What causes Nairobi air pollution?
All studies demonstrate that vehicular emissions are an important pollution source in Nairobi. Black carbon produced from the incomplete combustion of fuel, typically produced from older vehicles, forms a large fraction of particulate matter in Nairobi, with levels among the highest in the world.
What is the main air pollutant in Nairobi?
The dominant pollutant type in Nairobi is PM2. 5. In 2020, the average PM2. 5 concentration in Nairobi was 14.7 µg/m3, which is about 1.5 times the recommend annual PM2.
What are the main sources of air pollution?
There are four main types of air pollution sources:
- mobile sources – such as cars, buses, planes, trucks, and trains.
- stationary sources – such as power plants, oil refineries, industrial facilities, and factories.
- area sources – such as agricultural areas, cities, and wood burning fireplaces.
What is the air quality in Nairobi Kenya?
Nairobi air quality index (AQI) forecast
| Day | Pollution level | Wind |
|---|---|---|
| Today | Moderate 65 US AQI | 11.2 mp/h |
| Thursday, Dec 9 | Good 32 US AQI | 11.2 mp/h |
| Friday, Dec 10 | Good 31 US AQI | 11.2 mp/h |
| Saturday, Dec 11 | Good 36 US AQI | 15.7 mp/h |
What is the pollution of Kenya?
Over 5million Kenyans living in major cities and towns are directly exposed to toxic emissions mainly from motor vehicles, industries, use of traditional fuels and kerosene used for cooking and heating. Indiscriminate burning of solid waste also causes air pollution.
What are two main sources of pollution?
The main sources of pollution are household activities, factories, agriculture and transport. Once they have been released into the environment, the concentration of some pollutants is reduced by dispersion, dilution, deposition or degradation.
What are the 5 major pollutants in the air?
The common air pollutants are:
- Particulate matter (PM10 and PM2.
- Ozone (O3)
- Nitrogen dioxide (NO2)
- Carbon monoxide (CO)
- Sulphur dioxide (SO2)
Does Kenya have a lot of pollution?
How bad is the air pollution in Kenya? The World Health Organisation (WHO) estimates that approximately 19,000 people dieeach year in Kenya due to air pollution, with the United Nations EnvironmentProgram (UNEP) citing 70 per cent pollution levels in Nairobi.
What is the cleanest city in Kenya?
Real-time Kenya Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Nairobi, Nairobi | 31 |
| 2 | Juja, Kiambu | 57 |
Which is cleanest city in Kenya?
Real-time Kenya Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Ngong, Kajiado | 10 |
| 2 | Nairobi, Nairobi | 47 |
| 3 | Kiambu, Kiambu | 74 |
| 4 | Juja, Kiambu | 78 |
What are the major sources of air pollution in Delhi?
Motor vehicle emissions are one of the causes of poor air quality. Other causes include wood-burning fires, cow dung cake combustion, fires on agricultural land, exhaust from diesel generators, dust from construction sites, burning garbage and illegal industrial activities in Delhi.