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

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

1. particulate matter (PM2.5) dust - 26 (Moderate)
2. particulate matter (PM10) suspended dust - 26 (Moderate)
3. ozone (O3) - 47 (Good)
4. nitrogen dioxide (NO2) - 54 (Moderate)
5. sulfur dioxide (SO2) - 48 (Good)
6. carbon monoxide (CO) - 2116 (Moderate)

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

What is the current level of PM2.5 in Puente Alto? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 26 (Moderate) For comparison, the highest level of PM2.5 in Puente Alto in the last 7 days was: 42 (Wednesday, August 19, 2026) and the lowest: 8 (Sunday, August 23, 2026).

What is the level of PM10 today in Puente Alto? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Puente Alto is: 26 (Moderate)

How is the O3 level today in Puente Alto? (ozone (O3))
47 (Good)

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

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

How high is the CO level? (carbon monoxide (CO))
2116 (Moderate)

Current data Wednesday, August 26, 2026 at 9:00 PM

Quality of life in Puente Alto

Puente Alto

Wednesday, August 26, 2026 at 9:00 PM

🌦️ Weather · 16-day Forecast — Chile

16-day weather forecast for Chile: today around 24°C (cloudy), lows near 13°C. Daily temperature and conditions, updated every day. A moderate breeze (about 15 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Chile

The UV index in Chile today is 5.2 (moderate) — unprotected fair skin can burn in about 40 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Puente Alto — compare nearby locations.

• Santiago 49 µg/m³
• Antofagasta 10 µg/m³
• Viña del Mar 30 µg/m³
• Talcahuano 12 µg/m³
• Temuco 4 µg/m³
• Iquique 4 µg/m³
• Concepción 12 µg/m³
• Rancagua 34 µg/m³

Frequently asked questions

Is the air safe to breathe in Puente Alto today?

The current average PM2.5 across Puente Alto is about 26 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in Puente Alto?

Right now PM2.5 in Puente Alto averages about 26 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Puente Alto?

Over the past week, the highest daily PM2.5 in Puente Alto was recorded on Wednesday, August 19 (about 42 µg/m³).

What is the UV index in Puente Alto today?

The UV index in Puente Alto today is 5.2 (moderate) — unprotected fair skin can burn in about 40 minutes.

Does today's wind help disperse smog in Puente Alto?

A moderate breeze (about 15 km/h) is partially dispersing pollutants today.

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.