What is the air quality in Amherst today?

The current Air Quality Index (AQI) in Amherst is 17 (Good). PM2.5 concentration is 3.97 µg/m³.

What is the temperature in Amherst right now?

The current temperature in Amherst is 4.7°C (feels like 1.5°C). Humidity is 68.1% and wind speed is 14.7 km/h.

Is it safe to go outside in Amherst?

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

Air Quality in Amherst, United States

Partly Cloudy

4.7°C · 68.1% humidity

4.7°

Feels 1.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 3 stn

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

68.1%

Humidity

14.7 km/h

Wind SSW

1029.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.97 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Amherst?

Temperature & Precipitation

PM2.5 Trend

46h · 3 stations

PM2.53.97 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Amherst?

10-20

14.1° 5.1°

5.31 mm

10-21

17.6° 2.8°

10-22

17.7° 5.8°

9.25 mm

10-23

15.0° 2.0°

0.44 mm

10-24

12.0° 6.2°

10-25

19.2° 5.3°

39.06 mm

10-26

10.8° 2.8°

0.06 mm

Both models agree Avg diff: 4.4°C

What cities are near Amherst?

17 Amherst Center 12 Northampton 12 South Hadley 12 Easthampton 12 Holyoke 12 North Chicopee 12 Ludlow 12 Chicopee 29 Greenfield 12 Palmer

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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 2026-10-20T23:40 UTC.