Bikaner vs Chapra
Side-by-side air quality comparison between Bikaner 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 | Bikaner | Chapra |
|---|---|---|
| PM2.5(µg/m³) | 67.50 | 102.90 |
| PM10(µg/m³) | 210.00 | 117.10 |
| NO₂(µg/m³) | 3.50 | 42.70 |
| SO₂(µg/m³) | 2.20 | 15.30 |
| O₃(µg/m³) | 52.00 | 46.00 |
| CO(µg/m³) | 146.00 | 805.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bikaner averaged an AQI of 154 while Chapra averaged 149 — a 5-point (3%) gap, with Bikaner the more polluted and Chapra the cleaner of the two. On 570 days when both cities reported, Bikaner was cleaner on 289 of them; the average daily gap was 64 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bikaner logged 0.1% Severe days and 21.6% Good-or-Satisfactory days; Chapra was 2.4% Severe and 26.8% Good-or-Satisfactory. Longest clean-air streaks: Bikaner 15 days, Chapra 14 days.
Year-over-year progress
Bikaner has improved by 16 AQI points (9.4%) from 2023 to 2024; Chapra has improved by 181 AQI points (54.8%) over the same window. The worst recorded day for Bikaner reached AQI 403 at MM Ground (RSPCB) on 2024-11-17; Chapra hit AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20.
Station-level disparity
Bikaner spans 1 CPCB stations with a 0-point spread (min 162, max 162); Chapra spans 1 stations with a 0-point spread (min 195, max 195).
Verdict
🏆 Bikaner has better air quality with an AQI of 174 compared to Chapra's 244. That's a significant difference of 70 points.