Madurai vs Vellore
Side-by-side air quality comparison between Madurai 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 | Madurai | Vellore |
|---|---|---|
| PM2.5(µg/m³) | 4.40 | 5.50 |
| PM10(µg/m³) | 5.20 | 8.80 |
| NO₂(µg/m³) | 1.40 | 1.10 |
| SO₂(µg/m³) | 2.00 | 2.00 |
| O₃(µg/m³) | 93.00 | 96.00 |
| CO(µg/m³) | 114.00 | 158.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Madurai averaged an AQI of 48 while Vellore averaged 61 — a 13-point (27%) gap, with Vellore the more polluted and Madurai the cleaner of the two. On 54 days when both cities reported, Madurai was cleaner on 45 of them; the average daily gap was 33 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Madurai logged 0% Severe days and 98.7% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Madurai 17 days, Vellore 23 days.
Year-over-year progress
The worst recorded day for Madurai reached AQI 105 at Uchapatti (TNPCB) on 2024-11-26; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Madurai spans 1 CPCB stations with a 0-point spread (min 48, max 48); Vellore spans 1 stations with a 0-point spread (min 70, max 70).
Verdict
🏆 Madurai has better air quality with an AQI of 7 compared to Vellore's 9.