Samastipur vs Sirohi
Side-by-side air quality comparison between Samastipur and Sirohi.
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 | Samastipur | Sirohi |
|---|---|---|
| PM2.5(µg/m³) | 118.70 | 20.00 |
| PM10(µg/m³) | 131.30 | 34.70 |
| NO₂(µg/m³) | 48.30 | 4.30 |
| SO₂(µg/m³) | 20.10 | 2.90 |
| O₃(µg/m³) | 57.00 | 51.00 |
| CO(µg/m³) | 732.00 | 127.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Samastipur averaged an AQI of 134 while Sirohi averaged 89 — a 45-point (51%) gap, with Samastipur the more polluted and Sirohi the cleaner of the two. On 456 days when both cities reported, Sirohi was cleaner on 364 of them; the average daily gap was 73 AQI points.
Seasonality & days
Samastipur peaks in January, while Sirohi peaks in December. Samastipur logged 1.4% Severe days and 23.400000000000002% Good-or-Satisfactory days; Sirohi was 0% Severe and 69.2% Good-or-Satisfactory. Longest clean-air streaks: Samastipur 9 days, Sirohi 41 days.
Year-over-year progress
Samastipur has improved by 84 AQI points (38.5%) from 2022 to 2024; Sirohi has improved by 4 AQI points (4.3%) over the same window. The worst recorded day for Samastipur reached AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01; Sirohi hit AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26.
Station-level disparity
Samastipur spans 1 CPCB stations with a 0-point spread (min 177, max 177); Sirohi spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Sirohi has better air quality with an AQI of 35 compared to Samastipur's 296. That's a significant difference of 261 points.