Stay updated with real-time air quality in York, 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
York, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.39 μg/m³
0
55
155
255
425
605+
24.37 ppb
0
55
71
86
201
201+
0.83 ppb
0
36
76
186
605
1005+
2.66 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
York, Maine
York, Maine
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AQI 18
Good
0.40μg/m³
PM2.5
4.99μg/m³
PM10
19.01ppb
O3
0.80ppb
SO2
1.45ppb
NO2
0.15ppm
CO
AQI 18
Good
0.40μg/m³
PM2.5
5.00μg/m³
PM10
19.01ppb
O3
0.80ppb
SO2
1.45ppb
NO2
0.15ppm
CO
AQI 29
Good
0.37μg/m³
PM2.5
3.38μg/m³
PM10
30.62ppb
O3
0.73ppb
SO2
1.46ppb
NO2
0.15ppm
CO
AQI 23
Good
0.36μg/m³
PM2.5
4.92μg/m³
PM10
24.61ppb
O3
0.75ppb
SO2
1.46ppb
NO2
0.15ppm
CO
AQI 23
Good
0.35μg/m³
PM2.5
4.91μg/m³
PM10
24.67ppb
O3
0.74ppb
SO2
1.46ppb
NO2
0.15ppm
CO
AQI 23
Good
0.36μg/m³
PM2.5
4.90μg/m³
PM10
25.03ppb
O3
0.75ppb
SO2
1.46ppb
NO2
0.15ppm
CO
Air quality measurements for Maine, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for York, Maine is updated on an hourly basis.
The worst air quality in York, Maine was recorded at 05:00:00 on 2025-10-31.
The best air quality in York, Maine was recorded at 11:00:00 on 2025-10-31.
The real-time air quality index in York, Maine is 18, currently categorized as Good.
The most common pollutant in York, Maine is O3.
If the air quality in York, Maine is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in York, Maine at present are 0.398 μg/m3.
The current PM10 levels in York, Maine are 4.745 μg/m3.
The current carbon monoxide (CO) level in York, Maine is 0.149 ppm.
The current sulfur dioxide (SO2) levels in York, Maine are 0.785 ppb.
The current ozone (O3) levels at York, Maine is 19.398 ppm.
The current nitrogen dioxide (NO2) levels at York, Maine is 1.433 ppb.
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