Chennai vs Mysuru
Side-by-side air quality comparison between Chennai and Mysuru.
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 | Chennai | Mysuru |
|---|---|---|
| PM2.5(µg/m³) | 16.60 | 3.70 |
| PM10(µg/m³) | 18.20 | 4.00 |
| NO₂(µg/m³) | 16.20 | 6.70 |
| SO₂(µg/m³) | 9.00 | 2.00 |
| O₃(µg/m³) | 57.00 | 35.00 |
| CO(µg/m³) | 350.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chennai averaged an AQI of 68 while Mysuru averaged 49 — a 19-point (39%) gap, with Chennai the more polluted and Mysuru the cleaner of the two. On 1401 days when both cities reported, Mysuru was cleaner on 1307 of them; the average daily gap was 55 AQI points.
Seasonality & days
Chennai peaks in December, while Mysuru peaks in February. Chennai logged 0% Severe days and 57.5% Good-or-Satisfactory days; Mysuru was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Mysuru 335 days.
Year-over-year progress
Chennai has improved by 25 AQI points (26.9%) from 2017 to 2024; Mysuru has improved by 5 AQI points (9.3%) over the same window. The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Mysuru hit AQI 217 at Hebbal 1st Stage (KSPCB) on 2019-10-15.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Mysuru spans 1 stations with a 0-point spread (min 51, max 51).
Verdict
🏆 Mysuru has better air quality with an AQI of 6 compared to Chennai's 28.