Belgaum vs Patna
Side-by-side air quality comparison between Belgaum and Patna.
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 | Patna |
|---|---|---|
| PM2.5(µg/m³) | 12.20 | 99.00 |
| PM10(µg/m³) | 20.70 | 111.80 |
| NO₂(µg/m³) | 8.30 | 49.30 |
| SO₂(µg/m³) | 1.40 | 18.10 |
| O₃(µg/m³) | 32.00 | 19.00 |
| CO(µg/m³) | 110.00 | 704.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Belgaum averaged an AQI of 58 while Patna averaged 172 — a 114-point (197%) gap, with Patna the more polluted and Belgaum the cleaner of the two. On 764 days when both cities reported, Belgaum was cleaner on 755 of them; the average daily gap was 182 AQI points.
Seasonality & days
Belgaum peaks in January, while Patna peaks in December. Belgaum logged 0% Severe days and 84.3% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Belgaum 71 days, Patna 30 days.
Year-over-year progress
Belgaum has improved by 33 AQI points (36.3%) from 2022 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Belgaum reached AQI 248 at Ramteerth Nagar (KSPCB) on 2024-12-14; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Belgaum spans 1 CPCB stations with a 0-point spread (min 71, max 71); Patna spans 6 stations with a 39-point spread (min 154, max 193).
Verdict
🏆 Belgaum has better air quality with an AQI of 21 compared to Patna's 231. That's a significant difference of 210 points.