Over the next 24 hours the index should stay between 53 and 85: cleanest air around Sat 16:00, most polluted around Sat 08:00.
Modelled values: Copernicus CAMS, via OpenWeather · updated 19:00
Hourly air quality forecast in Longjumeau
4-day forecast, 96 hours- 7 PM6611°4 km/h
- 8 PM699°2 km/h
- 9 PM728°2 km/h
- 10 PM758°2 km/h
- 11 PM778°2 km/h
- 12 AM787°3 km/h
- 1 AM787°2 km/h
- 2 AM786°4 km/h
- 3 AM796°3 km/h
- 4 AM795°2 km/h
- 5 AM805°2 km/h
- 6 AM815°2 km/h
- 7 AM835°1 km/h
- 8 AM855°2 km/h
- 9 AM855°3 km/h
- 10 AM856°3 km/h
- 11 AM828°4 km/h
- 12 PM7910°6 km/h
- 1 PM7611°6 km/h
- 2 PM6012°5 km/h
- 3 PM5412°6 km/h
- 4 PM5312°7 km/h
- 5 PM5312°7 km/h
- 6 PM5511°6 km/h
- 7 PM5810°5 km/h
- 8 PM609°5 km/h
- 9 PM628°6 km/h
- 10 PM646°4 km/h
- 11 PM666°4 km/h
- 12 AM685°2 km/h
- 1 AM704°3 km/h
- 2 AM723°3 km/h
- 3 AM743°2 km/h
- 4 AM772°3 km/h
- 5 AM792°4 km/h
- 6 AM823°4 km/h
- 7 AM843°4 km/h
- 8 AM863°4 km/h
- 9 AM883°4 km/h
- 10 AM883°5 km/h
- 11 AM874°5 km/h
- 12 PM844°5 km/h
- 1 PM826°3 km/h
- 2 PM767°4 km/h
- 3 PM748°5 km/h
- 4 PM728°6 km/h
- 5 PM738°6 km/h
- 6 PM757°7 km/h
- 7 PM777°6 km/h
- 8 PM786°6 km/h
- 9 PM796°6 km/h
- 10 PM806°6 km/h
- 11 PM795°8 km/h
- 12 AM785°5 km/h
- 1 AM764°4 km/h
- 2 AM744°4 km/h
- 3 AM734°5 km/h
- 4 AM714°5 km/h
- 5 AM704°6 km/h
- 6 AM694°7 km/h
- 7 AM694°7 km/h
- 8 AM685°7 km/h
- 9 AM665°7 km/h
- 10 AM646°8 km/h
- 11 AM617°7 km/h
- 12 PM568°9 km/h
- 1 PM539°8 km/h
- 2 PM4511°10 km/h
- 3 PM3911°10 km/h
- 4 PM3612°10 km/h
- 5 PM3411°9 km/h
- 6 PM3311°9 km/h
- 7 PM3310°8 km/h
- 8 PM339°8 km/h
- 9 PM329°8 km/h
- 10 PM319°7 km/h
- 11 PM299°6 km/h
- 12 AM269°5 km/h
- 1 AM229°4 km/h
- 2 AM189°5 km/h
- 3 AM169°6 km/h
- 4 AM139°6 km/h
- 5 AM129°6 km/h
- 6 AM129°6 km/h
- 7 AM129°6 km/h
- 8 AM129°6 km/h
- 9 AM139°7 km/h
- 10 AM139°7 km/h
- 11 AM1310°6 km/h
- 12 PM1210°5 km/h
- 1 PM1211°4 km/h
- 2 PM1111°4 km/h
- 3 PM1112°4 km/h
- 4 PM1112°4 km/h
- 5 PM1212°4 km/h
- 6 PM1311°4 km/h
Daily air quality forecast in Longjumeau
| Day | Peak AQI | icon | High / Low | Wind |
|---|---|---|---|---|
| Fri6 | 77avg 72 | 11° / 8°C | 2 km/h | |
| Sat7 | 85avg 71 | 12° / 5°C | 4 km/h | |
| Sun8 | 88avg 79 | 8° / 2°C | 5 km/h | |
| Mon9 | 78avg 54 | 12° / 4°C | 7 km/h | |
| Tue10 | 26avg 14 | 12° / 9°C | 5 km/h |
Each day shows its worst hour (peak) and its average.
- PM2.5 Fine particles (≤ 2.5 µm)17.0 µg/m³66
- PM10 Coarse particles (≤ 10 µm)18.9 µg/m³17
- NO₂ Nitrogen dioxide18.9 µg/m³9
- SO₂ Sulphur dioxide0.6 µg/m³0
- CO Carbon monoxide279.3 µg/m³2
- O₃ Ozone24.9 µg/m³11
What this means today
Air quality is acceptable. People unusually sensitive to air pollution may want to limit prolonged exertion outdoors.
- Sensitive groups
- Usually fine; watch for symptoms
- Outdoor exercise
- Fine for most people
- Windows
- Open, close if you smell smoke or traffic
The index is set by PM2.5 at 17.0 µg/m³ (sub-index 66).
These values come from the Copernicus atmospheric model as distributed by OpenWeather, sampled at the coordinates of Longjumeau. They are modelled concentrations on a grid, not readings from a monitoring station inside the town, so neighbouring localities in the same grid cell will show similar figures. Treat them as a regional indication rather than a measurement taken at your street.
Air quality history in Longjumeau
Hourly model data (Copernicus CAMS via OpenWeather), US AQI computed by Weatheo
Air quality near Longjumeau
Modelled (Copernicus CAMS via Open-Meteo), worst first · Updated 19:00
| # | Place | US AQI |
|---|---|---|
| 1 | Chilly-Mazarin | 87 |
| 2 | Morangis | 87 |
| 3 | Champlan | 86 |
| 4 | Ballainvilliers | 84 |
| 5 | Épinay-sur-Orge | 84 |
| 6 | Longjumeau | 84 |
| 7 | Saulx-les-Chartreux | 84 |
France: cities ranked by air quality right now
Modelled (Copernicus CAMS via Open-Meteo), worst first · Updated 18:00
| # | Place | US AQI |
|---|---|---|
| 1 | Strasbourg | 95 |
| 2 | Paris | 89 |
| 3 | Lille | 86 |
| 4 | Rouen | 78 |
| 5 | Reims | 77 |
| 6 | Le Havre | 74 |
| 7 | Dijon | 73 |
| 8 | Rennes | 73 |
| 9 | Lyon | 72 |
| 10 | Villeurbanne | 72 |
| 11 | Nantes | 70 |
| 12 | Angers | 67 |
| 13 | Orléans | 67 |
| 14 | Bordeaux | 65 |
| 15 | Saint-Étienne | 58 |
| 16 | Toulouse | 56 |
| 17 | Toulon | 30 |
| 18 | Montpellier | 28 |
| 19 | Marseille | 27 |
| 20 | Nice | 26 |