Hajipur vs Noida
Side-by-side air quality comparison between Hajipur and Noida.
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 | Noida |
|---|---|---|
| PM2.5(µg/m³) | 55.80 | 83.10 |
| PM10(µg/m³) | 82.70 | 422.80 |
| NO₂(µg/m³) | 0.80 | 2.80 |
| SO₂(µg/m³) | 8.90 | 16.20 |
| O₃(µg/m³) | 205.00 | 206.00 |
| CO(µg/m³) | 318.00 | 378.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hajipur averaged an AQI of 173 while Noida averaged 182 — a 9-point (5%) gap, with Noida the more polluted and Hajipur the cleaner of the two. On 1254 days when both cities reported, Hajipur was cleaner on 1008 of them; the average daily gap was 89 AQI points.
Seasonality & days
Hajipur peaks in December, while Noida peaks in November. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Noida was 8.9% Severe and 16.5% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Noida 14 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Noida has improved by 79 AQI points (30.3%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Noida hit AQI 500 at Sector-1 (UPPCB) on 2019-11-01.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Noida spans 4 stations with a 15-point spread (min 195, max 210).
Verdict
🏆 Hajipur has better air quality with an AQI of 93 compared to Noida's 391. That's a significant difference of 298 points.