What is the air quality in Guilford today?

The current Air Quality Index (AQI) in Guilford is 28 (Good). PM2.5 concentration is 6.59 µg/m³.

What is the temperature in Guilford right now?

The current temperature in Guilford is 9.3°C (feels like 6.6°C). Humidity is 57.6% and wind speed is 19.4 km/h.

Is it safe to go outside in Guilford?

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

Air Quality in Guilford, United States

Partly Cloudy

9.3°C · 57.6% humidity

9.3°

Feels 6.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

39h · 1 stn

View full history →

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

57.6%

Humidity

19.4 km/h

Wind ESE

1029.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.59 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Guilford?

Temperature & Precipitation

PM2.5 Trend

39h · 1 station

PM2.56.59 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Guilford?

10-21

20.0° 7.3°

10-22

17.0° 9.9°

8.31 mm

10-23

16.1° 6.3°

0.06 mm

10-24

14.5° 10.2°

10-25

15.9° 12.9°

48.88 mm

10-26

13.2° 7.2°

10-27

13.8° 6.9°

5.0 mm

Both models agree Avg diff: 3.7°C

Where are air quality stations near Guilford?

united-states-of-america-hamden-santa-fe-avenue

20.1 km 23.3°C 64.0% RH PM2.5: 2.0 µg/m³ PM10: 2.0 µg/m³

What cities are near Guilford?

28 Branford 28 East Haven 13 North Haven 30 New Haven 13 Wallingford Center 13 Hamden 13 Wallingford 26 West Haven 13 Meriden 13 Cheshire

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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 2026-10-21T00:34 UTC.