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

3 weather warnings in effect for Argentina 🌧️ Heavy rain🌨️ Snow / blizzard💨 Strong wind

Latest air quality data: Mar del Plata

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

particulate matter (PM2.5) dust - 5 (Good)
particulate matter (PM10) suspended dust - 7 (Good)
ozone (O3) - 45 (Good)
nitrogen dioxide (NO2) - 5 (Good)
sulfur dioxide (SO2) - 2 (Good)
carbon monoxide (CO) - 153 (Good)

Real-time Air Quality Index (AQI) for Mar del Plata, Wednesday, August 26, 2026: 1.

AQI 1 Good

What is the air quality in Mar del Plata today? Is the air polluted in Mar del Plata?. 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 Mar del Plata.

What is the current level of PM2.5 in Mar del Plata? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 5 (Good) For comparison, the highest level of PM2.5 in Mar del Plata in the last 7 days was: 9 (Sunday, August 23, 2026) and the lowest: 2 (Wednesday, August 19, 2026).

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

How is the O3 level today in Mar del Plata? (ozone (O3))
45 (Good)

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

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

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

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

PM2,5 5 (Good)

PM10 7 (Good)

O3 45 (Good)

NO2 5 (Good)

SO2 2 (Good)

CO 153 (Good)

Data on air pollution from recent days in Mar del Plata

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	4 Good	5 Good	4 Good	9 Good	5 Good	9 Good	6 Good	2 Good
pm10	5 Good	8 Good	7 Good	15 Good	9 Good	16 Good	10 Good	2 Good
o3	49 Good	51 Good	52 Good	60 Good	54 Good	55 Good	47 Good	42 Good
no2	3 Good	2 Good	2 Good	1 Good	1 Good	1 Good	2 Good	4 Good
so2	1 Good	1 Good	0 Good	0 Good	0 Good	0 Good	1 Good	1 Good
co	136 Good	120 Good	114 Good	75 Good	75 Good	82 Good	97 Good	139 Good

data source »

Mar del Plata

Wednesday, August 26, 2026 at 10:00 PM

PM2,5 5.1 (Good)

particulate matter (PM2.5) dust

PM10 6.5 (Good)

particulate matter (PM10) suspended dust

O3 45 (Good)

ozone (O3)

NO2 5.4 (Good)

nitrogen dioxide (NO2)

SO2 1.8 (Good)

sulfur dioxide (SO2)

CO 153 (Good)

carbon monoxide (CO)

Mar del Plata

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	1.9	6.1	9.4	5.3	8.8	4.2	5.2	3.7
pm10	2.3	9.5	16	8.6	15	6.7	7.7	5.1
o3	42	47	55	54	60	52	51	49
no2	3.9	2.1	0.79	0.82	0.54	2	2.2	3.1
so2	0.9	0.54	0.29	0.38	0.21	0.49	0.8	1.2
co	139	97	82	75	75	114	120	136

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

🌦️ 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 Mar del Plata — compare nearby locations.

Buenos Aires 13 µg/m³
Córdoba 9 µg/m³
Rosario 7 µg/m³
Mendoza 4 µg/m³
Tucumán 17 µg/m³
La Plata 7 µg/m³
Quilmes 13 µg/m³
Salta 5 µg/m³

Frequently asked questions

Is the air safe to breathe in Mar del Plata today?

The current average PM2.5 across Mar del Plata 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 Mar del Plata?

Right now PM2.5 in Mar del Plata 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 Mar del Plata?

Over the past week, the highest daily PM2.5 in Mar del Plata was recorded on Friday, August 21 (about 9 µg/m³).

What is the UV index in Mar del Plata today?

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

Does today's wind help disperse smog in Mar del Plata?

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.