// CITY_ASSESSMENT
How smart is Chennai?
Chennai scores 46.2% against the UN ISO-aligned smart city framework in 2026 — ranked #252 of 388 cities assessed, with every finding traceable to a public source.
Smart score
46.2%
Rank
#252 / 388
Criteria present
28 / 86
Evidence coverage
60.5%
Chennai's smart city score by area
5 present · 3 partial · 0 absent · 7 not assessed
4 present · 1 partial · 0 absent · 7 not assessed
4 present · 4 partial · 2 absent · 3 not assessed
1 present · 4 partial · 6 absent
4 present · 5 partial · 0 absent · 4 not assessed
6 present · 1 partial · 0 absent · 1 not assessed
4 present · 6 partial · 2 absent · 2 not assessed
Where Chennai is strong
- ▸Culture, Tourism & Recreation
- ▸Public Transport & Real-Time Information
- ▸Education & Digital Skills
- ▸Innovation & Economic Development
- ▸Food Security & Urban Agriculture
Where the gaps are
- ▸Water & Sanitation
- ▸Energy & Smart Grid
- ▸Smart Traffic & Electric Vehicles
- ▸Governance & Smart-City Operating Model
- ▸Urban Data Platform & Digital Twin
Evidence highlights
Connectivity & ICT Infrastructure · Fibre / high-speed broadband coverage
The Tamil Nadu FibreNet Corporation (TANFINET) is implementing the BharatNet project to provide 1Gbps connectivity through an optical fiber network to 12,525 Village Panchayats across Tamil Nadu.
https://tanfinet.tn.gov.in/Public Transport & Real-Time Information · Public transport network
Chennai operates a public transport network including the Chennai Mass Rapid Transit System (MRTS), the Metropolitan Transport Corporation (MTC) for buses, and the Chennai Metro Rail Limited (CMRL).
https://data.opencity.in/dataset/chennai-mrts-dataPublic Transport & Real-Time Information · Real-time arrivals (GTFS-RT)
The Chalo App India offers live bus tracking and allows users to buy bus tickets or passes on their mobile to scan and travel.
https://chalo.com/Air Quality & Monitoring · Air-quality monitoring network
Chennai has an air quality monitoring network with at least 5 fixed stations, including Kodungaiyur, Koyambedu, and Royapuram, which provide daily air quality reports from 2022 to 2024.
https://data.opencity.in/dataset/chennai-air-quality-reports-2022-2024About this assessment
Chennai was assessed against the 86 criteria of the UN ISO-aligned smart city framework on 2026-09-03 by AI agents gathering evidence from official public sources. Each criterion is marked present, partial or absent, and every finding links to where it was found. Scores refresh continuously as cities publish new evidence.