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)
24
Good
Sanford, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.54 μg/m³
0
55
155
255
425
605+
26.16 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
2.60 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sanford, Maine
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AQI 26
Good
0.30μg/m³
PM2.5
1.55μg/m³
PM10
27.83ppb
O3
0.64ppb
SO2
2.12ppb
NO2
0.15ppm
CO
AQI 26
Good
0.27μg/m³
PM2.5
1.55μg/m³
PM10
27.82ppb
O3
0.64ppb
SO2
2.12ppb
NO2
0.15ppm
CO
AQI 26
Good
0.30μg/m³
PM2.5
1.55μg/m³
PM10
27.73ppb
O3
0.66ppb
SO2
2.10ppb
NO2
0.15ppm
CO
AQI 25
Good
0.32μg/m³
PM2.5
1.52μg/m³
PM10
27.39ppb
O3
0.67ppb
SO2
2.10ppb
NO2
0.15ppm
CO
AQI 25
Good
0.59μg/m³
PM2.5
1.91μg/m³
PM10
27.00ppb
O3
0.63ppb
SO2
2.11ppb
NO2
0.15ppm
CO
AQI 26
Good
0.58μg/m³
PM2.5
2.49μg/m³
PM10
27.71ppb
O3
0.63ppb
SO2
2.11ppb
NO2
0.15ppm
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 2025-10-31.
In the last 24 hours, the best air quality in Sanford, Maine was observed at 09:00:00 on 2025-10-31.
As of now, the AQI in Sanford, Maine is 25, 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 0.279 μg/m3.
The PM10 concentration in Sanford, Maine is 1.539 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Sanford, Maine is 0.149 ppm.
Currently, Sanford, Maine has a sulfur dioxide (SO2) concentration of 0.648 ppb.
The current ozone (O3) level in Sanford, Maine at the moment is 27.035 ppm.
Nitrogen dioxide (NO2) level in Sanford, Maine at the moment is 2.11 ppb.
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