Yokosuka 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.

Open map

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

There are not enough fresh measurements for Yokosuka right now.

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

Weather now: partly cloudy, 12°C, wind 3 m/s, humidity 75%. No major change in the wind is expected in the coming hours. By 18:00 the temperature will be about 18°C.

Written automatically at 06:13 local time (21:13 UTC) from sensor measurements and the weather forecast. Values are approximate; hypotheses are marked.

3 m/s

Wind, N

0 mm

Precipitation today

Pollution accumulation index now

35/100Moderate · An estimate of weather conditions · not a PM2.5 forecast

Now3535
07.0015.0022.0006.00

Pollution accumulation forecast

Today — November 12

18°/12°

Index by time of day

44/100Moderate

  1. 44/100Night
  2. 38/100Morning
  3. 10/100Day
  4. 14/100Evening

Friday — November 13

21°/15°

Index by time of day

40/100Moderate

  1. 37/100Night
  2. 40/100Morning
  3. 10/100Day
  4. 23/100Evening

Saturday — November 14

19°/15°

Index by time of day

46/100Moderate

  1. 46/100Night
  2. 35/100Morning
  3. 10/100Day
  4. 19/100Evening

Sunday — November 15

19°/15°

Index by time of day

48/100Moderate

  1. 48/100Night
  2. 37/100Morning
  3. 9/100Day
  4. 20/100Evening

Monday — November 16

19°/14°

Index by time of day

37/100Moderate

  1. 37/100Night
  2. 28/100Morning
  3. 6/100Day
  4. 16/100Evening

Tuesday — November 17

16°/12°

Index by time of day

27/100Low

  1. 27/100Night
  2. 21/100Morning
  3. 5/100Day
  4. 17/100Evening

Forecast of conditions that trap pollution near the surface

Weather

12°

Partly cloudy. Feels like 10°C

  1. MorningPartly cloudy13°C75%
  2. DayClear18°C61%
  3. EveningClear18°C64%

Wind

3m/sWind from the N

8m/sWind gusts

Wind force: 2

Gusts up to 8 m/s are expected.

10-day weather forecast for Yokosuka

Japan

  1. TodayNov 12Partly cloudy18°C12°C
  2. FriNov 13Partly cloudy21°C15°C
  3. SatNov 14Cloudy19°C15°C
  4. SunNov 15Rain19°C15°C
  5. MonNov 16Rain19°C14°C
  6. TueNov 17Rain16°C12°C
  7. WedNov 18Rain22°C11°C
  8. ThuNov 19Clear20°C12°C
  9. FriNov 20Clear15°C11°C
  10. SatNov 21Clear17°C10°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: Yokosuka

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 is the air quality in Yokosuka right now?

Fresh data for Yokosuka are insufficient (last update: 08:45 local time, 23:45 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