Air Quality in Locarno, Switzerland
Heavy Rain
11.7°C · 96.6% humidity
11.7°
Feels 11.7°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations
Nearby Monitoring Stations
Locarno's air quality — share it
AQI Forecast
54
1am
54
27
57
4am
48
42
38
7am
35
33
31
10am
28
27
26
1pm
26
26
26
4pm
25
25
27
7pm
27
27
27
10pm
25
25
Air Quality Index Trend
47h · 2 stnLocarno'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. Current PM2.5 concentration in Locarno is 1.0× the WHO 24-hour guideline of 15 µg/m³.
96.6%
Humidity
28.7 km/h
Wind NNW
1015.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
15.07 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Locarno?
Temperature & Precipitation
PM2.5 Trend
47h · 2 stationsPM2.515.07 µg/m³
✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
15.07
Median
13.7
Average
11.5
Low
15.9
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -8.9
What is the 7-day forecast for Locarno?
06-09
18.7° 9.8°
23.31 mm
06-10
20.5° 9.3°
28.25 mm
06-11
23.7° 11.8°
15.31 mm
06-12
23.7° 10.2°
0.19 mm
06-13
24.1° 7.1°
5.87 mm
06-14
20.7° 8.9°
2.12 mm
06-15
23.3° 8.7°
2.69 mm
Both models agree
Avg diff: 4.4°C
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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 2026-06-09T02:53 UTC.