Kanchipuram vs Samastipur
Side-by-side air quality comparison between Kanchipuram 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, Kanchipuram averaged an AQI of 51 while Samastipur averaged 134 — a 83-point (163%) gap, with Samastipur the more polluted and Kanchipuram the cleaner of the two. On 302 days when both cities reported, Kanchipuram was cleaner on 295 of them; the average daily gap was 147 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Samastipur peaks in January. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Samastipur 9 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).