Belgaum vs Thiruvananthapuram
Side-by-side air quality comparison between Belgaum 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 | Belgaum | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 11.10 | 5.30 |
| PM10(µg/m³) | 19.90 | 9.50 |
| NO₂(µg/m³) | 6.70 | 1.50 |
| SO₂(µg/m³) | 1.40 | 0.40 |
| O₃(µg/m³) | 38.00 | 38.00 |
| CO(µg/m³) | 113.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Belgaum averaged an AQI of 58 while Thiruvananthapuram averaged 56 — a 2-point (4%) gap, with Belgaum the more polluted and Thiruvananthapuram the cleaner of the two. On 438 days when both cities reported, Belgaum was cleaner on 250 of them; the average daily gap was 26 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Belgaum logged 0% Severe days and 84.3% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Belgaum 71 days, Thiruvananthapuram 172 days.
Year-over-year progress
Belgaum has improved by 33 AQI points (36.3%) from 2022 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Belgaum reached AQI 248 at Ramteerth Nagar (KSPCB) on 2024-12-14; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Belgaum spans 1 CPCB stations with a 0-point spread (min 71, max 71); 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 Belgaum's 20.