Maine, USA live air quality index now
Stay updated with real-time air quality in Maine, USA featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
54
Moderate
Maine, USA
Last updated: ... (Local time)
Major air pollutants in Maine, USA
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
11.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
35.74 μg/m³
0
55
155
255
425
605+
Ozone (O3)
23.14 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
1.30 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
4.30 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Maine, USA
Maine, USA
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Air quality in cities of Maine, USA
| No results found | |||||||
| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
Air quality in nearby states
Vermont, USA
AQI 56
Moderate
12.07μg/m³
PM2.5
40.21μg/m³
PM10
15.74ppb
O3
0.42ppb
SO2
3.68ppb
NO2
0.34ppm
CO
New Hampshire, USA
AQI 49
Good
9.12μg/m³
PM2.5
34.40μg/m³
PM10
20.08ppb
O3
0.95ppb
SO2
5.77ppb
NO2
0.33ppm
CO
Massachusetts, USA
AQI 52
Moderate
9.53μg/m³
PM2.5
37.86μg/m³
PM10
23.36ppb
O3
0.41ppb
SO2
8.77ppb
NO2
0.30ppm
CO
Rhode Island, USA
AQI 52
Moderate
9.87μg/m³
PM2.5
38.89μg/m³
PM10
28.98ppb
O3
0.28ppb
SO2
9.28ppb
NO2
0.28ppm
CO
Connecticut, USA
AQI 52
Moderate
10.29μg/m³
PM2.5
31.11μg/m³
PM10
23.32ppb
O3
0.29ppb
SO2
10.09ppb
NO2
0.31ppm
CO
New York, USA
AQI 56
Moderate
11.52μg/m³
PM2.5
53.78μg/m³
PM10
19.15ppb
O3
0.71ppb
SO2
12.00ppb
NO2
0.38ppm
CO
How accurate is Maine, USA air quality data?
Air quality data and pollutant measurements for Maine, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
Frequently asked questions
How often is the air quality data for Maine, USA updated?
The air quality for Maine, USA is updated every hour.
When was the worst air quality at Maine, USA in the last 24 hrs?
The worst air quality in Maine, USA in the last 24 hours was observed at 05:00:00 on 2025-07-29.
When was the best air quality at Maine, USA in the last 24 hrs?
In the last 24 hrs, the best air quality in Maine, USA was observed at 01:00:00 on 2025-07-30.
What is the current air quality in Maine, USA?
The current air quality in Maine, USA is 52, categorized as Moderate based on real-time data.
What pollutant is the most common in Maine, USA?
The most common pollutant in Maine, USA is PM2.5.
What should I do if the air quality in Maine, USA is poor?
If the air quality in Maine, USA is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Maine, USA?
The current PM2.5 concentration at Maine, USA is 10.202 μg/m3.
What is the current concentration of PM10 in Maine, USA?
The current PM10 concentration at Maine, USA is 34.168 μg/m3.
What is the current concentration of carbon monoxide (CO) in Maine, USA?
The current carbon monoxide (CO) concentration at Maine, USA is 0.317 ppm.
What is the current concentration of sulfur dioxide (SO2) in Maine, USA?
The current sulfur dioxide (SO2) concentration at Maine, USA is 0.866 ppb.
What is the current concentration of ozone (O3) in Maine, USA?
The current ozone (O3) concentration at Maine, USA is 20.006 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Maine, USA?
The current nitrogen dioxide (NO2) concentration at Maine, USA is 4.916 ppb.
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