Belgaum vs Mumbai
Side-by-side air quality comparison between Belgaum and Mumbai.
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 | Mumbai |
|---|---|---|
| PM2.5(µg/m³) | 11.10 | 17.50 |
| PM10(µg/m³) | 19.90 | 40.70 |
| NO₂(µg/m³) | 6.70 | 11.00 |
| SO₂(µg/m³) | 1.40 | 12.60 |
| O₃(µg/m³) | 38.00 | 42.00 |
| CO(µg/m³) | 113.00 | 196.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Belgaum averaged an AQI of 58 while Mumbai averaged 93 — a 35-point (60%) gap, with Mumbai the more polluted and Belgaum the cleaner of the two. On 439 days when both cities reported, Belgaum was cleaner on 432 of them; the average daily gap was 124 AQI points.
Seasonality & days
Belgaum peaks in January, while Mumbai peaks in December. Belgaum logged 0% Severe days and 84.3% Good-or-Satisfactory days; Mumbai was 0.5% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Belgaum 71 days, Mumbai 58 days.
Year-over-year progress
Belgaum has improved by 33 AQI points (36.3%) from 2022 to 2024; Mumbai has improved by 4 AQI points (4.1%) over the same window. The worst recorded day for Belgaum reached AQI 248 at Ramteerth Nagar (KSPCB) on 2024-12-14; Mumbai hit AQI 500 at Vile Parle West (MPCB) on 2022-08-15.
Station-level disparity
Belgaum spans 1 CPCB stations with a 0-point spread (min 71, max 71); Mumbai spans 29 stations with a 74-point spread (min 77, max 151).
Verdict
🏆 Belgaum has better air quality with an AQI of 20 compared to Mumbai's 41.