Darbhanga vs Perundurai
Side-by-side air quality comparison between Darbhanga and Perundurai.
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 | Darbhanga | Perundurai |
|---|---|---|
| PM2.5(µg/m³) | 114.10 | 6.80 |
| PM10(µg/m³) | 129.90 | 8.00 |
| NO₂(µg/m³) | 56.30 | 11.30 |
| SO₂(µg/m³) | 18.30 | 3.20 |
| O₃(µg/m³) | 16.00 | 32.00 |
| CO(µg/m³) | 816.00 | 159.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Perundurai averaged 75 — a 290-point (387%) gap, with Darbhanga the more polluted and Perundurai the cleaner of the two.
Seasonality & days
Darbhanga peaks in December, while Perundurai peaks in November. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Perundurai has better air quality with an AQI of 11 compared to Darbhanga's 281. That's a significant difference of 270 points.