Thrissur vs Ujjain
Side-by-side air quality comparison between Thrissur 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 | Thrissur | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 7.20 | 27.30 |
| PM10(µg/m³) | 10.00 | 52.60 |
| NO₂(µg/m³) | 2.90 | 0.70 |
| SO₂(µg/m³) | 1.60 | 6.50 |
| O₃(µg/m³) | 58.00 | 109.00 |
| CO(µg/m³) | 109.00 | 170.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Thrissur averaged an AQI of 57 while Ujjain averaged 116 — a 59-point (104%) gap, with Ujjain the more polluted and Thrissur the cleaner of the two. On 1056 days when both cities reported, Thrissur was cleaner on 980 of them; the average daily gap was 67 AQI points.
Seasonality & days
Thrissur peaks in February, while Ujjain peaks in November. Thrissur logged 0% Severe days and 88.4% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Thrissur 52 days, Ujjain 67 days.
Year-over-year progress
Thrissur has improved by 21 AQI points (26.9%) from 2020 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Thrissur reached AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Thrissur spans 1 CPCB stations with a 0-point spread (min 68, max 68); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Thrissur has better air quality with an AQI of 12 compared to Ujjain's 54.