Ambala vs Samastipur
Side-by-side air quality comparison between Ambala and Samastipur.
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 Samastipur averaged 134 — a 40-point (43%) gap, with Samastipur the more polluted and Ambala the cleaner of the two. On 704 days when both cities reported, Ambala was cleaner on 519 of them; the average daily gap was 85 AQI points.
Seasonality & days
Ambala peaks in November, while Samastipur peaks in January. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Samastipur 9 days.
Year-over-year progress
Ambala has improved by 52 AQI points (35.6%) from 2019 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).