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)
29
Good
Sanford, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.08 μg/m³
0
55
155
255
425
605+
31.42 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
2.62 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 29
Good
1.91μg/m³
PM2.5
17.06μg/m³
PM10
30.98ppb
O3
0.76ppb
SO2
2.60ppb
NO2
0.16ppm
CO
AQI 29
Good
1.86μg/m³
PM2.5
17.08μg/m³
PM10
31.00ppb
O3
0.79ppb
SO2
2.63ppb
NO2
0.16ppm
CO
AQI 30
Good
1.86μg/m³
PM2.5
11.67μg/m³
PM10
31.69ppb
O3
0.88ppb
SO2
2.70ppb
NO2
0.16ppm
CO
AQI 29
Good
1.79μg/m³
PM2.5
11.67μg/m³
PM10
31.47ppb
O3
0.87ppb
SO2
2.70ppb
NO2
0.16ppm
CO
AQI 30
Good
1.78μg/m³
PM2.5
5.42μg/m³
PM10
32.19ppb
O3
0.54ppb
SO2
2.39ppb
NO2
0.16ppm
CO
AQI 29
Good
1.78μg/m³
PM2.5
5.37μg/m³
PM10
31.50ppb
O3
0.50ppb
SO2
2.35ppb
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 11:00:00 on 2026-10-05.
In the last 24 hours, the best air quality in Sanford, Maine was observed at 03:00:00 on 2026-10-05.
As of now, the AQI in Sanford, Maine is 29, indicating Good conditions.
Sanford, Maine air has the highest levels of O3.
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 1.842 μg/m3.
The PM10 concentration in Sanford, Maine is 15.082 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 0.807 ppb.
The current ozone (O3) level in Sanford, Maine at the moment is 31.423 ppm.
Nitrogen dioxide (NO2) level in Sanford, Maine at the moment is 2.624 ppb.
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