Bettiah vs Nārnaul
Side-by-side air quality comparison between Bettiah and Nārnaul.
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 | Nārnaul |
|---|---|---|
| PM2.5(µg/m³) | 99.70 | 45.80 |
| PM10(µg/m³) | 113.90 | 120.10 |
| NO₂(µg/m³) | 54.20 | 21.00 |
| SO₂(µg/m³) | 11.70 | 7.10 |
| O₃(µg/m³) | 4.00 | 63.00 |
| CO(µg/m³) | 1655.00 | 386.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Nārnaul averaged 94 — a 33-point (35%) gap, with Bettiah the more polluted and Nārnaul the cleaner of the two. On 706 days when both cities reported, Nārnaul was cleaner on 488 of them; the average daily gap was 79 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Nārnaul was 0.1% Severe and 40.8% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Nārnaul 63 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Nārnaul has improved by 37 AQI points (28.2%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Nārnaul hit AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Nārnaul spans 1 stations with a 0-point spread (min 130, max 130).
Verdict
🏆 Nārnaul has better air quality with an AQI of 114 compared to Bettiah's 233. That's a significant difference of 119 points.