City assessment
How smart is Chennai?
Chennai scores 46.2% against the ISO 37120-series aligned smart city framework in 2026, ranked #270 of 386 by smart reach and #302 on the evidence alone, with every finding traceable to a public source.
Each criterion counts in full where the evidence shows it present, half where partial and nothing where absent, weighted by its category. 27 of 86 are not yet assessed and count as nothing until a finding is made either way. Last assessed 3 Sept 2026.
Smart reach rank
#270 / 386
Smart score
46.2%
Evidenced rank
#302 / 387
Criteria present
28 / 86
Evidence coverage
60.5%
Chennai's smart city score by area
5 present · 3 partial · 0 absent · 7 not yet assessed
4 present · 1 partial · 0 absent · 7 not yet assessed
4 present · 4 partial · 2 absent · 3 not yet assessed
1 present · 4 partial · 6 absent
4 present · 5 partial · 0 absent · 4 not yet assessed
6 present · 1 partial · 0 absent · 1 not yet assessed
4 present · 6 partial · 2 absent · 2 not yet 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 evidence shows gaps
- ▸Water & Sanitation · 4 absent
- ▸Housing & Urban Planning · 2 absent
- ▸Climate Action & Emissions · 1 absent, 1 partial
- ▸Governance & Smart-City Operating Model · 1 absent, 2 partial
- ▸Solid Waste & Circular Economy · 4 partial
Not yet assessed
27 of 86 criteria have no finding yet, either way. They count as nothing in the score until one is made, and they are not gaps.
- Active & Shared Mobility4 of 4
- Smart Traffic & Electric Vehicles3 of 4
- Connectivity & ICT Infrastructure2 of 4
- Digital Government Services2 of 4
- Energy & Smart Grid2 of 4
- Inclusion & Civic Participation2 of 3
- Open Data & Transparency2 of 4
- Public Safety & Emergency2 of 4
- Air Quality & Monitoring1 of 3
- Critical Infrastructure Resilience1 of 3
- Governance & Smart-City Operating Model1 of 4
- Innovation & Economic Development1 of 4
- Urban Data Platform & Digital Twin1 of 3
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 ISO 37120-series aligned smart city framework on 3 Sept 2026 by AI agents gathering evidence from official public sources. Each criterion is marked present, partial or absent, or left not yet assessed, and every finding links to where it was found. Cities are re-assessed in runs, not continuously: the latest finished on 24 Oct 2026.