Motihari vs Tirupati
Side-by-side air quality comparison between Motihari 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 | Motihari | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 152.70 | 8.70 |
| PM10(µg/m³) | 170.90 | 10.00 |
| NO₂(µg/m³) | 59.80 | 8.40 |
| SO₂(µg/m³) | 22.90 | 2.40 |
| O₃(µg/m³) | 45.00 | 58.00 |
| CO(µg/m³) | 1174.00 | 153.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Motihari averaged an AQI of 116 while Tirupati averaged 75 — a 41-point (55%) gap, with Motihari the more polluted and Tirupati the cleaner of the two. On 413 days when both cities reported, Tirupati was cleaner on 339 of them; the average daily gap was 98 AQI points.
Seasonality & days
Motihari peaks in November, while Tirupati peaks in April. Motihari logged 1.2% Severe days and 39.1% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Tirupati 36 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); 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 Motihari's 326. That's a significant difference of 311 points.