What is the air quality in Delaware today?

The current Air Quality Index (AQI) in Delaware is 40 (Good). PM2.5 concentration is 9.47 µg/m³.

What is the temperature in Delaware right now?

The current temperature in Delaware is 25.1°C (feels like 25.1°C). Humidity is 75.3% and wind speed is 46.4 km/h.

Is it safe to go outside in Delaware?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Delaware, United States

Drizzle

25.1°C · 75.3% humidity

25.1°

Feels 25.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

27 3pm

40 6pm

30 9pm

26 12am

25 3am

24 6am

24 9am

25 12pm

Air Quality Index Trend

21h · 1 stn

View full history →

Delaware's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

75.3%

Humidity

46.4 km/h

Wind NNE

1012.7 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.47 µg/m³

PM10

27.45 µg/m³

050100150200300500

What is the weather forecast for Delaware?

Temperature & Precipitation

PM2.5 Trend

21h · 1 station

PM2.59.47 µg/m³ ✓ WHO

Good

PM1027.45 µg/m³

Good

UV INDEX4.4

Moderate

What is the 7-day forecast for Delaware?

07-21

28.3° 20.3°

1.25 mm

07-22

25.1° 19.3°

1.5 mm

07-23

21.2° 16.1°

0.56 mm

07-24

25.7° 14.8°

1.94 mm

07-25

21.7° 16.9°

2.56 mm

07-26

25.8° 16.9°

15.0 mm

07-27

25.1° 20.2°

2.75 mm

Both models agree Avg diff: 3.7°C

Where are air quality stations near Delaware?

New Albany, Ohio, USA

32.0 km PM2.5: 5.0 µg/m³

New Albany, Ohio, USA

32.0 km PM2.5: 10.8 µg/m³

New Albany, Ohio, USA

32.0 km PM2.5: 6.5 µg/m³

What cities are near Delaware?

54 Westerville 18 Marysville 35 Hilliard 54 Upper Arlington 54 Gahanna 54 Whitehall 54 Reynoldsburg 42 Grove City 54 Pataskala 54 Pickerington

Get AQI alerts for Delaware

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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 2026-07-21T22:58 UTC.