Hajipur vs Prayagraj
Side-by-side air quality comparison between Hajipur and Prayagraj.
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 | Hajipur | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 97.80 | 61.00 |
| PM10(µg/m³) | 109.40 | 73.80 |
| NO₂(µg/m³) | 40.50 | 45.90 |
| SO₂(µg/m³) | 18.90 | 15.60 |
| O₃(µg/m³) | 52.00 | 36.00 |
| CO(µg/m³) | 725.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hajipur averaged an AQI of 173 while Prayagraj averaged 80 — a 93-point (116%) gap, with Hajipur the more polluted and Prayagraj the cleaner of the two. On 870 days when both cities reported, Prayagraj was cleaner on 588 of them; the average daily gap was 64 AQI points.
Seasonality & days
Hajipur peaks in December, while Prayagraj peaks in November. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Prayagraj 69 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Prayagraj has better air quality with an AQI of 104 compared to Hajipur's 227. That's a significant difference of 123 points.