Asansol vs Surat
Side-by-side air quality comparison between Asansol and Surat.
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 Surat averaged 83 — a 62-point (75%) gap, with Asansol the more polluted and Surat the cleaner of the two. On 333 days when both cities reported, Surat was cleaner on 286 of them; the average daily gap was 103 AQI points.
Seasonality & days
Asansol peaks in December, while Surat peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Surat was 0% Severe and 55.9% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Surat 55 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Surat has improved by 139 AQI points (62.6%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Surat hit AQI 384 at Science Center (SMC) on 2023-08-19.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Surat spans 1 stations with a 0-point spread (min 123, max 123).