Air Quality in San Marino, San Marino
Heavy Rain
15.3°C · 94.4% humidity
15.3°
Feels 15.3°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
AQI Forecast
54
11pm
54
34
57
2am
70
66
62
5am
60
58
37
8am
56
56
55
11am
55
55
54
2pm
54
54
54
5pm
54
34
34
8pm
34
34
Air Quality Index Trend
48h · 2 stnCurrent PM2.5 concentration in San Marino is 3.0× the WHO annual guideline of 5 µg/m³.
94.4%
Humidity
28.9 km/h
Wind NNW
1012.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
15.0 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for San Marino?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.515.0 µg/m³
✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
15.0
Median
15.0
Average
15.0
Low
15.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -4.2
What is the 7-day forecast for San Marino?
05-29
22.4° 12.7°
36.25 mm
05-30
19.2° 13.0°
22.25 mm
05-31
21.8° 12.1°
0.31 mm
06-01
27.4° 16.6°
1.81 mm
06-02
22.7° 19.2°
7.5 mm
06-03
25.8° 12.7°
0.13 mm
06-04
26.7° 18.4°
2.5 mm
Both models agree
Avg diff: 4.7°C
Where are air quality stations near San Marino?
6
San Leo, Emilia Romagna, Italy
32
San Leo, Emilia Romagna, Italy
11
San Leo, Emilia Romagna, Italy
42
Verucchio, Emilia Romagna, Italy
25
San Clemente, Emilia Romagna, Italy
11
San Clemente, Emilia Romagna, Italy
33
Marecchia, Emilia Romagna, Italy
23
Savignano Di Rigo, Emilia Romagna, Italy
25
Savignano, Emilia Romagna, Italy
48
Savignano, Emilia Romagna, Italy
What cities are near San Marino?
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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 2026-05-29T00:26 UTC.