Kolār vs Thanjavur
Side-by-side air quality comparison between Kolār and Thanjavur.
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 | Kolār | Thanjavur |
|---|---|---|
| PM2.5(µg/m³) | 5.80 | 6.60 |
| PM10(µg/m³) | 10.80 | 8.20 |
| NO₂(µg/m³) | 1.40 | 1.40 |
| SO₂(µg/m³) | 2.00 | 2.20 |
| O₃(µg/m³) | 86.00 | 102.00 |
| CO(µg/m³) | 137.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolār averaged an AQI of 65 while Thanjavur averaged 42 — a 23-point (55%) gap, with Kolār the more polluted and Thanjavur the cleaner of the two. On 48 days when both cities reported, Thanjavur was cleaner on 40 of them; the average daily gap was 15 AQI points.
Seasonality & days
Kolār peaks in September, while Thanjavur peaks in November. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
Both Kolār and Thanjavur have the same AQI of 11 right now.