Bangalore vs Thanjavur
Side-by-side air quality comparison between Bangalore and Thanjavur.
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 | Thanjavur |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 12.00 |
| PM10(µg/m³) | 5.60 | 13.70 |
| NO₂(µg/m³) | 9.50 | 9.70 |
| SO₂(µg/m³) | 4.20 | 3.90 |
| O₃(µg/m³) | 35.00 | 38.00 |
| CO(µg/m³) | 290.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Thanjavur averaged 42 — a 32-point (76%) gap, with Bangalore the more polluted and Thanjavur the cleaner of the two. On 70 days when both cities reported, Thanjavur was cleaner on 70 of them; the average daily gap was 85 AQI points.
Seasonality & days
Bangalore peaks in March, while Thanjavur peaks in November. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
🏆 Bangalore has better air quality with an AQI of 9 compared to Thanjavur's 20.