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)
22
Good
Sanford, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.25 μg/m³
0
55
155
255
425
605+
21.74 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
2.78 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 22
Good
3.83μg/m³
PM2.5
10.84μg/m³
PM10
23.18ppb
O3
1.13ppb
SO2
2.91ppb
NO2
0.15ppm
CO
AQI 22
Good
3.51μg/m³
PM2.5
9.40μg/m³
PM10
23.69ppb
O3
1.15ppb
SO2
2.88ppb
NO2
0.15ppm
CO
AQI 22
Good
3.54μg/m³
PM2.5
9.29μg/m³
PM10
21.74ppb
O3
1.16ppb
SO2
2.89ppb
NO2
0.15ppm
CO
AQI 22
Good
3.54μg/m³
PM2.5
10.18μg/m³
PM10
22.27ppb
O3
1.10ppb
SO2
2.89ppb
NO2
0.15ppm
CO
AQI 27
Good
4.55μg/m³
PM2.5
19.05μg/m³
PM10
23.27ppb
O3
1.10ppb
SO2
2.94ppb
NO2
0.15ppm
CO
AQI 27
Good
4.60μg/m³
PM2.5
18.54μg/m³
PM10
21.87ppb
O3
1.08ppb
SO2
2.90ppb
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 05:00:00 on 2026-11-12.
In the last 24 hours, the best air quality in Sanford, Maine was observed at 02:00:00 on 2026-11-12.
As of now, the AQI in Sanford, Maine is 22, 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 3.512 μg/m3.
The PM10 concentration in Sanford, Maine is 9.252 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Sanford, Maine is 0.15 ppm.
Currently, Sanford, Maine has a sulfur dioxide (SO2) concentration of 1.132 ppb.
The current ozone (O3) level in Sanford, Maine at the moment is 21.738 ppm.
Nitrogen dioxide (NO2) level in Sanford, Maine at the moment is 2.777 ppb.
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