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)
56
Moderate
York, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.84 μg/m³
0
55
155
255
425
605+
28.46 ppb
0
55
71
86
201
201+
1.07 ppb
0
36
76
186
605
1005+
2.20 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
York, Maine
York, Maine
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AQI 56
Moderate
12.09μg/m³
PM2.5
23.18μg/m³
PM10
24.39ppb
O3
0.51ppb
SO2
3.33ppb
NO2
0.12ppm
CO
AQI 56
Moderate
12.09μg/m³
PM2.5
23.14μg/m³
PM10
24.29ppb
O3
0.51ppb
SO2
3.33ppb
NO2
0.12ppm
CO
AQI 54
Moderate
11.04μg/m³
PM2.5
23.95μg/m³
PM10
26.00ppb
O3
0.75ppb
SO2
4.05ppb
NO2
0.12ppm
CO
AQI 54
Moderate
11.09μg/m³
PM2.5
29.57μg/m³
PM10
25.27ppb
O3
0.69ppb
SO2
3.36ppb
NO2
0.12ppm
CO
AQI 54
Moderate
10.61μg/m³
PM2.5
34.66μg/m³
PM10
25.64ppb
O3
0.70ppb
SO2
3.43ppb
NO2
0.12ppm
CO
AQI 54
Moderate
11.18μg/m³
PM2.5
28.14μg/m³
PM10
25.08ppb
O3
0.68ppb
SO2
3.25ppb
NO2
0.12ppm
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 03:00:00 on 2026-06-29.
The best air quality in York, Maine was recorded at 01:00:00 on 2026-06-29.
The real-time air quality index in York, Maine is 56, currently categorized as Moderate.
The most common pollutant in York, Maine is PM2.5.
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 11.632 μg/m3.
The current PM10 levels in York, Maine are 23.839 μg/m3.
The current carbon monoxide (CO) level in York, Maine is 0.122 ppm.
The current sulfur dioxide (SO2) levels in York, Maine are 1.069 ppb.
The current ozone (O3) levels at York, Maine is 28.464 ppm.
The current nitrogen dioxide (NO2) levels at York, Maine is 2.2 ppb.
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