Mumbai vs Thiruvananthapuram
Side-by-side air quality comparison between Mumbai and Thiruvananthapuram.
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 | Mumbai | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 17.50 | 5.30 |
| PM10(µg/m³) | 40.70 | 9.50 |
| NO₂(µg/m³) | 11.00 | 1.50 |
| SO₂(µg/m³) | 12.60 | 0.40 |
| O₃(µg/m³) | 42.00 | 38.00 |
| CO(µg/m³) | 196.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Mumbai averaged an AQI of 93 while Thiruvananthapuram averaged 56 — a 37-point (66%) gap, with Mumbai the more polluted and Thiruvananthapuram the cleaner of the two. On 2121 days when both cities reported, Thiruvananthapuram was cleaner on 2023 of them; the average daily gap was 100 AQI points.
Seasonality & days
Mumbai peaks in December, while Thiruvananthapuram peaks in January. Mumbai logged 0.5% Severe days and 34% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Mumbai 58 days, Thiruvananthapuram 172 days.
Year-over-year progress
Mumbai has improved by 4 AQI points (4.1%) from 2016 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Mumbai reached AQI 500 at Vile Parle West (MPCB) on 2022-08-15; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Mumbai spans 29 CPCB stations with a 74-point spread (min 77, max 151); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Mumbai's 41.