Salem vs Tumkur
Side-by-side air quality comparison between Salem and Tumkur.
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, Salem averaged an AQI of 68 while Tumkur averaged 88 — a 20-point (29%) gap, with Tumkur the more polluted and Salem the cleaner of the two. On 253 days when both cities reported, Salem was cleaner on 200 of them; the average daily gap was 42 AQI points.
Seasonality & days
Salem peaks in April, while Tumkur peaks in December. Salem logged 0% Severe days and 87.1% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Salem 17 days, Tumkur 20 days.
Year-over-year progress
Salem has improved by 5 AQI points (6.8%) from 2022 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Salem reached AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Salem spans 1 CPCB stations with a 0-point spread (min 73, max 73); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).