Būndi vs Purnia
Side-by-side air quality comparison between Būndi 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, Būndi averaged an AQI of 126 while Purnia averaged 133 — a 7-point (6%) gap, with Purnia the more polluted and Būndi the cleaner of the two. On 425 days when both cities reported, Purnia was cleaner on 224 of them; the average daily gap was 58 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Būndi logged 0% Severe days and 31% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Būndi 23 days, Purnia 14 days.
Year-over-year progress
Būndi has improved by 18 AQI points (12.5%) from 2023 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Būndi reached AQI 353 at New Colony (RSPCB) on 2023-12-25; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Būndi spans 1 CPCB stations with a 0-point spread (min 133, max 133); Purnia spans 1 stations with a 0-point spread (min 176, max 176).