Maine
28 monitoring stations · readings from 46 to 52
Average AQI
Air quality in Maine
Air quality in Maine is currently 48 on the AQI scale, which falls in the Good band. That number is the average across every monitoring station reporting in Maine right now.
We aggregate 28 stations across Maine. Individual stations range from 46 at the cleanest to 52 at the worst, so conditions vary across Maine — the local figure matters more than the average.
Maine breaks down into 16 cities you can open individually. Of those listed below, Madawaska is reading highest at 52 and Portland lowest at 46.
Readings refresh hourly from the official monitoring networks we track. Conditions can still change quickly, so check back before planning time outdoors.
What to do at good levels
Outdoor activity
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside.
Sensitive groups
Children, older adults and people with asthma or heart conditions can go about their day as normal.
Indoor air
Open the windows. Outdoor air is currently cleaner than typical indoor air, so ventilating helps.
Cities in Maine
16 cities
Madawaska
Moderate
- Stations
- 1
- Range
- 52–52
50Bangor
Good
- Stations
- 2
- Range
- 50–50
Bethel
Good
- Stations
- 1
- Range
- 50–50
50Presque Isle
Good
- Stations
- 6
- Range
- 50–50
50Rumford
Good
- Stations
- 2
- Range
- 50–50
Auburn
Good
- Stations
- 1
- Range
- 47–47
Augusta
Good
- Stations
- 1
- Range
- 47–47
Durham
Good
- Stations
- 1
- Range
- 47–47
Gardiner
Good
- Stations
- 1
- Range
- 47–47
46Bar Harbor
Good
- Stations
- 3
- Range
- 46–46
Cape Elizabeth
Good
- Stations
- 1
- Range
- 46–46
Lewiston
Good
- Stations
- 1
- Range
- 46–46
46Portland
Good
- Stations
- 4
- Range
- 46–46
Prospect Harbor
Good
- Stations
- 1
- Range
- 46–46
Shapleigh
Good
- Stations
- 1
- Range
- 46–46
St George
Good
- Stations
- 1
- Range
- 46–46
About Maine
Coordinates
44.825, -69.261
Centroid of monitored stations
Stations
28
Reporting in this area
Spread
46 – 52
Cleanest to worst station reading
Other regions nearby
Maine air quality, answered
Maine is currently reading an AQI of 48, which is Good. It is the average across 28 reporting stations.
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside. Children, older adults and people with asthma or heart conditions can go about their day as normal.
48 sits in the Good band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 28 stations in Maine, reading between 46 and 52.
Of the cities currently listed for Maine, Madawaska is reading highest at 52 (Moderate).
Hourly. We pull from the official monitoring networks that publish for this region, and this page refreshes on the same cadence.
See Maine on the map.
Every station around it, live — or find out what today's reading means for you personally.