Karur vs Puducherry
Side-by-side air quality comparison between Karur and Puducherry.
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, Karur averaged an AQI of 71 while Puducherry averaged 55 — a 16-point (29%) gap, with Karur the more polluted and Puducherry the cleaner of the two. On 68 days when both cities reported, Puducherry was cleaner on 39 of them; the average daily gap was 22 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Karur logged 0% Severe days and 80.3% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Karur 34 days, Puducherry 117 days.
Year-over-year progress
The worst recorded day for Karur reached AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Karur spans 1 CPCB stations with a 0-point spread (min 71, max 71); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).