Air Quality in São Caetano do Sul, Brazil
Windy
28.5°C · 21.6% humidity
28.5°
Feels 28.5°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
15
11am
24
19
42
2pm
31
23
37
5pm
33
42
40
8pm
39
26
25
11pm
24
24
4
2am
4
3
3
5am
3
3
23
8am
23
23
Station readings
15
24
19
CAMS model
adj -31
54
34
34
34
34
34
54
54
66
66
66
54
54
54
54
34
34
34
34
34
34
54
54
54
Air Quality Index Trend
47h · 3 stnSão Caetano do Sul's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
21.6%
Humidity
50.5 km/h
Wind NW
1015.3 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.97 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for São Caetano do Sul?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.59.97 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX10.9
Extreme
Station readings (6 stations within 25 km)
9.97
Median
10.84
Average
2.4
Low
24.9
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -1.8
What is the 7-day forecast for São Caetano do Sul?
07-21
28.5° 13.8°
3.38 mm
07-22
27.4° 16.1°
7.81 mm
07-23
20.1° 15.2°
0.38 mm
07-24
29.3° 17.8°
07-25
24.6° 14.8°
07-26
28.5° 16.3°
0.19 mm
07-27
29.4° 13.0°
0.38 mm
Both models agree
Avg diff: 2.6°C
Where are air quality stations near São Caetano do Sul?
64
S.André-Capuava, São Paulo, Brazil
37
S.Bernardo-Centro, São Paulo, Brazil
46
S.Bernardo-Centro, São Paulo, Brazil
58
Diadema, São Paulo, Brazil
54
Diadema, São Paulo, Brazil
23
Mooca, São Paulo, Brazil
33
Mooca, São Paulo, Brazil
33
Itaquera, São Paulo, Brazil
12
Mauá, São Paulo, Brazil
39
Congonhas, São Paulo, Brazil
What cities are near São Caetano 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 2026-07-21T17:16 UTC.