Live air quality index in New Castle, Indiana today
Stay updated with real-time air quality in New Castle, Indiana 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)
77
Moderate
New Castle, Indiana
Last updated: ... (Local time)
Major air pollutants in New Castle, Indiana
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
22.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
94.62 μg/m³
0
55
155
255
425
605+
Ozone (O3)
43.34 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
1.02 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
4.31 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
New Castle, Indiana
New Castle, Indiana
Scroll To Air Quality Map
Track live New Castle, Indiana air quality forecast and history
New Castle Loading...
New Castle, Indiana air quality map: Real-time AQI near you
Air quality in nearby cities
Muncie, Indiana
AQI 75
Moderate
22.30μg/m³
PM2.5
97.02μg/m³
PM10
41.58ppb
O3
0.80ppb
SO2
5.44ppb
NO2
0.28ppm
CO
Yorktown, Indiana
AQI 77
Moderate
23.00μg/m³
PM2.5
90.66μg/m³
PM10
41.69ppb
O3
0.75ppb
SO2
5.33ppb
NO2
0.29ppm
CO
Anderson, Indiana
AQI 75
Moderate
21.96μg/m³
PM2.5
95.57μg/m³
PM10
44.67ppb
O3
0.78ppb
SO2
5.16ppb
NO2
0.30ppm
CO
Connersville, Indiana
AQI 77
Moderate
22.91μg/m³
PM2.5
101.35μg/m³
PM10
43.27ppb
O3
0.87ppb
SO2
5.83ppb
NO2
0.27ppm
CO
Greenfield, Indiana
AQI 77
Moderate
23.32μg/m³
PM2.5
76.53μg/m³
PM10
42.46ppb
O3
0.62ppb
SO2
4.89ppb
NO2
0.32ppm
CO
Richmond, Indiana
AQI 77
Moderate
22.57μg/m³
PM2.5
85.63μg/m³
PM10
43.65ppb
O3
0.92ppb
SO2
5.93ppb
NO2
0.24ppm
CO
How accurate is Indiana, USA air quality data?
Air quality measurements for Indiana, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Frequently asked questions
How frequently is the air quality data for New Castle, Indiana updated?
Air quality data for New Castle, Indiana is updated on an hourly basis.
When did New Castle, Indiana experience the worst air quality in the last 24 hours?
The worst air quality in New Castle, Indiana was recorded at 02:00:00 on 2025-06-04.
When did New Castle, Indiana have its best air quality in the last 24 hours?
The best air quality in New Castle, Indiana was recorded at 06:00:00 on 2025-06-03.
What is the real-time air quality index for New Castle, Indiana?
The real-time air quality index in New Castle, Indiana is 77, currently categorized as Moderate.
Which pollutant is found most often in New Castle, Indiana?
The most common pollutant in New Castle, Indiana is PM2.5.
What can I do if the air quality in New Castle, Indiana is poor?
If the air quality in New Castle, Indiana is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in New Castle, Indiana?
The measured PM2.5 levels in New Castle, Indiana at present are 22.76 μg/m3.
What are the current PM10 levels at New Castle, Indiana?
The current PM10 levels in New Castle, Indiana are 94.621 μg/m3.
What are the current carbon monoxide (CO) levels at New Castle, Indiana?
The current carbon monoxide (CO) level in New Castle, Indiana is 0.236 ppm.
What are the current sulfur dioxide (SO2) levels at New Castle, Indiana?
The current sulfur dioxide (SO2) levels in New Castle, Indiana are 1.016 ppb.
What are the current ozone (O3) levels at New Castle, Indiana?
The current ozone (O3) levels at New Castle, Indiana is 43.344 ppm.
What are the current nitrogen dioxide (NO2) levels at New Castle, Indiana?
The current nitrogen dioxide (NO2) levels at New Castle, Indiana is 4.31 ppb.
All Rights Reserved © Ambee Inc. 2025