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Walton-on-Thames (England) (GB)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Cloudy
7°C
Cloudy
Humidity
83.4%
Wind
5 m/s
Pressure
994.2 hPa
Direction
92°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
5° / 7°
Precip.
6.7mm
Max wind
5.5 m/s

Hourly Forecast

02.02
Now
Weather
5
02.02
19:00
Weather
5
02.02
20:00
Weather
02.02
21:00
Weather
02.02
22:00
Weather
02.02
23:00
Weather
03.02
00:00
Weather
5
03.02
01:00
Weather
5
03.02
02:00
Weather
6
03.02
03:00
Weather
5
03.02
04:00
Weather
0.1
5
03.02
05:00
Weather
0.3
5
03.02
06:00
Weather
0.7
6
03.02
07:00
Weather
0.9
5
03.02
08:00
Weather
0.5
5
03.02
09:00
Weather
5
03.02
10:00
Weather
0.2
5
03.02
11:00
Weather
0.5
03.02
12:00
Weather
0.3
03.02
13:00
Weather
0.7
03.02
14:00
Weather
0.8
03.02
15:00
Weather
0.4
03.02
16:00
Weather
0.5
03.02
17:00
Weather
0.8

Temperature

7°C
5°C
18:00
7°C
19:00
7°C
20:00
7°C
21:00
6°C
22:00
6°C
23:00
6°C
00:00
6°C
01:00
6°C
02:00
6°C
03:00
6°C
04:00
6°C
05:00
6°C
06:00
6°C
07:00
5°C
08:00
5°C
09:00
5°C
10:00
5°C
11:00
5°C
12:00
5°C
13:00
5°C
14:00
5°C
15:00
5°C
16:00
5°C
17:00
5°C
18:00 05:00 17:00

Precipitation

0.9mm
0mm
04:00
0.1mm
05:00
0.3mm
06:00
0.7mm
07:00
0.9mm
08:00
0.5mm
10:00
0.2mm
11:00
0.5mm
12:00
0.3mm
13:00
0.7mm
14:00
0.8mm
15:00
0.4mm
16:00
0.5mm
17:00
0.8mm
18:00 05:00 17:00

Wind

5.5m/s
0m/s
18:00
5.1 m/s
19:00
5.1 m/s
20:00
5 m/s
21:00
4.8 m/s
22:00
4.9 m/s
23:00
4.9 m/s
00:00
5.1 m/s
01:00
5.2 m/s
02:00
5.5 m/s
03:00
5.3 m/s
04:00
5.3 m/s
05:00
5.3 m/s
06:00
5.5 m/s
07:00
5.4 m/s
08:00
5.3 m/s
09:00
5.2 m/s
10:00
5.1 m/s
11:00
4.9 m/s
12:00
4.8 m/s
13:00
4.4 m/s
14:00
3.6 m/s
15:00
3.2 m/s
16:00
2.7 m/s
17:00
2.6 m/s
18:00 05:00 17:00

Radiation

0.072 uSv
9.7 km
8.9%

Measurement time: 2026-02-02 18:49

source: radioactiveAtHome

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
22.3 km
152
50.7%

Measurement time: 2026-02-02 19:00

Calculated from PM2.5/PM10

PM2.5
22.3 km
59 µg/m3
70.2%

Measurement time: 2026-02-02 19:00

source: Aqicn

PM10
22.3 km
20 µg/m3
14.3%

Measurement time: 2026-02-02 19:00

source: Aqicn

NO2
22.3 km
20.6 µg/m3
10.3%

Measurement time: 2026-02-02 19:00

source: Aqicn

O3
22.3 km
6.8 µg/m3
4.3%

Measurement time: 2026-02-02 19:00

source: Aqicn

SO2
22.3 km
1.1 µg/m3
0.3%

Measurement time: 2026-02-02 19:00

source: Aqicn

CO
22.3 km
0.0026 mg/m3
0%

Measurement time: 2026-02-02 19:00

source: Aqicn

About Air Quality in Walton-on-Thames

Air quality in Walton-on-Thames is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Walton-on-Thames

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Walton-on-Thames?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Walton-on-Thames

If you're planning outdoor activities in Walton-on-Thames, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.