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)
32
Good
New Castle, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.47 μg/m³
0
55
155
255
425
605+
34.80 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
1.54 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
New Castle, New York
Scroll To Air Quality MapLoading...
AQI 33
Good
5.53μg/m³
PM2.5
24.14μg/m³
PM10
33.79ppb
O3
0.36ppb
SO2
1.67ppb
NO2
0.17ppm
CO
AQI 29
Good
5.43μg/m³
PM2.5
27.19μg/m³
PM10
30.72ppb
O3
0.39ppb
SO2
2.23ppb
NO2
0.17ppm
CO
AQI 33
Good
6.04μg/m³
PM2.5
27.26μg/m³
PM10
33.55ppb
O3
0.42ppb
SO2
2.32ppb
NO2
0.17ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
23.11μg/m³
PM10
30.55ppb
O3
0.35ppb
SO2
1.77ppb
NO2
0.17ppm
CO
AQI 33
Good
5.64μg/m³
PM2.5
25.39μg/m³
PM10
33.54ppb
O3
0.40ppb
SO2
2.06ppb
NO2
0.17ppm
CO
AQI 32
Good
4.11μg/m³
PM2.5
17.78μg/m³
PM10
35.38ppb
O3
0.32ppb
SO2
1.68ppb
NO2
0.17ppm
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 04:00:00 on 2026-01-24.
In the last 24 hours, the best air quality in New Castle, New York was observed at 02:00:00 on 2026-01-24.
As of now, the AQI in New Castle, New York is 33, 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 5.664 μg/m3.
The PM10 concentration in New Castle, New York is 24.082 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in New Castle, New York is 0.168 ppm.
Currently, New Castle, New York has a sulfur dioxide (SO2) concentration of 0.374 ppb.
The current ozone (O3) level in New Castle, New York at the moment is 32.244 ppm.
Nitrogen dioxide (NO2) level in New Castle, New York at the moment is 1.682 ppb.
All Rights Reserved © Ambee Inc. 2025