Bāgalkot vs Chennai
Side-by-side air quality comparison between Bāgalkot 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Bāgalkot | Chennai |
|---|---|---|
| PM2.5(µg/m³) | 7.90 | 13.90 |
| PM10(µg/m³) | 14.90 | 15.30 |
| NO₂(µg/m³) | 6.20 | 15.00 |
| SO₂(µg/m³) | 1.70 | 9.10 |
| O₃(µg/m³) | 40.00 | 56.00 |
| CO(µg/m³) | 175.00 | 316.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bāgalkot averaged an AQI of 47 while Chennai averaged 68 — a 21-point (45%) gap, with Chennai the more polluted and Bāgalkot the cleaner of the two. On 1295 days when both cities reported, Bāgalkot was cleaner on 1203 of them; the average daily gap was 54 AQI points.
Seasonality & days
Bāgalkot peaks in January, while Chennai peaks in December. Bāgalkot logged 0% Severe days and 96.3% Good-or-Satisfactory days; Chennai was 0% Severe and 57.5% Good-or-Satisfactory. Longest clean-air streaks: Bāgalkot 109 days, Chennai 53 days.
Year-over-year progress
Bāgalkot has improved by 26 AQI points (35.6%) from 2020 to 2024; Chennai has improved by 25 AQI points (26.9%) over the same window. The worst recorded day for Bāgalkot reached AQI 242 at Vidayagiri (KSPCB) on 2020-11-01; Chennai hit AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14.
Station-level disparity
Bāgalkot spans 1 CPCB stations with a 0-point spread (min 50, max 50); Chennai spans 9 stations with a 27-point spread (min 63, max 90).
Verdict
🏆 Bāgalkot has better air quality with an AQI of 15 compared to Chennai's 23.