Surat vs Tonk
Side-by-side air quality comparison between Surat 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 | Surat | Tonk |
|---|---|---|
| PM2.5(µg/m³) | 23.90 | 34.90 |
| PM10(µg/m³) | 45.10 | 75.90 |
| NO₂(µg/m³) | 22.90 | 14.10 |
| SO₂(µg/m³) | 38.50 | 4.50 |
| O₃(µg/m³) | 33.00 | 38.00 |
| CO(µg/m³) | 249.00 | 239.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Surat averaged an AQI of 83 while Tonk averaged 142 — a 59-point (71%) gap, with Tonk the more polluted and Surat the cleaner of the two. On 453 days when both cities reported, Surat was cleaner on 325 of them; the average daily gap was 75 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Surat logged 0% Severe days and 55.9% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Surat 55 days, Tonk 11 days.
Year-over-year progress
Surat has improved by 139 AQI points (62.6%) from 2022 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Surat reached AQI 384 at Science Center (SMC) on 2023-08-19; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Surat spans 1 CPCB stations with a 0-point spread (min 123, max 123); Tonk spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Surat has better air quality with an AQI of 45 compared to Tonk's 76.