Cuddalore vs Ulhasnagar
Side-by-side air quality comparison between Cuddalore and Ulhasnagar.
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 Ulhasnagar averaged 117 — a 65-point (125%) gap, with Ulhasnagar the more polluted and Cuddalore the cleaner of the two. On 307 days when both cities reported, Cuddalore was cleaner on 283 of them; the average daily gap was 64 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Ulhasnagar 74 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).