Air Quality in São Mateus, Brazil
Clear
29.4°C · 29.9% humidity
29.4°
Feels 29.4°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
16 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
33
6pm
34
35
52
9pm
49
48
46
12am
45
33
32
3am
44
44
43
6am
43
43
60
9am
43
43
43
12pm
43
31
31
3pm
31
31
Station readings
33
34
35
CAMS model
adj -23
54
54
54
66
66
66
66
66
54
54
66
66
66
66
66
83
66
66
66
66
54
54
54
54
Air Quality Index Trend
47h · 2 stnSão Mateus'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▲
12.76 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for São Mateus?
Temperature & Precipitation
PM2.5 Trend
47h · 2 stationsPM2.512.76 µg/m³
✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
Station readings (16 stations within 25 km)
12.76
Median
12.77
Average
2.98
Low
37.9
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +0.7
What is the 7-day forecast for São Mateus?
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 Mateus?
34
Itaquera, São Paulo, Brazil
50
Itaquera, São Paulo, Brazil
50
Itaquera, São Paulo, Brazil
34
Itaquera, São Paulo, Brazil
34
S.André-Capuava, São Paulo, Brazil
25
S.André-Capuava, São Paulo, Brazil
34
S.André-Capuava, São Paulo, Brazil
49
Mauá, São Paulo, Brazil
14
S.Bernardo-Centro, São Paulo, Brazil
107
S.Bernardo-Centro, São Paulo, Brazil
What cities are near São Mateus?
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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 2026-08-08T00:58 UTC.