Gaya vs Salem
Side-by-side air quality comparison between Gaya 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, Gaya averaged an AQI of 110 while Salem averaged 68 — a 42-point (62%) gap, with Gaya the more polluted and Salem the cleaner of the two. On 394 days when both cities reported, Salem was cleaner on 362 of them; the average daily gap was 123 AQI points.
Seasonality & days
Gaya peaks in January, while Salem peaks in April. Gaya logged 1.7% Severe days and 32% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Gaya 52 days, Salem 17 days.
Year-over-year progress
Gaya has improved by 89 AQI points (44.7%) from 2016 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Gaya reached AQI 500 at Collectorate (BSPCB) on 2016-10-15; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Gaya spans 3 CPCB stations with a 85-point spread (min 88, max 173); Salem spans 1 stations with a 0-point spread (min 73, max 73).