Air Quality in Santiago del Estero Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

Latest air quality data: Santiago del Estero
Pollution and air quality forecast for Santiago del Estero. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Santiago del Estero:
  1. particulate matter (PM2.5) dust - 6 (Good)
  2. particulate matter (PM10) suspended dust - 7 (Good)
  3. ozone (O3) - 67 (Good)
  4. nitrogen dioxide (NO2) - 4 (Good)
  5. sulfur dioxide (SO2) - 1 (Good)
  6. carbon monoxide (CO) - 207 (Good)
Real-time Air Quality Index (AQI) for Santiago del Estero, Wednesday, August 26, 2026: 1.

air quality index: 0
AQI 1 Good

What is the air quality in Santiago del Estero today? Is the air polluted in Santiago del Estero?. Is there smog?

Today (Wednesday, August 26, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Santiago del Estero.


What is the current level of PM2.5 in Santiago del Estero? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 6 (Good) For comparison, the highest level of PM2.5 in Santiago del Estero in the last 7 days was: 4 (Tuesday, August 25, 2026) and the lowest: 2 (Monday, August 24, 2026).

What is the level of PM10 today in Santiago del Estero? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Santiago del Estero is: 7 (Good)

How is the O3 level today in Santiago del Estero? (ozone (O3))
67 (Good)

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

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

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



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

PM2,5 6 (Good)

PM10 7 (Good)

O3 67 (Good)

NO2 4 (Good)

SO2 1 (Good)

CO 207 (Good)

Data on air pollution from recent days in Santiago del Estero

index 2026-08-26 2026-08-25 2026-08-24 2026-08-23 2026-08-22 2026-08-21 2026-08-20 2026-08-19
pm25 3
Good
4
Good
2
Good
2
Good
3
Good
3
Good
3
Good
4
Good
pm10 3
Good
4
Good
2
Good
2
Good
3
Good
3
Good
4
Good
5
Good
o3 71
Moderate
57
Good
44
Good
43
Good
49
Good
57
Good
53
Good
46
Good
no2 2
Good
2
Good
2
Good
2
Good
2
Good
2
Good
3
Good
3
Good
so2 1
Good
1
Good
1
Good
1
Good
1
Good
1
Good
1
Good
1
Good
co 160
Good
133
Good
112
Good
97
Good
108
Good
123
Good
162
Good
177
Good
data source »

Santiago del Estero

Wednesday, August 26, 2026 at 10:00 PM

PM2,5 5.6 (Good)

particulate matter (PM2.5) dust

PM10 6.5 (Good)

particulate matter (PM10) suspended dust

O3 67 (Good)

ozone (O3)

NO2 3.6 (Good)

nitrogen dioxide (NO2)

SO2 0.7 (Good)

sulfur dioxide (SO2)

CO 207 (Good)

carbon monoxide (CO)

Santiago del Estero

index 2026-08-19 2026-08-20 2026-08-21 2026-08-22 2026-08-23 2026-08-24 2026-08-25 2026-08-26
pm25 3.7 3.3 3 2.6 1.9 1.8 3.8 2.7
pm10 4.6 3.6 3.2 3.3 2.2 1.9 3.8 3
o3 46 53 57 49 43 44 57 71
no2 3.1 2.8 2 1.7 1.9 2.1 1.5 1.9
so2 0.82 1.1 0.64 0.86 0.64 0.61 0.51 0.59
co 177 162 123 108 97 112 133 160

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Argentina

🌦️ WEATHER · 16-DAY FORECASTArgentina☁️11°CloudyToday · ↑13° ↓1°💨 8 km/h · 💧 49%Mon24.08☁️13°Tue25.08☁️18°Wed26.08🌧️16°11°Thu27.08☀️19°Fri28.08☁️20°Sat29.08🌧️21°Sun30.08☁️21°Mon31.08🌧️16°10°Tue1.09☁️15°Wed2.09☁️15°Thu3.09☀️22°Fri4.09☁️18°Sat5.09🌧️15°Sun6.09🌧️20°10°Mon7.09🌧️21°Tue8.09🌧️18°11°pollution-alert.com · August 27, 2026

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

☀️ UV INDEX · 16-DAY FORECASTArgentina03681111+3.7UV MODERATEtoday, day maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.⏱ Unprotected fair skin can burn in about 55 min4Wed26.085Thu27.085Fri28.085Sat29.085Sun30.085Mon31.084Tue1.095Wed2.095Thu3.095Fri4.094Sat5.095Sun6.095Mon7.093Tue8.095Wed9.093Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

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 Santiago del Estero — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Santiago del Estero today?
The current average PM2.5 across Santiago del Estero is about 6 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.
What is the current PM2.5 level in Santiago del Estero?
Right now PM2.5 in Santiago del Estero averages about 6 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 Santiago del Estero?
Over the past week, the highest daily PM2.5 in Santiago del Estero was recorded on Tuesday, August 25 (about 4 µg/m³).
What is the UV index in Santiago del Estero today?
The UV index in Santiago del Estero today is 3.7 (moderate) — unprotected fair skin can burn in about 55 minutes.
Does today's wind help disperse smog in Santiago del Estero?
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.