Chandigarh vs Darbhanga
Side-by-side air quality comparison between Chandigarh 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 | Chandigarh | Darbhanga |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 111.50 |
| PM10(µg/m³) | 63.60 | 122.90 |
| NO₂(µg/m³) | 30.10 | 42.70 |
| SO₂(µg/m³) | 10.30 | 18.40 |
| O₃(µg/m³) | 64.00 | 61.00 |
| CO(µg/m³) | 602.00 | 767.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Darbhanga averaged 365 — a 212-point (139%) gap, with Darbhanga the more polluted and Chandigarh the cleaner of the two. On 409 days when both cities reported, Chandigarh was cleaner on 252 of them; the average daily gap was 80 AQI points.
Seasonality & days
Chandigarh peaks in January, while Darbhanga peaks in December. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Darbhanga was 7.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Darbhanga 20 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Darbhanga has worsened by 116 AQI points (46.6%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Darbhanga hit AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Darbhanga spans 1 stations with a 0-point spread (min 208, max 208).
Verdict
🏆 Chandigarh has better air quality with an AQI of 78 compared to Darbhanga's 272. That's a significant difference of 194 points.