Is time to run? ⚠️☢️☣️

Le Mesnil-Saint-Denis (Île-de-France) (FR)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Cloudy
7°C
Cloudy
Humidity
88.1%
Wind
5 m/s
Pressure
986.7 hPa
Direction
163°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
7° / 11°
Precip.
3.5mm
Max wind
5.8 m/s

Hourly Forecast

05.02
Now
Weather
05.02
03:00
Weather
05.02
04:00
Weather
05.02
05:00
Weather
0.1
5
05.02
06:00
Weather
5
05.02
07:00
Weather
05.02
08:00
Weather
5
05.02
09:00
Weather
05.02
10:00
Weather
0.2
05.02
11:00
Weather
6
05.02
12:00
Weather
10°
05.02
13:00
Weather
11°
05.02
14:00
Weather
11°
05.02
15:00
Weather
11°
0.2
05.02
16:00
Weather
10°
0.6
05.02
17:00
Weather
0.6
05.02
18:00
Weather
0.6
05.02
19:00
Weather
0.5
05.02
20:00
Weather
0.6
05.02
21:00
Weather
0.1
05.02
22:00
Weather
5
05.02
23:00
Weather
06.02
00:00
Weather
06.02
01:00
Weather

Temperature

11°C
7°C
02:00
7°C
03:00
7°C
04:00
7°C
05:00
8°C
06:00
8°C
07:00
8°C
08:00
8°C
09:00
8°C
10:00
9°C
11:00
9°C
12:00
10°C
13:00
11°C
14:00
11°C
15:00
11°C
16:00
10°C
17:00
9°C
18:00
8°C
19:00
8°C
20:00
8°C
21:00
8°C
22:00
8°C
23:00
8°C
00:00
8°C
01:00
8°C
02:00 13:00 01:00

Precipitation

0.6mm
0mm
05:00
0.1mm
10:00
0.2mm
15:00
0.2mm
16:00
0.6mm
17:00
0.6mm
18:00
0.6mm
19:00
0.5mm
20:00
0.6mm
21:00
0.1mm
02:00 13:00 01:00

Wind

5.8m/s
0m/s
02:00
4.9 m/s
03:00
4.5 m/s
04:00
4.7 m/s
05:00
5.3 m/s
06:00
5.3 m/s
07:00
5 m/s
08:00
5.1 m/s
09:00
5 m/s
10:00
4.7 m/s
11:00
5.8 m/s
12:00
4.5 m/s
13:00
4.9 m/s
14:00
4.5 m/s
15:00
4 m/s
16:00
3.8 m/s
17:00
4.1 m/s
18:00
4.4 m/s
19:00
4.8 m/s
20:00
5 m/s
21:00
4.7 m/s
22:00
5.1 m/s
23:00
4.9 m/s
00:00
4.7 m/s
01:00
4.7 m/s
02:00 13:00 01:00

Radiation

0.061 uSv
7.4 km
7.6%

Measurement time: 2026-02-05 01:00

source: remap_europe

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
17.6 km
3
1%

Measurement time: 2026-02-05 02:41

Calculated from PM2.5/PM10

O3
17.6 km
62.53 µg/m3
39.1%

Measurement time: 2026-02-05 02:41

source: OpenWeatherMap

CO
17.6 km
0.15391 mg/m3
1.1%

Measurement time: 2026-02-05 02:41

source: OpenWeatherMap

PM2.5
17.6 km
0.74 µg/m3
0.9%

Measurement time: 2026-02-05 02:41

source: OpenWeatherMap

NO2
17.6 km
1.6 µg/m3
0.8%

Measurement time: 2026-02-05 02:41

source: OpenWeatherMap

PM10
17.6 km
1 µg/m3
0.7%

Measurement time: 2026-02-05 02:41

source: OpenWeatherMap

SO2
17.6 km
0.11 µg/m3
0%

Measurement time: 2026-02-05 02:41

source: OpenWeatherMap

Info


Country: France
Latitude: 48.74485
Longitude: 1.95594

Cities in the area:

La Verrière Maurepas Élancourt Les Essarts-le-Roi Saint-Quentin-en-Yvelines Trappes Montigny-le-Bretonneux Jouars-Pontchartrain Chevreuse Voisins-le-Bretonneux Magny-les-Hameaux Bois-d’Arcy Plaisir Les Clayes-sous-Bois Le Perray-en-Yvelines Guyancourt Villepreux Saint-Rémy-lès-Chevreuse Fontenay-le-Fleury Saint-Cyr-l’École Buc Versailles Gif-sur-Yvette Le Chesnay Jouy-en-Josas Viroflay Bures-sur-Yvette Les Ulis Orsay Vélizy-Villacoublay Chaville Ville-d’Avray Igny Sèvres Villebon-sur-Yvette Palaiseau Meudon Verrières-le-Buisson Châtenay-Malabry Le Plessis-Robinson Saulx-les-Chartreux Boulogne-Billancourt Clamart Massy Sceaux La Ville-du-Bois Issy-les-Moulineaux Antony Fontenay-aux-Roses Châtillon Vanves Longjumeau Bagneux Malakoff Chilly-Mazarin Bourg-la-Reine Fresnes Épinay-sur-Orge Montrouge L'Haÿ-les-Roses Arcueil Morangis Cachan Chevilly-Larue Rungis Gentilly Villemoisson-sur-Orge Savigny-sur-Orge Paray-Vieille-Poste Villejuif Morsang-sur-Orge Le Kremlin-Bicêtre Orly Juvisy-sur-Orge Athis-Mons Thiais Ivry-sur-Seine Villeneuve-le-Roi Viry-Châtillon Vitry-sur-Seine Vigneux-sur-Seine Choisy-le-Roi Draveil Charenton-le-Pont Ablon-sur-Seine Alfortville Saint-Maurice Maisons-Alfort Villeneuve-Saint-Georges Montgeron Crosne Valenton Créteil Bonneuil-sur-Marne Limeil-Brévannes Joinville-le-Pont Yerres Brunoy Saint-Maur-des-Fossés Nogent-sur-Marne Champigny-sur-Marne Boissy-Saint-Léger Épinay-sous-Sénart Sucy-en-Brie Boussy-Saint-Antoine Villecresnes Vernouillet Quincy-sous-Sénart Chennevières-sur-Marne Dreux Ormesson-sur-Marne Villiers-sur-Marne Le Plessis-Trévise Combs-la-Ville La Queue-en-Brie Pontault-Combault Lésigny Brie-Comte-Robert Émerainville Roissy-en-Brie Ozoir-la-Ferrière Gretz-Armainvilliers Tournan-en-Brie Fontenay-Trésigny

About Air Quality in Le Mesnil-Saint-Denis

Air quality in Le Mesnil-Saint-Denis is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Le Mesnil-Saint-Denis

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Le Mesnil-Saint-Denis?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Le Mesnil-Saint-Denis

If you're planning outdoor activities in Le Mesnil-Saint-Denis, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.