Indore vs Purnia
Side-by-side air quality comparison between Indore 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, Indore averaged an AQI of 84 while Purnia averaged 133 — a 49-point (58%) gap, with Purnia the more polluted and Indore the cleaner of the two. On 601 days when both cities reported, Indore was cleaner on 379 of them; the average daily gap was 78 AQI points.
Seasonality & days
Indore peaks in November, while Purnia peaks in January. Indore logged 0% Severe days and 45.099999999999994% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Indore 65 days, Purnia 14 days.
Year-over-year progress
Indore has improved by 47 AQI points (35.9%) from 2019 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Indore reached AQI 359 at Maguda Nagar (IMC) on 2024-09-18; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Indore spans 6 CPCB stations with a 69-point spread (min 52, max 121); Purnia spans 1 stations with a 0-point spread (min 176, max 176).