Ariyalur vs Madurai
Side-by-side air quality comparison between Ariyalur and Madurai.
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 | Ariyalur | Madurai |
|---|---|---|
| PM2.5(µg/m³) | 7.50 | 13.70 |
| PM10(µg/m³) | 9.90 | 15.40 |
| NO₂(µg/m³) | 8.40 | 23.90 |
| SO₂(µg/m³) | 5.00 | 4.60 |
| O₃(µg/m³) | 42.00 | 10.00 |
| CO(µg/m³) | 137.00 | 188.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Madurai averaged 48 — a 2-point (4%) gap, with Madurai the more polluted and Ariyalur the cleaner of the two. On 54 days when both cities reported, Madurai was cleaner on 31 of them; the average daily gap was 19 AQI points.
Seasonality & days
Ariyalur peaks in March, while Madurai peaks in December. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Madurai was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Madurai 17 days.
Year-over-year progress
The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Madurai hit AQI 105 at Uchapatti (TNPCB) on 2024-11-26.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Madurai spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Ariyalur has better air quality with an AQI of 13 compared to Madurai's 23.