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Uster / Ober-Uster (Zurich) (CH)

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
8°C
Cloudy
Humidity
76.3%
Wind
2 m/s
Pressure
1024.3 hPa
Direction
204°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
5° / 12°
Precip.
7mm
Max wind
5.3 m/s

Hourly Forecast

22.02
Now
Weather
22.02
18:00
Weather
22.02
19:00
Weather
22.02
20:00
Weather
22.02
21:00
Weather
22.02
22:00
Weather
0.2
22.02
23:00
Weather
0.5
23.02
00:00
Weather
0.1
23.02
01:00
Weather
0.5
23.02
02:00
Weather
3.6
23.02
03:00
Weather
0.4
23.02
04:00
Weather
0.2
23.02
05:00
Weather
0.2
23.02
06:00
Weather
0.6
23.02
07:00
Weather
0.4
23.02
08:00
Weather
0.1
23.02
09:00
Weather
0.1
23.02
10:00
Weather
0.1
23.02
11:00
Weather
23.02
12:00
Weather
23.02
13:00
Weather
11°
23.02
14:00
Weather
12°
5
23.02
15:00
Weather
12°
23.02
16:00
Weather
11°

Temperature

12°C
5°C
17:00
8°C
18:00
7°C
19:00
6°C
20:00
6°C
21:00
5°C
22:00
6°C
23:00
5°C
00:00
5°C
01:00
5°C
02:00
6°C
03:00
5°C
04:00
5°C
05:00
5°C
06:00
5°C
07:00
5°C
08:00
5°C
09:00
6°C
10:00
7°C
11:00
8°C
12:00
9°C
13:00
11°C
14:00
12°C
15:00
12°C
16:00
11°C
17:00 04:00 16:00

Precipitation

3.6mm
0mm
22:00
0.2mm
23:00
0.5mm
00:00
0.1mm
01:00
0.5mm
02:00
3.6mm
03:00
0.4mm
04:00
0.2mm
05:00
0.2mm
06:00
0.6mm
07:00
0.4mm
08:00
0.1mm
09:00
0.1mm
10:00
0.1mm
17:00 04:00 16:00

Wind

5.3m/s
0m/s
17:00
1.8 m/s
18:00
2.2 m/s
19:00
2.5 m/s
20:00
2.3 m/s
21:00
2.1 m/s
22:00
2.4 m/s
23:00
2.5 m/s
00:00
2.2 m/s
01:00
3.7 m/s
02:00
3.6 m/s
03:00
3.7 m/s
04:00
3.9 m/s
05:00
4 m/s
06:00
3.2 m/s
07:00
2.3 m/s
08:00
3 m/s
09:00
3.4 m/s
10:00
3.3 m/s
11:00
3.3 m/s
12:00
4.3 m/s
13:00
4.8 m/s
14:00
5.3 m/s
15:00
4.9 m/s
16:00
4.4 m/s
17:00 04:00 16:00

Radiation

0.098 uSv
12.8 km
12.3%

Measurement time: 2026-02-22 14:00

source: remap_europe

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
64.2 km
144
48%

Measurement time: 2026-02-22 17:08

Calculated from PM2.5/PM10

O3
64.2 km
102.91 µg/m3
64.3%

Measurement time: 2026-02-22 17:08

source: OpenWeatherMap

PM2.5
64.2 km
53.1 µg/m3
63.2%

Measurement time: 2026-02-22 17:08

source: OpenWeatherMap

PM10
64.2 km
59.34 µg/m3
42.4%

Measurement time: 2026-02-22 17:08

source: OpenWeatherMap

NO2
64.2 km
22.51 µg/m3
11.3%

Measurement time: 2026-02-22 17:08

source: OpenWeatherMap

CO
64.2 km
0.60888 mg/m3
4.3%

Measurement time: 2026-02-22 17:08

source: OpenWeatherMap

SO2
60.2 km
4.42 µg/m3
1.3%

Measurement time: 2026-02-22 17:57

source: OpenWeatherMap

Info


Country: Switzerland
Region: Zurich
Latitude: 47.34874
Longitude: 8.73319

About Air Quality in Uster / Ober-Uster

Air quality in Uster / Ober-Uster 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 Uster / Ober-Uster

  • 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 Uster / Ober-Uster?

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 Uster / Ober-Uster

If you're planning outdoor activities in Uster / Ober-Uster, 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.