Kochi vs Ujjain
Side-by-side air quality comparison between Kochi 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 | Kochi | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 7.80 | 32.40 |
| PM10(µg/m³) | 9.90 | 47.70 |
| NO₂(µg/m³) | 10.00 | 6.80 |
| SO₂(µg/m³) | 2.70 | 13.70 |
| O₃(µg/m³) | 24.00 | 66.00 |
| CO(µg/m³) | 125.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kochi averaged an AQI of 91 while Ujjain averaged 116 — a 25-point (27%) gap, with Ujjain the more polluted and Kochi the cleaner of the two. On 1115 days when both cities reported, Kochi was cleaner on 838 of them; the average daily gap was 55 AQI points.
Seasonality & days
Kochi peaks in January, while Ujjain peaks in November. Kochi logged 0% Severe days and 70.9% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Kochi 80 days, Ujjain 67 days.
Year-over-year progress
Kochi has worsened by 7 AQI points (8.3%) from 2020 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Kochi reached AQI 293 at Vyttila Kochi (PCB) on 2022-12-08; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Kochi spans 1 CPCB stations with a 0-point spread (min 88, max 88); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Kochi has better air quality with an AQI of 13 compared to Ujjain's 55.