Ambala vs Bulandshahr
Side-by-side air quality comparison between Ambala and Bulandshahr.
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 Bulandshahr averaged 142 — a 48-point (51%) gap, with Bulandshahr the more polluted and Ambala the cleaner of the two. On 1907 days when both cities reported, Ambala was cleaner on 1460 of them; the average daily gap was 67 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Bulandshahr was 3.2% Severe and 27.099999999999998% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Bulandshahr 41 days.
Year-over-year progress
Ambala has improved by 52 AQI points (35.6%) from 2019 to 2024; Bulandshahr has improved by 82 AQI points (36.6%) over the same window. The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Bulandshahr hit AQI 500 at Yamunapuram (UPPCB) on 2018-06-13.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); Bulandshahr spans 1 stations with a 0-point spread (min 180, max 180).