Chapra vs Madurai
Side-by-side air quality comparison between Chapra 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 | Chapra | Madurai |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 15.50 |
| PM10(µg/m³) | 117.10 | 16.70 |
| NO₂(µg/m³) | 42.70 | 19.40 |
| SO₂(µg/m³) | 15.30 | 4.80 |
| O₃(µg/m³) | 46.00 | 20.00 |
| CO(µg/m³) | 805.00 | 212.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Madurai averaged 48 — a 101-point (210%) gap, with Chapra the more polluted and Madurai the cleaner of the two. On 59 days when both cities reported, Madurai was cleaner on 59 of them; the average daily gap was 108 AQI points.
Seasonality & days
Chapra peaks in January, while Madurai peaks in December. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Madurai was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Madurai 17 days.
Year-over-year progress
The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Madurai hit AQI 105 at Uchapatti (TNPCB) on 2024-11-26.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Madurai spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Madurai has better air quality with an AQI of 26 compared to Chapra's 244. That's a significant difference of 218 points.