Ambala vs Tirunelveli
Side-by-side air quality comparison between Ambala and Tirunelveli.
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 | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 56.80 | 2.00 |
| PM10(µg/m³) | 204.40 | 2.70 |
| NO₂(µg/m³) | 1.50 | 1.10 |
| SO₂(µg/m³) | 15.40 | 0.60 |
| O₃(µg/m³) | 206.00 | 52.00 |
| CO(µg/m³) | 359.00 | 101.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ambala averaged an AQI of 94 while Tirunelveli averaged 30 — a 64-point (213%) gap, with Ambala the more polluted and Tirunelveli the cleaner of the two. On 110 days when both cities reported, Tirunelveli was cleaner on 110 of them; the average daily gap was 79 AQI points.
Seasonality & days
Ambala peaks in November, while Tirunelveli peaks in October. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 3 compared to Ambala's 170. That's a significant difference of 167 points.