Overall score
Use the Chennai profile to compare cost framing, transport access, and country-level South-India context alongside Bangalore and Hyderabad.
Overall65/100
Affordability78/100
Air quality60/100
Energy62/100
India / South Asia
Chennai City Intelligence
Chennai is a southern Indian Tamil-Nadu metro on the Bay of Bengal, with automotive, software-services, and healthcare-systems activity shaping a large regional profile. Chennai is a south asia city of about ~11M metro in India. On the composite city-intelligence score, Chennai sits below the indexed median, with practical gaps to close (65/100).
- Last updated
- 2026-05-16
- Data year
- 2025
- Population
- ~11M metro
Image credit: Image: Saiphani02 / Wikimedia Commons, CC BY-SA 4.0
Overall city intelligence
Mixed65/100
Composite directional score across affordability, air quality, clean energy, and resilience.
Data confidence
Directional
Directional indicators pending integration of verified city-level data.
Verified utility layers
See country hub
Emergency, healthcare, and transport verification status appears on the country hub.
Chennai data table
The table is part of the initial server-rendered HTML and mirrors the key city score cards.
| Metric | Value | Context |
|---|---|---|
| Overall score | 65/100 | Composite score across major city intelligence modules. |
| Cost of Living | 78/100 | Chennai's cost-of-living profile is a directional indicator pending integration of verified city-level data; structured benchmark context applies. |
| Air Quality | 60/100 | Chennai's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated. |
| Energy | 62/100 | Chennai's energy-readiness profile is a directional indicator that combines national policy framing with city-level adaptation context. |
| Safety | 62/100 | Chennai's safety profile is a directional indicator; verified country-level emergency profiles attach via the country hub where available. |
| Internet Speed | 64/100 | Chennai's connectivity profile is a directional indicator combining national digital-readiness context with widely cited speed-test references. |
| Climate Risk | 58/100 | Chennai's climate-risk profile is a directional indicator combining regional hazard categories with national adaptation capacity. |
| Resilience | 58/100 | Climate adaptation and infrastructure continuity context. |
Emergency and public safety in Chennai
Local public safety guidance for Chennai, with the country-level emergency contacts that apply when calling for police, fire, or ambulance.
For the universal emergency contacts that apply in Chennai, including police, fire, and ambulance, see the India emergency profile, which currently lists no verified national contacts.
Methodology and the wider source registry are documented on the scoring methodology and data sources pages.
Healthcare and hospitals in Chennai
Healthcare context for Chennai, with national-level information from India where city-specific data is not yet verified. This is informational only and does not provide medical advice.
For the national healthcare and public-health context that applies in Chennai, see the India healthcare profile, which currently lists no verified national healthcare information.
Related sections: emergency and public safety, scoring methodology, and data sources.
Transport and mobility in Chennai
Local mobility context for Chennai, with national-level context from India where city-specific data is not yet verified. This is informational only.
For national transport authorities and operators that apply in Chennai, see the India transport profile, which currently lists no verified national transport information.
Related sections: emergency and public safety, healthcare and hospitals, cities directory, countries directory, scoring methodology, data sources.
Air quality dataset
Source-attributed air-quality dataset for Chennai. Verified measurements are surfaced when published from accepted official datasets; transparent fallback is shown otherwise.
Air quality dataset for Chennai
Verified data unavailableLast updated 2026-05-16 / data year 2025
Verified air-quality measurements are not yet published for this location
Source-attributed values for Chennai will appear here after the platform integrates verified measurements from accepted official publishers. Until then, structured air-quality module context remains available on the dedicated module page.
| Metric | Value | Data year | Status |
|---|---|---|---|
| Air quality | Verified air-quality measurements are not yet published for this location. | ||
Data provenance
Source attributionGlobal City Intelligence — air-quality dataset
Verified data unavailable- Publisher
- Global City Intelligence
- Last verified
- 2026-05-16
The air-quality dataset begins empty by design. Verified city-level measurements appear here only after they are sourced from accepted publishers (WHO, EEA, US EPA, OpenAQ, OECD, or official national/city environmental agencies).
Methodology and context
Numeric measurements appear in this section only after they are sourced from accepted official publishers. The dataset is independently validated at build time; malformed records cannot ship to production.
- Scoring methodology — how indicators across the platform are constructed.
- Data sources registry — the official sources cited by verified datasets.
- Open the Chennai air-quality module
- Browse the clean-air city collection
Explore Chennai modules
City pages link to module and ranking pages so crawlers can move through the topic cluster naturally.
Cost of Living in Chennai
Chennai's cost-of-living profile is a directional indicator pending integration of verified city-level data; structured benchmark context applies.
Air Quality in Chennai
Chennai's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Energy in Chennai
Chennai's energy-readiness profile is a directional indicator that combines national policy framing with city-level adaptation context.
Safety in Chennai
Chennai's safety profile is a directional indicator; verified country-level emergency profiles attach via the country hub where available.
Internet Speed in Chennai
Chennai's connectivity profile is a directional indicator combining national digital-readiness context with widely cited speed-test references.
Climate Risk in Chennai
Chennai's climate-risk profile is a directional indicator combining regional hazard categories with national adaptation capacity.
City rankings
Compare this city against other indexed cities in crawlable ranking tables.
Arrival planning guide for Chennai
Practical arrival planning context for Chennai — links into transport, public-safety, healthcare, budgeting tools, and methodology. Not an official airport or travel instruction service.
Estimate a monthly budget for Chennai
Estimate a monthly budget for Chennai using your own housing, food, transport, healthcare, and lifestyle inputs. Planning estimator only — not an official cost-of-living measurement.
Plan a trip budget for Chennai
Plan a trip budget for Chennai using your own accommodation, food, local transport, activities, travel, healthcare buffer, and emergency buffer inputs. Planning estimator only — not an official travel cost estimate.
Interpretation
Use the Chennai profile to compare cost framing, transport access, and country-level South-India context alongside Bangalore and Hyderabad. Its standout dimensions are cost of living (78/100) and internet speed (64/100). The area most worth watching is climate risk (58/100), where the model registers practical gaps. Data year 2025; last updated 2026-05-16. Drawn from 4 institutional references.
Country context is available on the India country page. Related rankings include Overall Intelligence, Quality of Life, Remote Work. See where Chennai appears in global rankings or read the scoring methodology.
Structured indicators on this page are directional and intended for orientation. Verified datasets are being integrated; official sources should be used for critical decisions.
Sources
4 institutional references inform this view, listed below with reliability notes. Structured indicators on this page are directional and intended for orientation; verified datasets are being integrated and official sources should be used for critical decisions.
- UN-Habitat: World Cities Report 2024
Used as a policy and methodology reference for urban exposure and resilience signals.
- NASA: NASA POWER
Used as an energy-resource and weather-normalization reference.
- World Health Organization: WHO Global Air Quality Guidelines
Used to normalize air-quality indicators toward health-protective benchmarks.
- IPCC: AR6 WGII Chapter 6: Cities, settlements and key infrastructure
Used to explain urban climate vulnerability and adaptation scoring logic.