Motihari vs Tumkur
Side-by-side air quality comparison between Motihari and Tumkur.
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 | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 152.70 | 3.40 |
| PM10(µg/m³) | 170.90 | 4.50 |
| NO₂(µg/m³) | 59.80 | 6.40 |
| SO₂(µg/m³) | 22.90 | 1.30 |
| O₃(µg/m³) | 45.00 | 35.00 |
| CO(µg/m³) | 1174.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Motihari averaged an AQI of 116 while Tumkur averaged 88 — a 28-point (32%) gap, with Motihari the more polluted and Tumkur the cleaner of the two. On 435 days when both cities reported, Tumkur was cleaner on 270 of them; the average daily gap was 62 AQI points.
Seasonality & days
Motihari peaks in November, while Tumkur peaks in December. Motihari logged 1.2% Severe days and 39.1% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Tumkur 20 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 6 compared to Motihari's 326. That's a significant difference of 320 points.