Bettiah vs Puducherry
Side-by-side air quality comparison between Bettiah 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 | Bettiah | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 42.80 | 21.20 |
| PM10(µg/m³) | 67.30 | 27.00 |
| NO₂(µg/m³) | 0.80 | 3.80 |
| SO₂(µg/m³) | 6.50 | 12.20 |
| O₃(µg/m³) | 190.00 | 143.00 |
| CO(µg/m³) | 265.00 | 170.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Puducherry averaged 55 — a 72-point (131%) gap, with Bettiah the more polluted and Puducherry the cleaner of the two. On 772 days when both cities reported, Puducherry was cleaner on 712 of them; the average daily gap was 119 AQI points.
Seasonality & days
Bettiah peaks in November, while Puducherry peaks in December. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Puducherry 117 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); 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 Bettiah's 72.