Hosur vs Katihar
Side-by-side air quality comparison between Hosur 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 2022, Hosur averaged an AQI of 90 while Katihar averaged 123 — a 33-point (37%) gap, with Katihar the more polluted and Hosur the cleaner of the two. On 86 days when both cities reported, Hosur was cleaner on 81 of them; the average daily gap was 175 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Katihar 19 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Katihar spans 1 stations with a 0-point spread (min 185, max 185).