Nārnaul vs Sasaram
Side-by-side air quality comparison between Nārnaul and Sasaram.
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 | Nārnaul | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 45.40 | 69.80 |
| PM10(µg/m³) | 126.20 | 80.30 |
| NO₂(µg/m³) | 12.40 | 15.10 |
| SO₂(µg/m³) | 7.70 | 14.40 |
| O₃(µg/m³) | 86.00 | 101.00 |
| CO(µg/m³) | 365.00 | 627.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nārnaul averaged an AQI of 94 while Sasaram averaged 109 — a 15-point (16%) gap, with Sasaram the more polluted and Nārnaul the cleaner of the two. On 835 days when both cities reported, Nārnaul was cleaner on 503 of them; the average daily gap was 63 AQI points.
Seasonality & days
Nārnaul peaks in November, while Sasaram peaks in January. Nārnaul logged 0.1% Severe days and 40.8% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Nārnaul 63 days, Sasaram 27 days.
Year-over-year progress
Nārnaul has improved by 37 AQI points (28.2%) from 2019 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Nārnaul reached AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Nārnaul spans 1 CPCB stations with a 0-point spread (min 130, max 130); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Nārnaul has better air quality with an AQI of 118 compared to Sasaram's 133.