Katni vs Salem
Side-by-side air quality comparison between Katni 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katni averaged an AQI of 105 while Salem averaged 68 — a 37-point (54%) gap, with Katni the more polluted and Salem the cleaner of the two. On 353 days when both cities reported, Salem was cleaner on 291 of them; the average daily gap was 67 AQI points.
Seasonality & days
Katni peaks in November, while Salem peaks in April. Katni logged 0% Severe days and 39.3% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Katni 62 days, Salem 17 days.
Year-over-year progress
Katni has improved by 93 AQI points (47%) from 2019 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Katni reached AQI 350 at Gole Bazar (MPPCB) on 2019-11-01; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Katni spans 1 CPCB stations with a 0-point spread (min 137, max 137); Salem spans 1 stations with a 0-point spread (min 73, max 73).