Ambala vs Guwahati
Side-by-side air quality comparison between Ambala and Guwahati.
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 Guwahati averaged 123 — a 29-point (31%) gap, with Guwahati the more polluted and Ambala the cleaner of the two. On 1949 days when both cities reported, Ambala was cleaner on 973 of them; the average daily gap was 80 AQI points.
Seasonality & days
Ambala peaks in November, while Guwahati peaks in January. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Guwahati was 0.1% Severe and 44.9% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Guwahati 105 days.
Year-over-year progress
Ambala has improved by 52 AQI points (35.6%) from 2019 to 2024; Guwahati has worsened by 14 AQI points (12.8%) over the same window. The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Guwahati hit AQI 420 at Railway Colony (PCBA) on 2023-01-15.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); Guwahati spans 4 stations with a 26-point spread (min 118, max 144).