Delhi vs Hajipur
Side-by-side air quality comparison between Delhi and Hajipur.
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 | Delhi | Hajipur |
|---|---|---|
| PM2.5(µg/m³) | 78.20 | 99.00 |
| PM10(µg/m³) | 154.10 | 111.80 |
| NO₂(µg/m³) | 47.90 | 49.30 |
| SO₂(µg/m³) | 33.40 | 18.10 |
| O₃(µg/m³) | 43.00 | 19.00 |
| CO(µg/m³) | 545.00 | 784.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Hajipur averaged 173 — a 37-point (21%) gap, with Delhi the more polluted and Hajipur the cleaner of the two. On 1615 days when both cities reported, Hajipur was cleaner on 1567 of them; the average daily gap was 145 AQI points.
Seasonality & days
Delhi peaks in November, while Hajipur peaks in December. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Hajipur was 0.3% Severe and 36.6% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Hajipur 36 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Hajipur has worsened by 74 AQI points (74.7%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Hajipur hit AQI 427 at Industrial Area (BSPCB) on 2024-11-12.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Hajipur spans 1 stations with a 0-point spread (min 149, max 149).
Verdict
🏆 Delhi has better air quality with an AQI of 161 compared to Hajipur's 231. That's a significant difference of 70 points.