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Live air quality index in North Castle, New York today

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)

52

Moderate

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North Castle, New York

Last updated: ... (Local time)

Major air pollutants in North Castle, New York

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

9.92 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

40.35 μg/m³

0

55

155

255

425

605+

Ozone (O3)

17.15 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.60 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

16.02 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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North Castle, New York

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North Castle, New York air quality map: Track AQI near you




How accurate is New York, USA air quality data?

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.


Frequently asked questions

How often is the air quality data for North Castle, New York updated?

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The air quality for North Castle, New York is updated every hour.


When was the worst air quality at North Castle, New York in the last 24 hrs?

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The worst air quality in North Castle, New York in the last 24 hours was observed at 09:00:00 on 2025-06-06.


When was the best air quality at North Castle, New York in the last 24 hrs?

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In the last 24 hrs, the best air quality in North Castle, New York was observed at 11:00:00 on 2025-06-07.


What is the current air quality in North Castle, New York?

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The current air quality in North Castle, New York is 52, categorized as Moderate based on real-time data.


What pollutant is the most common in North Castle, New York?

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The most common pollutant in North Castle, New York is PM2.5.


What should I do if the air quality in North Castle, New York is poor?

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If the air quality in North Castle, New York is poor, consider staying indoors and wearing a mask to protect yourself.


What is the current concentration of PM2.5 in North Castle, New York?

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The current PM2.5 concentration at North Castle, New York is 9.923 μg/m3.


What is the current concentration of PM10 in North Castle, New York?

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The current PM10 concentration at North Castle, New York is 40.347 μg/m3.


What is the current concentration of carbon monoxide (CO) in North Castle, New York?

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The current carbon monoxide (CO) concentration at North Castle, New York is 0.363 ppm.


What is the current concentration of sulfur dioxide (SO2) in North Castle, New York?

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The current sulfur dioxide (SO2) concentration at North Castle, New York is 0.602 ppb.


What is the current concentration of ozone (O3) in North Castle, New York?

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The current ozone (O3) concentration at North Castle, New York is 17.152 ppm.


What is the current concentration of nitrogen dioxide (NO2) in North Castle, New York?

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The current nitrogen dioxide (NO2) concentration at North Castle, New York is 16.019 ppb.


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