What is the air quality in Grenchen today?

The current Air Quality Index (AQI) in Grenchen is 30 (Good). PM2.5 concentration is 7.2 µg/m³.

What is the temperature in Grenchen right now?

The current temperature in Grenchen is 13.0°C (feels like 13.0°C). Humidity is 59.1% and wind speed is 19.8 km/h.

Is it safe to go outside in Grenchen?

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

Air Quality in Grenchen, Switzerland

Partly Cloudy

13.0°C · 59.1% humidity

13.0°

Feels 13.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 6 stn

View full history →

Grenchen'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.

59.1%

Humidity

19.8 km/h

Wind ENE

1021.0 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Grenchen?

Temperature & Precipitation

PM2.5 Trend

46h · 6 stations

PM2.57.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Grenchen?

10-21

13.0° -2.3°

0.06 mm

10-22

19.5° 5.5°

1.19 mm

10-23

9.1° 3.5°

4.75 mm

10-24

7.8° 3.3°

0.06 mm

10-25

15.9° 1.6°

10-26

6.6° 3.9°

0.56 mm

10-27

12.9° 4.1°

0.06 mm

Both models agree Avg diff: 3.9°C

What cities are near Grenchen?

25 Solothurn 29 Biel/Bienne 12 Burgdorf 12 Bern 12 Köniz 25 Reinach 25 Allschwil 29 Muttenz 30 Neuchâtel 21 Olten

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-21T10:52 UTC.