Gwalior vs Ulhasnagar
Side-by-side air quality comparison between Gwalior 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 | Gwalior | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 40.70 | 22.10 |
| PM10(µg/m³) | 97.60 | 40.40 |
| NO₂(µg/m³) | 14.70 | 23.10 |
| SO₂(µg/m³) | 5.70 | 21.70 |
| O₃(µg/m³) | 49.00 | 19.00 |
| CO(µg/m³) | 247.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gwalior averaged an AQI of 136 while Ulhasnagar averaged 117 — a 19-point (16%) gap, with Gwalior the more polluted and Ulhasnagar the cleaner of the two. On 353 days when both cities reported, Ulhasnagar was cleaner on 290 of them; the average daily gap was 58 AQI points.
Seasonality & days
Gwalior peaks in November, while Ulhasnagar peaks in January. Gwalior logged 0.4% Severe days and 31.5% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Gwalior 47 days, Ulhasnagar 74 days.
Year-over-year progress
Gwalior has improved by 12 AQI points (8.1%) from 2020 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Gwalior reached AQI 450 at City Center (MPPCB) on 2021-11-09; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Gwalior spans 4 CPCB stations with a 53-point spread (min 112, max 165); 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 Gwalior's 98. That's a significant difference of 58 points.