Chittoor vs Guwahati
Side-by-side air quality comparison between Chittoor and Guwahati.
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 | Chittoor | Guwahati |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 31.90 |
| PM10(µg/m³) | 7.70 | 36.00 |
| NO₂(µg/m³) | 7.30 | 5.40 |
| SO₂(µg/m³) | 3.10 | 4.20 |
| O₃(µg/m³) | 47.00 | 97.00 |
| CO(µg/m³) | 212.00 | 393.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Guwahati averaged 123 — a 47-point (62%) gap, with Guwahati the more polluted and Chittoor the cleaner of the two. On 566 days when both cities reported, Chittoor was cleaner on 495 of them; the average daily gap was 98 AQI points.
Seasonality & days
Chittoor peaks in October, while Guwahati peaks in January. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Guwahati was 0.1% Severe and 44.9% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Guwahati 105 days.
Year-over-year progress
Chittoor has worsened by 5 AQI points (7%) from 2022 to 2024; Guwahati has worsened by 14 AQI points (12.8%) over the same window. The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Guwahati hit AQI 420 at Railway Colony (PCBA) on 2023-01-15.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Guwahati spans 4 stations with a 26-point spread (min 118, max 144).
Verdict
🏆 Chittoor has better air quality with an AQI of 10 compared to Guwahati's 54.