Ambala vs Tirupati
Side-by-side air quality comparison between Ambala and Tirupati.
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 | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 44.90 | 8.70 |
| PM10(µg/m³) | 117.80 | 10.00 |
| NO₂(µg/m³) | 13.20 | 8.40 |
| SO₂(µg/m³) | 11.50 | 2.40 |
| O₃(µg/m³) | 100.00 | 58.00 |
| CO(µg/m³) | 547.00 | 153.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ambala averaged an AQI of 94 while Tirupati averaged 75 — a 19-point (25%) gap, with Ambala the more polluted and Tirupati the cleaner of the two. On 451 days when both cities reported, Tirupati was cleaner on 331 of them; the average daily gap was 54 AQI points.
Seasonality & days
Ambala peaks in November, while Tirupati peaks in April. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Tirupati 36 days.
Year-over-year progress
Ambala has improved by 52 AQI points (35.6%) from 2019 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Tirupati has better air quality with an AQI of 15 compared to Ambala's 113. That's a significant difference of 98 points.