Tirupati vs Ulhasnagar
Side-by-side air quality comparison between Tirupati 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 | Tirupati | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 10.70 | 19.70 |
| PM10(µg/m³) | 11.80 | 33.60 |
| NO₂(µg/m³) | 11.20 | 24.10 |
| SO₂(µg/m³) | 2.50 | 23.80 |
| O₃(µg/m³) | 53.00 | 19.00 |
| CO(µg/m³) | 159.00 | 182.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tirupati averaged an AQI of 75 while Ulhasnagar averaged 117 — a 42-point (56%) gap, with Ulhasnagar the more polluted and Tirupati the cleaner of the two. On 348 days when both cities reported, Tirupati was cleaner on 270 of them; the average daily gap was 74 AQI points.
Seasonality & days
Tirupati peaks in April, while Ulhasnagar peaks in January. Tirupati logged 0% Severe days and 84% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Tirupati 36 days, Ulhasnagar 74 days.
Year-over-year progress
Tirupati has improved by 20 AQI points (21.1%) from 2022 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Tirupati reached AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Tirupati spans 1 CPCB stations with a 0-point spread (min 75, max 75); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Tirupati has better air quality with an AQI of 18 compared to Ulhasnagar's 34.