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)
49
Good
Sanford, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.80 μg/m³
0
55
155
255
425
605+
31.55 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
2.35 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sanford, Maine
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AQI 52
Moderate
10.43μg/m³
PM2.5
24.23μg/m³
PM10
29.02ppb
O3
0.80ppb
SO2
2.42ppb
NO2
0.12ppm
CO
AQI 52
Moderate
10.40μg/m³
PM2.5
24.08μg/m³
PM10
29.00ppb
O3
0.80ppb
SO2
2.42ppb
NO2
0.12ppm
CO
AQI 52
Moderate
9.99μg/m³
PM2.5
41.33μg/m³
PM10
26.39ppb
O3
0.88ppb
SO2
2.17ppb
NO2
0.12ppm
CO
AQI 44
Good
8.31μg/m³
PM2.5
38.98μg/m³
PM10
26.32ppb
O3
0.82ppb
SO2
2.12ppb
NO2
0.12ppm
CO
AQI 52
Moderate
10.32μg/m³
PM2.5
29.08μg/m³
PM10
34.07ppb
O3
0.62ppb
SO2
2.73ppb
NO2
0.12ppm
CO
AQI 52
Moderate
10.28μg/m³
PM2.5
29.00μg/m³
PM10
33.47ppb
O3
0.58ppb
SO2
2.79ppb
NO2
0.12ppm
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 03:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in Sanford, Maine was observed at 08:00:00 on 2026-06-28.
As of now, the AQI in Sanford, Maine is 49, 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 9.212 μg/m3.
The PM10 concentration in Sanford, Maine is 39.803 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Sanford, Maine is 0.12 ppm.
Currently, Sanford, Maine has a sulfur dioxide (SO2) concentration of 0.793 ppb.
The current ozone (O3) level in Sanford, Maine at the moment is 31.548 ppm.
Nitrogen dioxide (NO2) level in Sanford, Maine at the moment is 2.348 ppb.
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