Ambala vs Darbhanga
Side-by-side air quality comparison between Ambala 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 | Ambala | Darbhanga |
|---|---|---|
| PM2.5(µg/m³) | 56.10 | 69.60 |
| PM10(µg/m³) | 189.10 | 94.80 |
| NO₂(µg/m³) | 1.50 | 1.20 |
| SO₂(µg/m³) | 13.40 | 14.50 |
| O₃(µg/m³) | 203.00 | 225.00 |
| CO(µg/m³) | 353.00 | 284.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ambala averaged an AQI of 94 while Darbhanga averaged 365 — a 271-point (288%) gap, with Darbhanga the more polluted and Ambala the cleaner of the two. On 376 days when both cities reported, Ambala was cleaner on 241 of them; the average daily gap was 93 AQI points.
Seasonality & days
Ambala peaks in November, while Darbhanga peaks in December. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Darbhanga was 7.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Darbhanga 20 days.
Year-over-year progress
Ambala has improved by 52 AQI points (35.6%) from 2019 to 2024; Darbhanga has worsened by 116 AQI points (46.6%) over the same window. The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Darbhanga hit AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); Darbhanga spans 1 stations with a 0-point spread (min 208, max 208).
Verdict
🏆 Darbhanga has better air quality with an AQI of 133 compared to Ambala's 160.