Saharsa vs Sirohi
Side-by-side air quality comparison between Saharsa 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 | Saharsa | Sirohi |
|---|---|---|
| PM2.5(µg/m³) | 75.90 | 23.50 |
| PM10(µg/m³) | 94.50 | 46.20 |
| NO₂(µg/m³) | 1.80 | 0.80 |
| SO₂(µg/m³) | 12.70 | 3.80 |
| O₃(µg/m³) | 208.00 | 99.00 |
| CO(µg/m³) | 328.00 | 121.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Saharsa averaged an AQI of 139 while Sirohi averaged 89 — a 50-point (56%) gap, with Saharsa the more polluted and Sirohi the cleaner of the two. On 504 days when both cities reported, Sirohi was cleaner on 360 of them; the average daily gap was 86 AQI points.
Seasonality & days
Saharsa peaks in January, while Sirohi peaks in December. Saharsa logged 1.4% Severe days and 28.4% Good-or-Satisfactory days; Sirohi was 0% Severe and 69.2% Good-or-Satisfactory. Longest clean-air streaks: Saharsa 20 days, Sirohi 41 days.
Year-over-year progress
Saharsa has improved by 139 AQI points (50%) from 2021 to 2024; Sirohi has improved by 4 AQI points (4.3%) over the same window. The worst recorded day for Saharsa reached AQI 454 at Police Line (BSPCB) on 2022-12-13; Sirohi hit AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26.
Station-level disparity
Saharsa spans 1 CPCB stations with a 0-point spread (min 188, max 188); Sirohi spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Sirohi has better air quality with an AQI of 46 compared to Saharsa's 153. That's a significant difference of 107 points.