Bettiah vs Tumkur
Side-by-side air quality comparison between Bettiah 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, Bettiah averaged an AQI of 127 while Tumkur averaged 88 — a 39-point (44%) gap, with Bettiah the more polluted and Tumkur the cleaner of the two. On 368 days when both cities reported, Tumkur was cleaner on 268 of them; the average daily gap was 72 AQI points.
Seasonality & days
Bettiah peaks in November, while Tumkur peaks in December. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Tumkur 20 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).