Asansol vs Silchar
Side-by-side air quality comparison between Asansol and Silchar.
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 Silchar averaged 52 — a 93-point (179%) gap, with Asansol the more polluted and Silchar the cleaner of the two. On 352 days when both cities reported, Silchar was cleaner on 345 of them; the average daily gap was 119 AQI points.
Seasonality & days
Asansol peaks in December, while Silchar peaks in February. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Silchar 87 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Silchar spans 1 stations with a 0-point spread (min 47, max 47).