Coimbatore vs Madikeri
Side-by-side air quality comparison between Coimbatore and Madikeri.
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 | Coimbatore | Madikeri |
|---|---|---|
| PM2.5(µg/m³) | 2.70 | 1.80 |
| PM10(µg/m³) | 2.90 | 1.90 |
| NO₂(µg/m³) | 4.50 | 4.40 |
| SO₂(µg/m³) | 2.20 | 1.00 |
| O₃(µg/m³) | 43.00 | 36.00 |
| CO(µg/m³) | 159.00 | 116.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Coimbatore averaged an AQI of 66 while Madikeri averaged 35 — a 31-point (89%) gap, with Coimbatore the more polluted and Madikeri the cleaner of the two. On 614 days when both cities reported, Madikeri was cleaner on 515 of them; the average daily gap was 30 AQI points.
Seasonality & days
Coimbatore peaks in November, while Madikeri peaks in February. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Madikeri was 0% Severe and 98.8% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Madikeri 126 days.
Year-over-year progress
Coimbatore has improved by 5 AQI points (7%) from 2019 to 2024; Madikeri has improved by 26 AQI points (42.6%) over the same window. The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Madikeri hit AQI 163 at Stuart Hill (KSPCB) on 2020-12-27.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Madikeri spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
🏆 Madikeri has better air quality with an AQI of 3 compared to Coimbatore's 5.