Perundurai vs Ratlam
Side-by-side air quality comparison between Perundurai 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, Perundurai averaged an AQI of 75 while Ratlam averaged 113 — a 38-point (51%) gap, with Ratlam the more polluted and Perundurai the cleaner of the two. On 57 days when both cities reported, Perundurai was cleaner on 57 of them; the average daily gap was 87 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Ratlam 59 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).