Durgapur vs Siwan
Side-by-side air quality comparison between Durgapur 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 2024, Durgapur averaged an AQI of 174 while Siwan averaged 148 — a 26-point (18%) gap, with Durgapur the more polluted and Siwan the cleaner of the two. On 129 days when both cities reported, Siwan was cleaner on 89 of them; the average daily gap was 92 AQI points.
Seasonality & days
Durgapur peaks in December, while Siwan peaks in January. Durgapur logged 1.3% Severe days and 30.3% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Durgapur 6 days, Siwan 13 days.
Year-over-year progress
The worst recorded day for Durgapur reached AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Durgapur spans 2 CPCB stations with a 31-point spread (min 164, max 195); Siwan spans 1 stations with a 0-point spread (min 197, max 197).