Katihar vs Patiala
Side-by-side air quality comparison between Katihar and Patiala.
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, Katihar averaged an AQI of 123 while Patiala averaged 103 — a 20-point (19%) gap, with Katihar the more polluted and Patiala the cleaner of the two. On 968 days when both cities reported, Patiala was cleaner on 772 of them; the average daily gap was 95 AQI points.
Seasonality & days
Katihar peaks in December, while Patiala peaks in November. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Patiala was 0.1% Severe and 54.8% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Patiala 86 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Patiala has worsened by 8 AQI points (8.4%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Patiala hit AQI 415 at Model Town (PPCB) on 2019-11-03.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Patiala spans 1 stations with a 0-point spread (min 104, max 104).