Air Quality in São Caetano do Sul, Brazil

Windy
35.1°C · 17.9% humidity
35.1°
Feels 35.1°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
31 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
48 9am
28
14
45 12pm
53
59
63 3pm
49
52
53 6pm
54
43
44 9pm
15
15
14 12am
15
15
15 3am
15
15
15 6am
16
16
Station readings
48
28
14
CAMS model adj -9
66
66
83
83
83
83
83
66
66
66
66
54
54
25
25
24
24
24
24
24
24
24
25
25
AD 728×90

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.

17.9%
Humidity
90.3 km/h
Wind NW
1007.7 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.93 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for São Caetano do Sul?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.510.93 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (31 stations within 25 km)
10.93
Median
10.88
Average
3.4
Low
24.9
High
PM2.5 µg/m³ · Model: 16.8 · Bias: +5.9

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

09-05
35.1° 16.1°
55.87 mm
09-06
31.8° 14.6°
15.44 mm
09-07
24.2° 17.5°
0.5 mm
09-08
32.3° 13.1°
41.37 mm
09-09
27.2° 9.2°
1.56 mm
09-10
19.6° 16.0°
10.69 mm
09-11
21.3° 17.8°
10.56 mm
Both models agree Avg diff: 6.0°C

Where are air quality stations near São Caetano do Sul?

21
S.Bernardo-Centro, São Paulo, Brazil
8.4 km PM2.5: 5.0 µg/m³
17
S.Bernardo-Centro, São Paulo, Brazil
8.4 km PM2.5: 4.1 µg/m³
53
Diadema, São Paulo, Brazil
9.3 km PM2.5: 13.1 µg/m³
61
Diadema, São Paulo, Brazil
9.3 km PM2.5: 16.9 µg/m³
38
Diadema, São Paulo, Brazil
9.3 km PM2.5: 9.1 µg/m³
61
Diadema, São Paulo, Brazil
9.3 km PM2.5: 16.9 µg/m³
155
Diadema, São Paulo, Brazil
9.3 km PM2.5: 63.2 µg/m³
53
Diadema, São Paulo, Brazil
9.3 km PM2.5: 13.1 µg/m³
50
Diadema, São Paulo, Brazil
9.3 km PM2.5: 12.0 µg/m³
42
Itaquera, São Paulo, Brazil
9.8 km PM2.5: 10.1 µg/m³

What cities are near São Caetano do Sul?

49 Sao Lucas 50 Vila Prudente 48 Sapopemba 37 Santo André 45 Sacomã 51 Vila Formosa 48 Aricanduva 52 Agua Rasa 47 Ipiranga 44 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 2026-09-05T15:11 UTC.