Katihar vs Visakhapatnam
Side-by-side air quality comparison between Katihar and Visakhapatnam.
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 Visakhapatnam averaged 110 — a 13-point (12%) gap, with Katihar the more polluted and Visakhapatnam the cleaner of the two. On 909 days when both cities reported, Visakhapatnam was cleaner on 651 of them; the average daily gap was 88 AQI points.
Seasonality & days
Katihar peaks in December, while Visakhapatnam peaks in January. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Visakhapatnam 27 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Visakhapatnam has worsened by 15 AQI points (15.8%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).