Alwar vs Madurai
Side-by-side air quality comparison between Alwar 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 | Alwar | Madurai |
|---|---|---|
| PM2.5(µg/m³) | 58.40 | 13.80 |
| PM10(µg/m³) | 169.00 | 15.10 |
| NO₂(µg/m³) | 17.10 | 23.60 |
| SO₂(µg/m³) | 7.70 | 4.70 |
| O₃(µg/m³) | 58.00 | 10.00 |
| CO(µg/m³) | 391.00 | 205.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Madurai averaged 48 — a 40-point (83%) gap, with Alwar the more polluted and Madurai the cleaner of the two. On 75 days when both cities reported, Madurai was cleaner on 73 of them; the average daily gap was 57 AQI points.
Seasonality & days
Alwar peaks in November, while Madurai peaks in December. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Madurai was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Madurai 17 days.
Year-over-year progress
The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Madurai hit AQI 105 at Uchapatti (TNPCB) on 2024-11-26.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Madurai spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Madurai has better air quality with an AQI of 23 compared to Alwar's 147. That's a significant difference of 124 points.