Table of Contents
- 1 Where can I find historical air quality data?
- 2 How polluted is Delhi’s air?
- 3 Which website is most accurate for air quality?
- 4 Is purple air more accurate than AirNow?
- 5 What is the source of air pollution in Delhi?
- 6 What is the usage notice for air quality data?
- 7 Which is the best Institute for air quality engineering in Delhi?
Where can I find historical air quality data?
Use the tools on this site to access recent and historical data. For current air quality, visit AirNow.gov. During fire events, use the Fire and Smoke map.
How polluted is Delhi’s air?
Delhi Air Pollution: Real-time Air Quality Index (AQI)
| Current | Max | |
|---|---|---|
| PM2.5 AQI | 189 | 520 |
| PM10 AQI | 246 | 716 |
| O3 AQI | 27 | 28 |
| NO2 AQI | 49 | 58 |
Has air pollution decreased in Delhi?
According to a report by Iqair.com, a Switzerland-based organization, Delhi has dropped down to the 10th spot among the polluted cities in the world. Another report by the Centre of Science and Environment (CSE) reveals that Delhi’s PM 2.5 has decreased at the rate of 25\% between 2018 and 2020.
Which website is most accurate for air quality?
Check Air Quality From Your Browser Two you should try are BreezoMeter and Aqicn. Both of them provide largely accurate results. As it turns out, Aqicn actually stems from a social enterprise project called The World Air Quality Index Project.
Is purple air more accurate than AirNow?
Broadly put, PurpleAir provides more localized, more current and less accurate readings than AirNow. PurpleAir readings and those from government sensors like the ones maintained by the Bay Area Air Quality Management District differ in several key ways: speed, accuracy and placement.
Why is Delhi’s air so bad?
In November 2017, in an event known as the Great Smog of Delhi, the air pollution spiked far beyond acceptable levels. Delhi’s pollution problem is also caused by the factor of animal agriculture, as smog and other harmful particles are produced by farmers burning their crops in other states since 2002.
What is the source of air pollution in Delhi?
An estimated 18.6 percent of total air pollution in Delhi comes from the industrial sector, with somewhere in the order of several hundred to over a thousand tons of pollutants released into the atmosphere over the course of the year from factories alone.
What is the usage notice for air quality data?
Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time.
Why Delhi is compared to a gas chamber in winter?
The residents of the capital city of India have to bear the brunt of the annual winter pollution. The air quality drops to such a level that the city is compared to a gas chamber! Delhi starts witnessing high levels of air pollution in late October and the contamination worsens until the end of the year.
Which is the best Institute for air quality engineering in Delhi?
Delhi Institute of Tool Engineering, Wazirpur, Delhi AQI: Delhi Institute of Tool Engineering, Wazirpur, Delhi Real-time Air Quality Index (AQI). Temp. Satyawati College, Delhi Air Quality.