Air Quality in San Diego, Costa Rica
Drizzle
20.5°C · 81.6% humidity
20.5°
Feels 20.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
San Diego's air quality — share it
AQI Forecast
25
10pm
25
25
25
1am
25
25
25
4am
25
25
27
7am
25
24
24
10am
25
24
24
1pm
24
24
25
4pm
25
25
24
7pm
25
25
Air Quality Index Trend
45h · 1 stnSan Diego's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
81.6%
Humidity
30.6 km/h
Wind NE
1012.8 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for San Diego?
Temperature & Precipitation
PM2.5 Trend
45h · 1 stationPM2.55.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for San Diego?
08-03
20.5° 14.7°
9.69 mm
08-04
16.9° 16.2°
25.19 mm
08-05
18.8° 14.6°
20.44 mm
08-06
17.6° 14.8°
7.31 mm
08-07
22.4° 15.1°
3.69 mm
08-08
20.4° 15.3°
4.81 mm
08-09
23.4° 16.3°
20.87 mm
Both models agree
Avg diff: 1.5°C
Where are air quality stations near San Diego?
What cities are near San Diego?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T07:35 UTC.