Chapra vs Darbhanga
Side-by-side air quality comparison between Chapra 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 | Chapra | Darbhanga |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 114.10 |
| PM10(µg/m³) | 115.50 | 129.90 |
| NO₂(µg/m³) | 53.70 | 56.30 |
| SO₂(µg/m³) | 13.70 | 18.30 |
| O₃(µg/m³) | 10.00 | 16.00 |
| CO(µg/m³) | 858.00 | 816.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Darbhanga averaged 365 — a 216-point (145%) gap, with Darbhanga the more polluted and Chapra the cleaner of the two. On 338 days when both cities reported, Darbhanga was cleaner on 213 of them; the average daily gap was 47 AQI points.
Seasonality & days
Chapra peaks in January, while Darbhanga peaks in December. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Darbhanga was 7.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Darbhanga 20 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Darbhanga has worsened by 116 AQI points (46.6%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Darbhanga hit AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Darbhanga spans 1 stations with a 0-point spread (min 208, max 208).
Verdict
🏆 Chapra has better air quality with an AQI of 231 compared to Darbhanga's 281.