Purnia vs Ranipet
Side-by-side air quality comparison between Purnia and Ranipet.
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, Purnia averaged an AQI of 133 while Ranipet averaged 75 — a 58-point (77%) gap, with Purnia the more polluted and Ranipet the cleaner of the two. On 55 days when both cities reported, Ranipet was cleaner on 48 of them; the average daily gap was 103 AQI points.
Seasonality & days
Purnia peaks in January, while Ranipet peaks in November. Purnia logged 3.7% Severe days and 33.699999999999996% Good-or-Satisfactory days; Ranipet was 0% Severe and 67.80000000000001% Good-or-Satisfactory. Longest clean-air streaks: Purnia 14 days, Ranipet 10 days.
Year-over-year progress
The worst recorded day for Purnia reached AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15; Ranipet hit AQI 224 at VOC Nagar SIPCOT (TNPCB) on 2024-12-17.
Station-level disparity
Purnia spans 1 CPCB stations with a 0-point spread (min 176, max 176); Ranipet spans 1 stations with a 0-point spread (min 75, max 75).