Saharsa vs Tirupati
Side-by-side air quality comparison between Saharsa 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 | Saharsa | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 99.90 | 8.70 |
| PM10(µg/m³) | 105.70 | 10.00 |
| NO₂(µg/m³) | 26.10 | 8.40 |
| SO₂(µg/m³) | 13.00 | 2.40 |
| O₃(µg/m³) | 62.00 | 58.00 |
| CO(µg/m³) | 670.00 | 153.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Saharsa averaged an AQI of 139 while Tirupati averaged 75 — a 64-point (85%) gap, with Saharsa the more polluted and Tirupati the cleaner of the two. On 428 days when both cities reported, Tirupati was cleaner on 357 of them; the average daily gap was 129 AQI points.
Seasonality & days
Saharsa peaks in January, while Tirupati peaks in April. Saharsa logged 1.4% Severe days and 28.4% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Saharsa 20 days, Tirupati 36 days.
Year-over-year progress
Saharsa has improved by 139 AQI points (50%) from 2021 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Saharsa reached AQI 454 at Police Line (BSPCB) on 2022-12-13; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Saharsa spans 1 CPCB stations with a 0-point spread (min 188, max 188); 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 Saharsa's 234. That's a significant difference of 219 points.