Case Information

Project case-study OIZOM solution for environmental open data
Location: Delhi – India
Objective : Environmental Open Data
Initiative by: India Open Data Association (IODA), Delhi – India.
Solution : 40 Polludrone Devices for Ambient Air Quality Monitoring


The capital city Delhi is facing the issue of poor air-quality (especially during winter time) due to various sources of pollution. The assessment of Air Quality level for Delhi highlighted at 268 μg/m3 PM10 concentrations for the year 2015, which is 4.5 times higher than the annual permissible limit set by CPCB and about 13 times the annual limit set by WHO for PM10. Central pollution board has installed ambient air-quality monitoring stations in the city at few locations which are not enough for the size of the city. Most of the population of Delhi has not access of Air-Quality information to plan an action based on it.


According to the study, Delhi has faced the highest smog in recent years. Sudden drastic change in environmental condition is due to the increasing level of pollutants in the ambient air. Presently, the citizens have became concerned about environment of the city and the air-quality they breathe.

India Open Data Association, a non-profit Organisation which promotes and supports different open data initiatives in India, decided to execute a possible solution using open-data. IODA’s prime motive was to make the Air-Quality data available for every citizen and provide suggestive actions to prevent the health hazards of pollution.

Oizom_IODA EMK case study

IODA installed 40 Polludrones across Delhi to monitor Air-Quality and share the data through a visualization platform created by Oizom. India Open Data Association believes that “Air-Quality Data” can generate public awareness and trigger action to solve the problems which are of deep public interest.

Joining the community efforts with India Open Data Association, Oizom successfully installed 40 Polludrones in Delhi and also created a visualization platform where citizens can have information about present Air-Quality of their area. Through smart algorithms, the portal also gives suggestive actions to be taken as per the pollution level.

One of the objectives was to motivate and invite developers to develop an intuitive application using the data. Therefore, the real-time data from the monitors are made available using OPEN APIs under Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) License.


Through Real time Air Quality information from the smart reports generated; India Open Data Association came to the conclusion that the Air Pollution level in most of the areas of Delhi is highest during the peak hours, i.e., 8.30 a.m to 11.00 a.m and 7.00 p.m to 10.00 p.m. During the peak hours, the penetration of PM 2.5 and carbon dioxide is highest in the environment. The data can be visualized live on the Oizom platform through which citizens of Delhi are now aware of the environmental hazards and can take relevant actions to prevent health impact.

Way forward

India Open Data Association looks forward to support and execute such open-data projects to make important information publically available. IODA is also keen to replicate the model in 100+ cities in India. IODA looks forward to utilize the data obtained through the Polludrones installed to share with developers, activists and concerned ecologists through strategic media partnerships and publish the reports to create awareness about the importance of Air-Quality in the city.