Ambala vs Thanjavur
Side-by-side air quality comparison between Ambala 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 | Ambala | Thanjavur |
|---|---|---|
| PM2.5(µg/m³) | 45.30 | 11.30 |
| PM10(µg/m³) | 93.40 | 13.50 |
| NO₂(µg/m³) | 17.20 | 11.10 |
| SO₂(µg/m³) | 10.80 | 3.80 |
| O₃(µg/m³) | 76.00 | 34.00 |
| CO(µg/m³) | 559.00 | 157.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ambala averaged an AQI of 94 while Thanjavur averaged 42 — a 52-point (124%) gap, with Ambala the more polluted and Thanjavur the cleaner of the two. On 63 days when both cities reported, Thanjavur was cleaner on 63 of them; the average daily gap was 107 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); 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 Ambala's 94. That's a significant difference of 75 points.