Air Quality in São Caetano do Sul, Brazil

Clear
29.4°C · 29.9% humidity
29.4°
Feels 29.4°
56
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
22 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
49 7pm
41
50
56 10pm
54
53
52 1am
40
39
51 4am
51
50
50 7am
50
67
50 10am
50
50
50 1pm
38
38
38 4pm
38
38
Station readings
49
41
CAMS model adj -16
54
54
66
66
66
66
66
54
54
66
66
66
66
66
83
66
66
66
66
54
54
54
54
54
AD 728×90

Air Quality Index Trend

46h · 3 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.

29.9%
Humidity
31.0 km/h
Wind SE
1015.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
56
14.35 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for São Caetano do Sul?

Temperature & Precipitation

PM2.5 Trend

46h · 3 stations
PM2.514.35 µg/m³ ✓ WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (22 stations within 25 km)
14.35
Median
12.47
Average
2.98
Low
37.9
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +2.0

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

08-03
29.4° 13.0°
08-04
29.4° 12.0°
0.81 mm
08-05
27.8° 18.0°
08-06
26.1° 12.9°
0.62 mm
08-07
21.6° 16.0°
08-08
28.0° 17.9°
08-09
28.5° 20.3°
Both models agree Avg diff: 3.2°C

Where are air quality stations near São Caetano do Sul?

34
S.André-Capuava, São Paulo, Brazil
6.3 km PM2.5: 8.2 µg/m³
34
S.André-Capuava, São Paulo, Brazil
6.3 km PM2.5: 8.2 µg/m³
25
S.André-Capuava, São Paulo, Brazil
6.3 km PM2.5: 6.0 µg/m³
10
S.Bernardo-Centro, São Paulo, Brazil
8.4 km PM2.5: 2.4 µg/m³
14
S.Bernardo-Centro, São Paulo, Brazil
8.4 km PM2.5: 3.4 µg/m³
107
S.Bernardo-Centro, São Paulo, Brazil
8.4 km PM2.5: 37.9 µg/m³
14
Diadema, São Paulo, Brazil
9.3 km PM2.5: 3.4 µg/m³
11
Diadema, São Paulo, Brazil
9.3 km PM2.5: 2.6 µg/m³
17
Diadema, São Paulo, Brazil
9.3 km PM2.5: 4.1 µg/m³
15
Diadema, São Paulo, Brazil
9.3 km PM2.5: 3.6 µg/m³

What cities are near São Caetano do Sul?

54 Sao Lucas 54 Vila Prudente 54 Sapopemba 71 Santo André 53 Sacomã 53 Vila Formosa 53 Aricanduva 54 Agua Rasa 54 Ipiranga 52 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 2026-08-08T01:00 UTC.