Nārnaul vs Vellore
Side-by-side air quality comparison between Nārnaul and Vellore.
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 Vellore averaged 61 — a 33-point (54%) gap, with Nārnaul the more polluted and Vellore the cleaner of the two. On 263 days when both cities reported, Vellore was cleaner on 203 of them; the average daily gap was 65 AQI points.
Seasonality & days
Nārnaul peaks in November, while Vellore peaks in December. Nārnaul logged 0.1% Severe days and 40.8% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Nārnaul 63 days, Vellore 23 days.
Year-over-year progress
Nārnaul has improved by 37 AQI points (28.2%) from 2019 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Nārnaul reached AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Nārnaul spans 1 CPCB stations with a 0-point spread (min 130, max 130); Vellore spans 1 stations with a 0-point spread (min 70, max 70).