Hassan vs Katihar
Side-by-side air quality comparison between Hassan and Katihar.
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, Hassan averaged an AQI of 60 while Katihar averaged 123 — a 63-point (105%) gap, with Katihar the more polluted and Hassan the cleaner of the two. On 705 days when both cities reported, Hassan was cleaner on 668 of them; the average daily gap was 132 AQI points.
Seasonality & days
Hassan peaks in March, while Katihar peaks in December. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Katihar 19 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Katihar has improved by 188 AQI points (60.5%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Katihar spans 1 stations with a 0-point spread (min 185, max 185).