Khanna vs Salem
Side-by-side air quality comparison between Khanna 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, Khanna averaged an AQI of 102 while Salem averaged 68 — a 34-point (50%) gap, with Khanna the more polluted and Salem the cleaner of the two. On 331 days when both cities reported, Salem was cleaner on 248 of them; the average daily gap was 44 AQI points.
Seasonality & days
Khanna peaks in November, while Salem peaks in April. Khanna logged 0% Severe days and 61.599999999999994% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Khanna 60 days, Salem 17 days.
Year-over-year progress
Khanna has worsened by 4 AQI points (4.1%) from 2023 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Khanna reached AQI 297 at Kalal Majra (PPCB) on 2023-11-09; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Khanna spans 1 CPCB stations with a 0-point spread (min 100, max 100); Salem spans 1 stations with a 0-point spread (min 73, max 73).