Air Quality in Castro, Brazil
Overcast
15.1°C · 91.5% humidity
15.1°
Feels 15.1°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
AQI Forecast
27
3pm
27
27
42
6pm
38
35
33
9pm
29
28
27
12am
26
28
28
3am
26
27
27
6am
27
27
27
9am
27
27
27
12pm
27
27
Castro's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
91.5%
Humidity
34.9 km/h
Wind W
1018.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Castro?
Temperature & Precipitation
PM2.510.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Castro?
07-21
21.8° 11.0°
0.5 mm
07-22
23.6° 12.1°
3.88 mm
07-23
18.0° 12.0°
3.38 mm
07-24
25.9° 12.9°
07-25
21.9° 5.7°
07-26
24.5° 13.5°
0.06 mm
07-27
25.7° 9.0°
8.25 mm
Both models agree
Avg diff: 3.0°C
What cities are near Castro?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:33 UTC.