What is the air quality in Castro today?

The current Air Quality Index (AQI) in Castro is 45 (Good). PM2.5 concentration is 10.85 µg/m³.

What is the temperature in Castro right now?

The current temperature in Castro is 10.5°C (feels like 10.5°C). Humidity is 86.5% and wind speed is 74.3 km/h.

Is it safe to go outside in Castro?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Castro, Brazil

Windy

10.5°C · 86.5% humidity

10.5°

Feels 10.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

27 4am

45 7am

29 10am

26 1pm

25 4pm

24 7pm

25 10pm

27 1am

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.

86.5%

Humidity

74.3 km/h

Wind E

1025.3 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.85 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Castro?

Temperature & Precipitation

PM2.510.85 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX0.7

Low

Both models agree Avg diff: 3.6°C

What cities are near Castro?

42 Piraí do Sul 45 Ponta Grossa 54 Tibagi 41 Jaguariaíva 42 Palmeira 41 Arapoti 42 Cerro Azul 42 Imbituva 54 Telêmaco Borba 45 Itaperuçu

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

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T10:46 UTC.