Karur vs Surat
Side-by-side air quality comparison between Karur and Surat.
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 Surat averaged 83 — a 12-point (17%) gap, with Surat the more polluted and Karur the cleaner of the two. On 50 days when both cities reported, Karur was cleaner on 36 of them; the average daily gap was 96 AQI points.
Seasonality & days
Karur peaks in December, while Surat peaks in November. Karur logged 0% Severe days and 80.3% Good-or-Satisfactory days; Surat was 0% Severe and 55.9% Good-or-Satisfactory. Longest clean-air streaks: Karur 34 days, Surat 55 days.
Year-over-year progress
The worst recorded day for Karur reached AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26; Surat hit AQI 384 at Science Center (SMC) on 2023-08-19.
Station-level disparity
Karur spans 1 CPCB stations with a 0-point spread (min 71, max 71); Surat spans 1 stations with a 0-point spread (min 123, max 123).