Charkhi Dādri vs Tirupati
Side-by-side air quality comparison between Charkhi Dādri 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 | Charkhi Dādri | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 64.70 | 8.70 |
| PM10(µg/m³) | 194.20 | 10.00 |
| NO₂(µg/m³) | 12.60 | 8.40 |
| SO₂(µg/m³) | 9.40 | 2.40 |
| O₃(µg/m³) | 83.00 | 58.00 |
| CO(µg/m³) | 490.00 | 153.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Charkhi Dādri averaged an AQI of 145 while Tirupati averaged 75 — a 70-point (93%) gap, with Charkhi Dādri the more polluted and Tirupati the cleaner of the two. On 487 days when both cities reported, Tirupati was cleaner on 416 of them; the average daily gap was 90 AQI points.
Seasonality & days
Charkhi Dādri peaks in November, while Tirupati peaks in April. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Tirupati 36 days.
Year-over-year progress
Charkhi Dādri has improved by 51 AQI points (26%) from 2020 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); 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 Charkhi Dādri's 163. That's a significant difference of 148 points.