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)
42
Good
Maine, USA
Last updated: ... (Local time)
Major air pollutants in Maine, USA
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
5.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
16.61 μg/m³
0
55
155
255
425
605+
Ozone (O3)
44.85 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.33 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
5.99 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.16 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 44
Good
5.73μg/m³
PM2.5
22.93μg/m³
PM10
48.40ppb
O3
0.31ppb
SO2
2.15ppb
NO2
0.12ppm
CO
New Hampshire, USA
AQI 44
Good
4.78μg/m³
PM2.5
18.21μg/m³
PM10
47.45ppb
O3
0.55ppb
SO2
3.28ppb
NO2
0.14ppm
CO
Massachusetts, USA
AQI 46
Good
4.59μg/m³
PM2.5
18.23μg/m³
PM10
50.41ppb
O3
0.50ppb
SO2
4.33ppb
NO2
0.20ppm
CO
Rhode Island, USA
AQI 49
Good
2.61μg/m³
PM2.5
11.47μg/m³
PM10
53.09ppb
O3
0.33ppb
SO2
7.02ppb
NO2
0.24ppm
CO
Connecticut, USA
AQI 49
Good
5.05μg/m³
PM2.5
18.94μg/m³
PM10
52.51ppb
O3
0.36ppb
SO2
7.54ppb
NO2
0.25ppm
CO
New York, USA
AQI 44
Good
6.24μg/m³
PM2.5
26.68μg/m³
PM10
48.03ppb
O3
1.74ppb
SO2
5.14ppb
NO2
0.20ppm
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 12:00:00 on 2026-06-09.
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 04:00:00 on 2026-06-09.
What is the current air quality in Maine, USA?
The current air quality in Maine, USA is 39, categorized as Good based on real-time data.
What pollutant is the most common in Maine, USA?
The most common pollutant in Maine, USA is O3.
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 4.97 μg/m3.
What is the current concentration of PM10 in Maine, USA?
The current PM10 concentration at Maine, USA is 15.248 μg/m3.
What is the current concentration of carbon monoxide (CO) in Maine, USA?
The current carbon monoxide (CO) concentration at Maine, USA is 0.15 ppm.
What is the current concentration of sulfur dioxide (SO2) in Maine, USA?
The current sulfur dioxide (SO2) concentration at Maine, USA is 0.497 ppb.
What is the current concentration of ozone (O3) in Maine, USA?
The current ozone (O3) concentration at Maine, USA is 42.428 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Maine, USA?
The current nitrogen dioxide (NO2) concentration at Maine, USA is 3.837 ppb.
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