What is the air quality in Greenfield today?

The current Air Quality Index (AQI) in Greenfield is 26 (Good). PM2.5 concentration is 6.2 µg/m³.

What is the temperature in Greenfield right now?

The current temperature in Greenfield is 20.8°C (feels like 20.8°C). Humidity is 67.1% and wind speed is 73.5 km/h.

Is it safe to go outside in Greenfield?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.2 (Moderate).

Air Quality in Greenfield, United States

Drizzle

20.8°C · 67.1% humidity

20.8°

Feels 20.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

24 3pm

26 6pm

25 9pm

25 12am

24 3am

24 6am

24 9am

24 12pm

Air Quality Index Trend

46h · 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.

67.1%

Humidity

73.5 km/h

Wind W

1010.8 hPa

Pressure

2.2

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Greenfield?

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations

PM2.56.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.2

Moderate

Station readings (1 station within 25 km)

6.2

Median

6.2

Average

6.2

Low

6.2

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -0.4

What is the 7-day forecast for Greenfield?

05-29

13.8° 8.8°

0.13 mm

05-30

20.8° 7.0°

8.75 mm

05-31

24.0° 7.3°

0.44 mm

06-01

23.1° 8.9°

06-02

16.8° 9.4°

0.06 mm

06-03

25.4° 15.3°

0.06 mm

06-04

21.4° 17.0°

0.38 mm

Both models agree Avg diff: 5.2°C

Where are air quality stations near Greenfield?

Greenfield Hs

2.0 km PM2.5: 10.6 µg/m³

Greenfield Hs

2.0 km PM2.5: 7.2 µg/m³

What cities are near Greenfield?

27 Amherst Center 27 Amherst 17 Northampton 17 Easthampton 21 South Hadley 17 Holyoke 17 North Chicopee 22 Keene 19 Ludlow 17 Chicopee

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-05-29T22:38 UTC.