Panchkula vs Siwan
Side-by-side air quality comparison between Panchkula and Siwan.
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 2022, Panchkula averaged an AQI of 117 while Siwan averaged 148 — a 31-point (26%) gap, with Siwan the more polluted and Panchkula the cleaner of the two. On 264 days when both cities reported, Panchkula was cleaner on 235 of them; the average daily gap was 126 AQI points.
Seasonality & days
Panchkula peaks in December, while Siwan peaks in January. Panchkula logged 0.1% Severe days and 61.9% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Panchkula 60 days, Siwan 13 days.
Year-over-year progress
Panchkula has improved by 74 AQI points (38.7%) from 2017 to 2022; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Panchkula reached AQI 474 at Sector-6 Panchkula () on 2018-06-15; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Panchkula spans 1 CPCB stations with a 0-point spread (min 102, max 102); Siwan spans 1 stations with a 0-point spread (min 197, max 197).