Madikeri vs Salem
Side-by-side air quality comparison between Madikeri and Salem.
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 | Madikeri | Salem |
|---|---|---|
| PM2.5(µg/m³) | 1.80 | 13.70 |
| PM10(µg/m³) | 1.90 | 16.40 |
| NO₂(µg/m³) | 4.40 | 15.30 |
| SO₂(µg/m³) | 1.00 | 9.30 |
| O₃(µg/m³) | 36.00 | 37.00 |
| CO(µg/m³) | 116.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Madikeri averaged an AQI of 35 while Salem averaged 68 — a 33-point (94%) gap, with Salem the more polluted and Madikeri the cleaner of the two. On 375 days when both cities reported, Madikeri was cleaner on 344 of them; the average daily gap was 38 AQI points.
Seasonality & days
Madikeri peaks in February, while Salem peaks in April. Madikeri logged 0% Severe days and 98.8% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Madikeri 126 days, Salem 17 days.
Year-over-year progress
Madikeri has improved by 26 AQI points (42.6%) from 2020 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Madikeri reached AQI 163 at Stuart Hill (KSPCB) on 2020-12-27; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Madikeri spans 1 CPCB stations with a 0-point spread (min 42, max 42); Salem spans 1 stations with a 0-point spread (min 73, max 73).
Verdict
🏆 Madikeri has better air quality with an AQI of 3 compared to Salem's 23.