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Leatherhead (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
11°C
Cloudy
Humidity
95.4%
Wind
6 m/s
Pressure
1019.3 hPa
Direction
232°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
10° / 14°
Precip.
2.9mm
Max wind
7 m/s

Hourly Forecast

21.02
Now
Weather
11°
6
21.02
22:00
Weather
11°
6
21.02
23:00
Weather
11°
7
22.02
00:00
Weather
11°
7
22.02
01:00
Weather
11°
6
22.02
02:00
Weather
11°
6
22.02
03:00
Weather
11°
1.2
7
22.02
04:00
Weather
11°
7
22.02
05:00
Weather
11°
7
22.02
06:00
Weather
11°
0.4
7
22.02
07:00
Weather
11°
0.8
6
22.02
08:00
Weather
11°
0.5
6
22.02
09:00
Weather
11°
5
22.02
10:00
Weather
11°
6
22.02
11:00
Weather
11°
6
22.02
12:00
Weather
12°
6
22.02
13:00
Weather
13°
6
22.02
14:00
Weather
13°
6
22.02
15:00
Weather
14°
6
22.02
16:00
Weather
13°
5
22.02
17:00
Weather
12°
22.02
18:00
Weather
11°
22.02
19:00
Weather
10°
22.02
20:00
Weather
10°

Temperature

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

Precipitation

1.2mm
0mm
03:00
1.2mm
06:00
0.4mm
07:00
0.8mm
08:00
0.5mm
21:00 08:00 20:00

Wind

7m/s
0m/s
21:00
6.1 m/s
22:00
6.3 m/s
23:00
6.6 m/s
00:00
6.7 m/s
01:00
6.1 m/s
02:00
6 m/s
03:00
6.5 m/s
04:00
7 m/s
05:00
6.9 m/s
06:00
6.6 m/s
07:00
6.2 m/s
08:00
6 m/s
09:00
5.4 m/s
10:00
6 m/s
11:00
5.8 m/s
12:00
5.7 m/s
13:00
6.1 m/s
14:00
6.3 m/s
15:00
6.2 m/s
16:00
5.2 m/s
17:00
4.8 m/s
18:00
4.2 m/s
19:00
4.2 m/s
20:00
4.3 m/s
21:00 08:00 20:00

Radiation

0.104 uSv
17.5 km
13%

Measurement time: 2026-02-21 20:54

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
29 km
78
26%

Measurement time: 2026-02-21 21:00

Calculated from PM2.5/PM10

PM2.5
29 km
25 µg/m3
29.8%

Measurement time: 2026-02-21 21:00

source: Aqicn

O3
29 km
16.2 µg/m3
10.1%

Measurement time: 2026-02-21 21:00

source: Aqicn

PM10
29 km
7 µg/m3
5%

Measurement time: 2026-02-21 21:00

source: Aqicn

NO2
29 km
8.2 µg/m3
4.1%

Measurement time: 2026-02-21 21:00

source: Aqicn

SO2
29 km
0.6 µg/m3
0.2%

Measurement time: 2026-02-21 21:00

source: Aqicn

CO
29 km
0.0047 mg/m3
0%

Measurement time: 2026-02-21 21:00

source: Aqicn

About Air Quality in Leatherhead

Air quality in Leatherhead 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 Leatherhead

  • 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 Leatherhead?

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 Leatherhead

If you're planning outdoor activities in Leatherhead, 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.