Hapur vs Sasaram
Side-by-side air quality comparison between Hapur 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 | Hapur | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 85.70 |
| PM10(µg/m³) | 97.30 | 96.90 |
| NO₂(µg/m³) | 36.60 | 33.60 |
| SO₂(µg/m³) | 11.50 | 12.90 |
| O₃(µg/m³) | 36.00 | 52.00 |
| CO(µg/m³) | 589.00 | 638.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hapur averaged an AQI of 142 while Sasaram averaged 109 — a 33-point (30%) gap, with Hapur the more polluted and Sasaram the cleaner of the two. On 891 days when both cities reported, Sasaram was cleaner on 495 of them; the average daily gap was 77 AQI points.
Seasonality & days
Hapur peaks in November, while Sasaram peaks in January. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Sasaram 27 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Hapur has better air quality with an AQI of 140 compared to Sasaram's 186.