Asansol vs Guwahati
Side-by-side air quality comparison between Asansol and Guwahati.
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 Guwahati averaged 123 — a 22-point (18%) gap, with Asansol the more polluted and Guwahati the cleaner of the two. On 1630 days when both cities reported, Guwahati was cleaner on 892 of them; the average daily gap was 54 AQI points.
Seasonality & days
Asansol peaks in December, while Guwahati peaks in January. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Guwahati was 0.1% Severe and 44.9% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Guwahati 105 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Guwahati has worsened by 14 AQI points (12.8%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Guwahati hit AQI 420 at Railway Colony (PCBA) on 2023-01-15.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Guwahati spans 4 stations with a 26-point spread (min 118, max 144).