Cuddalore vs Hisar
Side-by-side air quality comparison between Cuddalore and Hisar.
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 Hisar averaged 136 — a 84-point (162%) gap, with Hisar the more polluted and Cuddalore the cleaner of the two. On 281 days when both cities reported, Cuddalore was cleaner on 262 of them; the average daily gap was 80 AQI points.
Seasonality & days
Cuddalore peaks in January, while Hisar peaks in November. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Hisar was 1.6% Severe and 29.700000000000003% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Hisar 34 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Hisar hit AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Hisar spans 1 stations with a 0-point spread (min 168, max 168).