Motihari vs Sirohi
Side-by-side air quality comparison between Motihari and Sirohi.
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 | Sirohi |
|---|---|---|
| PM2.5(µg/m³) | 156.00 | 19.30 |
| PM10(µg/m³) | 175.10 | 32.00 |
| NO₂(µg/m³) | 76.90 | 5.80 |
| SO₂(µg/m³) | 22.40 | 2.70 |
| O₃(µg/m³) | 0.00 | 52.00 |
| CO(µg/m³) | 1456.00 | 143.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Motihari averaged an AQI of 116 while Sirohi averaged 89 — a 27-point (30%) gap, with Motihari the more polluted and Sirohi the cleaner of the two. On 466 days when both cities reported, Sirohi was cleaner on 317 of them; the average daily gap was 57 AQI points.
Seasonality & days
Motihari peaks in November, while Sirohi peaks in December. Motihari logged 1.2% Severe days and 39.1% Good-or-Satisfactory days; Sirohi was 0% Severe and 69.2% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Sirohi 41 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Sirohi has improved by 4 AQI points (4.3%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Sirohi hit AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); Sirohi spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Sirohi has better air quality with an AQI of 32 compared to Motihari's 328. That's a significant difference of 296 points.