Katihar vs Thanjavur
Side-by-side air quality comparison between Katihar and Thanjavur.
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 Thanjavur averaged 42 — a 81-point (193%) gap, with Katihar the more polluted and Thanjavur the cleaner of the two. On 59 days when both cities reported, Thanjavur was cleaner on 59 of them; the average daily gap was 139 AQI points.
Seasonality & days
Katihar peaks in December, while Thanjavur peaks in November. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).