Smog in Grenoble — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

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Latest air quality data: Grenoble

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

particulate matter (PM2.5) dust - 9 (Good)
particulate matter (PM10) suspended dust - 14 (Good)
ozone (O3) - 46 (Good)
nitrogen dioxide (NO2) - 4 (Good)
sulfur dioxide (SO2) - 0 (Good)
carbon monoxide (CO) - 120 (Good)

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

AQI 1 Good

What is the air quality in Grenoble today? Is the air polluted in Grenoble?. 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 Grenoble.

What is the current level of PM2.5 in Grenoble? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 9 (Good) For comparison, the highest level of PM2.5 in Grenoble in the last 7 days was: 11 (Thursday, August 27, 2026) and the lowest: 4 (Saturday, August 22, 2026).

What is the level of PM10 today in Grenoble? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Grenoble is: 14 (Good) The highest PM10 values usually occur in month: 38 (January 2020). The lowest value of particulate matter PM10 pollution in Grenoble is usually recorded in: May (12).

How is the O3 level today in Grenoble? (ozone (O3))
46 (Good)

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

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

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

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

PM2,5 9 (Good)

PM10 14 (Good)

O3 46 (Good)

NO2 4 (Good)

SO2 0 (Good)

CO 120 (Good)

Data on air pollution from recent days in Grenoble

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	11 Good	5 Good	6 Good	6 Good	5 Good	4 Good	4 Good	5 Good
pm10	26 Moderate	9 Good	8 Good	9 Good	7 Good	6 Good	5 Good	7 Good
o3	62 Good	57 Good	64 Good	64 Good	64 Good	59 Good	60 Good	67 Good
no2	4 Good	5 Good	5 Good	4 Good	5 Good	5 Good	7 Good	4 Good
so2	0 Good	0 Good	0 Good	0 Good	1 Good	0 Good	0 Good	0 Good
co	124 Good	140 Good	145 Good	158 Good	174 Good	162 Good	164 Good	151 Good

data source »

Air pollution in Grenoble from September 2017 to May 2020

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09
pm10	12 (Good)	18 (Good)	17 (Good)	24 (Moderate)	38 (Moderate)	22 (Moderate)	21 (Moderate)	18 (Good)	17 (Good)	15 (Good)	20 (Good)	16 (Good)	21 (Moderate)	18 (Good)	21 (Moderate)	23 (Moderate)	- (Good)	- (Good)	- (Good)	26 (Moderate)	25 (Moderate)	25 (Moderate)	30 (Moderate)
no2	25 (Good)	17 (Good)	28 (Good)	48 (Moderate)	55 (Moderate)	44 (Moderate)	46 (Moderate)	36 (Good)	36 (Good)	29 (Good)	44 (Moderate)	33 (Good)	40 (Moderate)	39 (Good)	41 (Moderate)	40 (Good)	49 (Moderate)	45 (Moderate)	52 (Moderate)	56 (Moderate)	51 (Moderate)	52 (Moderate)	53 (Moderate)

data source »

Quality of life in Grenoble

Green and Parks in the City

Grenoble 62%

Andorra: 69% Switzerland: 76% Luxembourg: 83% Belgium: 64% Liechtenstein: 88%

particulate matter PM2.5

Grenoble 20 (Moderate)

Pleasure of spending time in the city

Grenoble 52%

Andorra: 84% Switzerland: 84% Luxembourg: 85% Belgium: 64% Liechtenstein: 94%

particulate matter PM10

Grenoble 31 (Moderate)

Air Pollution

Grenoble 64%

Andorra: 29% Switzerland: 20% Luxembourg: 19% Belgium: 45% Liechtenstein: 6.3%

Garbage Disposal

Grenoble 59%

Andorra: 89% Switzerland: 82% Luxembourg: 84% Belgium: 54% Liechtenstein: 100%

Availability and quality of drinking water

Grenoble 81%

Andorra: 100% Switzerland: 90% Luxembourg: 83% Belgium: 70% Liechtenstein: 100%

Cleanliness and tidiness

Grenoble 47%

Andorra: 75% Switzerland: 82% Luxembourg: 82% Belgium: 46% Liechtenstein: 94%

Noise and Light pollution

Grenoble 61%

Andorra: 29% Switzerland: 38% Luxembourg: 29% Belgium: 54% Liechtenstein: 19%

Water Pollution

Grenoble 26%

Andorra: 19% Switzerland: 19% Luxembourg: 19% Belgium: 42% Liechtenstein: 0%

Source: Numbeo

Grenoble

Thursday, August 27, 2026 at 3:00 AM

PM2,5 8.8 (Good)

particulate matter (PM2.5) dust

PM10 14 (Good)

particulate matter (PM10) suspended dust

O3 46 (Good)

ozone (O3)

NO2 4.1 (Good)

nitrogen dioxide (NO2)

SO2 0.3 (Good)

sulfur dioxide (SO2)

CO 120 (Good)

carbon monoxide (CO)

Grenoble

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	5.2	4	4.3	5.4	6.4	5.8	5.5	11
pm10	7.1	4.8	6.3	7.3	9.3	7.9	8.9	26
o3	67	60	59	64	64	64	57	62
no2	4.2	6.7	4.7	4.8	4.4	5.1	5.2	4.1
so2	0.33	0.38	0.48	0.68	0.44	0.47	0.45	0.49
co	151	164	162	174	158	145	140	124

FR15046

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09
pm10	12	18	17	24	38	22	21	18	17	15	20	16	21	18	21	23	-	-	-	26	25	25	30
no2	25	17	28	48	55	44	46	36	36	29	44	33	40	39	41	40	49	45	52	56	51	52	53

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

🌦️ Weather · 16-day Forecast — France

16-day weather forecast for France: today around 32°C (rain), lows near 16°C. Daily temperature and conditions, updated every day. Strong wind (about 24 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — France

The UV index in France today is 6 (high) — unprotected fair skin can burn in about 35 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Grenoble — compare nearby locations.

Lyon 6 µg/m³
TurinItaly 10 µg/m³
LausanneSwitzerland 6 µg/m³
Nîmes 7 µg/m³
Paris 4 µg/m³
Marseille 02 7 µg/m³
Toulouse 11 µg/m³
Nice 8 µg/m³

Frequently asked questions

Is the air safe to breathe in Grenoble today?

The current average PM2.5 across Grenoble is about 9 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Grenoble?

Right now PM2.5 in Grenoble averages about 9 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 Grenoble?

Over the past week, the highest daily PM2.5 in Grenoble was recorded on Thursday, August 27 (about 11 µg/m³).

What is the UV index in Grenoble today?

The UV index in Grenoble today is 6 (high) — unprotected fair skin can burn in about 35 minutes.

Does today's wind help disperse smog in Grenoble?

Strong wind (about 24 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.