Tonk vs Ulhasnagar
Side-by-side air quality comparison between Tonk 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 | Tonk | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 27.80 | 23.70 |
| PM10(µg/m³) | 53.10 | 40.90 |
| NO₂(µg/m³) | 9.00 | 20.60 |
| SO₂(µg/m³) | 4.10 | 23.00 |
| O₃(µg/m³) | 47.00 | 23.00 |
| CO(µg/m³) | 206.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tonk averaged an AQI of 142 while Ulhasnagar averaged 117 — a 25-point (21%) gap, with Tonk the more polluted and Ulhasnagar the cleaner of the two. On 430 days when both cities reported, Ulhasnagar was cleaner on 290 of them; the average daily gap was 52 AQI points.
Seasonality & days
Tonk peaks in November, while Ulhasnagar peaks in January. Tonk logged 0% Severe days and 28.200000000000003% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Tonk 11 days, Ulhasnagar 74 days.
Year-over-year progress
Tonk has improved by 14 AQI points (9%) from 2023 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Tonk reached AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Tonk spans 1 CPCB stations with a 0-point spread (min 148, max 148); 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 Tonk's 54.