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)
28
Good
Sanford, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.71 μg/m³
0
55
155
255
425
605+
30.21 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
21.34 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sanford, Maine
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AQI 27
Good
5.08μg/m³
PM2.5
20.15μg/m³
PM10
22.74ppb
O3
0.53ppb
SO2
19.40ppb
NO2
0.33ppm
CO
AQI 27
Good
4.88μg/m³
PM2.5
19.98μg/m³
PM10
22.00ppb
O3
0.52ppb
SO2
19.45ppb
NO2
0.32ppm
CO
AQI 27
Good
5.40μg/m³
PM2.5
16.18μg/m³
PM10
21.26ppb
O3
0.61ppb
SO2
18.05ppb
NO2
0.32ppm
CO
AQI 27
Good
4.93μg/m³
PM2.5
10.49μg/m³
PM10
29.40ppb
O3
0.58ppb
SO2
18.24ppb
NO2
0.31ppm
CO
AQI 38
Good
7.42μg/m³
PM2.5
18.95μg/m³
PM10
28.28ppb
O3
0.46ppb
SO2
22.43ppb
NO2
0.32ppm
CO
AQI 44
Good
7.79μg/m³
PM2.5
20.59μg/m³
PM10
29.22ppb
O3
0.45ppb
SO2
22.68ppb
NO2
0.32ppm
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 2026-03-10.
In the last 24 hours, the best air quality in Sanford, Maine was observed at 11:00:00 on 2026-03-10.
As of now, the AQI in Sanford, Maine is 28, 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 5.021 μg/m3.
The PM10 concentration in Sanford, Maine is 14.713 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Sanford, Maine is 0.311 ppm.
Currently, Sanford, Maine has a sulfur dioxide (SO2) concentration of 0.558 ppb.
The current ozone (O3) level in Sanford, Maine at the moment is 30.212 ppm.
Nitrogen dioxide (NO2) level in Sanford, Maine at the moment is 21.338 ppb.
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