Setúbal: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Pollution and air quality forecast for Setúbal. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Setúbal:

1. particulate matter (PM2.5) dust - 5 (Good)
2. particulate matter (PM10) suspended dust - 14 (Good)
3. ozone (O3) - 56 (Good)
4. nitrogen dioxide (NO2) - 6 (Good)
5. sulfur dioxide (SO2) - 1 (Good)
6. carbon monoxide (CO) - 164 (Good)

Real-time Air Quality Index (AQI) for Setúbal, Thursday, August 27, 2026: 1.

What is the current level of PM2.5 in Setúbal? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 5 (Good) For comparison, the highest level of PM2.5 in Setúbal in the last 7 days was: 8 (Thursday, August 20, 2026) and the lowest: 4 (Thursday, August 27, 2026).

What is the level of PM10 today in Setúbal? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Setúbal is: 14 (Good)

How is the O3 level today in Setúbal? (ozone (O3))
56 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
6 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
1 (Good)

How high is the CO level? (carbon monoxide (CO))
164 (Good)

Current data Thursday, August 27, 2026 at 2:00 AM

Quality of life in Setúbal

Setúbal

Thursday, August 27, 2026 at 2:00 AM

🌦️ Weather · 16-day Forecast — Portugal

16-day weather forecast for Portugal: today around 25°C (rain), lows near 21°C. Daily temperature and conditions, updated every day. Strong wind (about 29 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Portugal

The UV index in Portugal today is 6.8 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Setúbal — compare nearby locations.

• Lisbon 5 µg/m³
• Porto 5 µg/m³
• Braga 6 µg/m³
• Coimbra 4 µg/m³
• Funchal Municipality 4 µg/m³

Frequently asked questions

Is the air safe to breathe in Setúbal today?

The current average PM2.5 across Setúbal is about 5 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Setúbal?

Right now PM2.5 in Setúbal averages about 5 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Setúbal?

Over the past week, the highest daily PM2.5 in Setúbal was recorded on Thursday, August 20 (about 8 µg/m³).

What is the UV index in Setúbal today?

The UV index in Setúbal today is 6.8 (high) — unprotected fair skin can burn in about 30 minutes.

Does today's wind help disperse smog in Setúbal?

Strong wind (about 29 km/h) is actively clearing smog and dust away.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.