Chennai vs Koppal
Side-by-side air quality comparison between Chennai and Koppal.
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, Chennai averaged an AQI of 68 while Koppal averaged 65 — a 3-point (5%) gap, with Chennai the more polluted and Koppal the cleaner of the two. On 909 days when both cities reported, Koppal was cleaner on 723 of them; the average daily gap was 43 AQI points.
Seasonality & days
Chennai peaks in December, while Koppal peaks in February. Chennai logged 0% Severe days and 57.5% Good-or-Satisfactory days; Koppal was 0% Severe and 85.5% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Koppal 47 days.
Year-over-year progress
Chennai has improved by 25 AQI points (26.9%) from 2017 to 2024; Koppal has improved by 31 AQI points (32.3%) over the same window. The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Koppal hit AQI 384 at Diwator Nagar (KSPCB) on 2023-02-16.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Koppal spans 1 stations with a 0-point spread (min 70, max 70).