Chennai vs Pimpri-Chinchwad
Side-by-side air quality comparison between Chennai and Pimpri-Chinchwad.
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 Pimpri-Chinchwad averaged 114 — a 46-point (68%) gap, with Pimpri-Chinchwad the more polluted and Chennai the cleaner of the two. On 366 days when both cities reported, Chennai was cleaner on 208 of them; the average daily gap was 73 AQI points.
Seasonality & days
Chennai peaks in December, while Pimpri-Chinchwad peaks in November. Chennai logged 0% Severe days and 57.5% Good-or-Satisfactory days; Pimpri-Chinchwad was 0% Severe and 42% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Pimpri-Chinchwad 82 days.
Year-over-year progress
The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Pimpri-Chinchwad hit AQI 341 at Thergaon Pimpri (MPCB) on 2024-11-23.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Pimpri-Chinchwad spans 4 stations with a 20-point spread (min 107, max 127).