Bulandshahr vs Darbhanga
Side-by-side air quality comparison between Bulandshahr 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 | Bulandshahr | Darbhanga |
|---|---|---|
| PM2.5(µg/m³) | 71.00 | 114.10 |
| PM10(µg/m³) | 110.10 | 129.90 |
| NO₂(µg/m³) | 35.60 | 56.30 |
| SO₂(µg/m³) | 9.70 | 18.30 |
| O₃(µg/m³) | 39.00 | 16.00 |
| CO(µg/m³) | 517.00 | 816.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Darbhanga averaged 365 — a 223-point (157%) gap, with Darbhanga the more polluted and Bulandshahr the cleaner of the two. On 408 days when both cities reported, Bulandshahr was cleaner on 221 of them; the average daily gap was 77 AQI points.
Seasonality & days
Bulandshahr peaks in November, while Darbhanga peaks in December. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Darbhanga was 7.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Darbhanga 20 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Darbhanga has worsened by 116 AQI points (46.6%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Darbhanga hit AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Darbhanga spans 1 stations with a 0-point spread (min 208, max 208).
Verdict
🏆 Bulandshahr has better air quality with an AQI of 137 compared to Darbhanga's 281. That's a significant difference of 144 points.