Air Quality in Buenos Aires Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

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

1. particulate matter (PM2.5) dust - 13 (Moderate)
2. particulate matter (PM10) suspended dust - 14 (Good)
3. ozone (O3) - 3 (Good)
4. nitrogen dioxide (NO2) - 40 (Moderate)
5. sulfur dioxide (SO2) - 9 (Good)
6. carbon monoxide (CO) - 274 (Good)

Real-time Air Quality Index (AQI) for Buenos Aires, Wednesday, August 26, 2026: 2.

What is the current level of PM2.5 in Buenos Aires? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 13 (Moderate) For comparison, the highest level of PM2.5 in Buenos Aires in the last 7 days was: 20 (Thursday, August 20, 2026) and the lowest: 7 (Sunday, August 23, 2026).

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

How is the O3 level today in Buenos Aires? (ozone (O3))
3 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
40 (Moderate)

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

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

Current data Wednesday, August 26, 2026 at 10:00 PM

Quality of life in Buenos Aires

Buenos Aires

Wednesday, August 26, 2026 at 10:00 PM

🌦️ Weather · 16-day Forecast — Argentina

16-day weather forecast for Argentina: today around 13°C (cloudy), lows near 1°C. Daily temperature and conditions, updated every day. Strong wind (about 28 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Argentina

The UV index in Argentina today is 3.7 (moderate) — unprotected fair skin can burn in about 55 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Buenos Aires — compare nearby locations.

• Córdoba 9 µg/m³
• Rosario 7 µg/m³
• Mendoza 4 µg/m³
• Tucumán 17 µg/m³
• La Plata 7 µg/m³
• Mar del Plata 5 µg/m³
• Quilmes 13 µg/m³
• Salta 5 µg/m³

Frequently asked questions

Is the air safe to breathe in Buenos Aires today?

The current average PM2.5 across Buenos Aires is about 13 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Buenos Aires?

Right now PM2.5 in Buenos Aires averages about 13 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 Buenos Aires?

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

What is the UV index in Buenos Aires today?

The UV index in Buenos Aires today is 3.7 (moderate) — unprotected fair skin can burn in about 55 minutes.

Does today's wind help disperse smog in Buenos Aires?

Strong wind (about 28 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.