Air Quality in São Sebastião do Caí, Brazil

Cloudy
10.3°C · 84.0% humidity
10.3°
Feels 10.3°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
20 4am
18
25
31 7am
30
29
16 10am
15
15
1 1pm
0
0
0 4pm
0
14
14 7pm
14
14
26 10pm
26
26
26 1am
26
26
Station readings
20
18
25
34
CAMS model adj -40
66
54
54
66
66
66
54
54
54
34
34
34
27
34
54
54
54
54
66
66
66
66
66
66
AD 728×90

Air Quality Index Trend

48h · 3 stn

São 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.

84.0%
Humidity
8.2 km/h
Wind ENE
1030.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
31
7.53 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for São Sebastião do Caí?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.57.53 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
7.53
Median
7.53
Average
7.53
Low
7.53
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +8.8

What is the 7-day forecast for São Sebastião do Caí?

05-30
23.7° 9.8°
0.13 mm
05-31
16.3° 11.7°
3.13 mm
06-01
19.8° 7.5°
7.56 mm
06-02
16.5° 11.7°
0.19 mm
06-03
17.2° 11.9°
06-04
22.8° 8.8°
0.19 mm
06-05
12.1° 8.7°
0.56 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near São Sebastião do Caí?

43
brazil-novo-hamburgo-rua-osório
25.0 km PM2.5: 10.4 µg/m³ PM10: 15.0 µg/m³
32
brazil-são-leopoldo-rua-são-joaquim
29.8 km PM2.5: 7.7 µg/m³ PM10: 14.7 µg/m³
30
brazil-são-leopoldo-rua-lindolfo-collor
30.2 km PM2.5: 7.2 µg/m³ PM10: 10.7 µg/m³
25
brazil-são-leopoldo-rua-américa
31.1 km PM2.5: 5.9 µg/m³ PM10: 11.6 µg/m³

What cities are near São Sebastião do Caí?

34 Montenegro 25 Portão 28 Estância Velha 27 Ivoti 30 Novo Hamburgo 26 Dois Irmãos 22 São Leopoldo 23 Nova Santa Rita 26 Campo Bom 22 Sapucaia do Sul
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T10:44 UTC.