Madurai vs Puducherry
Side-by-side air quality comparison between Madurai and Puducherry.
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 | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 15.50 | 16.40 |
| PM10(µg/m³) | 16.70 | 19.20 |
| NO₂(µg/m³) | 19.40 | 18.50 |
| SO₂(µg/m³) | 4.80 | 8.80 |
| O₃(µg/m³) | 20.00 | 37.00 |
| CO(µg/m³) | 212.00 | 394.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Madurai averaged an AQI of 48 while Puducherry averaged 55 — a 7-point (15%) gap, with Puducherry the more polluted and Madurai the cleaner of the two. On 73 days when both cities reported, Madurai was cleaner on 56 of them; the average daily gap was 25 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; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Madurai 17 days, Puducherry 117 days.
Year-over-year progress
The worst recorded day for Madurai reached AQI 105 at Uchapatti (TNPCB) on 2024-11-26; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Madurai spans 1 CPCB stations with a 0-point spread (min 48, max 48); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Madurai has better air quality with an AQI of 26 compared to Puducherry's 27.