Motihari vs Sasaram
Side-by-side air quality comparison between Motihari 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 | Motihari | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 156.00 | 85.70 |
| PM10(µg/m³) | 175.10 | 96.90 |
| NO₂(µg/m³) | 76.90 | 33.60 |
| SO₂(µg/m³) | 22.40 | 12.90 |
| O₃(µg/m³) | 0.00 | 52.00 |
| CO(µg/m³) | 1456.00 | 638.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Motihari averaged an AQI of 116 while Sasaram averaged 109 — a 7-point (6%) gap, with Motihari the more polluted and Sasaram the cleaner of the two. On 778 days when both cities reported, Sasaram was cleaner on 421 of them; the average daily gap was 60 AQI points.
Seasonality & days
Motihari peaks in November, while Sasaram peaks in January. Motihari logged 1.2% Severe days and 39.1% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Sasaram 27 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Sasaram has better air quality with an AQI of 186 compared to Motihari's 328. That's a significant difference of 142 points.