What is the air quality in Greenfield today?

The current Air Quality Index (AQI) in Greenfield is 18 (Good). PM2.5 concentration is 4.3 µg/m³.

What is the temperature in Greenfield right now?

The current temperature in Greenfield is 27.0°C (feels like 28.2°C). Humidity is 43.6% and wind speed is 53.7 km/h.

Is it safe to go outside in Greenfield?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 14.9 (Extreme).

Air Quality in Greenfield, United States

Windy

27.0°C · 43.6% humidity

27.0°

Feels 28.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

24 10am

18 1pm

22 4pm

23 7pm

24 10pm

24 1am

24 4am

24 7am

Air Quality Index Trend

45h · 4 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.

43.6%

Humidity

53.7 km/h

Wind W

1015.2 hPa

Pressure

14.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.3 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Greenfield?

Temperature & Precipitation

PM2.5 Trend

45h · 4 stations

PM2.54.3 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX14.9

Extreme

Station readings (1 station within 25 km)

4.3

Median

4.3

Average

4.3

Low

4.3

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.5

What is the 7-day forecast for Greenfield?

09-05

27.0° 11.1°

14.56 mm

09-06

19.6° 14.0°

6.25 mm

09-07

19.0° 13.8°

0.56 mm

09-08

16.2° 15.2°

3.31 mm

09-09

23.1° 8.7°

0.81 mm

09-10

21.7° 10.9°

31.94 mm

09-11

28.3° 9.7°

Both models agree Avg diff: 5.5°C

Where are air quality stations near Greenfield?

Greenfield Hs

2.0 km PM2.5: 4.3 µg/m³

Greenfield Hs

2.0 km PM2.5: 4.3 µg/m³

What cities are near Greenfield?

20 Amherst Center 20 Amherst 18 Northampton 18 Easthampton 18 South Hadley 18 Holyoke 18 North Chicopee 30 Keene 18 Ludlow 18 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 2026-09-05T17:55 UTC.