Asansol vs Kolār
Side-by-side air quality comparison between Asansol and Kolār.
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 Kolār averaged 65 — a 80-point (123%) gap, with Asansol the more polluted and Kolār the cleaner of the two. On 918 days when both cities reported, Kolār was cleaner on 793 of them; the average daily gap was 97 AQI points.
Seasonality & days
Asansol peaks in December, while Kolār peaks in September. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Kolār 17 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Kolār has improved by 56 AQI points (46.3%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Kolār spans 1 stations with a 0-point spread (min 71, max 71).