Bettiah vs Nayāgarh
Side-by-side air quality comparison between Bettiah and Nayāgarh.
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 | Nayāgarh |
|---|---|---|
| PM2.5(µg/m³) | 105.00 | 43.90 |
| PM10(µg/m³) | 116.60 | 48.80 |
| NO₂(µg/m³) | 41.60 | 10.80 |
| SO₂(µg/m³) | 13.00 | 8.30 |
| O₃(µg/m³) | 55.00 | 79.00 |
| CO(µg/m³) | 1389.00 | 439.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Nayāgarh averaged 98 — a 29-point (30%) gap, with Bettiah the more polluted and Nayāgarh the cleaner of the two. On 471 days when both cities reported, Nayāgarh was cleaner on 337 of them; the average daily gap was 82 AQI points.
Seasonality & days
Bettiah peaks in November, while Nayāgarh peaks in April. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Nayāgarh was 0% Severe and 47.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Nayāgarh 52 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Nayāgarh has improved by 48 AQI points (32.9%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Nayāgarh hit AQI 336 at Dabuna (OSPCB) on 2023-03-13.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Nayāgarh spans 1 stations with a 0-point spread (min 116, max 116).
Verdict
🏆 Nayāgarh has better air quality with an AQI of 74 compared to Bettiah's 251. That's a significant difference of 177 points.