Chennai vs Madurai
Side-by-side air quality comparison between Chennai and Madurai.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chennai averaged an AQI of 68 while Madurai averaged 48 — a 20-point (42%) gap, with Chennai the more polluted and Madurai the cleaner of the two. On 76 days when both cities reported, Madurai was cleaner on 72 of them; the average daily gap was 58 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Chennai logged 0% Severe days and 57.5% Good-or-Satisfactory days; Madurai was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Madurai 17 days.
Year-over-year progress
The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Madurai hit AQI 105 at Uchapatti (TNPCB) on 2024-11-26.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Madurai spans 1 stations with a 0-point spread (min 48, max 48).