Stay updated with real-time air quality in Gorham, Maine 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)
21
Good
Gorham, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.18 μg/m³
0
55
155
255
425
605+
22.93 ppb
0
55
71
86
201
201+
0.97 ppb
0
36
76
186
605
1005+
7.16 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Gorham, Maine
Gorham, Maine
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AQI 29
Good
2.57μg/m³
PM2.5
4.77μg/m³
PM10
30.52ppb
O3
0.37ppb
SO2
3.23ppb
NO2
0.18ppm
CO
AQI 28
Good
2.99μg/m³
PM2.5
8.38μg/m³
PM10
29.58ppb
O3
0.61ppb
SO2
4.07ppb
NO2
0.17ppm
CO
AQI 27
Good
3.19μg/m³
PM2.5
7.76μg/m³
PM10
29.00ppb
O3
0.45ppb
SO2
3.63ppb
NO2
0.18ppm
CO
AQI 27
Good
2.25μg/m³
PM2.5
4.37μg/m³
PM10
28.52ppb
O3
0.14ppb
SO2
2.61ppb
NO2
0.18ppm
CO
AQI 28
Good
2.73μg/m³
PM2.5
6.30μg/m³
PM10
29.94ppb
O3
0.38ppb
SO2
3.23ppb
NO2
0.18ppm
CO
AQI 26
Good
2.27μg/m³
PM2.5
4.72μg/m³
PM10
27.88ppb
O3
0.17ppb
SO2
2.71ppb
NO2
0.18ppm
CO
Air quality and pollutant data for Maine, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Gorham, Maine is updated every hour for accuracy.
In the past 24 hours, the air quality in Gorham, Maine was at its worst at 09:00:00 on 2026-10-08.
In the last 24 hours, the best air quality in Gorham, Maine was observed at 03:00:00 on 2026-10-09.
As of now, the AQI in Gorham, Maine is 25, indicating Good conditions.
Gorham, Maine air has the highest levels of O3.
Poor air quality in Gorham, Maine means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Gorham, Maine are currently 3.158 μg/m3.
The PM10 concentration in Gorham, Maine is 7.628 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Gorham, Maine is 0.176 ppm.
Currently, Gorham, Maine has a sulfur dioxide (SO2) concentration of 0.52 ppb.
The current ozone (O3) level in Gorham, Maine at the moment is 26.919 ppm.
Nitrogen dioxide (NO2) level in Gorham, Maine at the moment is 4.574 ppb.
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