Kolār vs Madurai
Side-by-side air quality comparison between Kolār 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 | Kolār | Madurai |
|---|---|---|
| PM2.5(µg/m³) | 5.80 | 4.40 |
| PM10(µg/m³) | 10.80 | 5.20 |
| NO₂(µg/m³) | 1.40 | 1.40 |
| SO₂(µg/m³) | 2.00 | 2.00 |
| O₃(µg/m³) | 86.00 | 93.00 |
| CO(µg/m³) | 137.00 | 114.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolār averaged an AQI of 65 while Madurai averaged 48 — a 17-point (35%) gap, with Kolār the more polluted and Madurai the cleaner of the two. On 52 days when both cities reported, Madurai was cleaner on 31 of them; the average daily gap was 19 AQI points.
Seasonality & days
Kolār peaks in September, while Madurai peaks in December. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Madurai was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Madurai 17 days.
Year-over-year progress
The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Madurai hit AQI 105 at Uchapatti (TNPCB) on 2024-11-26.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Madurai spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Madurai has better air quality with an AQI of 7 compared to Kolār's 11.