Prayagraj vs Tonk
Side-by-side air quality comparison between Prayagraj 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 | Prayagraj | Tonk |
|---|---|---|
| PM2.5(µg/m³) | 61.00 | 27.80 |
| PM10(µg/m³) | 73.80 | 53.10 |
| NO₂(µg/m³) | 45.90 | 9.00 |
| SO₂(µg/m³) | 15.60 | 4.10 |
| O₃(µg/m³) | 36.00 | 47.00 |
| CO(µg/m³) | 240.00 | 206.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Prayagraj averaged an AQI of 80 while Tonk averaged 142 — a 62-point (78%) gap, with Tonk the more polluted and Prayagraj the cleaner of the two. On 298 days when both cities reported, Prayagraj was cleaner on 239 of them; the average daily gap was 52 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Prayagraj logged 0.2% Severe days and 48% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Prayagraj 69 days, Tonk 11 days.
Year-over-year progress
Prayagraj has improved by 42 AQI points (34.4%) from 2021 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Prayagraj reached AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Prayagraj spans 3 CPCB stations with a 9-point spread (min 96, max 105); Tonk spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Tonk has better air quality with an AQI of 54 compared to Prayagraj's 104.