Which city has better air quality, Fresno or Juneau?
Juneau has better overall air quality with an average AQI of 30 ("Good") compared to Fresno's AQI of 89 ("Moderate"). That is a difference of 59 AQI points.
How does PM2.5 compare between Fresno and Juneau?
Juneau has a lower PM2.5 average at 5 μg/m³, while Fresno averages 16.8 μg/m³. The EPA annual standard is 12 μg/m³. Juneau meets the EPA standard while Fresno exceeds it.
Which city has more good air quality days, Fresno or Juneau?
Juneau has 85% good air quality days compared to 22% in Fresno. That means residents of Juneau enjoy clean air about 63 percentage points more often.
How does wildfire risk compare between Fresno and Juneau?
Fresno has a very high wildfire risk while Juneau has a low risk. Juneau may experience less wildfire smoke impact on air quality.
What are the primary pollutants in Fresno vs Juneau?
Fresno's primary pollutant is PM2.5 (ozone avg 59 ppb), while Juneau's is PM2.5 (ozone avg 20 ppb). Both cities share the same primary pollutant, though concentrations differ.