Arrah vs Pune
Side-by-side air quality comparison between Arrah and Pune.
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 | Arrah | Pune |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 16.30 |
| PM10(µg/m³) | 117.10 | 35.50 |
| NO₂(µg/m³) | 42.70 | 10.00 |
| SO₂(µg/m³) | 15.30 | 9.20 |
| O₃(µg/m³) | 46.00 | 36.00 |
| CO(µg/m³) | 841.00 | 152.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Pune averaged 97 — a 26-point (27%) gap, with Arrah the more polluted and Pune the cleaner of the two. On 439 days when both cities reported, Arrah was cleaner on 261 of them; the average daily gap was 77 AQI points.
Seasonality & days
Arrah peaks in January, while Pune peaks in November. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Pune was 0.1% Severe and 44.8% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Pune 92 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Pune has improved by 7 AQI points (6.7%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Pune hit AQI 435 at Alandi (IITM) on 2024-01-29.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Pune spans 12 stations with a 54-point spread (min 68, max 122).
Verdict
🏆 Pune has better air quality with an AQI of 36 compared to Arrah's 244. That's a significant difference of 208 points.