Diu Air Quality Index (AQI) & Air Pollution Today

Dadra & Nagar Haveli and Daman & Diu, India — Real-time Air Quality Index (AQI) and PM2.5

Diu AQI Right Now

40

Category: Good

Dominant Pollutant: pm10

PM2.5: 10.03 µg/m³

PM10: 40.38 µg/m³

Last updated: 2026-03-24 — Data source: Google Air Quality API (NAQI). Live NAQI values load when you visit the page.

Diu Pollutant Levels

PollutantConcentration
PM2.510.03 µg/m³
PM1040.38 µg/m³
O₃ (Ozone)39.15 µg/m³
NO₂3.36 µg/m³
SO₂3 µg/m³
CO227.82 µg/m³

Health Advisory — Diu

Good: Minimal impact on health. Great day to be outdoors!

Health Impact — Diu

Cigarette Equivalent: Breathing this air is equivalent to smoking 0.5 cigarettes per day (based on current PM2.5 levels).

Health Recommendations for Diu

  • General Population: Air quality is satisfactory. Enjoy outdoor activities.
  • Elderly: No special precautions needed.
  • Children: Great day for outdoor play.
  • Lung Disease Patients: No restrictions on outdoor activities.

Understanding Diu Air Quality

Diu is a tiny island town of approximately 24,000 people, connected by a short bridge to the southern tip of Gujarat's Kathiawar coast. With its Portuguese colonial heritage, pristine beaches, and relaxed atmosphere (including being one of the few places in dry Gujarat where alcohol is permitted), Diu has developed into a popular tourist destination. The island's small size - roughly 40 square kilometres - and exposure to open ocean winds from the Arabian Sea on three sides mean that air quality is consistently excellent, among the best in western India.

The dry season from December through March marks a marginal increase in pollution, primarily driven by tourist traffic. Weekend and holiday visitors bring a surge of vehicles onto the island's small road network, temporarily increasing exhaust levels. Diesel generators provide supplementary power, and fishing boats and small craft contribute marine emissions near the jetty and harbour areas. Construction activity for hotel and resort development generates dust during the dry months. However, given the island's constant exposure to strong sea breezes and the absence of any industrial activity, these sources produce only negligible impacts on air quality - AQI remains in the Good category virtually year-round.

The monsoon (June–September) brings moderate to heavy rainfall and powerful coastal winds that keep air pristinely clean, though tourist numbers drop sharply during this period. The post-monsoon period (October–November) enjoys clean air and pleasant weather. Diu's air quality outlook is overwhelmingly positive - its island geography and oceanic winds provide a natural advantage that no amount of tourist development is likely to overcome. The primary environmental concern is not air quality but coastal erosion and marine pollution from growing tourist numbers.

Primary Pollution Sources

  • Vehicle exhaust (tourist traffic)
  • Diesel generator exhaust
  • Marine vessel emissions
  • Construction dust
  • Road dust

Geography: Small island town off the southern tip of Gujarat's Kathiawar peninsula in the Arabian Sea; connected to the mainland by a bridge, with a historic Portuguese fort and growing beach tourism

Peak pollution months: December, January, February, March

Frequently Asked Questions — Diu

What is the air quality like in Diu?

Diu consistently enjoys some of the cleanest air in western India, with AQI remaining in the Good category virtually year-round. The small island's exposure to Arabian Sea breezes on three sides, absence of industrial activity, and tiny population ensure that air quality is excellent regardless of season. Even during the peak tourist season (December–March), pollution levels remain negligible.

What causes air pollution in Diu?

Diu's minimal pollution comes from tourist vehicle exhaust during the peak season, diesel generators for supplementary power, fishing boat and marine craft emissions, and minor construction dust from tourism infrastructure. With no industry and constant sea breezes, these sources have negligible impact on the island's consistently excellent air quality.

Air Quality in Nearby Cities