Rāichūr vs Siwan
Side-by-side air quality comparison between Rāichūr and Siwan.
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 | Rāichūr | Siwan |
|---|---|---|
| PM2.5(µg/m³) | 10.70 | 114.60 |
| PM10(µg/m³) | 15.10 | 125.70 |
| NO₂(µg/m³) | 8.60 | 44.50 |
| SO₂(µg/m³) | 3.00 | 15.40 |
| O₃(µg/m³) | 45.00 | 54.00 |
| CO(µg/m³) | 217.00 | 761.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rāichūr averaged an AQI of 106 while Siwan averaged 148 — a 42-point (40%) gap, with Siwan the more polluted and Rāichūr the cleaner of the two. On 539 days when both cities reported, Rāichūr was cleaner on 469 of them; the average daily gap was 113 AQI points.
Seasonality & days
Rāichūr peaks in February, while Siwan peaks in January. Rāichūr logged 0% Severe days and 54.1% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Rāichūr 23 days, Siwan 13 days.
Year-over-year progress
Rāichūr has improved by 24 AQI points (18.5%) from 2020 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Rāichūr reached AQI 390 at Haji Colony (KSPCB) on 2022-01-25; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Rāichūr spans 1 CPCB stations with a 0-point spread (min 93, max 93); Siwan spans 1 stations with a 0-point spread (min 197, max 197).
Verdict
🏆 Rāichūr has better air quality with an AQI of 18 compared to Siwan's 282. That's a significant difference of 264 points.