Air Quality in São Sebastião do Caí, Brazil
Overcast
12.8°C · 98.8% humidity
12.8°
Feels 12.8°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
21
4pm
25
7
20
7pm
20
20
20
10pm
21
20
21
1am
21
21
21
4am
21
21
21
7am
21
21
21
10am
21
21
21
1pm
21
21
Station readings
21
25
7
CAMS model
adj -4
24
24
24
24
24
24
24
25
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Air Quality Index Trend
47h · 4 stnSão Sebastião do Caí's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
98.8%
Humidity
17.3 km/h
Wind WNW
1020.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.66 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for São Sebastião do Caí?
Temperature & Precipitation
PM2.5 Trend
47h · 4 stationsPM2.54.66 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
4.66
Median
4.66
Average
4.66
Low
4.66
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.2
What is the 7-day forecast for São Sebastião do Caí?
07-21
20.4° 10.4°
18.81 mm
07-22
26.7° 8.4°
14.37 mm
07-23
21.1° 10.5°
07-24
20.5° 15.7°
0.13 mm
07-25
26.7° 6.7°
07-26
17.0° 9.7°
9.13 mm
07-27
15.3° 8.9°
3.94 mm
Both models agree
Avg diff: 5.4°C
Where are air quality stations near São Sebastião do Caí?
8
brazil-novo-hamburgo-rua-osório
3
brazil-são-leopoldo-rua-são-joaquim
3
brazil-são-leopoldo-rua-lindolfo-collor
14
brazil-são-leopoldo-rua-américa
What cities are near São Sebastião do Caí?
Get AQI alerts for São Sebastião do Caí
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T22:20 UTC.