Purnia vs Rāichūr
Side-by-side air quality comparison between Purnia and Rāichūr.
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 | Purnia | Rāichūr |
|---|---|---|
| PM2.5(µg/m³) | 88.20 | 15.80 |
| PM10(µg/m³) | 98.70 | 29.30 |
| NO₂(µg/m³) | 2.30 | 1.80 |
| SO₂(µg/m³) | 24.60 | 5.60 |
| O₃(µg/m³) | 239.00 | 115.00 |
| CO(µg/m³) | 359.00 | 143.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Purnia averaged an AQI of 133 while Rāichūr averaged 106 — a 27-point (25%) gap, with Purnia the more polluted and Rāichūr the cleaner of the two. On 597 days when both cities reported, Rāichūr was cleaner on 460 of them; the average daily gap was 99 AQI points.
Seasonality & days
Purnia peaks in January, while Rāichūr peaks in February. Purnia logged 3.7% Severe days and 33.699999999999996% Good-or-Satisfactory days; Rāichūr was 0% Severe and 54.1% Good-or-Satisfactory. Longest clean-air streaks: Purnia 14 days, Rāichūr 23 days.
Year-over-year progress
Purnia has improved by 163 AQI points (55.1%) from 2021 to 2024; Rāichūr has improved by 24 AQI points (18.5%) over the same window. The worst recorded day for Purnia reached AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15; Rāichūr hit AQI 390 at Haji Colony (KSPCB) on 2022-01-25.
Station-level disparity
Purnia spans 1 CPCB stations with a 0-point spread (min 176, max 176); Rāichūr spans 1 stations with a 0-point spread (min 93, max 93).
Verdict
🏆 Rāichūr has better air quality with an AQI of 29 compared to Purnia's 194. That's a significant difference of 165 points.