Stay updated with real-time air quality in Sanford, 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)
38
Good
Sanford, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.46 μg/m³
0
55
155
255
425
605+
31.79 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
3.40 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sanford, Maine
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AQI 49
Good
8.52μg/m³
PM2.5
31.97μg/m³
PM10
30.94ppb
O3
0.74ppb
SO2
5.60ppb
NO2
0.22ppm
CO
AQI 49
Good
8.61μg/m³
PM2.5
33.20μg/m³
PM10
31.00ppb
O3
0.74ppb
SO2
5.54ppb
NO2
0.22ppm
CO
AQI 49
Good
8.62μg/m³
PM2.5
38.10μg/m³
PM10
29.90ppb
O3
0.79ppb
SO2
5.07ppb
NO2
0.22ppm
CO
AQI 44
Good
8.18μg/m³
PM2.5
28.94μg/m³
PM10
30.49ppb
O3
0.79ppb
SO2
4.95ppb
NO2
0.22ppm
CO
AQI 38
Good
7.23μg/m³
PM2.5
23.01μg/m³
PM10
29.55ppb
O3
0.65ppb
SO2
7.42ppb
NO2
0.22ppm
CO
AQI 38
Good
7.18μg/m³
PM2.5
21.06μg/m³
PM10
29.11ppb
O3
0.63ppb
SO2
7.52ppb
NO2
0.22ppm
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 Sanford, Maine is updated every hour for accuracy.
In the past 24 hours, the air quality in Sanford, Maine was at its worst at 02:00:00 on 2026-02-11.
In the last 24 hours, the best air quality in Sanford, Maine was observed at 10:00:00 on 2026-02-11.
As of now, the AQI in Sanford, Maine is 38, indicating Good conditions.
Sanford, Maine air has the highest levels of PM2.5.
Poor air quality in Sanford, Maine means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Sanford, Maine are currently 6.867 μg/m3.
The PM10 concentration in Sanford, Maine is 18.456 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Sanford, Maine is 0.219 ppm.
Currently, Sanford, Maine has a sulfur dioxide (SO2) concentration of 0.748 ppb.
The current ozone (O3) level in Sanford, Maine at the moment is 31.785 ppm.
Nitrogen dioxide (NO2) level in Sanford, Maine at the moment is 3.396 ppb.
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