Samastipur vs Thanjavur
Side-by-side air quality comparison between Samastipur 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 | Samastipur | Thanjavur |
|---|---|---|
| PM2.5(µg/m³) | 118.70 | 12.00 |
| PM10(µg/m³) | 131.30 | 13.70 |
| NO₂(µg/m³) | 48.30 | 9.70 |
| SO₂(µg/m³) | 20.10 | 3.90 |
| O₃(µg/m³) | 57.00 | 38.00 |
| CO(µg/m³) | 732.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Samastipur averaged an AQI of 134 while Thanjavur averaged 42 — a 92-point (219%) gap, with Samastipur the more polluted and Thanjavur the cleaner of the two. On 60 days when both cities reported, Thanjavur was cleaner on 60 of them; the average daily gap was 108 AQI points.
Seasonality & days
Samastipur peaks in January, while Thanjavur peaks in November. Samastipur logged 1.4% Severe days and 23.400000000000002% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Samastipur 9 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Samastipur reached AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Samastipur spans 1 CPCB stations with a 0-point spread (min 177, max 177); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
🏆 Thanjavur has better air quality with an AQI of 20 compared to Samastipur's 296. That's a significant difference of 276 points.