The Article Processing Charge (APC) varies based on the country of payment:

• For the US and other countries: $50 USD
• For the UK: £45 GBP (approximately $50 USD)
• For other European nations: €48 EUR (approximately $50 USD)
• For China: ¥364YEN
• For Canada: C$68.28
• For Australia: A$74
• For India: ₹‎4,200INR
• For Nigeria: N58,700 NGN

These rates ensure a standardized fee across different currencies for our global contributors. Additionally, authors may apply for a discount on the APC if needed.

Upon acceptance of their submitted articles, authors will be sent detailed payment instructions. For immediate payment, authors can use the following PayPal link:

Several reasons could qualify an author for a discount on the Article Processing Charge (APC) at Air Journal. These reasons may include:

1. Financial Hardship: Authors facing financial difficulties or coming from low-income countries may be eligible for a discount.
2. Early Career Researchers: Discounts may be offered to early career researchers or students who may have limited funding.
3. Institutional Support: Authors affiliated with institutions that do not provide sufficient funding for publication costs can apply for a discount.
4. Multiple Submissions: Authors who have multiple submissions within a short period might qualify for a discount.
5. Collaborative Projects: Discounts may be available for authors involved in collaborative projects with institutions from low-income countries.
6. Exceptional Cases: Any other compelling reason that warrants financial assistance, as evaluated by the journal’s editorial team.

Authors are encouraged to contact the journal with their specific circumstances to discuss potential eligibility for a discount.