What is the air quality in Keene today?

The current Air Quality Index (AQI) in Keene is 23 (Good). PM2.5 concentration is 5.5 µg/m³.

What is the temperature in Keene right now?

The current temperature in Keene is 9.5°C (feels like 8.5°C). Humidity is 93.6% and wind speed is 7.6 km/h.

Is it safe to go outside in Keene?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Keene, United States

Overcast

9.5°C · 93.6% humidity

9.5°

Feels 8.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

25 10pm

23 1am

27 4am

27 7am

25 10am

25 1pm

25 4pm

25 7pm

Air Quality Index Trend

40h · 2 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.

93.6%

Humidity

7.6 km/h

Wind W

1000.0 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.5 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Keene?

Temperature & Precipitation

PM2.5 Trend

40h · 2 stations

PM2.55.5 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

5.5

Median

5.5

Average

5.5

Low

5.5

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +0.5

What is the 7-day forecast for Keene?

06-09

31.1° 9.5°

0.56 mm

06-10

17.1° 9.5°

10.5 mm

06-11

24.4° 7.5°

06-12

18.3° 13.4°

2.75 mm

06-13

25.0° 15.4°

0.44 mm

06-14

23.6° 8.4°

14.0 mm

06-15

26.2° 11.9°

1.5 mm

Both models agree Avg diff: 7.2°C

Where are air quality stations near Keene?

Keene, New Hampshire, USA

0.6 km PM2.5: 4.3 µg/m³

Keene, New Hampshire, USA

0.6 km PM2.5: 5.0 µg/m³

Keene, New Hampshire, USA

0.6 km PM2.5: 6.2 µg/m³

What cities are near Keene?

22 Gardner 17 Greenfield 22 Fitchburg 26 Leominster 29 Merrimack 19 Amherst Center 19 Amherst 29 Nashua 20 East Concord 31 Holden

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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 2026-06-09T05:00 UTC.