Hosur vs Ratlam
Side-by-side air quality comparison between Hosur 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 2022, Hosur averaged an AQI of 90 while Ratlam averaged 113 — a 23-point (26%) gap, with Ratlam the more polluted and Hosur the cleaner of the two. On 95 days when both cities reported, Ratlam was cleaner on 55 of them; the average daily gap was 29 AQI points.
Seasonality & days
Hosur peaks in December, while Ratlam peaks in November. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Ratlam 59 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).