What is the air quality in Derry today?

The current Air Quality Index (AQI) in Derry is 34 (Good). PM2.5 concentration is 8.2 µg/m³.

What is the temperature in Derry right now?

The current temperature in Derry is 4.4°C (feels like 0.9°C). Humidity is 65.3% and wind speed is 16.0 km/h.

Is it safe to go outside in Derry?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Derry, United States

Partly Cloudy

4.4°C · 65.3% humidity

4.4°

Feels 0.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

43h · 2 stn

View full history →

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

65.3%

Humidity

16.0 km/h

Wind S

1029.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Derry?

Temperature & Precipitation

PM2.5 Trend

43h · 2 stations

PM2.58.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

8.2

Median

8.2

Average

8.2

Low

8.2

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -2.2

What is the 7-day forecast for Derry?

10-20

14.8° 5.1°

13.38 mm

10-21

20.0° 3.5°

10-22

16.1° 4.8°

3.06 mm

10-23

13.9° 4.6°

0.31 mm

10-24

11.4° 7.4°

10-25

20.7° 5.3°

30.94 mm

10-26

10.0° 3.6°

4.13 mm

Both models agree Avg diff: 4.2°C

Where are air quality stations near Derry?

Londonderry - Moose Hill, New Hampshire, USA

4.8 km PM2.5: 7.2 µg/m³

What cities are near Derry?

34 Derry Village 34 Merrimack 34 Nashua 34 Methuen 22 Haverhill 34 Dracut 23 North Andover 23 Lowell 23 Tewksbury 23 Chelmsford

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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 2026-10-20T22:41 UTC.