Air Quality in São Mateus, Brazil

Windy
16.6°C · 90.7% humidity
16.6°
Feels 16.6°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
24 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
89 6am
101
101
46 9am
62
90
98 12pm
104
108
111 3pm
96
97
98 6pm
99
88
88 9pm
59
59
59 12am
59
59
59 3am
59
59
Station readings
104
89
79
CAMS model adj +35
54
66
66
66
66
83
83
83
83
83
66
66
66
66
54
54
25
25
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

45h · 1 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.

90.7%
Humidity
41.0 km/h
Wind SE
1020.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
46
11.03 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for São Mateus?

Temperature & Precipitation

PM2.5 Trend

45h · 1 station
PM2.511.03 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (24 stations within 25 km)
11.03
Median
15.08
Average
4.1
Low
30.93
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +2.7

What is the 7-day forecast for São Mateus?

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: 5.8°C

Where are air quality stations near São Mateus?

46
Itaquera, São Paulo, Brazil
3.1 km PM2.5: 11.0 µg/m³
14
Itaquera, São Paulo, Brazil
3.1 km PM2.5: 3.4 µg/m³
42
Itaquera, São Paulo, Brazil
3.1 km PM2.5: 10.1 µg/m³
68
S.André-Capuava, São Paulo, Brazil
4.0 km PM2.5: 20.2 µg/m³
55
S.André-Capuava, São Paulo, Brazil
4.0 km PM2.5: 14.0 µg/m³
65
S.André-Capuava, São Paulo, Brazil
4.0 km PM2.5: 18.8 µg/m³
38
Mauá, São Paulo, Brazil
7.1 km PM2.5: 9.1 µg/m³
47
Mauá, São Paulo, Brazil
7.1 km PM2.5: 11.3 µg/m³
13
Mauá, São Paulo, Brazil
7.1 km PM2.5: 3.1 µg/m³
38
Mauá, São Paulo, Brazil
7.1 km PM2.5: 9.1 µg/m³

What cities are near São Mateus?

45 Sao Rafael 44 Parque Do Carmo 54 Sapopemba 49 Cidade Lider 53 Aricanduva 47 Iguatemi 45 Jose Bonifacio 56 Sao Lucas 48 Mauá 50 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 2026-09-05T12:48 UTC.