What is the air quality in Oeiras today?

The current Air Quality Index (AQI) in Oeiras is 25 (Good). PM2.5 concentration is 6.0 µg/m³.

What is the temperature in Oeiras right now?

The current temperature in Oeiras is 36.0°C (feels like 36.0°C). Humidity is 21.4% and wind speed is 47.5 km/h.

Is it safe to go outside in Oeiras?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.9 (Moderate).

Air Quality in Oeiras, Brazil

Windy

36.0°C · 21.4% humidity

36.0°

Feels 36.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

25 2pm

25 5pm

25 8pm

25 11pm

27 2am

27 5am

27 8am

27 11am

View AQI history for Oeiras →

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

21.4%

Humidity

47.5 km/h

Wind SE

1011.0 hPa

Pressure

2.9

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.0 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Oeiras?

Temperature & Precipitation

PM2.56.0 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.9

Moderate

What is the 7-day forecast for Oeiras?

07-21

36.0° 20.6°

07-22

36.1° 21.9°

07-23

37.4° 24.3°

07-24

36.4° 24.3°

07-25

35.4° 26.7°

07-26

38.1° 26.6°

07-27

37.7° 20.1°

Both models agree Avg diff: 1.8°C

What cities are near Oeiras?

25 Picos 25 Valença do Piauí 25 Floriano 25 Barão de Grajaú 26 Regeneração 25 Jaicós 26 Amarante 25 Água Branca 25 São João do Piauí 25 Canto do Buriti

Get AQI alerts for Oeiras

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T20:01 UTC.