Bettiah vs Thanjavur
Side-by-side air quality comparison between Bettiah 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 | Bettiah | Thanjavur |
|---|---|---|
| PM2.5(µg/m³) | 99.70 | 11.30 |
| PM10(µg/m³) | 113.90 | 13.50 |
| NO₂(µg/m³) | 54.20 | 11.10 |
| SO₂(µg/m³) | 11.70 | 3.80 |
| O₃(µg/m³) | 4.00 | 34.00 |
| CO(µg/m³) | 1655.00 | 157.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Thanjavur averaged 42 — a 85-point (202%) gap, with Bettiah the more polluted and Thanjavur the cleaner of the two. On 52 days when both cities reported, Thanjavur was cleaner on 52 of them; the average daily gap was 121 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
🏆 Thanjavur has better air quality with an AQI of 19 compared to Bettiah's 233. That's a significant difference of 214 points.