Air Quality in New Castle, United States
Drizzle
9.0°C · 95.2% humidity
9.0°
Feels 3.8°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
25
11pm
25
25
38
2am
34
32
30
5am
28
27
27
8am
35
35
35
11am
34
34
27
2pm
27
27
27
5pm
27
27
27
8pm
24
24
Air Quality Index Trend
41h · 2 stnNew Castle's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
95.2%
Humidity
56.5 km/h
Wind WNW
1007.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.14 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for New Castle?
Temperature & Precipitation
PM2.5 Trend
41h · 2 stationsPM2.59.14 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for New Castle?
06-09
30.3° 9.0°
1.38 mm
06-10
23.3° 19.7°
3.88 mm
06-11
22.9° 8.1°
06-12
27.2° 15.8°
0.38 mm
06-13
25.5° 20.5°
2.81 mm
06-14
25.1° 14.2°
0.19 mm
06-15
29.1° 15.4°
Both models agree
Avg diff: 5.3°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T06:50 UTC.