Stay updated with real-time air quality in Cornwall, New York 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)
49
Good
Cornwall, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.95 μg/m³
0
55
155
255
425
605+
36.94 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
4.33 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cornwall, New York
Cornwall, New York
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AQI 34
Good
4.56μg/m³
PM2.5
19.19μg/m³
PM10
37.34ppb
O3
1.03ppb
SO2
3.17ppb
NO2
0.27ppm
CO
AQI 35
Good
4.40μg/m³
PM2.5
19.00μg/m³
PM10
37.57ppb
O3
1.03ppb
SO2
3.12ppb
NO2
0.27ppm
CO
AQI 34
Good
4.54μg/m³
PM2.5
18.81μg/m³
PM10
37.19ppb
O3
1.02ppb
SO2
3.17ppb
NO2
0.27ppm
CO
AQI 38
Good
7.37μg/m³
PM2.5
29.25μg/m³
PM10
38.06ppb
O3
1.14ppb
SO2
3.43ppb
NO2
0.28ppm
CO
AQI 38
Good
7.28μg/m³
PM2.5
33.52μg/m³
PM10
38.01ppb
O3
1.10ppb
SO2
3.58ppb
NO2
0.28ppm
CO
AQI 33
Good
4.82μg/m³
PM2.5
18.40μg/m³
PM10
36.37ppb
O3
1.00ppb
SO2
3.27ppb
NO2
0.27ppm
CO
Air quality measurements for New York, 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 Cornwall, New York is updated on an hourly basis.
The worst air quality in Cornwall, New York was recorded at 12:00:00 on 2026-08-08.
The best air quality in Cornwall, New York was recorded at 11:00:00 on 2026-08-08.
The real-time air quality index in Cornwall, New York is 38, currently categorized as Good.
The most common pollutant in Cornwall, New York is PM2.5.
If the air quality in Cornwall, New York is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Cornwall, New York at present are 6.957 μg/m3.
The current PM10 levels in Cornwall, New York are 30.558 μg/m3.
The current carbon monoxide (CO) level in Cornwall, New York is 0.213 ppm.
The current sulfur dioxide (SO2) levels in Cornwall, New York are 0.816 ppb.
The current ozone (O3) levels at Cornwall, New York is 37.36 ppm.
The current nitrogen dioxide (NO2) levels at Cornwall, New York is 3.012 ppb.
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