Guwahati vs Pune
Side-by-side air quality comparison between Guwahati 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 | Guwahati | Pune |
|---|---|---|
| PM2.5(µg/m³) | 31.90 | 16.30 |
| PM10(µg/m³) | 36.00 | 35.50 |
| NO₂(µg/m³) | 5.40 | 10.00 |
| SO₂(µg/m³) | 4.20 | 9.20 |
| O₃(µg/m³) | 97.00 | 36.00 |
| CO(µg/m³) | 393.00 | 152.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Guwahati averaged an AQI of 123 while Pune averaged 97 — a 26-point (27%) gap, with Guwahati the more polluted and Pune the cleaner of the two. On 1531 days when both cities reported, Guwahati was cleaner on 818 of them; the average daily gap was 63 AQI points.
Seasonality & days
Guwahati peaks in January, while Pune peaks in November. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Pune was 0.1% Severe and 44.8% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Pune 92 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Pune has improved by 7 AQI points (6.7%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Pune hit AQI 435 at Alandi (IITM) on 2024-01-29.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); 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 Guwahati's 54.