Karur vs Ranipet
Side-by-side air quality comparison between Karur and Ranipet.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Karur | Ranipet |
|---|---|---|
| PM2.5(µg/m³) | 3.80 | 8.00 |
| PM10(µg/m³) | 4.40 | 10.00 |
| NO₂(µg/m³) | 7.30 | 11.40 |
| SO₂(µg/m³) | 2.70 | 4.50 |
| O₃(µg/m³) | 37.00 | 41.00 |
| CO(µg/m³) | 117.00 | 186.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karur averaged an AQI of 71 while Ranipet averaged 75 — a 4-point (6%) gap, with Ranipet the more polluted and Karur the cleaner of the two. On 58 days when both cities reported, Ranipet was cleaner on 29 of them; the average daily gap was 30 AQI points.
Seasonality & days
Karur peaks in December, while Ranipet peaks in November. Karur logged 0% Severe days and 80.3% Good-or-Satisfactory days; Ranipet was 0% Severe and 67.80000000000001% Good-or-Satisfactory. Longest clean-air streaks: Karur 34 days, Ranipet 10 days.
Year-over-year progress
The worst recorded day for Karur reached AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26; Ranipet hit AQI 224 at VOC Nagar SIPCOT (TNPCB) on 2024-12-17.
Station-level disparity
Karur spans 1 CPCB stations with a 0-point spread (min 71, max 71); Ranipet spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Karur has better air quality with an AQI of 6 compared to Ranipet's 13.