Ahmednagar vs Chennai
Side-by-side air quality comparison between Ahmednagar and Chennai.
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, Ahmednagar averaged an AQI of 109 while Chennai averaged 68 — a 41-point (60%) gap, with Ahmednagar the more polluted and Chennai the cleaner of the two. On 294 days when both cities reported, Chennai was cleaner on 154 of them; the average daily gap was 41 AQI points.
Seasonality & days
Ahmednagar peaks in November, while Chennai peaks in December. Ahmednagar logged 0% Severe days and 50.1% Good-or-Satisfactory days; Chennai was 0% Severe and 57.5% Good-or-Satisfactory. Longest clean-air streaks: Ahmednagar 13 days, Chennai 53 days.
Year-over-year progress
Ahmednagar has worsened by 15 AQI points (16%) from 2023 to 2024; Chennai has improved by 25 AQI points (26.9%) over the same window. The worst recorded day for Ahmednagar reached AQI 259 at Tarakpur (MPCB) on 2024-12-18; Chennai hit AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14.
Station-level disparity
Ahmednagar spans 1 CPCB stations with a 0-point spread (min 104, max 104); Chennai spans 9 stations with a 27-point spread (min 63, max 90).