Mysuru vs Salem
Side-by-side air quality comparison between Mysuru 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 | Mysuru | Salem |
|---|---|---|
| PM2.5(µg/m³) | 3.70 | 12.70 |
| PM10(µg/m³) | 4.00 | 15.90 |
| NO₂(µg/m³) | 6.70 | 17.00 |
| SO₂(µg/m³) | 2.00 | 7.00 |
| O₃(µg/m³) | 35.00 | 30.00 |
| CO(µg/m³) | 134.00 | 237.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Mysuru averaged an AQI of 49 while Salem averaged 68 — a 19-point (39%) gap, with Salem the more polluted and Mysuru the cleaner of the two. On 381 days when both cities reported, Mysuru was cleaner on 284 of them; the average daily gap was 26 AQI points.
Seasonality & days
Mysuru peaks in February, while Salem peaks in April. Mysuru logged 0% Severe days and 98.7% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Mysuru 335 days, Salem 17 days.
Year-over-year progress
Mysuru has improved by 5 AQI points (9.3%) from 2019 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Mysuru reached AQI 217 at Hebbal 1st Stage (KSPCB) on 2019-10-15; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Mysuru spans 1 CPCB stations with a 0-point spread (min 51, max 51); Salem spans 1 stations with a 0-point spread (min 73, max 73).
Verdict
🏆 Mysuru has better air quality with an AQI of 6 compared to Salem's 21.