Bangalore vs Surat
Side-by-side air quality comparison between Bangalore and Surat.
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 | Surat |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 24.70 |
| PM10(µg/m³) | 5.60 | 45.90 |
| NO₂(µg/m³) | 9.50 | 24.20 |
| SO₂(µg/m³) | 4.20 | 41.00 |
| O₃(µg/m³) | 35.00 | 32.00 |
| CO(µg/m³) | 290.00 | 261.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Surat averaged 83 — a 9-point (12%) gap, with Surat the more polluted and Bangalore the cleaner of the two. On 608 days when both cities reported, Surat was cleaner on 366 of them; the average daily gap was 73 AQI points.
Seasonality & days
Bangalore peaks in March, while Surat peaks in November. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Surat was 0% Severe and 55.9% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Surat 55 days.
Year-over-year progress
Bangalore has improved by 26 AQI points (26%) from 2016 to 2024; Surat has improved by 139 AQI points (62.6%) over the same window. The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Surat hit AQI 384 at Science Center (SMC) on 2023-08-19.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Surat spans 1 stations with a 0-point spread (min 123, max 123).
Verdict
🏆 Bangalore has better air quality with an AQI of 9 compared to Surat's 46.