What is the air quality in Alton today?

The current Air Quality Index (AQI) in Alton is 27 (Good). PM2.5 concentration is 6.49 µg/m³.

What is the temperature in Alton right now?

The current temperature in Alton is 12.2°C (feels like 12.2°C). Humidity is 72.8% and wind speed is 55.2 km/h.

Is it safe to go outside in Alton?

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

Air Quality in Alton, United Kingdom

Drizzle

12.2°C · 72.8% humidity

12.2°

Feels 12.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 1 stn

View full history →

Alton's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

72.8%

Humidity

55.2 km/h

Wind NNE

1019.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.49 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Alton?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.56.49 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

6.49

Median

6.49

Average

6.49

Low

6.49

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -0.7

What is the 7-day forecast for Alton?

10-21

12.2° 5.9°

0.5 mm

10-22

19.3° 7.6°

10-23

11.1° 9.3°

8.81 mm

10-24

14.0° 7.0°

0.06 mm

10-25

15.3° 8.7°

4.87 mm

10-26

10.2° 9.1°

0.56 mm

10-27

18.7° 4.7°

2.56 mm

Both models agree Avg diff: 3.7°C

Where are air quality stations near Alton?

IBASINGS39

14.9 km PM2.5: 6.7 µg/m³ PM10: 9.4 µg/m³

What cities are near Alton?

27 Bordon 27 Farnham 27 Basingstoke 27 Hale 22 Fleet 33 Aldershot 20 Farnborough 21 Yateley 24 Tadley 36 Godalming

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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 2026-10-21T14:04 UTC.