What is the air quality in Castro today?

The current Air Quality Index (AQI) in Castro is 24 (Good). PM2.5 concentration is 5.8 µg/m³.

What is the temperature in Castro right now?

The current temperature in Castro is 13.3°C (feels like 13.3°C). Humidity is 93.5% and wind speed is 58.7 km/h.

Is it safe to go outside in Castro?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Castro, Brazil

Drizzle

13.3°C · 93.5% humidity

13.3°

Feels 13.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

— 6pm

—

— 9pm

—

— 12am

—

— 3am

—

— 6am

—

— 9am

—

— 12pm

—

— 3pm

—

View AQI history for Castro →

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

93.5%

Humidity

58.7 km/h

Wind ESE

1019.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.8 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Castro?

Temperature & Precipitation

PM2.55.8 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Castro?

10-22

16.6° 10.8°

4.5 mm

10-23

26.2° 13.5°

0.13 mm

10-24

21.3° 10.9°

2.0 mm

10-25

22.6° 11.1°

1.06 mm

10-26

16.6° 11.4°

22.5 mm

10-27

24.0° 13.1°

26.06 mm

10-28

25.4° 11.8°

0.5 mm

Both models agree Avg diff: 3.0°C

What cities are near Castro?

24 Piraí do Sul 24 Ponta Grossa 27 Tibagi 25 Jaguariaíva 24 Palmeira 25 Arapoti 24 Cerro Azul 25 Imbituva 34 Telêmaco Borba 24 Itaperuçu

Get AQI alerts for Castro

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 2026-10-22T00:13 UTC.