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

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Latest air quality data: Nantes

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

particulate matter (PM2.5) dust - 4 (Good)
particulate matter (PM10) suspended dust - 5 (Good)
ozone (O3) - 68 (Good)
nitrogen dioxide (NO2) - 3 (Good)
sulfur dioxide (SO2) - 0 (Good)
carbon monoxide (CO) - 145 (Good)

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

AQI 1 Good

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

What is the current level of PM2.5 in Nantes? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 4 (Good) For comparison, the highest level of PM2.5 in Nantes in the last 7 days was: 5 (Wednesday, August 26, 2026) and the lowest: 3 (Thursday, August 27, 2026). The highest PM2.5 values were recorded: 17 (February 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: August (4.7).

What is the level of PM10 today in Nantes? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Nantes is: 5 (Good) The highest PM10 values usually occur in month: 26 (February 2019). The lowest value of particulate matter PM10 pollution in Nantes is usually recorded in: May (13).

How is the O3 level today in Nantes? (ozone (O3))
68 (Good)

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

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

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

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

PM2,5 4 (Good)

PM10 5 (Good)

O3 68 (Good)

NO2 3 (Good)

SO2 0 (Good)

CO 145 (Good)

Data on air pollution from recent days in Nantes

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	3 Good	5 Good	5 Good	4 Good	4 Good	5 Good	4 Good	5 Good
pm10	7 Good	9 Good	9 Good	6 Good	6 Good	8 Good	9 Good	12 Good
o3	66 Good	68 Good	65 Good	71 Moderate	68 Good	65 Good	59 Good	62 Good
no2	4 Good	5 Good	5 Good	3 Good	2 Good	4 Good	4 Good	3 Good
so2	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	1 Good
co	152 Good	152 Good	154 Good	158 Good	153 Good	157 Good	144 Good	150 Good

data source »

pollution pm25 hikersbay.com — Air pollution in Nantes 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	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-12	2018-11	2018-10	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
pm25	9.3 (Good)	15 (Moderate)	12 (Good)	8.1 (Good)	13 (Good)	12 (Good)	9.3 (Good)	8.3 (Good)	7.5 (Good)	8.6 (Good)	9.5 (Good)	8.8 (Good)	9 (Good)	12 (Good)	7.2 (Good)	17 (Moderate)	9.9 (Good)	9.4 (Good)	13 (Good)	8.4 (Good)	6.3 (Good)	4.7 (Good)	8.1 (Good)	9.4 (Good)	13 (Good)	10 (Good)	8.7 (Good)	9.8 (Good)	8 (Good)	12 (Good)	13 (Good)	10 (Good)	8 (Good)
o3	62 (Good)	73 (Moderate)	64 (Good)	59 (Good)	45 (Good)	47 (Good)	40 (Good)	44 (Good)	58 (Good)	64 (Good)	79 (Moderate)	72 (Moderate)	76 (Moderate)	73 (Moderate)	71 (Moderate)	39 (Good)	44 (Good)	44 (Good)	37 (Good)	43 (Good)	62 (Good)	58 (Good)	69 (Good)	67 (Good)	81 (Moderate)	66 (Good)	65 (Good)	48 (Good)	50 (Good)	39 (Good)	40 (Good)	43 (Good)	49 (Good)
pm10	13 (Good)	20 (Good)	18 (Good)	16 (Good)	19 (Good)	18 (Good)	15 (Good)	14 (Good)	15 (Good)	14 (Good)	20 (Good)	17 (Good)	14 (Good)	19 (Good)	19 (Good)	26 (Moderate)	17 (Good)	17 (Good)	21 (Moderate)	18 (Good)	16 (Good)	13 (Good)	15 (Good)	15 (Good)	20 (Moderate)	17 (Good)	15 (Good)	17 (Good)	13 (Good)	21 (Moderate)	19 (Good)	18 (Good)	15 (Good)
no2	5.7 (Good)	7.2 (Good)	11 (Good)	13 (Good)	18 (Good)	16 (Good)	17 (Good)	13 (Good)	9.4 (Good)	8.3 (Good)	7.4 (Good)	7.7 (Good)	7.8 (Good)	13 (Good)	13 (Good)	27 (Good)	22 (Good)	17 (Good)	21 (Good)	14 (Good)	10 (Good)	6.6 (Good)	7.4 (Good)	7.7 (Good)	8.6 (Good)	16 (Good)	15 (Good)	20 (Good)	18 (Good)	23 (Good)	22 (Good)	17 (Good)	18 (Good)

data source »

Quality of life in Nantes

Green and Parks in the City

Nantes 76%

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

particulate matter PM2.5

Nantes 13 (Moderate)

Pleasure of spending time in the city

Nantes 75%

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

particulate matter PM10

Nantes 18 (Good)

Air Pollution

Nantes 31%

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

Garbage Disposal

Nantes 71%

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

Availability and quality of drinking water

Nantes 88%

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

Cleanliness and tidiness

Nantes 60%

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

Noise and Light pollution

Nantes 43%

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

Water Pollution

Nantes 26%

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

Source: Numbeo

Nantes

Thursday, August 27, 2026 at 3:00 AM

PM2,5 3.7 (Good)

particulate matter (PM2.5) dust

PM10 5 (Good)

particulate matter (PM10) suspended dust

O3 68 (Good)

ozone (O3)

NO2 3.3 (Good)

nitrogen dioxide (NO2)

SO2 0.2 (Good)

sulfur dioxide (SO2)

CO 145 (Good)

carbon monoxide (CO)

Nantes

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	4.8	3.7	5.1	3.6	4.2	5.4	4.7	3.2
pm10	12	8.8	8.3	6.2	6.4	9.4	9.1	7.1
o3	62	59	65	68	71	65	68	66
no2	3.3	3.5	3.5	2.3	3.3	5.3	4.7	3.9
so2	0.54	0.45	0.24	0.26	0.29	0.42	0.26	0.26
co	150	144	157	153	158	154	152	152

FR23188

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-12	2018-11	2018-10	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
pm25	9.3	15	12	8.1	13	12	9.3	8.3	7.5	8.6	9.5	8.8	9	12	7.2	17	9.9	9.4	13	8.4	6.3	4.7	8.1	9.4	13	10	8.7	9.8	8	12	13	10	8
pm10	13	20	18	16	19	18	15	14	15	14	20	17	14	19	19	26	17	17	21	18	16	13	15	15	20	17	15	17	13	21	19	18	15
no2	5.7	7.2	11	13	18	16	17	13	9.4	8.3	7.4	7.7	7.8	13	13	27	22	17	21	14	10	6.6	7.4	7.7	8.6	16	15	20	18	23	22	17	18
o3	62	73	64	59	45	47	40	44	58	64	79	72	76	73	71	39	44	44	37	43	62	58	69	67	81	66	65	48	50	39	40	43	49

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

🌦️ Weather · 16-day Forecast — Nantes

16-day weather forecast for Nantes: today around 26°C (rain), lows near 18°C. Daily temperature and conditions, updated every day. Strong wind (about 31 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Nantes

The UV index in Nantes today is 4.3 (moderate) — unprotected fair skin can burn in about 45 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Nantes — compare nearby locations.

Angers 3 µg/m³
Rennes 3 µg/m³
BrestBelarus 10 µg/m³
Bordeaux 5 µg/m³
Paris 4 µg/m³
Marseille 02 7 µg/m³
Lyon 6 µg/m³
Toulouse 11 µg/m³

Frequently asked questions

Is the air safe to breathe in Nantes today?

The current average PM2.5 across Nantes is about 4 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Nantes?

Right now PM2.5 in Nantes averages about 4 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 Nantes?

Over the past week, the highest daily PM2.5 in Nantes was recorded on Tuesday, August 25 (about 5 µg/m³).

What is the UV index in Nantes today?

The UV index in Nantes today is 4.3 (moderate) — unprotected fair skin can burn in about 45 minutes.

Does today's wind help disperse smog in Nantes?

Strong wind (about 31 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.