Nārnaul vs Ulhasnagar
Side-by-side air quality comparison between Nārnaul and Ulhasnagar.
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 | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 45.40 | 23.70 |
| PM10(µg/m³) | 126.20 | 40.90 |
| NO₂(µg/m³) | 12.40 | 20.60 |
| SO₂(µg/m³) | 7.70 | 23.00 |
| O₃(µg/m³) | 86.00 | 23.00 |
| CO(µg/m³) | 365.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nārnaul averaged an AQI of 94 while Ulhasnagar averaged 117 — a 23-point (24%) gap, with Ulhasnagar the more polluted and Nārnaul the cleaner of the two. On 445 days when both cities reported, Nārnaul was cleaner on 246 of them; the average daily gap was 53 AQI points.
Seasonality & days
Nārnaul peaks in November, while Ulhasnagar peaks in January. Nārnaul logged 0.1% Severe days and 40.8% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Nārnaul 63 days, Ulhasnagar 74 days.
Year-over-year progress
Nārnaul has improved by 37 AQI points (28.2%) from 2019 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Nārnaul reached AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Nārnaul spans 1 CPCB stations with a 0-point spread (min 130, max 130); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Ulhasnagar has better air quality with an AQI of 41 compared to Nārnaul's 118. That's a significant difference of 77 points.