Durgapur vs Purnia
Side-by-side air quality comparison between Durgapur and Purnia.
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 Purnia averaged 133 — a 41-point (31%) gap, with Durgapur the more polluted and Purnia the cleaner of the two. On 160 days when both cities reported, Purnia was cleaner on 135 of them; the average daily gap was 78 AQI points.
Seasonality & days
Durgapur peaks in December, while Purnia peaks in January. Durgapur logged 1.3% Severe days and 30.3% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Durgapur 6 days, Purnia 14 days.
Year-over-year progress
The worst recorded day for Durgapur reached AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Durgapur spans 2 CPCB stations with a 31-point spread (min 164, max 195); Purnia spans 1 stations with a 0-point spread (min 176, max 176).