St. Gallen air quality now

Switzerland · 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 St. Gallen right now.

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

Weather now: partly cloudy, 9°C, wind 1 m/s, humidity 96%. No major change in the wind is expected in the coming hours.

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

1 m/s

Wind, S

2.5 mm

Precipitation today

Pollution accumulation index now

24/100Low · An estimate of weather conditions · not a PM2.5 forecast

Now2415
23.0007.0014.0022.00

Pollution accumulation forecast

Today — November 11

13°/8°

Index by time of day

53/100Moderate

  1. 53/100Night
  2. 39/100Morning
  3. 8/100Day
  4. 24/100Evening

Thursday — November 12

11°/6°

Index by time of day

50/100Moderate

  1. 50/100Night
  2. 42/100Morning
  3. 7/100Day
  4. 16/100Evening

Friday — November 13

6°/0°

Index by time of day

34/100Low

  1. 32/100Night
  2. 34/100Morning
  3. 10/100Day
  4. 27/100Evening

Saturday — November 14

4°/-1°

Index by time of day

57/100Moderate

  1. 57/100Night
  2. 45/100Morning
  3. 10/100Day
  4. 26/100Evening

Sunday — November 15

8°/0°

Index by time of day

57/100Moderate

  1. 57/100Night
  2. 40/100Morning
  3. 10/100Day
  4. 21/100Evening

Monday — November 16

10°/3°

Index by time of day

51/100Moderate

  1. 51/100Night
  2. 35/100Morning
  3. 8/100Day
  4. 22/100Evening

Forecast of conditions that trap pollution near the surface

Weather

9°

Partly cloudy. Feels like 8°C

  1. MorningCloudy10°C92%
  2. DayRain12°C89%
  3. EveningPartly cloudy10°C96%

Wind

1m/sWind from the S

2m/sWind gusts

Wind force: 1

Light wind is expected over the next few hours.

10-day weather forecast for St. Gallen

Switzerland

  1. TodayNov 11Rain13°C8°C
  2. ThuNov 12Rain11°C6°C
  3. FriNov 13Rain6°C0°C
  4. SatNov 14Cloudy4°C-1°C
  5. SunNov 15Cloudy8°C0°C
  6. MonNov 16Rain10°C3°C
  7. TueNov 17Rain12°C3°C
  8. WedNov 18Rain12°C5°C
  9. ThuNov 19Rain8°C4°C
  10. FriNov 20Rain6°C3°C

Switzerland: sensors in total

142

  1. WinterthurSwitzerland

    67
  2. ZurichSwitzerland

    25
  3. BernSwitzerland

    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.

Questions

What is the air quality in St. Gallen right now?

Fresh data for St. Gallen 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