Air Quality in São Mateus, Brazil

Clear
23.9°C · 48.2% humidity
23.9°
Feels 23.9°
88
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
17 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
76 10am
40
43
88 1pm
83
75
89 4pm
85
82
80 7pm
90
89
105 10pm
87
87
87 1am
87
86
86 4am
86
86
103 7am
103
104
Station readings
76
40
43
CAMS model adj +20
54
54
34
27
34
34
54
54
54
54
66
66
83
66
66
66
66
66
66
66
66
83
83
84
AD 728×90

Air Quality Index Trend

47h · 2 stn

São Mateus's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons. Current PM2.5 concentration in São Mateus is 2.0× the WHO 24-hour guideline of 15 µg/m³.

48.2%
Humidity
37.8 km/h
Wind WNW
1016.3 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
88
29.66 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for São Mateus?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.529.66 µg/m³ ×2.0 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (17 stations within 25 km)
29.66
Median
26.84
Average
6.83
Low
50.1
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -19.7

What is the 7-day forecast for São Mateus?

06-09
23.9° 13.0°
06-10
17.0° 13.0°
0.62 mm
06-11
18.9° 12.1°
1.31 mm
06-12
21.0° 13.9°
1.44 mm
06-13
22.5° 13.4°
7.06 mm
06-14
23.8° 16.0°
5.06 mm
06-15
18.9° 12.5°
5.81 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near São Mateus?

41
Itaquera, São Paulo, Brazil
3.1 km PM2.5: 9.8 µg/m³
12
S.André-Capuava, São Paulo, Brazil
4.0 km PM2.5: 2.9 µg/m³
10
Mauá, São Paulo, Brazil
7.1 km PM2.5: 2.4 µg/m³
56
S.Bernardo-Centro, São Paulo, Brazil
12.4 km PM2.5: 14.5 µg/m³
128
S.Bernardo-Centro, São Paulo, Brazil
12.4 km PM2.5: 46.5 µg/m³
116
Itaim Paulista, São Paulo, Brazil
13.0 km PM2.5: 41.6 µg/m³
13
Itaim Paulista, São Paulo, Brazil
13.0 km PM2.5: 3.1 µg/m³
64
Mooca, São Paulo, Brazil
13.9 km PM2.5: 18.3 µg/m³
85
Mooca, São Paulo, Brazil
13.9 km PM2.5: 28.3 µg/m³
32
Diadema, São Paulo, Brazil
16.2 km PM2.5: 7.7 µg/m³

What cities are near São Mateus?

89 Sao Rafael 91 Parque Do Carmo 88 Sapopemba 87 Cidade Lider 88 Aricanduva 88 Iguatemi 86 Jose Bonifacio 90 Sao Lucas 101 Mauá 84 Artur Alvim
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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 2026-06-09T16:13 UTC.