Alwar vs Katihar
Side-by-side air quality comparison between Alwar 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, Alwar averaged an AQI of 88 while Katihar averaged 123 — a 35-point (40%) gap, with Katihar the more polluted and Alwar the cleaner of the two. On 962 days when both cities reported, Alwar was cleaner on 792 of them; the average daily gap was 102 AQI points.
Seasonality & days
Alwar peaks in November, while Katihar peaks in December. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Katihar 19 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Katihar has improved by 188 AQI points (60.5%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Katihar spans 1 stations with a 0-point spread (min 185, max 185).