Motihari vs Ulhasnagar
Side-by-side air quality comparison between Motihari and Ulhasnagar.
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 | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 152.70 | 23.70 |
| PM10(µg/m³) | 170.90 | 40.90 |
| NO₂(µg/m³) | 59.80 | 20.60 |
| SO₂(µg/m³) | 22.90 | 23.00 |
| O₃(µg/m³) | 45.00 | 23.00 |
| CO(µg/m³) | 1174.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Motihari averaged an AQI of 116 while Ulhasnagar averaged 117 — a 1-point (1%) gap, with Ulhasnagar the more polluted and Motihari the cleaner of the two. On 402 days when both cities reported, Motihari was cleaner on 232 of them; the average daily gap was 50 AQI points.
Seasonality & days
Motihari peaks in November, while Ulhasnagar peaks in January. Motihari logged 1.2% Severe days and 39.1% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Ulhasnagar 74 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Ulhasnagar has better air quality with an AQI of 41 compared to Motihari's 326. That's a significant difference of 285 points.