Būndi vs Chennai
Side-by-side air quality comparison between Būndi and Chennai.
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 Chennai averaged 68 — a 58-point (85%) gap, with Būndi the more polluted and Chennai the cleaner of the two. On 334 days when both cities reported, Chennai was cleaner on 210 of them; the average daily gap was 53 AQI points.
Seasonality & days
Būndi peaks in January, while Chennai peaks in December. Būndi logged 0% Severe days and 31% Good-or-Satisfactory days; Chennai was 0% Severe and 57.5% Good-or-Satisfactory. Longest clean-air streaks: Būndi 23 days, Chennai 53 days.
Year-over-year progress
Būndi has improved by 18 AQI points (12.5%) from 2023 to 2024; Chennai has improved by 25 AQI points (26.9%) over the same window. The worst recorded day for Būndi reached AQI 353 at New Colony (RSPCB) on 2023-12-25; Chennai hit AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14.
Station-level disparity
Būndi spans 1 CPCB stations with a 0-point spread (min 133, max 133); Chennai spans 9 stations with a 27-point spread (min 63, max 90).