Pretoria air quality now

South Africa · 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 Pretoria right now. From 11:00 to 22:00 local time the city mean PM2.5 rose from 15.0 to 28.0 µg/m³. The highest hour was 14:00 with 42.0 µg/m³.

Light wind (1 m/s) in the evening or at night, as the air cools, possibly traps particles near the ground (a temperature inversion).

Weather now: clear, 23°C, wind 1 m/s, humidity 45%. No major change in the wind is expected in the coming hours. By 11:00 the temperature will be about 33°C.

Written automatically at 23:13 local time (21:13 UTC) from sensor measurements and the weather forecast. Values are approximate; hypotheses are marked.

1 m/s

Wind, SE

0 mm

Precipitation today

Pollution accumulation index now

43/100Moderate · An estimate of weather conditions · not a PM2.5 forecast

Now4316
00.0008.0015.0023.00

Pollution accumulation forecast

Today — November 12

35°/17°

Index by time of day

56/100Moderate

  1. 56/100Night
  2. 40/100Morning
  3. 7/100Day
  4. 21/100Evening

Friday — November 13

35°/18°

Index by time of day

53/100Moderate

  1. 53/100Night
  2. 38/100Morning
  3. 6/100Day
  4. 23/100Evening

Saturday — November 14

34°/18°

Index by time of day

55/100Moderate

  1. 55/100Night
  2. 30/100Morning
  3. 9/100Day
  4. 20/100Evening

Sunday — November 15

28°/18°

Index by time of day

51/100Moderate

  1. 51/100Night
  2. 32/100Morning
  3. 7/100Day
  4. 24/100Evening

Monday — November 16

29°/16°

Index by time of day

60/100Moderate

  1. 60/100Night
  2. 44/100Morning
  3. 6/100Day
  4. 26/100Evening

Tuesday — November 17

27°/15°

Index by time of day

59/100Moderate

  1. 59/100Night
  2. 42/100Morning
  3. 8/100Day
  4. 20/100Evening

Forecast of conditions that trap pollution near the surface

Weather

23°

Clear. Feels like 22°C

  1. MorningClear28°C39%
  2. DayPartly cloudy35°C18%
  3. EveningPartly cloudy27°C36%

Wind

1m/sWind from the SE

2m/sWind gusts

Wind force: 1

Light wind is expected over the next few hours.

10-day weather forecast for Pretoria

South Africa

  1. TodayNov 12Cloudy35°C17°C
  2. FriNov 13Cloudy35°C18°C
  3. SatNov 14Rain34°C18°C
  4. SunNov 15Rain28°C18°C
  5. MonNov 16Thunderstorm29°C16°C
  6. TueNov 17Partly cloudy27°C15°C
  7. WedNov 18Cloudy27°C16°C
  8. ThuNov 19Rain29°C16°C
  9. FriNov 20Rain31°C17°C

South Africa: sensors in total

33

  1. Cape TownSouth Africa

    5

  2. KwaDukuzaSouth Africa

    4

  3. Richards BaySouth Africa

    4

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: Pretoria

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

Click a day to see its date and value.

LowModerateElevatedHighVery highExtremely high

South Africa · City ranking · All pilot cities

Questions

What is the air quality in Pretoria right now?

Fresh data for Pretoria are insufficient (last update: 12:30 local time, 10:30 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