Belgaum vs Samastipur
Side-by-side air quality comparison between Belgaum and Samastipur.
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 | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 11.10 | 118.70 |
| PM10(µg/m³) | 19.90 | 131.30 |
| NO₂(µg/m³) | 6.70 | 48.30 |
| SO₂(µg/m³) | 1.40 | 20.10 |
| O₃(µg/m³) | 38.00 | 57.00 |
| CO(µg/m³) | 113.00 | 732.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Belgaum averaged an AQI of 58 while Samastipur averaged 134 — a 76-point (131%) gap, with Samastipur the more polluted and Belgaum the cleaner of the two. On 615 days when both cities reported, Belgaum was cleaner on 587 of them; the average daily gap was 105 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; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Belgaum 71 days, Samastipur 9 days.
Year-over-year progress
Belgaum has improved by 33 AQI points (36.3%) from 2022 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Belgaum reached AQI 248 at Ramteerth Nagar (KSPCB) on 2024-12-14; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Belgaum spans 1 CPCB stations with a 0-point spread (min 71, max 71); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Belgaum has better air quality with an AQI of 20 compared to Samastipur's 296. That's a significant difference of 276 points.