Bangalore vs Patna
Side-by-side air quality comparison between Bangalore 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, Bangalore averaged an AQI of 74 while Patna averaged 172 — a 98-point (132%) gap, with Patna the more polluted and Bangalore the cleaner of the two. On 2903 days when both cities reported, Bangalore was cleaner on 2352 of them; the average daily gap was 123 AQI points.
Seasonality & days
Bangalore peaks in March, while Patna peaks in December. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Patna 30 days.
Year-over-year progress
Bangalore has improved by 26 AQI points (26%) from 2016 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Patna spans 6 stations with a 39-point spread (min 154, max 193).