Delhi vs Samastipur
Side-by-side air quality comparison between Delhi 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, Delhi averaged an AQI of 210 while Samastipur averaged 134 — a 76-point (57%) gap, with Delhi the more polluted and Samastipur the cleaner of the two. On 792 days when both cities reported, Samastipur was cleaner on 721 of them; the average daily gap was 131 AQI points.
Seasonality & days
Delhi peaks in November, while Samastipur peaks in January. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Samastipur 9 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).