Bidar vs Tumkur
Side-by-side air quality comparison between Bidar 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, Bidar averaged an AQI of 85 while Tumkur averaged 88 — a 3-point (4%) gap, with Tumkur the more polluted and Bidar the cleaner of the two. On 352 days when both cities reported, Bidar was cleaner on 239 of them; the average daily gap was 44 AQI points.
Seasonality & days
Bidar peaks in January, while Tumkur peaks in December. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Tumkur 20 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).