Ambala vs Dewās
Side-by-side air quality comparison between Ambala and Dewās.
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 Dewās averaged 98 — a 4-point (4%) gap, with Dewās the more polluted and Ambala the cleaner of the two. On 1887 days when both cities reported, Dewās was cleaner on 1216 of them; the average daily gap was 56 AQI points.
Seasonality & days
Ambala peaks in November, while Dewās peaks in December. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Dewās was 0% Severe and 47.7% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Dewās 101 days.
Year-over-year progress
Ambala has improved by 52 AQI points (35.6%) from 2019 to 2024; Dewās has improved by 48 AQI points (32.9%) over the same window. The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Dewās hit AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); Dewās spans 1 stations with a 0-point spread (min 106, max 106).