What is the air quality in Alton today?

The current Air Quality Index (AQI) in Alton is 2 (Good). PM2.5 concentration is 0.44 µg/m³.

What is the temperature in Alton right now?

The current temperature in Alton is 13.0°C (feels like 13.0°C). Humidity is 87.4% and wind speed is 78.5 km/h.

Is it safe to go outside in Alton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 1.4 (Low).

Air Quality in Alton, United Kingdom

Rain

13.0°C · 87.4% humidity

13.0°

Feels 13.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast Calibrated

3 4pm

2 7pm

0 10pm

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Station readings

CAMS model adj -24

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.

87.4%

Humidity

78.5 km/h

Wind WSW

1008.5 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

0.44 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Alton?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.50.44 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX1.4

Low

Station readings (1 station within 25 km)

0.44

Median

0.44

Average

0.44

Low

0.44

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +5.4

What is the 7-day forecast for Alton?

06-08

18.0° 7.9°

2.94 mm

06-09

17.5° 7.3°

0.06 mm

06-10

14.5° 11.0°

6.38 mm

06-11

26.8° 13.4°

1.94 mm

06-12

21.7° 9.5°

06-13

23.9° 9.6°

0.06 mm

06-14

20.6° 9.9°

1.37 mm

Both models agree Avg diff: 3.7°C

Where are air quality stations near Alton?

IBASINGS39

14.9 km PM2.5: 0.4 µg/m³ PM10: 1.1 µg/m³

What cities are near Alton?

2 Bordon 2 Farnham 3 Basingstoke 2 Hale 17 Fleet 15 Aldershot 24 Farnborough 20 Yateley 12 Tadley 28 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 2026-06-08T18:10 UTC.