Darbhanga vs Sasaram
Side-by-side air quality comparison between Darbhanga and Sasaram.
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 | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 111.50 | 69.80 |
| PM10(µg/m³) | 122.90 | 80.30 |
| NO₂(µg/m³) | 42.70 | 15.10 |
| SO₂(µg/m³) | 18.40 | 14.40 |
| O₃(µg/m³) | 61.00 | 101.00 |
| CO(µg/m³) | 767.00 | 627.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Sasaram averaged 109 — a 256-point (235%) gap, with Darbhanga the more polluted and Sasaram the cleaner of the two. On 336 days when both cities reported, Sasaram was cleaner on 204 of them; the average daily gap was 68 AQI points.
Seasonality & days
Darbhanga peaks in December, while Sasaram peaks in January. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Sasaram 27 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Sasaram has better air quality with an AQI of 133 compared to Darbhanga's 272. That's a significant difference of 139 points.