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)
44
Good
Maine, USA
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.48 μg/m³
0
55
155
255
425
605+
39.56 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
4.43 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Maine, USA
Maine, USA
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City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
---|
AQI 33
Good
5.86μg/m³
PM2.5
25.48μg/m³
PM10
32.26ppb
O3
0.80ppb
SO2
3.22ppb
NO2
0.20ppm
CO
AQI 44
Good
7.51μg/m³
PM2.5
18.66μg/m³
PM10
34.67ppb
O3
1.08ppb
SO2
8.37ppb
NO2
0.17ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
25.93μg/m³
PM10
37.46ppb
O3
0.60ppb
SO2
7.16ppb
NO2
0.24ppm
CO
AQI 38
Good
6.42μg/m³
PM2.5
30.51μg/m³
PM10
41.02ppb
O3
0.54ppb
SO2
9.95ppb
NO2
0.33ppm
CO
AQI 44
Good
7.85μg/m³
PM2.5
26.37μg/m³
PM10
42.26ppb
O3
0.45ppb
SO2
7.60ppb
NO2
0.34ppm
CO
AQI 38
Good
6.98μg/m³
PM2.5
30.02μg/m³
PM10
39.19ppb
O3
0.44ppb
SO2
4.94ppb
NO2
0.32ppm
CO
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
The air quality for Maine, USA is updated every hour.
The worst air quality in Maine, USA in the last 24 hours was observed at 05:00:00 on 2025-07-01.
In the last 24 hrs, the best air quality in Maine, USA was observed at 11:00:00 on 2025-06-30.
The current air quality in Maine, USA is 44, categorized as Good based on real-time data.
The most common pollutant in Maine, USA is PM2.5.
If the air quality in Maine, USA is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Maine, USA is 8.282 μg/m3.
The current PM10 concentration at Maine, USA is 19.905 μg/m3.
The current carbon monoxide (CO) concentration at Maine, USA is 0.194 ppm.
The current sulfur dioxide (SO2) concentration at Maine, USA is 0.8 ppb.
The current ozone (O3) concentration at Maine, USA is 30.059 ppm.
The current nitrogen dioxide (NO2) concentration at Maine, USA is 5.35 ppb.
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