Kolār vs Patna
Side-by-side air quality comparison between Kolār and Patna.
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, Kolār averaged an AQI of 65 while Patna averaged 172 — a 107-point (165%) gap, with Patna the more polluted and Kolār the cleaner of the two. On 1151 days when both cities reported, Kolār was cleaner on 1107 of them; the average daily gap was 171 AQI points.
Seasonality & days
Kolār peaks in September, while Patna peaks in December. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Patna 30 days.
Year-over-year progress
Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Patna spans 6 stations with a 39-point spread (min 154, max 193).