Motihari vs Puducherry
Side-by-side air quality comparison between Motihari and Puducherry.
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 | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 54.80 | 21.20 |
| PM10(µg/m³) | 83.80 | 27.00 |
| NO₂(µg/m³) | 0.40 | 3.80 |
| SO₂(µg/m³) | 8.50 | 12.20 |
| O₃(µg/m³) | 211.00 | 143.00 |
| CO(µg/m³) | 264.00 | 170.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Motihari averaged an AQI of 116 while Puducherry averaged 55 — a 61-point (111%) gap, with Motihari the more polluted and Puducherry the cleaner of the two. On 918 days when both cities reported, Puducherry was cleaner on 809 of them; the average daily gap was 100 AQI points.
Seasonality & days
Motihari peaks in November, while Puducherry peaks in December. Motihari logged 1.2% Severe days and 39.1% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Puducherry 117 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Puducherry has better air quality with an AQI of 35 compared to Motihari's 92. That's a significant difference of 57 points.