Bhilai vs Darbhanga
Side-by-side air quality comparison between Bhilai 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 | Bhilai | Darbhanga |
|---|---|---|
| PM2.5(µg/m³) | 46.40 | 100.60 |
| PM10(µg/m³) | 52.30 | 113.20 |
| NO₂(µg/m³) | 43.70 | 27.00 |
| SO₂(µg/m³) | 70.60 | 18.40 |
| O₃(µg/m³) | 42.00 | 114.00 |
| CO(µg/m³) | 675.00 | 651.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilai averaged an AQI of 73 while Darbhanga averaged 365 — a 292-point (400%) gap, with Darbhanga the more polluted and Bhilai the cleaner of the two. On 94 days when both cities reported, Bhilai was cleaner on 93 of them; the average daily gap was 201 AQI points.
Seasonality & days
Bhilai peaks in November, while Darbhanga peaks in December. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Darbhanga was 7.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Darbhanga 20 days.
Year-over-year progress
Bhilai has worsened by 8 AQI points (12.3%) from 2021 to 2024; Darbhanga has worsened by 116 AQI points (46.6%) over the same window. The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Darbhanga hit AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); Darbhanga spans 1 stations with a 0-point spread (min 208, max 208).
Verdict
🏆 Bhilai has better air quality with an AQI of 78 compared to Darbhanga's 236. That's a significant difference of 158 points.