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)
44
Good
Sanford, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.97 μg/m³
0
55
155
255
425
605+
42.86 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
3.73 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sanford, Maine
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AQI 44
Good
8.48μg/m³
PM2.5
43.87μg/m³
PM10
45.84ppb
O3
0.45ppb
SO2
4.13ppb
NO2
0.16ppm
CO
AQI 44
Good
8.49μg/m³
PM2.5
46.90μg/m³
PM10
46.00ppb
O3
0.46ppb
SO2
4.17ppb
NO2
0.16ppm
CO
AQI 44
Good
7.51μg/m³
PM2.5
23.05μg/m³
PM10
41.49ppb
O3
0.50ppb
SO2
4.19ppb
NO2
0.15ppm
CO
AQI 36
Good
3.93μg/m³
PM2.5
14.56μg/m³
PM10
38.80ppb
O3
0.54ppb
SO2
3.44ppb
NO2
0.15ppm
CO
AQI 52
Moderate
9.80μg/m³
PM2.5
50.68μg/m³
PM10
43.61ppb
O3
0.41ppb
SO2
4.17ppb
NO2
0.16ppm
CO
AQI 52
Moderate
9.81μg/m³
PM2.5
51.56μg/m³
PM10
46.34ppb
O3
0.40ppb
SO2
4.78ppb
NO2
0.16ppm
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 05:00:00 on 2026-06-11.
In the last 24 hours, the best air quality in Sanford, Maine was observed at 06:00:00 on 2026-06-11.
As of now, the AQI in Sanford, Maine is 44, 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 7.968 μg/m3.
The PM10 concentration in Sanford, Maine is 28.97 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Sanford, Maine is 0.158 ppm.
Currently, Sanford, Maine has a sulfur dioxide (SO2) concentration of 0.482 ppb.
The current ozone (O3) level in Sanford, Maine at the moment is 42.857 ppm.
Nitrogen dioxide (NO2) level in Sanford, Maine at the moment is 3.731 ppb.
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