Motihari vs Sagar
Side-by-side air quality comparison between Motihari and Sagar.
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 | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 152.70 | 24.90 |
| PM10(µg/m³) | 170.90 | 41.00 |
| NO₂(µg/m³) | 59.80 | 11.80 |
| SO₂(µg/m³) | 22.90 | 4.10 |
| O₃(µg/m³) | 45.00 | 61.00 |
| CO(µg/m³) | 1174.00 | 211.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Motihari averaged an AQI of 116 while Sagar averaged 96 — a 20-point (21%) gap, with Motihari the more polluted and Sagar the cleaner of the two. On 606 days when both cities reported, Sagar was cleaner on 399 of them; the average daily gap was 84 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Motihari logged 1.2% Severe days and 39.1% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Sagar 57 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Sagar has better air quality with an AQI of 42 compared to Motihari's 326. That's a significant difference of 284 points.