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)
20
Good
New Castle, New York
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.53 μg/m³
0
55
155
255
425
605+
21.99 ppb
0
55
71
86
201
201+
1.18 ppb
0
36
76
186
605
1005+
10.60 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
New Castle, New York
Scroll To Air Quality MapLoading...
AQI 20
Good
2.03μg/m³
PM2.5
11.73μg/m³
PM10
22.19ppb
O3
0.87ppb
SO2
8.32ppb
NO2
0.25ppm
CO
AQI 19
Good
2.03μg/m³
PM2.5
6.90μg/m³
PM10
20.52ppb
O3
1.37ppb
SO2
6.92ppb
NO2
0.26ppm
CO
AQI 19
Good
2.12μg/m³
PM2.5
8.62μg/m³
PM10
19.85ppb
O3
1.37ppb
SO2
10.88ppb
NO2
0.26ppm
CO
AQI 19
Good
2.54μg/m³
PM2.5
7.96μg/m³
PM10
20.14ppb
O3
0.81ppb
SO2
8.18ppb
NO2
0.25ppm
CO
AQI 19
Good
2.13μg/m³
PM2.5
8.23μg/m³
PM10
20.07ppb
O3
1.27ppb
SO2
9.80ppb
NO2
0.26ppm
CO
AQI 17
Good
2.92μg/m³
PM2.5
10.65μg/m³
PM10
18.29ppb
O3
0.84ppb
SO2
8.90ppb
NO2
0.25ppm
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 12:00:00 on 2025-10-21.
In the last 24 hours, the best air quality in New Castle, New York was observed at 01:00:00 on 2025-10-21.
As of now, the AQI in New Castle, New York is 20, indicating Good conditions.
New Castle, New York air has the highest levels of O3.
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 2.966 μg/m3.
The PM10 concentration in New Castle, New York is 7.525 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in New Castle, New York is 0.194 ppm.
Currently, New Castle, New York has a sulfur dioxide (SO2) concentration of 1.179 ppb.
The current ozone (O3) level in New Castle, New York at the moment is 21.99 ppm.
Nitrogen dioxide (NO2) level in New Castle, New York at the moment is 10.597 ppb.
All Rights Reserved © Ambee Inc. 2025