Kolār vs Rourkela
Side-by-side air quality comparison between Kolār and Rourkela.
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 Rourkela averaged 115 — a 50-point (77%) gap, with Rourkela the more polluted and Kolār the cleaner of the two. On 262 days when both cities reported, Kolār was cleaner on 238 of them; the average daily gap was 82 AQI points.
Seasonality & days
Kolār peaks in September, while Rourkela peaks in November. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Rourkela was 0% Severe and 32.9% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Rourkela 60 days.
Year-over-year progress
Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Rourkela has improved by 112 AQI points (49.3%) over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Rourkela hit AQI 344 at Raghunathpali (OSPCB) on 2024-01-01.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Rourkela spans 3 stations with a 29-point spread (min 106, max 135).