Bihar Sharif vs Nārnaul
Side-by-side air quality comparison between Bihar Sharif 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 | Bihar Sharif | Nārnaul |
|---|---|---|
| PM2.5(µg/m³) | 74.50 | 45.80 |
| PM10(µg/m³) | 82.20 | 120.10 |
| NO₂(µg/m³) | 35.60 | 21.00 |
| SO₂(µg/m³) | 13.00 | 7.10 |
| O₃(µg/m³) | 31.00 | 63.00 |
| CO(µg/m³) | 620.00 | 386.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Nārnaul averaged 94 — a 21-point (22%) gap, with Bihar Sharif the more polluted and Nārnaul the cleaner of the two. On 795 days when both cities reported, Nārnaul was cleaner on 502 of them; the average daily gap was 70 AQI points.
Seasonality & days
Bihar Sharif peaks in December, while Nārnaul peaks in November. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Nārnaul was 0.1% Severe and 40.8% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Nārnaul 63 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Nārnaul has improved by 37 AQI points (28.2%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Nārnaul hit AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); 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 Bihar Sharif's 149.