Faridabad vs Salem
Side-by-side air quality comparison between Faridabad 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, Faridabad averaged an AQI of 181 while Salem averaged 68 — a 113-point (166%) gap, with Faridabad the more polluted and Salem the cleaner of the two. On 391 days when both cities reported, Salem was cleaner on 377 of them; the average daily gap was 173 AQI points.
Seasonality & days
Faridabad peaks in November, while Salem peaks in April. Faridabad logged 6.9% Severe days and 15.7% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Faridabad 19 days, Salem 17 days.
Year-over-year progress
Faridabad has improved by 42 AQI points (18.8%) from 2016 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Faridabad reached AQI 500 at New Industrial Town (HSPCB) on 2024-05-10; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Faridabad spans 4 CPCB stations with a 25-point spread (min 184, max 209); Salem spans 1 stations with a 0-point spread (min 73, max 73).