Guwahati vs Ratlam
Side-by-side air quality comparison between Guwahati 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, Guwahati averaged an AQI of 123 while Ratlam averaged 113 — a 10-point (9%) gap, with Guwahati the more polluted and Ratlam the cleaner of the two. On 1860 days when both cities reported, Ratlam was cleaner on 1148 of them; the average daily gap was 69 AQI points.
Seasonality & days
Guwahati peaks in January, while Ratlam peaks in November. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Ratlam 59 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).