What is the air quality in Keene today?

The current Air Quality Index (AQI) in Keene is 54 (Moderate). PM2.5 concentration is 13.5 µg/m³.

What is the temperature in Keene right now?

The current temperature in Keene is 18.2°C (feels like 18.2°C). Humidity is 62.2% and wind speed is 56.4 km/h.

Air Quality in Keene, United States

Windy

18.2°C · 62.2% humidity

18.2°

Feels 18.2°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

1 station

Nearby Monitoring Stations

AQI Forecast

34 4pm

54 7pm

31 10pm

27 1am

25 4am

24 7am

24 10am

24 1pm

Air Quality Index Trend

37h · 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.

62.2%

Humidity

56.4 km/h

Wind NE

1014.4 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

13.5 µg/m³

PM10

27.45 µg/m³

050100150200300500

What is the weather forecast for Keene?

Temperature & Precipitation

PM2.5 Trend

37h · 2 stations

PM2.513.5 µg/m³ ✓ WHO

Moderate

PM1027.45 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

13.5

Median

13.5

Average

13.5

Low

13.5

High

PM2.5 µg/m³ · Model: 13.7 · Bias: +0.2

What is the 7-day forecast for Keene?

07-21

23.6° 17.7°

3.25 mm

07-22

19.9° 12.7°

4.63 mm

07-23

22.6° 15.4°

1.69 mm

07-24

24.0° 14.2°

3.44 mm

07-25

26.9° 17.0°

8.5 mm

07-26

21.7° 13.5°

6.69 mm

07-27

26.8° 15.7°

1.19 mm

Both models agree Avg diff: 2.8°C

Where are air quality stations near Keene?

Keene, New Hampshire, USA

0.6 km PM2.5: 8.2 µg/m³

Keene, New Hampshire, USA

0.6 km PM2.5: 5.5 µg/m³

Keene, New Hampshire, USA

0.6 km PM2.5: 21.1 µg/m³

What cities are near Keene?

41 Gardner 43 Greenfield 41 Fitchburg 45 Leominster 50 Merrimack 37 Amherst Center 37 Amherst 50 Nashua 32 East Concord 38 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 2026-07-21T23:26 UTC.