Guwahati vs Patna
Side-by-side air quality comparison between Guwahati and Patna.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Guwahati averaged an AQI of 123 while Patna averaged 172 — a 49-point (40%) gap, with Patna the more polluted and Guwahati the cleaner of the two. On 2075 days when both cities reported, Guwahati was cleaner on 1810 of them; the average daily gap was 100 AQI points.
Seasonality & days
Guwahati peaks in January, while Patna peaks in December. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Patna 30 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Patna spans 6 stations with a 39-point spread (min 154, max 193).