Aizawl vs Chapra
Side-by-side air quality comparison between Aizawl and Chapra.
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 | Aizawl | Chapra |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 99.00 |
| PM10(µg/m³) | 39.70 | 115.50 |
| NO₂(µg/m³) | 8.00 | 53.70 |
| SO₂(µg/m³) | 3.30 | 13.70 |
| O₃(µg/m³) | 48.00 | 10.00 |
| CO(µg/m³) | 254.00 | 858.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Chapra averaged 149 — a 103-point (224%) gap, with Chapra the more polluted and Aizawl the cleaner of the two. On 861 days when both cities reported, Aizawl was cleaner on 847 of them; the average daily gap was 153 AQI points.
Seasonality & days
Aizawl peaks in March, while Chapra peaks in January. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Chapra was 2.4% Severe and 26.8% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Chapra 14 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Chapra has improved by 181 AQI points (54.8%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Chapra hit AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Chapra spans 1 stations with a 0-point spread (min 195, max 195).
Verdict
🏆 Aizawl has better air quality with an AQI of 51 compared to Chapra's 231. That's a significant difference of 180 points.