What is the air quality in New Castle today?

The current Air Quality Index (AQI) in New Castle is 18 (Good). PM2.5 concentration is 4.17 µg/m³.

What is the temperature in New Castle right now?

The current temperature in New Castle is 27.3°C (feels like 30.7°C). Humidity is 61.9% and wind speed is 78.8 km/h.

Is it safe to go outside in New Castle?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 12.9 (Extreme).

Air Quality in New Castle, United States

Drizzle

27.3°C · 61.9% humidity

27.3°

Feels 30.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

34 8am

18 11am

22 2pm

24 5pm

25 8pm

25 11pm

25 2am

25 5am

Air Quality Index Trend

33h · 2 stn

View full history →

New 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.

61.9%

Humidity

78.8 km/h

Wind W

1015.9 hPa

Pressure

12.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.17 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for New Castle?

Temperature & Precipitation

PM2.5 Trend

33h · 2 stations

PM2.54.17 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX12.9

Extreme

What is the 7-day forecast for New Castle?

05-29

27.3° 7.2°

1.37 mm

05-30

16.8° 11.4°

2.0 mm

05-31

25.9° 6.6°

06-01

28.0° 12.6°

06-02

18.3° 8.2°

0.56 mm

06-03

24.6° 20.2°

7.56 mm

06-04

23.5° 17.2°

0.13 mm

Both models agree Avg diff: 4.6°C

Where are air quality stations near New Castle?

Farrell, Pennsylvania, USA

26.2 km PM2.5: 7.7 µg/m³

What cities are near New Castle?

17 Boardman 25 Hermitage 25 Youngstown 16 Austintown 25 Niles 26 Cranberry Township 16 Warren 30 Allison Park 21 Alliance 25 Weirton Heights

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-05-29T15:30 UTC.