Delhi vs Tirupati
Side-by-side air quality comparison between Delhi 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 | Delhi | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 78.50 | 5.10 |
| PM10(µg/m³) | 302.70 | 7.60 |
| NO₂(µg/m³) | 5.40 | 0.90 |
| SO₂(µg/m³) | 29.40 | 1.00 |
| O₃(µg/m³) | 249.00 | 96.00 |
| CO(µg/m³) | 387.00 | 130.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Tirupati averaged 75 — a 135-point (180%) gap, with Delhi the more polluted and Tirupati the cleaner of the two. On 499 days when both cities reported, Tirupati was cleaner on 496 of them; the average daily gap was 237 AQI points.
Seasonality & days
Delhi peaks in November, while Tirupati peaks in April. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Tirupati 36 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Tirupati has better air quality with an AQI of 9 compared to Delhi's 253. That's a significant difference of 244 points.