Air Quality in Bahía Blanca 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: Bahía Blanca

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

particulate matter (PM2.5) dust - 2 (Good)
particulate matter (PM10) suspended dust - 2 (Good)
ozone (O3) - 50 (Good)
nitrogen dioxide (NO2) - 2 (Good)
sulfur dioxide (SO2) - 1 (Good)
carbon monoxide (CO) - 128 (Good)

Real-time Air Quality Index (AQI) for Bahía Blanca, Wednesday, August 26, 2026: 1.

AQI 1 Good

What is the air quality in Bahía Blanca today? Is the air polluted in Bahía Blanca?. 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 Bahía Blanca.

What is the current level of PM2.5 in Bahía Blanca? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 2 (Good) For comparison, the highest level of PM2.5 in Bahía Blanca in the last 7 days was: 5 (Sunday, August 23, 2026) and the lowest: 1 (Wednesday, August 19, 2026).

What is the level of PM10 today in Bahía Blanca? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Bahía Blanca is: 2 (Good)

How is the O3 level today in Bahía Blanca? (ozone (O3))
50 (Good)

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

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

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

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

PM2,5 2 (Good)

PM10 2 (Good)

O3 50 (Good)

NO2 2 (Good)

SO2 1 (Good)

CO 128 (Good)

Data on air pollution from recent days in Bahía Blanca

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	4 Good	4 Good	5 Good	3 Good	5 Good	4 Good	1 Good
pm10	4 Good	5 Good	6 Good	8 Good	4 Good	8 Good	6 Good	1 Good
o3	48 Good	50 Good	42 Good	47 Good	41 Good	44 Good	47 Good	45 Good
no2	2 Good	2 Good	2 Good	2 Good	1 Good	1 Good	1 Good	2 Good
so2	1 Good	1 Good	1 Good	1 Good	0 Good	0 Good	1 Good	1 Good
co	113 Good	98 Good	103 Good	83 Good	93 Good	95 Good	98 Good	109 Good

data source »

Quality of life in Bahía Blanca

Green and Parks in the City

Bahía Blanca 60%

Uruguay: 65% Chile: 40% Montenegro: 53% Falkland Islands: 100% Paraguay: 46%

Pleasure of spending time in the city

Bahía Blanca 60%

Uruguay: 67% Chile: 35% Montenegro: 69% Falkland Islands: 100% Paraguay: 49%

Air Pollution

Bahía Blanca 55%

Uruguay: 29% Chile: 77% Montenegro: 40% Falkland Islands: 0% Paraguay: 56%

Garbage Disposal

Bahía Blanca 50%

Uruguay: 34% Chile: 40% Montenegro: 42% Falkland Islands: 88% Paraguay: 30%

Availability and quality of drinking water

Bahía Blanca 40%

Uruguay: 73% Chile: 58% Montenegro: 71% Falkland Islands: 100% Paraguay: 57%

Cleanliness and tidiness

Bahía Blanca 35%

Uruguay: 38% Chile: 36% Montenegro: 51% Falkland Islands: 88% Paraguay: 26%

Noise and Light pollution

Bahía Blanca 50%

Uruguay: 48% Chile: 60% Montenegro: 32% Paraguay: 52%

Water Pollution

Bahía Blanca 65%

Uruguay: 46% Chile: 62% Montenegro: 38% Falkland Islands: 0% Paraguay: 65%

Source: Numbeo

Bahía Blanca

Wednesday, August 26, 2026 at 10:00 PM

PM2,5 1.6 (Good)

particulate matter (PM2.5) dust

PM10 1.6 (Good)

particulate matter (PM10) suspended dust

O3 50 (Good)

ozone (O3)

NO2 2.3 (Good)

nitrogen dioxide (NO2)

SO2 0.5 (Good)

sulfur dioxide (SO2)

CO 128 (Good)

carbon monoxide (CO)

Bahía Blanca

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	0.72	3.6	4.8	2.8	5.4	3.9	3.7	3.7
pm10	0.73	5.5	7.6	3.9	8.3	5.5	4.5	4.1
o3	45	47	44	41	47	42	50	48
no2	1.6	1.4	1.1	1.4	1.6	2.3	1.6	1.9
so2	0.77	0.61	0.41	0.43	0.7	0.82	1.1	0.66
co	109	98	95	93	83	103	98	113

* 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 Bahía Blanca — 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
Mar del Plata 5 µg/m³
Quilmes 13 µg/m³

Frequently asked questions

Is the air safe to breathe in Bahía Blanca today?

The current average PM2.5 across Bahía Blanca is about 2 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Bahía Blanca?

Right now PM2.5 in Bahía Blanca averages about 2 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 Bahía Blanca?

Over the past week, the highest daily PM2.5 in Bahía Blanca was recorded on Sunday, August 23 (about 5 µg/m³).

What is the UV index in Bahía Blanca today?

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

Does today's wind help disperse smog in Bahía Blanca?

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.