Bangalore vs Sasaram
Side-by-side air quality comparison between Bangalore and Sasaram.
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 | Bangalore | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 85.70 |
| PM10(µg/m³) | 6.00 | 96.90 |
| NO₂(µg/m³) | 9.70 | 33.60 |
| SO₂(µg/m³) | 4.50 | 12.90 |
| O₃(µg/m³) | 34.00 | 52.00 |
| CO(µg/m³) | 230.00 | 638.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Sasaram averaged 109 — a 35-point (47%) gap, with Sasaram the more polluted and Bangalore the cleaner of the two. On 933 days when both cities reported, Bangalore was cleaner on 496 of them; the average daily gap was 78 AQI points.
Seasonality & days
Bangalore peaks in March, while Sasaram peaks in January. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Sasaram 27 days.
Year-over-year progress
Bangalore has improved by 26 AQI points (26%) from 2016 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Bangalore has better air quality with an AQI of 9 compared to Sasaram's 186. That's a significant difference of 177 points.