Nārnaul vs Siwan
Side-by-side air quality comparison between Nārnaul and Siwan.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nārnaul averaged an AQI of 94 while Siwan averaged 148 — a 54-point (57%) gap, with Siwan the more polluted and Nārnaul the cleaner of the two. On 706 days when both cities reported, Nārnaul was cleaner on 562 of them; the average daily gap was 92 AQI points.
Seasonality & days
Nārnaul peaks in November, while Siwan peaks in January. Nārnaul logged 0.1% Severe days and 40.8% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Nārnaul 63 days, Siwan 13 days.
Year-over-year progress
Nārnaul has improved by 37 AQI points (28.2%) from 2019 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Nārnaul reached AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Nārnaul spans 1 CPCB stations with a 0-point spread (min 130, max 130); Siwan spans 1 stations with a 0-point spread (min 197, max 197).