Bettiah vs Patna
Side-by-side air quality comparison between Bettiah and Patna.
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 | Patna |
|---|---|---|
| PM2.5(µg/m³) | 105.00 | 99.00 |
| PM10(µg/m³) | 120.60 | 111.80 |
| NO₂(µg/m³) | 51.70 | 49.30 |
| SO₂(µg/m³) | 12.10 | 18.10 |
| O₃(µg/m³) | 14.00 | 19.00 |
| CO(µg/m³) | 1646.00 | 704.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Patna averaged 172 — a 45-point (35%) gap, with Patna the more polluted and Bettiah the cleaner of the two. On 810 days when both cities reported, Bettiah was cleaner on 692 of them; the average daily gap was 95 AQI points.
Seasonality & days
Bettiah peaks in November, while Patna peaks in December. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Patna 30 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Patna spans 6 stations with a 39-point spread (min 154, max 193).
Verdict
🏆 Patna has better air quality with an AQI of 231 compared to Bettiah's 251.