What is the air quality in Alajuela today?

The current Air Quality Index (AQI) in Alajuela is 27 (Good). PM2.5 concentration is 6.45 µg/m³.

What is the temperature in Alajuela right now?

The current temperature in Alajuela is 20.6°C (feels like 20.6°C). Humidity is 78.3% and wind speed is 36.6 km/h.

Is it safe to go outside in Alajuela?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Low).

Air Quality in Alajuela, CR

Cloudy

20.6°C · 78.3% humidity

20.6°

Feels 20.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast Calibrated

27 9pm

26 12am

38 3am

26 6am

26 9am

26 12pm

26 3pm

13 6pm

Station readings

CAMS model adj +1

PM2.5 Trend (24h)

22h · 1 station

78.3%

Humidity

36.6 km/h

Wind NE

1009.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Alajuela?

Temperature & Precipitation

PM2.56.45 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

6.45

Median

6.45

Average

6.45

Low

6.45

High

PM2.5 µg/m³ · Model: 4.4 · Bias: -2.0

What is the 7-day forecast for Alajuela?

04-09

29.6° 17.7°

0.38 mm

04-10

24.1° 19.1°

0.38 mm

04-11

23.0° 19.2°

1.44 mm

04-12

22.4° 18.2°

6.94 mm

04-13

28.7° 18.0°

7.19 mm

04-14

32.0° 17.0°

0.25 mm

04-15

31.5° 16.1°

0.88 mm

Both models agree Avg diff: 1.5°C

Where are air quality stations near Alajuela?

NASA GSFC Rutgers Calib. N13

20.7 km PM2.5: 6.4 µg/m³

What cities are near Alajuela?

27 Mercedes Norte 27 San Francisco 27 Heredia 27 San Pablo 27 San Rafael 27 Colima 27 San Juan 27 San José 27 San Felipe 27 Calle Blancos

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:00 UTC.