Ratlam vs Siliguri
Side-by-side air quality comparison between Ratlam and Siliguri.
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, Ratlam averaged an AQI of 113 while Siliguri averaged 81 — a 32-point (40%) gap, with Ratlam the more polluted and Siliguri the cleaner of the two. On 1411 days when both cities reported, Siliguri was cleaner on 844 of them; the average daily gap was 53 AQI points.
Seasonality & days
Ratlam peaks in November, while Siliguri peaks in February. Ratlam logged 0% Severe days and 46.4% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Ratlam 59 days, Siliguri 180 days.
Year-over-year progress
Ratlam has improved by 19 AQI points (14.4%) from 2018 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Ratlam reached AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Ratlam spans 1 CPCB stations with a 0-point spread (min 103, max 103); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).