Alwar vs Belgaum
Side-by-side air quality comparison between Alwar and Belgaum.
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 | Alwar | Belgaum |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 11.10 |
| PM10(µg/m³) | 158.30 | 19.90 |
| NO₂(µg/m³) | 14.30 | 6.70 |
| SO₂(µg/m³) | 8.50 | 1.40 |
| O₃(µg/m³) | 76.00 | 38.00 |
| CO(µg/m³) | 357.00 | 113.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Belgaum averaged 58 — a 30-point (52%) gap, with Alwar the more polluted and Belgaum the cleaner of the two. On 754 days when both cities reported, Belgaum was cleaner on 586 of them; the average daily gap was 37 AQI points.
Seasonality & days
Alwar peaks in November, while Belgaum peaks in January. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Belgaum was 0% Severe and 84.3% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Belgaum 71 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Belgaum has improved by 33 AQI points (36.3%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Belgaum hit AQI 248 at Ramteerth Nagar (KSPCB) on 2024-12-14.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Belgaum spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Belgaum has better air quality with an AQI of 20 compared to Alwar's 139. That's a significant difference of 119 points.