Ambala vs Asansol
Side-by-side air quality comparison between Ambala and Asansol.
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, Ambala averaged an AQI of 94 while Asansol averaged 145 — a 51-point (54%) gap, with Asansol the more polluted and Ambala the cleaner of the two. On 1576 days when both cities reported, Asansol was cleaner on 797 of them; the average daily gap was 71 AQI points.
Seasonality & days
Ambala peaks in November, while Asansol peaks in December. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Asansol was 0% Severe and 43.3% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Asansol 44 days.
Year-over-year progress
Ambala has improved by 52 AQI points (35.6%) from 2019 to 2024; Asansol has worsened by 12 AQI points (9%) over the same window. The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Asansol hit AQI 394 at Court Area (WBPCB) on 2022-12-13.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); Asansol spans 4 stations with a 40-point spread (min 123, max 163).