Rajgir vs Samastipur
Side-by-side air quality comparison between Rajgir 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 | Rajgir | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 105.00 |
| PM10(µg/m³) | 80.10 | 120.60 |
| NO₂(µg/m³) | 18.50 | 30.80 |
| SO₂(µg/m³) | 16.90 | 21.20 |
| O₃(µg/m³) | 109.00 | 120.00 |
| CO(µg/m³) | 321.00 | 635.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rajgir averaged an AQI of 124 while Samastipur averaged 134 — a 10-point (8%) gap, with Samastipur the more polluted and Rajgir the cleaner of the two. On 616 days when both cities reported, Rajgir was cleaner on 449 of them; the average daily gap was 67 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Rajgir logged 0.6% Severe days and 37.9% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Rajgir 26 days, Samastipur 9 days.
Year-over-year progress
Rajgir has improved by 158 AQI points (56%) from 2021 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Rajgir reached AQI 461 at Dangi Tola (BSPCB) on 2022-12-31; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Rajgir spans 1 CPCB stations with a 0-point spread (min 154, max 154); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Rajgir has better air quality with an AQI of 133 compared to Samastipur's 251. That's a significant difference of 118 points.