What is the air quality in Keene today?

The current Air Quality Index (AQI) in Keene is 20 (Good). PM2.5 concentration is 4.8 µg/m³.

What is the temperature in Keene right now?

The current temperature in Keene is 26.7°C (feels like 26.7°C). Humidity is 47.1% and wind speed is 53.3 km/h.

Is it safe to go outside in Keene?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 9.4 (Very High).

Air Quality in Keene, United States

Windy

26.7°C · 47.1% humidity

26.7°

Feels 26.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

24 12pm

20 3pm

24 6pm

24 9pm

24 12am

24 3am

24 6am

24 9am

Air Quality Index Trend

41h · 1 stn

View full history →

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

47.1%

Humidity

53.3 km/h

Wind W

1014.9 hPa

Pressure

9.4

UV Very High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.8 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Keene?

Temperature & Precipitation

PM2.5 Trend

41h · 1 station

PM2.54.8 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX9.4

Very High

Station readings (1 station within 25 km)

4.8

Median

4.8

Average

4.8

Low

4.8

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.0

What is the 7-day forecast for Keene?

09-05

26.7° 10.9°

14.31 mm

09-06

19.7° 14.8°

5.69 mm

09-07

19.2° 12.1°

1.38 mm

09-08

16.0° 14.9°

5.25 mm

09-09

24.7° 9.7°

1.56 mm

09-10

22.0° 9.3°

30.81 mm

09-11

28.2° 7.4°

Both models agree Avg diff: 4.9°C

Where are air quality stations near Keene?

Keene, New Hampshire, USA

0.6 km PM2.5: 4.6 µg/m³

Keene, New Hampshire, USA

0.6 km PM2.5: 4.8 µg/m³

What cities are near Keene?

20 Gardner 22 Greenfield 19 Fitchburg 19 Leominster 18 Merrimack 21 Amherst Center 21 Amherst 18 Nashua 18 East Concord 20 Holden

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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 2026-09-05T19:12 UTC.