Bihar Sharif vs Kolār
Side-by-side air quality comparison between Bihar Sharif and Kolār.
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, Bihar Sharif averaged an AQI of 115 while Kolār averaged 65 — a 50-point (77%) gap, with Bihar Sharif the more polluted and Kolār the cleaner of the two. On 470 days when both cities reported, Kolār was cleaner on 346 of them; the average daily gap was 85 AQI points.
Seasonality & days
Bihar Sharif peaks in December, while Kolār peaks in September. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Kolār 17 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Kolār has improved by 56 AQI points (46.3%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Kolār spans 1 stations with a 0-point spread (min 71, max 71).