Stay updated with real-time air quality in New 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)
49
Good
New Castle, New York
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.47 μg/m³
0
55
155
255
425
605+
28.58 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
5.34 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
New Castle, New York
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AQI 44
Good
7.67μg/m³
PM2.5
13.45μg/m³
PM10
28.60ppb
O3
0.59ppb
SO2
7.13ppb
NO2
0.35ppm
CO
AQI 54
Moderate
10.92μg/m³
PM2.5
42.64μg/m³
PM10
27.93ppb
O3
0.58ppb
SO2
4.93ppb
NO2
0.37ppm
CO
AQI 49
Good
9.10μg/m³
PM2.5
40.41μg/m³
PM10
25.67ppb
O3
0.64ppb
SO2
10.93ppb
NO2
0.37ppm
CO
AQI 44
Good
8.27μg/m³
PM2.5
35.86μg/m³
PM10
30.38ppb
O3
0.54ppb
SO2
4.84ppb
NO2
0.35ppm
CO
AQI 52
Moderate
9.70μg/m³
PM2.5
44.16μg/m³
PM10
27.07ppb
O3
0.62ppb
SO2
11.39ppb
NO2
0.36ppm
CO
AQI 44
Good
7.63μg/m³
PM2.5
27.81μg/m³
PM10
32.97ppb
O3
0.63ppb
SO2
14.23ppb
NO2
0.34ppm
CO
Air quality and pollutant data for New York, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for New Castle, New York is updated every hour for accuracy.
In the past 24 hours, the air quality in New Castle, New York was at its worst at 10:00:00 on 2025-06-06.
In the last 24 hours, the best air quality in New Castle, New York was observed at 05:00:00 on 2025-06-07.
As of now, the AQI in New Castle, New York is 49, indicating Good conditions.
New Castle, New York air has the highest levels of PM2.5.
Poor air quality in New Castle, New York means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in New Castle, New York are currently 8.946 μg/m3.
The PM10 concentration in New Castle, New York is 13.475 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in New Castle, New York is 0.358 ppm.
Currently, New Castle, New York has a sulfur dioxide (SO2) concentration of 0.573 ppb.
The current ozone (O3) level in New Castle, New York at the moment is 28.578 ppm.
Nitrogen dioxide (NO2) level in New Castle, New York at the moment is 5.342 ppb.
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