Ariyalur vs Bareilly
Side-by-side air quality comparison between Ariyalur and Bareilly.
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 | Ariyalur | Bareilly |
|---|---|---|
| PM2.5(µg/m³) | 6.80 | 62.60 |
| PM10(µg/m³) | 8.30 | 85.70 |
| NO₂(µg/m³) | 7.50 | 26.50 |
| SO₂(µg/m³) | 6.50 | 8.90 |
| O₃(µg/m³) | 43.00 | 84.00 |
| CO(µg/m³) | 133.00 | 816.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Bareilly averaged 61 — a 15-point (33%) gap, with Bareilly the more polluted and Ariyalur the cleaner of the two. On 311 days when both cities reported, Ariyalur was cleaner on 230 of them; the average daily gap was 38 AQI points.
Seasonality & days
Ariyalur peaks in March, while Bareilly peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Bareilly was 0% Severe and 73.1% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Bareilly 51 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Bareilly has improved by 50 AQI points (45%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Bareilly hit AQI 292 at Rajendra Nagar (UPPCB) on 2022-11-03.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Bareilly spans 2 stations with a 12-point spread (min 71, max 83).
Verdict
🏆 Ariyalur has better air quality with an AQI of 11 compared to Bareilly's 110. That's a significant difference of 99 points.