Chennai vs Durgapur
Side-by-side air quality comparison between Chennai and Durgapur.
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 Durgapur averaged 174 — a 106-point (156%) gap, with Durgapur the more polluted and Chennai the cleaner of the two. On 224 days when both cities reported, Chennai was cleaner on 161 of them; the average daily gap was 87 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; Durgapur was 1.3% Severe and 30.3% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Durgapur 6 days.
Year-over-year progress
The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Durgapur hit AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Durgapur spans 2 stations with a 31-point spread (min 164, max 195).