Bettiah vs Madurai
Side-by-side air quality comparison between Bettiah 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 | Bettiah | Madurai |
|---|---|---|
| PM2.5(µg/m³) | 105.00 | 15.50 |
| PM10(µg/m³) | 116.60 | 16.70 |
| NO₂(µg/m³) | 41.60 | 19.40 |
| SO₂(µg/m³) | 13.00 | 4.80 |
| O₃(µg/m³) | 55.00 | 20.00 |
| CO(µg/m³) | 1389.00 | 212.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Madurai averaged 48 — a 79-point (165%) gap, with Bettiah the more polluted and Madurai the cleaner of the two. On 57 days when both cities reported, Madurai was cleaner on 57 of them; the average daily gap was 113 AQI points.
Seasonality & days
Bettiah peaks in November, while Madurai peaks in December. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Madurai was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Madurai 17 days.
Year-over-year progress
The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Madurai hit AQI 105 at Uchapatti (TNPCB) on 2024-11-26.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); 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 Bettiah's 251. That's a significant difference of 225 points.