Air Quality in Portão, Brazil

Drizzle
25.9°C · 74.9% humidity
25.9°
Feels 25.9°
8
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
7 9am
7
11
8 12pm
8
6
4 3pm
3
2
1 6pm
1
1
1 9pm
0
0
0 12am
6
6
26 3am
26
26
26 6am
0
0
Station readings
7
7
11
CAMS model adj -28
34
27
25
25
25
25
25
25
25
25
25
27
27
27
27
27
34
34
54
54
54
54
27
25
AD 728×90

Air Quality Index Trend

47h · 6 stn

Portão's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.

74.9%
Humidity
55.1 km/h
Wind WNW
1003.8 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
8
1.91 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Portão?

Temperature & Precipitation

PM2.5 Trend

47h · 6 stations
PM2.51.91 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (7 stations within 25 km)
1.91
Median
2.01
Average
0.4
Low
6.8
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +4.1

What is the 7-day forecast for Portão?

09-05
25.9° 12.9°
1.13 mm
09-06
17.9° 12.7°
45.19 mm
09-07
28.3° 14.6°
13.81 mm
09-08
22.9° 11.2°
14.0 mm
09-09
18.1° 6.3°
2.25 mm
09-10
22.8° 15.1°
5.0 mm
09-11
23.5° 15.0°
6.56 mm
Both models agree Avg diff: 4.7°C

Where are air quality stations near Portão?

4
brazil-novo-hamburgo-rua-osório
9.2 km PM2.5: 1.0 µg/m³ PM10: 1.6 µg/m³
7
brazil-são-leopoldo-rua-são-joaquim
11.7 km PM2.5: 1.7 µg/m³ PM10: 4.0 µg/m³
7
brazil-são-leopoldo-rua-lindolfo-collor
12.1 km PM2.5: 1.6 µg/m³ PM10: 3.1 µg/m³
68
brazil-são-leopoldo-rua-lindolfo-collor
12.1 km PM2.5: 20.3 µg/m³ PM10: 27.0 µg/m³
34
brazil-são-leopoldo-rua-américa
12.9 km PM2.5: 8.1 µg/m³ PM10: 8.6 µg/m³
12
brazil-campo-bom-avenida-independência
17.4 km PM2.5: 3.0 µg/m³ PM10: 3.0 µg/m³
2
brazil-novo-hamburgo-rua-joão-aloysio-algayer
21.5 km PM2.5: 0.4 µg/m³ PM10: 1.0 µg/m³
5
brazil-novo-hamburgo-rua-joão-aloysio-algayer
21.5 km PM2.5: 1.1 µg/m³ PM10: 1.1 µg/m³

What cities are near Portão?

6 Estância Velha 5 Novo Hamburgo 5 São Leopoldo 8 Ivoti 13 Sapucaia do Sul 11 Nova Santa Rita 3 São Sebastião do Caí 14 Campo Bom 10 Esteio 9 Dois Irmãos
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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 2026-09-05T15:47 UTC.