Karnal vs Ulhasnagar
Side-by-side air quality comparison between Karnal 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 | Karnal | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 110.80 | 22.10 |
| PM10(µg/m³) | 258.90 | 40.40 |
| NO₂(µg/m³) | 55.20 | 23.10 |
| SO₂(µg/m³) | 12.50 | 21.70 |
| O₃(µg/m³) | 10.00 | 19.00 |
| CO(µg/m³) | 1037.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karnal averaged an AQI of 102 while Ulhasnagar averaged 117 — a 15-point (15%) gap, with Ulhasnagar the more polluted and Karnal the cleaner of the two. On 476 days when both cities reported, Karnal was cleaner on 263 of them; the average daily gap was 45 AQI points.
Seasonality & days
Karnal peaks in November, while Ulhasnagar peaks in January. Karnal logged 0.1% Severe days and 46.2% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Karnal 53 days, Ulhasnagar 74 days.
Year-over-year progress
Karnal has improved by 71 AQI points (41%) from 2019 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Karnal reached AQI 456 at Sector-12 (HSPCB) on 2019-11-03; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Karnal spans 1 CPCB stations with a 0-point spread (min 128, max 128); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Ulhasnagar has better air quality with an AQI of 40 compared to Karnal's 270. That's a significant difference of 230 points.