Bilaspur vs Tonk
Side-by-side air quality comparison between Bilaspur 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 | Bilaspur | Tonk |
|---|---|---|
| PM2.5(µg/m³) | 38.80 | 27.80 |
| PM10(µg/m³) | 47.40 | 53.10 |
| NO₂(µg/m³) | 22.60 | 9.00 |
| SO₂(µg/m³) | 15.90 | 4.10 |
| O₃(µg/m³) | 56.00 | 47.00 |
| CO(µg/m³) | 481.00 | 206.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Tonk averaged 142 — a 81-point (133%) gap, with Tonk the more polluted and Bilaspur the cleaner of the two. On 488 days when both cities reported, Bilaspur was cleaner on 439 of them; the average daily gap was 82 AQI points.
Seasonality & days
Bilaspur peaks in December, while Tonk peaks in November. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Tonk 11 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); 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 Bilaspur's 65.