Kolār vs Samastipur
Side-by-side air quality comparison between Kolār and Samastipur.
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 Samastipur averaged 134 — a 69-point (106%) gap, with Samastipur the more polluted and Kolār the cleaner of the two. On 412 days when both cities reported, Kolār was cleaner on 378 of them; the average daily gap was 102 AQI points.
Seasonality & days
Kolār peaks in September, while Samastipur peaks in January. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Samastipur 9 days.
Year-over-year progress
Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).