Air Quality in Sankt Gallen, Switzerland

Cloudy
12.9°C · 80.3% humidity
12.9°
Feels 12.9°
5
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
4 10pm
11
11
5 1am
7
8
9 4am
9
10
10 7am
10
11
4 10am
4
4
4 1pm
4
2
2 4pm
2
2
2 7pm
2
4
Station readings
5
CAMS model adj -23
27
34
34
34
34
34
34
34
34
34
34
34
27
27
27
27
27
25
25
25
25
25
25
27
AD 728×90

Air Quality Index Trend

34h · 1 stn

Sankt Gallen'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.

80.3%
Humidity
10.6 km/h
Wind SW
1015.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
5
1.12 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sankt Gallen?

Temperature & Precipitation

PM2.5 Trend

34h · 1 station
PM2.51.12 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
1.12
Median
1.12
Average
1.12
Low
1.12
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +6.2

What is the 7-day forecast for Sankt Gallen?

07-21
29.1° 15.2°
0.88 mm
07-22
25.8° 12.9°
2.94 mm
07-23
20.7° 16.6°
0.06 mm
07-24
19.8° 12.5°
07-25
27.0° 11.6°
11.25 mm
07-26
29.6° 15.3°
4.0 mm
07-27
32.4° 15.5°
10.31 mm
Both models agree Avg diff: 3.0°C

Where are air quality stations near Sankt Gallen?

–
Oberriet, Adlerstrasse
18.8 km PM2.5: 0.0 µg/m³ PM10: 1.0 µg/m³
–
Gemeindeamt, Hauptstraße 15
20.4 km
–
Zollamt, Reichsstraße 28
20.8 km
21
Wiesenrainstraße 26; 50m vom Zollamt Philipp Krapf-Str.
21.0 km PM2.5: 5.0 µg/m³ PM10: 9.0 µg/m³
42
L190 (3m von L53), L191, Bärenkreuzung L53, Austria
26.5 km PM2.5: 10.1 µg/m³
34
L190 (3m von L53), L191, Bärenkreuzung L53, Austria
26.5 km PM2.5: 8.2 µg/m³
22
Friedrichshafener Straße, Lindau (Bodensee), Germany
27.9 km PM2.5: 5.3 µg/m³
40
Friedrichshafener Straße, Lindau (Bodensee), Germany
27.9 km PM2.5: 9.6 µg/m³

What cities are near Sankt Gallen?

5 Herisau 15 Gossau 16 Lustenau 9 Hohenems 24 Wil 5 Feldkirch 30 Lindau 30 Friedrichshafen 18 Dornbirn 27 Kreuzlingen
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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 2026-07-21T23:17 UTC.