Stay updated with real-time air quality in New Castle City, Pennsylvania 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)
62
Moderate
New Castle City, Pennsylvania
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
14.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
59.85 μg/m³
0
55
155
255
425
605+
33.46 ppb
0
55
71
86
201
201+
1.28 ppb
0
36
76
186
605
1005+
6.28 ppb
0
54
101
361
1250
2050+
0.42 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
New Castle City, Pennsylvania
New Castle City, Pennsylvania
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AQI 58
Moderate
12.96μg/m³
PM2.5
54.43μg/m³
PM10
36.89ppb
O3
1.55ppb
SO2
5.61ppb
NO2
0.44ppm
CO
AQI 60
Moderate
13.52μg/m³
PM2.5
58.42μg/m³
PM10
26.17ppb
O3
1.71ppb
SO2
6.28ppb
NO2
0.44ppm
CO
AQI 58
Moderate
13.09μg/m³
PM2.5
22.18μg/m³
PM10
25.04ppb
O3
2.00ppb
SO2
6.32ppb
NO2
0.43ppm
CO
AQI 60
Moderate
13.56μg/m³
PM2.5
59.60μg/m³
PM10
26.10ppb
O3
1.71ppb
SO2
6.31ppb
NO2
0.44ppm
CO
AQI 54
Moderate
11.22μg/m³
PM2.5
30.39μg/m³
PM10
25.72ppb
O3
1.70ppb
SO2
6.28ppb
NO2
0.39ppm
CO
AQI 67
Moderate
18.43μg/m³
PM2.5
61.87μg/m³
PM10
32.10ppb
O3
1.51ppb
SO2
6.49ppb
NO2
0.44ppm
CO
The air quality data for Pennsylvania, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for New Castle City, Pennsylvania are available every hour.
New Castle City, Pennsylvania experienced its worst air quality at 01:00:00, 2025-06-05.
The best air quality in New Castle City, Pennsylvania was observed at 05:00:00 on 2025-06-06.
The air quality in New Castle City, Pennsylvania right now is Moderate, with an AQI of 62.
In New Castle City, Pennsylvania, PM2.5 is the most frequently found pollutant.
When air quality in New Castle City, Pennsylvania is compromised, staying indoors and wearing a mask can reduce health risks.
New Castle City, Pennsylvania currently has a PM2.5 concentration of 14.6 μg/m3.
New Castle City, Pennsylvania currently has a PM10 concentration of 59.846 μg/m3.
The current carbon monoxide (CO) level in New Castle City, Pennsylvania is 0.42 ppm.
The current sulfur dioxide (SO2) concentration in New Castle City, Pennsylvania is 1.276 ppb.
New Castle City, Pennsylvania currently has an ozone (O3) concentration of 33.458 ppm.
The current level of nitrogen dioxide (NO2) in New Castle City, Pennsylvania is 6.279 ppb.
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