Air Quality in Alajuela, Costa Rica

Rain
24.6°C · 75.2% humidity
24.6°
Feels 24.6°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
24 9am
24
25
25 12pm
24
24
24 3pm
24
24
25 6pm
34
34
34 9pm
34
54
54 12am
54
54
54 3am
54
54
34 6am
34
27
AD 728×90

Air Quality Index Trend

45h · 1 stn

Alajuela's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.

75.2%
Humidity
28.4 km/h
Wind WSW
1012.0 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
25
6.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

45h · 1 station
PM2.56.0 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
AD 300×250
06-09
24.6° 18.2°
7.19 mm
06-10
25.4° 18.7°
49.19 mm
06-11
23.7° 18.4°
24.56 mm
06-12
24.5° 17.9°
19.0 mm
06-13
21.4° 18.2°
19.56 mm
06-14
26.5° 18.5°
20.19 mm
06-15
27.7° 17.9°
7.94 mm
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T18:02 UTC.