Grenoble air quality now

France · The summary is refreshed every 15 minutes.

Now

No current value: fewer than four sensors at different places are reporting now.

Open map

Open methodology and data in JSON: Methodology and data sources · JSON

There are not enough fresh measurements for Grenoble right now. From 10:00 to 18:00 local time the city mean PM2.5 fell from 9.0 to 4.0 µg/m³.

The weather data do not point to a clear reason for this level.

Weather now: cloudy, 14°C, wind 0 m/s, humidity 85%. Precipitation is expected around 05:00; it may wash particles out.

Written automatically at 22:13 local time (21:13 UTC) from sensor measurements and the weather forecast. Values are approximate; hypotheses are marked.

0 m/s

Wind, ESE

1.4 mm

Precipitation today

Pollution accumulation index now

27/100Low · An estimate of weather conditions · not a PM2.5 forecast

Now2725
23.0007.0014.0022.00

Pollution accumulation forecast

Today — November 11

18°/13°

Index by time of day

52/100Moderate

  1. 52/100Night
  2. 38/100Morning
  3. 8/100Day
  4. 27/100Evening

Thursday — November 12

15°/13°

Index by time of day

46/100Moderate

  1. 46/100Night
  2. 37/100Morning
  3. 11/100Day
  4. 25/100Evening

Friday — November 13

14°/5°

Index by time of day

26/100Low

  1. 26/100Night
  2. 21/100Morning
  3. 6/100Day
  4. 26/100Evening

Saturday — November 14

14°/3°

Index by time of day

56/100Moderate

  1. 56/100Night
  2. 43/100Morning
  3. 10/100Day
  4. 23/100Evening

Sunday — November 15

15°/7°

Index by time of day

53/100Moderate

  1. 53/100Night
  2. 38/100Morning
  3. 8/100Day
  4. 22/100Evening

Monday — November 16

14°/10°

Index by time of day

50/100Moderate

  1. 50/100Night
  2. 40/100Morning
  3. 9/100Day
  4. 25/100Evening

Forecast of conditions that trap pollution near the surface

Weather

14°

Cloudy. Feels like 14°C

  1. MorningRain14°C93%
  2. DayCloudy18°C65%
  3. EveningCloudy14°C89%

Wind

0m/sWind from the ESE

1m/sWind gusts

Wind force: 0

Light wind is expected over the next few hours.

10-day weather forecast for Grenoble

France

  1. TodayNov 11Rain18°C13°C
  2. ThuNov 12Rain15°C13°C
  3. FriNov 13Rain14°C5°C
  4. SatNov 14Fog14°C3°C
  5. SunNov 15Rain15°C7°C
  6. MonNov 16Rain14°C10°C
  7. TueNov 17Rain20°C9°C
  8. WedNov 18Rain17°C12°C
  9. ThuNov 19Rain14°C10°C
  10. FriNov 20Rain11°C7°C

France: sensors in total

207

  1. RennesFrance

    20

  2. ToulouseFrance

    18

  3. VilleurbanneFrance

    16

Cities with the most sensors

All sensors on the map, by city as the map assigns them; the city’s values count only the sensors that pass the Data Hub’s quality check.

France · City ranking · All pilot cities

Questions

What is the air quality in Grenoble right now?

Fresh data for Grenoble are insufficient (last update: 18:45 local time, 17:45 UTC). Open the map for the latest readings of individual sensors.

Where do these data come from?

From Atmy sensors and connected public networks (citizen, experimental and government monitors), aggregated by Atmy. Values are approximate; see the methodology.

How often is this page updated?

The summary is rebuilt every 15 minutes from the latest reading of each sensor, each no older than one hour.

Data

Where do these data come from?

The daily value is the Data Hub’s: the mean of the city’s sensors that passed the nightly quality check, each with at least 12 valid hours, and only with sensors at four places 500 m apart; days are UTC.

“Now” uses the same sensors and rule: the mean of their latest readings, each at most 60 minutes old, shown only with sensors at four places 500 m apart reporting.

Source: public Atmy monitoring data. Methodology and data sources · Data terms