Karur vs Visakhapatnam
Side-by-side air quality comparison between Karur and Visakhapatnam.
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 | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 2.30 | 33.50 |
| PM10(µg/m³) | 2.90 | 38.90 |
| NO₂(µg/m³) | 1.20 | 6.30 |
| SO₂(µg/m³) | 1.30 | 32.40 |
| O₃(µg/m³) | 81.00 | 187.00 |
| CO(µg/m³) | 120.00 | 362.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karur averaged an AQI of 71 while Visakhapatnam averaged 110 — a 39-point (55%) gap, with Visakhapatnam the more polluted and Karur the cleaner of the two. On 68 days when both cities reported, Karur was cleaner on 54 of them; the average daily gap was 62 AQI points.
Seasonality & days
Karur peaks in December, while Visakhapatnam peaks in January. Karur logged 0% Severe days and 80.3% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Karur 34 days, Visakhapatnam 27 days.
Year-over-year progress
The worst recorded day for Karur reached AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Karur spans 1 CPCB stations with a 0-point spread (min 71, max 71); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Karur has better air quality with an AQI of 4 compared to Visakhapatnam's 57. That's a significant difference of 53 points.