Koppal vs Vellore
Side-by-side air quality comparison between Koppal and Vellore.
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 | Koppal | Vellore |
|---|---|---|
| PM2.5(µg/m³) | 5.90 | 7.00 |
| PM10(µg/m³) | 9.10 | 8.40 |
| NO₂(µg/m³) | 6.10 | 8.50 |
| SO₂(µg/m³) | 1.30 | 4.30 |
| O₃(µg/m³) | 38.00 | 44.00 |
| CO(µg/m³) | 124.00 | 141.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Koppal averaged an AQI of 65 while Vellore averaged 61 — a 4-point (7%) gap, with Koppal the more polluted and Vellore the cleaner of the two. On 267 days when both cities reported, Vellore was cleaner on 142 of them; the average daily gap was 27 AQI points.
Seasonality & days
Koppal peaks in February, while Vellore peaks in December. Koppal logged 0% Severe days and 85.5% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Koppal 47 days, Vellore 23 days.
Year-over-year progress
Koppal has improved by 31 AQI points (32.3%) from 2020 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Koppal reached AQI 384 at Diwator Nagar (KSPCB) on 2023-02-16; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Koppal spans 1 CPCB stations with a 0-point spread (min 70, max 70); Vellore spans 1 stations with a 0-point spread (min 70, max 70).
Verdict
🏆 Koppal has better air quality with an AQI of 10 compared to Vellore's 12.