Stay updated with real-time air quality in North Castle, 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)
54
Moderate
North Castle, New York
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.31 μg/m³
0
55
155
255
425
605+
28.29 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
9.50 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
North Castle, New York
North Castle, New York
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AQI 66
Moderate
16.61μg/m³
PM2.5
61.39μg/m³
PM10
32.29ppb
O3
0.76ppb
SO2
4.25ppb
NO2
0.41ppm
CO
AQI 71
Moderate
20.31μg/m³
PM2.5
66.29μg/m³
PM10
36.24ppb
O3
0.79ppb
SO2
4.29ppb
NO2
0.41ppm
CO
AQI 66
Moderate
16.03μg/m³
PM2.5
86.48μg/m³
PM10
33.19ppb
O3
0.75ppb
SO2
4.25ppb
NO2
0.41ppm
CO
AQI 58
Moderate
13.16μg/m³
PM2.5
60.96μg/m³
PM10
51.47ppb
O3
0.85ppb
SO2
5.89ppb
NO2
0.41ppm
CO
AQI 58
Moderate
12.51μg/m³
PM2.5
57.59μg/m³
PM10
53.01ppb
O3
0.85ppb
SO2
5.00ppb
NO2
0.41ppm
CO
AQI 71
Moderate
19.52μg/m³
PM2.5
85.75μg/m³
PM10
47.35ppb
O3
0.79ppb
SO2
5.34ppb
NO2
0.41ppm
CO
Air quality data and pollutant measurements for New York, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for North Castle, New York is updated every hour.
The worst air quality in North Castle, New York in the last 24 hours was observed at 09:00:00 on 2025-07-30.
In the last 24 hrs, the best air quality in North Castle, New York was observed at 04:00:00 on 2025-07-31.
The current air quality in North Castle, New York is 66, categorized as Moderate based on real-time data.
The most common pollutant in North Castle, New York is PM2.5.
If the air quality in North Castle, New York is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at North Castle, New York is 16.653 μg/m3.
The current PM10 concentration at North Castle, New York is 68.443 μg/m3.
The current carbon monoxide (CO) concentration at North Castle, New York is 0.439 ppm.
The current sulfur dioxide (SO2) concentration at North Castle, New York is 0.75 ppb.
The current ozone (O3) concentration at North Castle, New York is 43.928 ppm.
The current nitrogen dioxide (NO2) concentration at North Castle, New York is 6.046 ppb.
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