Samastipur vs Tumkur
Side-by-side air quality comparison between Samastipur 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 | Samastipur | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 118.70 | 3.40 |
| PM10(µg/m³) | 131.30 | 4.50 |
| NO₂(µg/m³) | 48.30 | 6.40 |
| SO₂(µg/m³) | 20.10 | 1.30 |
| O₃(µg/m³) | 57.00 | 35.00 |
| CO(µg/m³) | 732.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Samastipur averaged an AQI of 134 while Tumkur averaged 88 — a 46-point (52%) gap, with Samastipur the more polluted and Tumkur the cleaner of the two. On 422 days when both cities reported, Tumkur was cleaner on 319 of them; the average daily gap was 74 AQI points.
Seasonality & days
Samastipur peaks in January, while Tumkur peaks in December. Samastipur logged 1.4% Severe days and 23.400000000000002% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Samastipur 9 days, Tumkur 20 days.
Year-over-year progress
Samastipur has improved by 84 AQI points (38.5%) from 2022 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Samastipur reached AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Samastipur spans 1 CPCB stations with a 0-point spread (min 177, max 177); 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 Samastipur's 296. That's a significant difference of 290 points.