Alcácer do Sal air quality now

Portugal · 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 Alcácer do Sal right now. From 09:00 to 17:00 local time the city mean PM2.5 stayed roughly level: from 2.3 to 2.3 µg/m³.

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

Weather now: partly cloudy, 17°C, wind 4 m/s, humidity 92%. No major change in the wind is expected in the coming hours.

Written automatically at 21:14 local time (21:14 UTC) from sensor measurements and the weather forecast. Values are approximate; hypotheses are marked.

4 m/s

Wind, W

46.8 mm

Precipitation today

Pollution accumulation index now

20/100Low · An estimate of weather conditions · not a PM2.5 forecast

Now2022
22.0006.0013.0021.00

Pollution accumulation forecast

Today — November 11

20°/17°

Index by time of day

38/100Moderate

  1. 38/100Night
  2. 32/100Morning
  3. 7/100Day
  4. 20/100Evening

Thursday — November 12

19°/16°

Index by time of day

43/100Moderate

  1. 43/100Night
  2. 30/100Morning
  3. 7/100Day
  4. 22/100Evening

Friday — November 13

20°/16°

Index by time of day

50/100Moderate

  1. 50/100Night
  2. 40/100Morning
  3. 7/100Day
  4. 24/100Evening

Saturday — November 14

19°/15°

Index by time of day

42/100Moderate

  1. 42/100Night
  2. 32/100Morning
  3. 8/100Day
  4. 26/100Evening

Sunday — November 15

18°/15°

Index by time of day

53/100Moderate

  1. 53/100Night
  2. 39/100Morning
  3. 7/100Day
  4. 17/100Evening

Monday — November 16

20°/17°

Index by time of day

44/100Moderate

  1. 44/100Night
  2. 33/100Morning
  3. 6/100Day
  4. 14/100Evening

Forecast of conditions that trap pollution near the surface

Weather

17°

Partly cloudy. Feels like 17°C

  1. MorningRain18°C94%
  2. DayRain20°C89%
  3. EveningPartly cloudy17°C92%

Wind

4m/sWind from the W

8m/sWind gusts

Wind force: 3

Gusts up to 8 m/s are expected.

10-day weather forecast for Alcácer do Sal

Portugal

  1. TodayNov 11Rain20°C17°C
  2. ThuNov 12Rain19°C16°C
  3. FriNov 13Cloudy20°C16°C
  4. SatNov 14Cloudy19°C15°C
  5. SunNov 15Cloudy18°C15°C
  6. MonNov 16Cloudy20°C17°C
  7. TueNov 17Rain21°C17°C
  8. WedNov 18Cloudy18°C15°C
  9. ThuNov 19Cloudy19°C13°C
  10. FriNov 20Rain15°C12°C

Portugal: sensors in total

7

  1. Rio MaiorPortugal

    2

  2. LisbonPortugal

    2

  3. AmoraPortugal

    1

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: Alcácer do Sal

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

Click a day to see its date and value.

LowModerateElevatedHighVery highExtremely high

Portugal · City ranking · All pilot cities

Questions

What is the air quality in Alcácer do Sal right now?

Fresh data for Alcácer do Sal are insufficient (last update: 08:00 local time, 08:00 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