What is the air quality in Grafton today?

The current Air Quality Index (AQI) in Grafton is 31 (Good). PM2.5 concentration is 7.4 µg/m³.

What is the temperature in Grafton right now?

The current temperature in Grafton is 15.8°C (feels like 15.8°C). Humidity is 97.6% and wind speed is 85.3 km/h.

Is it safe to go outside in Grafton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Grafton, United States

Drizzle

15.8°C · 97.6% humidity

15.8°

Feels 15.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

34 5pm

31 8pm

25 11pm

24 2am

24 5am

24 8am

24 11am

25 2pm

Air Quality Index Trend

48h · 3 stn

View full history →

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

97.6%

Humidity

85.3 km/h

Wind NNE

1012.4 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.4 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Grafton?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations

PM2.57.4 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

7.4

Median

7.4

Average

7.4

Low

7.4

High

PM2.5 µg/m³ · Model: 12.85 · Bias: +5.4

What is the 7-day forecast for Grafton?

07-22

21.4° 13.7°

10.19 mm

07-23

27.2° 15.3°

1.69 mm

07-24

27.8° 14.8°

1.88 mm

07-25

33.6° 19.5°

3.13 mm

07-26

22.7° 16.2°

2.5 mm

07-27

28.5° 13.8°

5.06 mm

07-28

35.1° 20.7°

Both models agree Avg diff: 3.3°C

Where are air quality stations near Grafton?

Worcester Summer St

10.9 km PM2.5: 4.1 µg/m³

What cities are near Grafton?

31 Shrewsbury 31 Worcester 34 Milford 31 Marlborough 33 Ashland 31 Holden 34 Framingham Center 35 Framingham 29 Woonsocket 54 Natick

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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 2026-07-22T00:24 UTC.