Air Quality in São Mateus, Brazil
Drizzle
15.5°C · 92.2% humidity
15.5°
Feels 15.5°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
26 stations
Nearby Monitoring Stations
AQI Forecast
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Station readings
86
107
66
Air Quality Index Trend
47h · 1 stnSão Mateus'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▲
12.48 µg/m³
PM10
41.2 µg/m³
050100150200300500
What is the weather forecast for São Mateus?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.512.48 µg/m³
✓ WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX0.0
Low
Station readings (26 stations within 25 km)
12.48
Median
13.26
Average
4.8
Low
28.65
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +1.0
What is the 7-day forecast for São Mateus?
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 Mateus?
50
Sapopemba, São Paulo
91
Itaquera, São Paulo, Brazil
59
Itaquera, São Paulo, Brazil
89
Itaquera, São Paulo, Brazil
34
S.André-Capuava, São Paulo, Brazil
50
S.André-Capuava, São Paulo, Brazil
55
S.André-Capuava, São Paulo, Brazil
42
S.André-Capuava, São Paulo, Brazil
26
Mauá, São Paulo, Brazil
30
Mauá, 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 2026-10-21T23:32 UTC.