Dindigul vs Kalyān
Side-by-side air quality comparison between Dindigul and Kalyān.
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, Dindigul averaged an AQI of 61 while Kalyān averaged 95 — a 34-point (56%) gap, with Kalyān the more polluted and Dindigul the cleaner of the two. On 164 days when both cities reported, Dindigul was cleaner on 138 of them; the average daily gap was 46 AQI points.
Seasonality & days
Dindigul peaks in February, while Kalyān peaks in January. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Kalyān 78 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).