Cuddalore vs Patna
Side-by-side air quality comparison between Cuddalore and Patna.
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, Cuddalore averaged an AQI of 52 while Patna averaged 172 — a 120-point (231%) gap, with Patna the more polluted and Cuddalore the cleaner of the two. On 319 days when both cities reported, Cuddalore was cleaner on 316 of them; the average daily gap was 172 AQI points.
Seasonality & days
Cuddalore peaks in January, while Patna peaks in December. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Patna 30 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Patna spans 6 stations with a 39-point spread (min 154, max 193).