Ariyalur vs Ratlam
Side-by-side air quality comparison between Ariyalur and Ratlam.
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 Ratlam averaged 113 — a 67-point (146%) gap, with Ratlam the more polluted and Ariyalur the cleaner of the two. On 569 days when both cities reported, Ariyalur was cleaner on 499 of them; the average daily gap was 59 AQI points.
Seasonality & days
Ariyalur peaks in March, while Ratlam peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Ratlam 59 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).