Pune vs Salem
Side-by-side air quality comparison between Pune 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, Pune averaged an AQI of 97 while Salem averaged 68 — a 29-point (43%) gap, with Pune the more polluted and Salem the cleaner of the two. On 161 days when both cities reported, Salem was cleaner on 152 of them; the average daily gap was 80 AQI points.
Seasonality & days
Pune peaks in November, while Salem peaks in April. Pune logged 0.1% Severe days and 44.8% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Pune 92 days, Salem 17 days.
Year-over-year progress
Pune has improved by 7 AQI points (6.7%) from 2017 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Pune reached AQI 435 at Alandi (IITM) on 2024-01-29; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Pune spans 12 CPCB stations with a 54-point spread (min 68, max 122); Salem spans 1 stations with a 0-point spread (min 73, max 73).