Begusarai vs Puducherry
Side-by-side air quality comparison between Begusarai 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 | Begusarai | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 93.40 | 16.40 |
| PM10(µg/m³) | 103.60 | 19.20 |
| NO₂(µg/m³) | 41.50 | 18.50 |
| SO₂(µg/m³) | 17.90 | 8.80 |
| O₃(µg/m³) | 64.00 | 37.00 |
| CO(µg/m³) | 637.00 | 394.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Puducherry averaged 55 — a 73-point (133%) gap, with Begusarai the more polluted and Puducherry the cleaner of the two. On 335 days when both cities reported, Puducherry was cleaner on 310 of them; the average daily gap was 156 AQI points.
Seasonality & days
Begusarai peaks in January, while Puducherry peaks in December. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Puducherry 117 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Puducherry has better air quality with an AQI of 27 compared to Begusarai's 212. That's a significant difference of 185 points.