Hajipur vs Sasaram
Side-by-side air quality comparison between Hajipur and Sasaram.
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 | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 66.80 |
| PM10(µg/m³) | 111.80 | 78.90 |
| NO₂(µg/m³) | 49.30 | 22.70 |
| SO₂(µg/m³) | 18.10 | 14.20 |
| O₃(µg/m³) | 19.00 | 77.00 |
| CO(µg/m³) | 784.00 | 666.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hajipur averaged an AQI of 173 while Sasaram averaged 109 — a 64-point (59%) gap, with Hajipur the more polluted and Sasaram the cleaner of the two. On 893 days when both cities reported, Sasaram was cleaner on 584 of them; the average daily gap was 72 AQI points.
Seasonality & days
Hajipur peaks in December, while Sasaram peaks in January. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Sasaram 27 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Sasaram has better air quality with an AQI of 123 compared to Hajipur's 231. That's a significant difference of 108 points.