Solapur vs Ulhasnagar
Side-by-side air quality comparison between Solapur 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 | Solapur | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 13.50 | 22.10 |
| PM10(µg/m³) | 22.10 | 40.40 |
| NO₂(µg/m³) | 6.90 | 23.10 |
| SO₂(µg/m³) | 2.70 | 21.70 |
| O₃(µg/m³) | 46.00 | 19.00 |
| CO(µg/m³) | 157.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Solapur averaged an AQI of 96 while Ulhasnagar averaged 117 — a 21-point (22%) gap, with Ulhasnagar the more polluted and Solapur the cleaner of the two. On 353 days when both cities reported, Ulhasnagar was cleaner on 207 of them; the average daily gap was 37 AQI points.
Seasonality & days
Solapur peaks in March, while Ulhasnagar peaks in January. Solapur logged 0% Severe days and 52.7% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Solapur 61 days, Ulhasnagar 74 days.
Year-over-year progress
Solapur has improved by 45 AQI points (31.9%) from 2017 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Solapur reached AQI 266 at Solapur (MPCB) on 2018-03-03; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Solapur spans 3 CPCB stations with a 10-point spread (min 88, max 98); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Solapur has better air quality with an AQI of 23 compared to Ulhasnagar's 40.