Asansol vs Ratlam
Side-by-side air quality comparison between Asansol 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, Asansol averaged an AQI of 145 while Ratlam averaged 113 — a 32-point (28%) gap, with Asansol the more polluted and Ratlam the cleaner of the two. On 1489 days when both cities reported, Ratlam was cleaner on 976 of them; the average daily gap was 60 AQI points.
Seasonality & days
Asansol peaks in December, while Ratlam peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Ratlam 59 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).