Bettiah vs Darbhanga
Side-by-side air quality comparison between Bettiah and Darbhanga.
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 | Darbhanga |
|---|---|---|
| PM2.5(µg/m³) | 42.80 | 74.50 |
| PM10(µg/m³) | 67.30 | 97.60 |
| NO₂(µg/m³) | 0.80 | 1.90 |
| SO₂(µg/m³) | 6.50 | 17.90 |
| O₃(µg/m³) | 190.00 | 237.00 |
| CO(µg/m³) | 265.00 | 310.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Darbhanga averaged 365 — a 238-point (187%) gap, with Darbhanga the more polluted and Bettiah the cleaner of the two. On 282 days when both cities reported, Bettiah was cleaner on 157 of them; the average daily gap was 50 AQI points.
Seasonality & days
Bettiah peaks in November, while Darbhanga peaks in December. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Darbhanga was 7.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Darbhanga 20 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Darbhanga has worsened by 116 AQI points (46.6%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Darbhanga hit AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Darbhanga spans 1 stations with a 0-point spread (min 208, max 208).
Verdict
🏆 Bettiah has better air quality with an AQI of 72 compared to Darbhanga's 149. That's a significant difference of 77 points.