Surat vs Ulhasnagar
Side-by-side air quality comparison between Surat 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 | Surat | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 25.70 | 23.70 |
| PM10(µg/m³) | 47.30 | 40.90 |
| NO₂(µg/m³) | 22.40 | 20.60 |
| SO₂(µg/m³) | 40.70 | 23.00 |
| O₃(µg/m³) | 35.00 | 23.00 |
| CO(µg/m³) | 266.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Surat averaged an AQI of 83 while Ulhasnagar averaged 117 — a 34-point (41%) gap, with Ulhasnagar the more polluted and Surat the cleaner of the two. On 380 days when both cities reported, Surat was cleaner on 246 of them; the average daily gap was 66 AQI points.
Seasonality & days
Surat peaks in November, while Ulhasnagar peaks in January. Surat logged 0% Severe days and 55.9% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Surat 55 days, Ulhasnagar 74 days.
Year-over-year progress
Surat has improved by 139 AQI points (62.6%) from 2022 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Surat reached AQI 384 at Science Center (SMC) on 2023-08-19; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Surat spans 1 CPCB stations with a 0-point spread (min 123, max 123); 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 Surat's 47.