Thiruvananthapuram vs Tumkur
Side-by-side air quality comparison between Thiruvananthapuram 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, Thiruvananthapuram averaged an AQI of 56 while Tumkur averaged 88 — a 32-point (57%) gap, with Tumkur the more polluted and Thiruvananthapuram the cleaner of the two. On 312 days when both cities reported, Thiruvananthapuram was cleaner on 218 of them; the average daily gap was 44 AQI points.
Seasonality & days
Thiruvananthapuram peaks in January, while Tumkur peaks in December. Thiruvananthapuram logged 0% Severe days and 92% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Thiruvananthapuram 172 days, Tumkur 20 days.
Year-over-year progress
Thiruvananthapuram has improved by 11 AQI points (16.4%) from 2017 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Thiruvananthapuram reached AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Thiruvananthapuram spans 2 CPCB stations with a 7-point spread (min 57, max 64); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).