What is the air quality in Winchester today?

The current Air Quality Index (AQI) in Winchester is 34 (Good). PM2.5 concentration is 8.2 µg/m³.

What is the temperature in Winchester right now?

The current temperature in Winchester is 12.7°C (feels like 12.7°C). Humidity is 75.5% and wind speed is 35.9 km/h.

Is it safe to go outside in Winchester?

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

Air Quality in Winchester, United States

Cloudy

12.7°C · 75.5% humidity

12.7°

Feels 12.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

36h · 1 stn

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

75.5%

Humidity

35.9 km/h

Wind ENE

1023.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.2 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Winchester?

Temperature & Precipitation

PM2.5 Trend

36h · 1 station

PM2.58.2 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Winchester?

10-21

23.5° 8.6°

10-22

24.9° 7.7°

10-23

20.3° 3.3°

1.63 mm

10-24

20.7° 7.9°

0.19 mm

10-25

15.8° 1.0°

10-26

23.3° 8.4°

1.19 mm

10-27

14.2° 0.6°

Both models agree Avg diff: 4.3°C

What cities are near Winchester?

30 Lexington-Fayette 30 Lexington 30 Nicholasville 30 Georgetown 33 Danville 31 Frankfort 29 Shelbyville 38 Independence 37 Erlanger 38 Fort Thomas

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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 2026-10-21T01:15 UTC.