Kochi vs Ulhasnagar
Side-by-side air quality comparison between Kochi 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 | Kochi | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 7.80 | 22.10 |
| PM10(µg/m³) | 9.90 | 40.40 |
| NO₂(µg/m³) | 10.00 | 23.10 |
| SO₂(µg/m³) | 2.70 | 21.70 |
| O₃(µg/m³) | 24.00 | 19.00 |
| CO(µg/m³) | 125.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kochi averaged an AQI of 91 while Ulhasnagar averaged 117 — a 26-point (29%) gap, with Ulhasnagar the more polluted and Kochi the cleaner of the two. On 175 days when both cities reported, Kochi was cleaner on 130 of them; the average daily gap was 65 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Kochi logged 0% Severe days and 70.9% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Kochi 80 days, Ulhasnagar 74 days.
Year-over-year progress
Kochi has worsened by 7 AQI points (8.3%) from 2020 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Kochi reached AQI 293 at Vyttila Kochi (PCB) on 2022-12-08; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Kochi spans 1 CPCB stations with a 0-point spread (min 88, max 88); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Kochi has better air quality with an AQI of 13 compared to Ulhasnagar's 40.