Karur vs Nārnaul
Side-by-side air quality comparison between Karur and Nārnaul.
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 Nārnaul averaged 94 — a 23-point (32%) gap, with Nārnaul the more polluted and Karur the cleaner of the two. On 53 days when both cities reported, Karur was cleaner on 52 of them; the average daily gap was 91 AQI points.
Seasonality & days
Karur peaks in December, while Nārnaul peaks in November. Karur logged 0% Severe days and 80.3% Good-or-Satisfactory days; Nārnaul was 0.1% Severe and 40.8% Good-or-Satisfactory. Longest clean-air streaks: Karur 34 days, Nārnaul 63 days.
Year-over-year progress
The worst recorded day for Karur reached AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26; Nārnaul hit AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16.
Station-level disparity
Karur spans 1 CPCB stations with a 0-point spread (min 71, max 71); Nārnaul spans 1 stations with a 0-point spread (min 130, max 130).