Ariyalur vs Dindigul
Side-by-side air quality comparison between Ariyalur and Dindigul.
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, Ariyalur averaged an AQI of 46 while Dindigul averaged 61 — a 15-point (33%) gap, with Dindigul the more polluted and Ariyalur the cleaner of the two. On 203 days when both cities reported, Ariyalur was cleaner on 160 of them; the average daily gap was 65 AQI points.
Seasonality & days
Ariyalur peaks in March, while Dindigul peaks in February. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Dindigul was 0% Severe and 67.3% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Dindigul 22 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Dindigul has improved by 29 AQI points (32.2%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Dindigul hit AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Dindigul spans 1 stations with a 0-point spread (min 102, max 102).