Takamatsu air quality now

Japan · 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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Takamatsu, November 10, 2026: daily mean PM2.5 4 µg/m³ (4 sensors), level “Low” — as in the Atmy Data Hub. Open methodology and data in JSON: Methodology and data sources · JSON

In Takamatsu the air is good right now (approximate, US EPA scale). From 18:00 to 04:00 local time the city mean PM2.5 fell from 7.3 to 4.3 µg/m³.

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

Weather now: clear, 13°C, wind 1 m/s, humidity 74%. No major change in the wind is expected in the coming hours. By 18:00 the temperature will be about 17°C.

Written automatically at 06:12 local time (21:12 UTC) from sensor measurements and the weather forecast. Values are approximate; hypotheses are marked.

1 m/s

Wind, WSW

0 mm

Precipitation today

Takamatsu: air quality for the completed day

Metric: PM2.5, µg/m³ · Color scale: EPA AQI · November 10, 2026 · 00:00–24:00 UTC = 09:00–09:00 UTC+9

4 µg/m³ Low

Daily mean PM2.5 on November 10, 2026 (00:00–24:00 UTC = 09:00–09:00 UTC+9): 4 µg/m³ from 4 sensors that passed the quality check — the same value as in the Atmy Data Hub.

No. 23 of 43 cities in Japan and No. 638 of 676 worldwide, from the most polluted.

LowModerateElevatedHighVery highExtremely high

Pollution accumulation index now

38/100Moderate · An estimate of weather conditions · not a PM2.5 forecast

Now3843
07.0015.0022.0006.00

Pollution accumulation forecast

Today — November 12

19°/13°

Index by time of day

55/100Moderate

  1. 55/100Night
  2. 43/100Morning
  3. 7/100Day
  4. 21/100Evening

Friday — November 13

20°/15°

Index by time of day

56/100Moderate

  1. 56/100Night
  2. 43/100Morning
  3. 7/100Day
  4. 25/100Evening

Saturday — November 14

20°/15°

Index by time of day

59/100Moderate

  1. 59/100Night
  2. 45/100Morning
  3. 8/100Day
  4. 21/100Evening

Sunday — November 15

18°/15°

Index by time of day

55/100Moderate

  1. 55/100Night
  2. 41/100Morning
  3. 9/100Day
  4. 21/100Evening

Monday — November 16

20°/16°

Index by time of day

49/100Moderate

  1. 49/100Night
  2. 33/100Morning
  3. 7/100Day
  4. 22/100Evening

Tuesday — November 17

18°/14°

Index by time of day

47/100Moderate

  1. 47/100Night
  2. 37/100Morning
  3. 6/100Day
  4. 20/100Evening

Forecast of conditions that trap pollution near the surface

Weather

13°

Clear. Feels like 12°C

  1. MorningCloudy14°C67%
  2. DayPartly cloudy19°C57%
  3. EveningPartly cloudy16°C79%

Wind

1m/sWind from the WSW

3m/sWind gusts

Wind force: 1

Gusts up to 6 m/s are expected.

10-day weather forecast for Takamatsu

Japan

  1. TodayNov 12Cloudy19°C13°C
  2. FriNov 13Cloudy20°C15°C
  3. SatNov 14Cloudy20°C15°C
  4. SunNov 15Rain18°C15°C
  5. MonNov 16Rain20°C16°C
  6. TueNov 17Rain18°C14°C
  7. WedNov 18Rain20°C15°C
  8. ThuNov 19Partly cloudy15°C9°C
  9. FriNov 20Cloudy12°C8°C
  10. SatNov 21Partly cloudy16°C7°C

Japan: sensors in total

921

  1. TokyoJapan

    49

  2. NagoyaJapan

    18

  3. KobeJapan

    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: Takamatsu

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

Click a day to see its date and value.

LowModerateElevatedHighVery highExtremely high

Japan · City ranking · All pilot cities

Questions

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

Daily mean PM2.5 on November 10, 2026 (00:00–24:00 UTC = 09:00–09:00 UTC+9): 4 µg/m³ from 4 sensors that passed the quality check — the same value as in the Atmy Data Hub. No. 23 of 43 cities in Japan and No. 638 of 676 worldwide, from the most polluted.

What is the air quality in Takamatsu right now?

Fresh data for Takamatsu are insufficient (last update: 09:45 local time, 00:45 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