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Wind, rain and temperature — Alter do ChãoLoading map…
Air Quality
Alter do Chão • 3 daysGood
Moderate
Sensitive groups
Unhealthy
Very unhealthy
Hazardous
Today 19/09
😊
Good AQI 20 / 300
PM2.5
4.8 µg/m³
PM10
6.8 µg/m³
Ozone (O₃)
65.0 µg/m³
Nitrogen dioxide (NO₂)
2.5 µg/m³
Sulfur dioxide (SO₂)
0.3 µg/m³
Carbon monoxide (CO)
133.0 µg/m³
Tomorrow 20/09
😊
Good AQI 14 / 300
PM2.5
3.3 µg/m³
PM10
5.0 µg/m³
Ozone (O₃)
64.7 µg/m³
Nitrogen dioxide (NO₂)
1.5 µg/m³
Sulfur dioxide (SO₂)
0.2 µg/m³
Carbon monoxide (CO)
129.8 µg/m³
Mon 21/09
😊
Good AQI 13 / 300
PM2.5
3.1 µg/m³
PM10
4.9 µg/m³
Ozone (O₃)
61.4 µg/m³
Nitrogen dioxide (NO₂)
1.9 µg/m³
Sulfur dioxide (SO₂)
0.2 µg/m³
Carbon monoxide (CO)
131.4 µg/m³
Parishes
Alter do ChãoNearby cities
Alter do Chão and regionadvertisement
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Air quality in Alter do Chão (PG)
Air quality in Alter do Chão (Portalegre) with up-to-date data for today, tomorrow and the day after: air quality index (AQI), fine particulate matter PM2.5 and PM10, ozone (O₃), nitrogen dioxide (NO₂), sulfur dioxide (SO₂) and carbon monoxide (CO). Find out whether the air is Good, Moderate, Unhealthy or Hazardous and make safer decisions for outdoor activities.
