Air Quality in São Caetano do Sul, Brazil

Drizzle
15.5°C · 92.2% humidity
15.5°
Feels 15.5°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
37 stations

Nearby Monitoring Stations

AQI Forecast
86 5pm
94
82
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Station readings
86
94
82

Air Quality Index Trend

47h · 2 stn

São 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.

92.2%
Humidity
65.8 km/h
Wind SE
1019.1 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.66 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for São Caetano do Sul?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.513.66 µg/m³ ✓ WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX0.0
Low
Station readings (37 stations within 25 km)
13.66
Median
14.17
Average
4.8
Low
30.69
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -0.2

What is the 7-day forecast for São Caetano do Sul?

10-21
21.9° 15.4°
1.19 mm
10-22
20.0° 13.6°
6.87 mm
10-23
26.8° 14.5°
1.0 mm
10-24
25.5° 13.6°
5.5 mm
10-25
18.1° 14.0°
9.38 mm
10-26
18.6° 14.2°
14.94 mm
10-27
27.5° 16.5°
11.0 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near São Caetano do Sul?

50
Sapopemba, São Paulo
5.3 km PM2.5: 12.0 µg/m³ PM10: 23.0 µg/m³
42
S.André-Capuava, São Paulo, Brazil
6.3 km PM2.5: 10.1 µg/m³
34
S.André-Capuava, São Paulo, Brazil
6.3 km PM2.5: 8.2 µg/m³
50
S.André-Capuava, São Paulo, Brazil
6.3 km PM2.5: 12.0 µg/m³
55
S.André-Capuava, São Paulo, Brazil
6.3 km PM2.5: 14.0 µg/m³
21
S.Bernardo-Centro, São Paulo, Brazil
8.4 km PM2.5: 5.0 µg/m³
68
S.Bernardo-Centro, São Paulo, Brazil
8.4 km PM2.5: 20.2 µg/m³
30
S.Bernardo-Centro, São Paulo, Brazil
8.4 km PM2.5: 7.2 µg/m³
72
S.Bernardo-Centro, São Paulo, Brazil
8.4 km PM2.5: 22.1 µg/m³
59
Diadema, São Paulo, Brazil
9.3 km PM2.5: 15.9 µg/m³

What cities are near São Caetano do Sul?

54 Sao Lucas 56 Vila Prudente 52 Sapopemba 51 Santo André 58 Sacomã 55 Vila Formosa 53 Aricanduva 56 Agua Rasa 59 Ipiranga 58 Cursino
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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 2026-10-21T23:33 UTC.