Air Quality in San Marino, SM

Drizzle
11.8°C · 84.9% humidity
11.8°
Feels 11.8°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
17 10pm
14
20
16 1am
16
16
16 4am
16
16
16 7am
16
54
29 10am
29
29
29 1pm
29
4
0 4pm
0
0
4 7pm
4
16
Station readings
17
14
20
CAMS model adj -21
37
37
37
37
37
37
37
37
37
37
37
75
50
50
50
50
50
25
12
12
12
25
25
37
AD 728×90

PM2.5 Trend (24h)

24h · 2 stations
84.9%
Humidity
21.6 km/h
Wind SSW
1004.5 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.54.89 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
04-10
13.1° 10.7°
5.44 mm
04-11
8.1° 6.8°
1.88 mm
04-12
10.4° 5.6°
04-13
12.2° 4.2°
04-14
10.2° 6.9°
9.56 mm
04-15
11.3° 7.6°
0.44 mm
04-16
11.0° 5.9°
2.63 mm

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T01:02 UTC.