| Target | 9.4 - By 2030, upgrade infrastructure and retrofit industries to make them sustainable, with increased resource-use efficiency and greater adoption of clean and environmentally sound technologies and industrial processes, with all countries taking action in accordance with their respective capabilities |
| Indicator Number | 9.4.1a |
| Indicator Description | Number of Air quality monitoring stations |
| Indicator Type | State Specific |
| Department | Tamil Nadu Pollution Control Board |
| Indicator Info | None |
| Unit of Measure | Number |
| Frequency | Yearly |
| Performance and Analysis | ||||
|---|---|---|---|---|
| View Data | Graphs | Maps | State Level | District Level | State level | District level | District Level |