What is the air quality in Greenfield today?

The current Air Quality Index (AQI) in Greenfield is 53 (Moderate). PM2.5 concentration is 13.1 µg/m³.

What is the temperature in Greenfield right now?

The current temperature in Greenfield is 18.0°C (feels like 18.0°C). Humidity is 68.0% and wind speed is 40.7 km/h.

Air Quality in Greenfield, United States

Windy

18.0°C · 68.0% humidity

18.0°

Feels 18.0°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

1 station

Nearby Monitoring Stations

AQI Forecast

34 3pm

53 6pm

32 9pm

27 12am

25 3am

24 6am

24 9am

24 12pm

Air Quality Index Trend

47h · 1 stn

View full history →

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

68.0%

Humidity

40.7 km/h

Wind NNE

1014.6 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

13.1 µg/m³

PM10

27.45 µg/m³

050100150200300500

What is the weather forecast for Greenfield?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.513.1 µg/m³ ✓ WHO

Moderate

PM1027.45 µg/m³

Good

UV INDEX1.4

Low

Station readings (1 station within 25 km)

13.1

Median

13.1

Average

13.1

Low

13.1

High

PM2.5 µg/m³ · Model: 17.65 · Bias: +4.6

What is the 7-day forecast for Greenfield?

07-21

23.5° 17.2°

0.19 mm

07-22

20.9° 13.3°

2.5 mm

07-23

21.8° 14.8°

2.13 mm

07-24

22.0° 13.8°

5.75 mm

07-25

25.6° 16.6°

13.38 mm

07-26

21.9° 15.7°

5.31 mm

07-27

27.1° 15.5°

0.5 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near Greenfield?

Greenfield Hs

2.0 km PM2.5: 5.0 µg/m³

Greenfield Hs

2.0 km PM2.5: 18.8 µg/m³

What cities are near Greenfield?

37 Amherst Center 37 Amherst 26 Northampton 26 Easthampton 26 South Hadley 26 Holyoke 26 North Chicopee 51 Keene 26 Ludlow 26 Chicopee

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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 2026-07-21T22:18 UTC.