or Montpelier?
Honolulu has better overall air quality with an average AQI of 28 ("Good") compared to Montpelier's AQI of 30 ("Good"). That is a difference of 2 AQI points.
How does PM2.5 compare between Honolulu and Montpelier?
Honolulu has a lower PM2.5 average at 4.5 μg/m³, while Montpelier averages 5.2 μg/m³. The EPA annual standard is 12 μg/m³. Both cities meet the EPA standard.
Which city has more good air quality days, Honolulu or Montpelier?
Honolulu has 88% good air quality days compared to 84% in Montpelier. That means residents of Honolulu enjoy clean air about 4 percentage points more often.
How does wildfire risk compare between Honolulu and Montpelier?
Honolulu has a low wildfire risk while Montpelier has a low risk. Both cities face similar wildfire smoke exposure levels.
What are the primary pollutants in Honolulu vs Montpelier?
Honolulu's primary pollutant is PM2.5 (ozone avg 24 ppb), while Montpelier's is PM2.5 (ozone avg 28 ppb). Both cities share the same primary pollutant, though concentrations differ.