Chennai vs Jālna
Side-by-side air quality comparison between Chennai and Jālna.
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 Jālna averaged 115 — a 47-point (69%) gap, with Jālna the more polluted and Chennai the cleaner of the two. On 322 days when both cities reported, Chennai was cleaner on 186 of them; the average daily gap was 54 AQI points.
Seasonality & days
Chennai peaks in December, while Jālna peaks in March. Chennai logged 0% Severe days and 57.5% Good-or-Satisfactory days; Jālna was 0% Severe and 53.1% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Jālna 17 days.
Year-over-year progress
Chennai has improved by 25 AQI points (26.9%) from 2017 to 2024; Jālna has worsened by 18 AQI points (18.6%) over the same window. The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Jālna hit AQI 335 at Old MIDC (MPCB) on 2024-03-07.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Jālna spans 1 stations with a 0-point spread (min 109, max 109).