Pratapgarh vs Salem
Side-by-side air quality comparison between Pratapgarh 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, Pratapgarh averaged an AQI of 93 while Salem averaged 68 — a 25-point (37%) gap, with Pratapgarh the more polluted and Salem the cleaner of the two. On 291 days when both cities reported, Salem was cleaner on 214 of them; the average daily gap was 40 AQI points.
Seasonality & days
Pratapgarh peaks in November, while Salem peaks in April. Pratapgarh logged 0% Severe days and 59.9% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Pratapgarh 49 days, Salem 17 days.
Year-over-year progress
Pratapgarh has improved by 10 AQI points (9.7%) from 2023 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Pratapgarh reached AQI 314 at Pragati Nagar (RSPCB) on 2023-12-25; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Pratapgarh spans 1 CPCB stations with a 0-point spread (min 97, max 97); Salem spans 1 stations with a 0-point spread (min 73, max 73).