Tonk vs Ujjain
Side-by-side air quality comparison between Tonk and Ujjain.
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 | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 27.80 | 29.30 |
| PM10(µg/m³) | 53.10 | 46.00 |
| NO₂(µg/m³) | 9.00 | 7.60 |
| SO₂(µg/m³) | 4.10 | 16.00 |
| O₃(µg/m³) | 47.00 | 53.00 |
| CO(µg/m³) | 206.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tonk averaged an AQI of 142 while Ujjain averaged 116 — a 26-point (22%) gap, with Tonk the more polluted and Ujjain the cleaner of the two. On 520 days when both cities reported, Ujjain was cleaner on 350 of them; the average daily gap was 48 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Tonk logged 0% Severe days and 28.200000000000003% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Tonk 11 days, Ujjain 67 days.
Year-over-year progress
Tonk has improved by 14 AQI points (9%) from 2023 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Tonk reached AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Tonk spans 1 CPCB stations with a 0-point spread (min 148, max 148); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Ujjain has better air quality with an AQI of 49 compared to Tonk's 54.