Kārwār vs Salem
Side-by-side air quality comparison between Kārwār 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, Kārwār averaged an AQI of 55 while Salem averaged 68 — a 13-point (24%) gap, with Salem the more polluted and Kārwār the cleaner of the two. On 125 days when both cities reported, Kārwār was cleaner on 85 of them; the average daily gap was 26 AQI points.
Seasonality & days
Kārwār peaks in January, while Salem peaks in April. Kārwār logged 0% Severe days and 92.7% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Kārwār 34 days, Salem 17 days.
Year-over-year progress
Kārwār has improved by 72 AQI points (56.7%) from 2023 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Kārwār reached AQI 222 at KHB Colony (KSPCB) on 2023-12-21; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Kārwār spans 1 CPCB stations with a 0-point spread (min 58, max 58); Salem spans 1 stations with a 0-point spread (min 73, max 73).