Bastia 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.

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Bastia, November 10, 2026: daily mean PM2.5 5 µg/m³ (6 sensors), level “Low” — as in the Atmy Data Hub. Open methodology and data in JSON: Methodology and data sources · JSON

In Bastia the air is good right now (approximate, US EPA scale). From 10:00 to 21:00 local time the city mean PM2.5 fell from 4.3 to 2.0 µg/m³. The highest hour was 18:00 with 8.6 µg/m³.

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

Weather now: cloudy, 18°C, wind 1 m/s, humidity 79%. By 10:00 the wind is expected to pick up to 5 m/s, which may clear the air. Precipitation is expected around 08:00; it may wash particles out.

Written automatically at 22:10 local time (21:10 UTC) from sensor measurements and the weather forecast. Values are approximate; hypotheses are marked.

1 m/s

Wind, NW

0 mm

Precipitation today

Bastia: air quality for the completed day

Metric: PM2.5, µg/m³ · Color scale: EPA AQI · November 10, 2026 · 00:00–24:00 UTC = 01:00–01:00 UTC+1

5 µg/m³ Low

Daily mean PM2.5 on November 10, 2026 (00:00–24:00 UTC = 01:00–01:00 UTC+1): 5 µg/m³ from 6 sensors that passed the quality check — the same value as in the Atmy Data Hub.

LowModerateElevatedHighVery highExtremely high

Pollution accumulation index now

21/100Low · An estimate of weather conditions · not a PM2.5 forecast

Now2122
23.0007.0014.0022.00

Pollution accumulation forecast

Today — November 11

20°/17°

Index by time of day

53/100Moderate

  1. 53/100Night
  2. 40/100Morning
  3. 9/100Day
  4. 23/100Evening

Thursday — November 12

21°/17°

Index by time of day

52/100Moderate

  1. 52/100Night
  2. 39/100Morning
  3. 9/100Day
  4. 23/100Evening

Friday — November 13

22°/17°

Index by time of day

41/100Moderate

  1. 41/100Night
  2. 35/100Morning
  3. 8/100Day
  4. 21/100Evening

Saturday — November 14

17°/12°

Index by time of day

45/100Moderate

  1. 45/100Night
  2. 36/100Morning
  3. 10/100Day
  4. 24/100Evening

Sunday — November 15

16°/13°

Index by time of day

47/100Moderate

  1. 47/100Night
  2. 34/100Morning
  3. 10/100Day
  4. 16/100Evening

Monday — November 16

19°/14°

Index by time of day

53/100Moderate

  1. 53/100Night
  2. 40/100Morning
  3. 7/100Day
  4. 17/100Evening

Forecast of conditions that trap pollution near the surface

Weather

18°

Cloudy. Feels like 19°C

  1. MorningCloudy18°C83%
  2. DayCloudy20°C88%
  3. EveningCloudy18°C85%

Wind

1m/sWind from the NW

2m/sWind gusts

Wind force: 1

Light wind is expected over the next few hours.

10-day weather forecast for Bastia

France

  1. TodayNov 11Cloudy20°C17°C
  2. ThuNov 12Rain21°C17°C
  3. FriNov 13Cloudy22°C17°C
  4. SatNov 14Cloudy17°C12°C
  5. SunNov 15Rain16°C13°C
  6. MonNov 16Cloudy19°C14°C
  7. TueNov 17Cloudy18°C15°C
  8. WedNov 18Cloudy22°C16°C
  9. ThuNov 19Rain18°C13°C
  10. FriNov 20Cloudy18°C15°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.

Air quality calendar: Bastia

Daily mean PM2.5 of the city sensors, µg/m³

Click a day to see its date and value.

LowModerateElevatedHighVery highExtremely high

Questions

What was the air quality in Bastia over the last completed day?

Daily mean PM2.5 on November 10, 2026 (00:00–24:00 UTC = 01:00–01:00 UTC+1): 5 µg/m³ from 6 sensors that passed the quality check — the same value as in the Atmy Data Hub.

What is the air quality in Bastia right now?

Fresh data for Bastia are insufficient (last update: 21:45 local time, 20:45 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