Motihari vs Nārnaul
Side-by-side air quality comparison between Motihari and Nārnaul.
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 | Nārnaul |
|---|---|---|
| PM2.5(µg/m³) | 152.70 | 45.40 |
| PM10(µg/m³) | 170.90 | 126.20 |
| NO₂(µg/m³) | 59.80 | 12.40 |
| SO₂(µg/m³) | 22.90 | 7.70 |
| O₃(µg/m³) | 45.00 | 86.00 |
| CO(µg/m³) | 1174.00 | 365.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Motihari averaged an AQI of 116 while Nārnaul averaged 94 — a 22-point (23%) gap, with Motihari the more polluted and Nārnaul the cleaner of the two. On 849 days when both cities reported, Nārnaul was cleaner on 538 of them; the average daily gap was 64 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; Nārnaul was 0.1% Severe and 40.8% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Nārnaul 63 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Nārnaul has improved by 37 AQI points (28.2%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Nārnaul hit AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); Nārnaul spans 1 stations with a 0-point spread (min 130, max 130).
Verdict
🏆 Nārnaul has better air quality with an AQI of 118 compared to Motihari's 326. That's a significant difference of 208 points.