Bareilly vs Karur
Side-by-side air quality comparison between Bareilly and Karur.
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 | Bareilly | Karur |
|---|---|---|
| PM2.5(µg/m³) | 76.40 | 3.80 |
| PM10(µg/m³) | 106.60 | 4.40 |
| NO₂(µg/m³) | 44.80 | 7.30 |
| SO₂(µg/m³) | 9.80 | 2.70 |
| O₃(µg/m³) | 39.00 | 37.00 |
| CO(µg/m³) | 976.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bareilly averaged an AQI of 61 while Karur averaged 71 — a 10-point (16%) gap, with Karur the more polluted and Bareilly the cleaner of the two. On 71 days when both cities reported, Bareilly was cleaner on 36 of them; the average daily gap was 41 AQI points.
Seasonality & days
Bareilly peaks in November, while Karur peaks in December. Bareilly logged 0% Severe days and 73.1% Good-or-Satisfactory days; Karur was 0% Severe and 80.3% Good-or-Satisfactory. Longest clean-air streaks: Bareilly 51 days, Karur 34 days.
Year-over-year progress
The worst recorded day for Bareilly reached AQI 292 at Rajendra Nagar (UPPCB) on 2022-11-03; Karur hit AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26.
Station-level disparity
Bareilly spans 2 CPCB stations with a 12-point spread (min 71, max 83); Karur spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Karur has better air quality with an AQI of 6 compared to Bareilly's 155. That's a significant difference of 149 points.