Motihari vs Tonk
Side-by-side air quality comparison between Motihari and Tonk.
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 | Tonk |
|---|---|---|
| PM2.5(µg/m³) | 156.00 | 34.90 |
| PM10(µg/m³) | 175.10 | 75.90 |
| NO₂(µg/m³) | 76.90 | 14.10 |
| SO₂(µg/m³) | 22.40 | 4.50 |
| O₃(µg/m³) | 0.00 | 38.00 |
| CO(µg/m³) | 1456.00 | 239.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Motihari averaged an AQI of 116 while Tonk averaged 142 — a 26-point (22%) gap, with Tonk the more polluted and Motihari the cleaner of the two. On 477 days when both cities reported, Motihari was cleaner on 310 of them; the average daily gap was 52 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Motihari logged 1.2% Severe days and 39.1% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Tonk 11 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); Tonk spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Tonk has better air quality with an AQI of 76 compared to Motihari's 328. That's a significant difference of 252 points.