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

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Latest air quality data: Basel

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

particulate matter (PM2.5) dust - 6 (Good)
particulate matter (PM10) suspended dust - 11 (Good)
ozone (O3) - 42 (Good)
nitrogen dioxide (NO2) - 10 (Good)
sulfur dioxide (SO2) - 0 (Good)
carbon monoxide (CO) - 162 (Good)

Real-time Air Quality Index (AQI) for Basel, Thursday, August 27, 2026: 1.

AQI 1 Good

What is the air quality in Basel today? Is the air polluted in Basel?. Is there smog?

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Basel.

What is the current level of PM2.5 in Basel? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 6 (Good) For comparison, the highest level of PM2.5 in Basel in the last 7 days was: 9 (Thursday, August 27, 2026) and the lowest: 3 (Saturday, August 22, 2026).

What is the level of PM10 today in Basel? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Basel is: 11 (Good)

How is the O3 level today in Basel? (ozone (O3))
42 (Good)

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

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

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

Current data Thursday, August 27, 2026 at 3:00 AM

PM2,5 6 (Good)

PM10 11 (Good)

O3 42 (Good)

NO2 10 (Good)

SO2 0 (Good)

CO 162 (Good)

Data on air pollution from recent days in Basel

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
pm25	9 Good	6 Good	6 Good	7 Good	5 Good	3 Good	4 Good	4 Good
pm10	18 Good	10 Good	8 Good	11 Good	8 Good	5 Good	6 Good	6 Good
o3	64 Good	63 Good	64 Good	66 Good	62 Good	59 Good	53 Good	56 Good
no2	11 Good	11 Good	9 Good	9 Good	7 Good	4 Good	6 Good	3 Good
so2	1 Good	0 Good	0 Good	1 Good	1 Good	0 Good	0 Good	0 Good
co	170 Good	178 Good	170 Good	179 Good	173 Good	149 Good	150 Good	133 Good

data source »

Quality of life in Basel

Green and Parks in the City

Basel 69%

Liechtenstein: 88% Luxembourg: 83% France: 61% San Marino: 75% Austria: 78%

particulate matter PM2.5

Basel 10 (Good)

Pleasure of spending time in the city

Basel 79%

Liechtenstein: 94% Luxembourg: 85% France: 68% San Marino: 100% Austria: 84%

particulate matter PM10

Basel 17 (Good)

Air Pollution

Basel 21%

Liechtenstein: 6.3% Luxembourg: 19% France: 36% San Marino: 6.8% Austria: 21%

Garbage Disposal

Basel 74%

Liechtenstein: 100% Luxembourg: 84% France: 59% Austria: 84%

Availability and quality of drinking water

Basel 89%

Liechtenstein: 100% Luxembourg: 83% France: 73% San Marino: 100% Austria: 91%

Cleanliness and tidiness

Basel 82%

Liechtenstein: 94% Luxembourg: 82% France: 48% San Marino: 75% Austria: 82%

Noise and Light pollution

Basel 35%

Liechtenstein: 19% Luxembourg: 29% France: 54% San Marino: 75% Austria: 34%

Water Pollution

Basel 27%

Liechtenstein: 0% Luxembourg: 19% France: 39% San Marino: 0% Austria: 14%

Source: Numbeo

Basel

Thursday, August 27, 2026 at 3:00 AM

PM2,5 6.3 (Good)

particulate matter (PM2.5) dust

PM10 11 (Good)

particulate matter (PM10) suspended dust

O3 42 (Good)

ozone (O3)

NO2 9.9 (Good)

nitrogen dioxide (NO2)

SO2 0.4 (Good)

sulfur dioxide (SO2)

CO 162 (Good)

carbon monoxide (CO)

Basel

index	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26	2026-08-27
pm25	4	3.8	2.9	5.4	6.6	5.5	6.3	8.6
pm10	6.4	6.4	4.8	8.3	11	7.9	9.6	18
o3	56	53	59	62	66	64	63	64
no2	3.2	5.9	4.1	7.4	8.8	8.8	11	11
so2	0.18	0.25	0.26	0.77	0.87	0.39	0.44	0.54
co	133	150	149	173	179	170	178	170

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

🌦️ Weather · 16-day Forecast — Switzerland

16-day weather forecast for Switzerland: today around 24°C (rain), lows near 7°C. Daily temperature and conditions, updated every day. A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Switzerland

The UV index in Switzerland today is 6.3 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Basel — compare nearby locations.

Bern 6 µg/m³
Zurich 6 µg/m³
Geneva 8 µg/m³
Lausanne 6 µg/m³

Frequently asked questions

Is the air safe to breathe in Basel today?

The current average PM2.5 across Basel 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 Basel?

Right now PM2.5 in Basel 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 Basel?

Over the past week, the highest daily PM2.5 in Basel was recorded on Thursday, August 27 (about 9 µg/m³).

What is the UV index in Basel today?

The UV index in Basel today is 6.3 (high) — unprotected fair skin can burn in about 30 minutes.

Does today's wind help disperse smog in Basel?

A moderate breeze (about 14 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.