Chapra vs Tonk
Side-by-side air quality comparison between Chapra 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 | Chapra | Tonk |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 34.90 |
| PM10(µg/m³) | 115.50 | 75.90 |
| NO₂(µg/m³) | 53.70 | 14.10 |
| SO₂(µg/m³) | 13.70 | 4.50 |
| O₃(µg/m³) | 10.00 | 38.00 |
| CO(µg/m³) | 858.00 | 239.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Tonk averaged 142 — a 7-point (5%) gap, with Chapra the more polluted and Tonk the cleaner of the two. On 503 days when both cities reported, Tonk was cleaner on 306 of them; the average daily gap was 71 AQI points.
Seasonality & days
Chapra peaks in January, while Tonk peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Tonk 11 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); 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 Chapra's 231. That's a significant difference of 155 points.