Bangalore vs Chandigarh
Side-by-side air quality comparison between Bangalore and Chandigarh.
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 | Chandigarh |
|---|---|---|
| PM2.5(µg/m³) | 3.00 | 39.80 |
| PM10(µg/m³) | 3.20 | 90.10 |
| NO₂(µg/m³) | 2.00 | 1.80 |
| SO₂(µg/m³) | 2.30 | 11.80 |
| O₃(µg/m³) | 89.00 | 196.00 |
| CO(µg/m³) | 204.00 | 373.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Chandigarh averaged 153 — a 79-point (107%) gap, with Chandigarh the more polluted and Bangalore the cleaner of the two. On 1947 days when both cities reported, Bangalore was cleaner on 1067 of them; the average daily gap was 64 AQI points.
Seasonality & days
Bangalore peaks in March, while Chandigarh peaks in January. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Chandigarh was 0.3% Severe and 39.9% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Chandigarh 92 days.
Year-over-year progress
Bangalore has improved by 26 AQI points (26%) from 2016 to 2024; Chandigarh has worsened by 27 AQI points (21.4%) over the same window. The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Chandigarh hit AQI 452 at Sector-53 (CPCC) on 2022-11-09.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Chandigarh spans 3 stations with a 43-point spread (min 107, max 150).
Verdict
🏆 Bangalore has better air quality with an AQI of 5 compared to Chandigarh's 90. That's a significant difference of 85 points.