March 10, 2026
Pattaya Air Quality Guide - Sources, Seasons, and Health Implications
A guide to air quality in Pattaya, Thailand - sources, seasonal patterns, health implications, and how to track conditions in real time.
Air quality overview
Pattaya is a city of approximately 120,000 residents in Thailand. Based on multi-year averages, its air quality runs moderate, with seasonal swings into unhealthy ranges.
See live readings: Pattaya live AQI →
What drives air pollution in Pattaya
The dominant pollution sources affecting Thailand cities like Pattaya are:
- motorcycle and two-wheeler exhaust (often without modern emissions controls)
- biomass and crop burning in the dry season
- transboundary haze from Indonesian palm-oil and peatland fires
- industrial zones around major ports
- coal-fired power plants in surrounding regions
Seasonal pattern
Dry season (typically February through April or May depending on country) brings the year's worst air quality due to crop burning and accumulated haze. Wet season (May-October) flushes pollutants out of the atmosphere.
Geography and meteorology
Pattaya sits at approximately 12.93° latitude, 100.88° longitude. Many Southeast Asian cities sit in tropical lowlands or river deltas. Prevailing winds during the dry season can transport haze across hundreds of kilometers from agricultural fires.
Health implications
Sensitive groups should monitor daily readings. Plan outdoor activity for cleaner-air windows. The most-studied pollutant for population health is fine particulate matter (PM2.5). Exposure is linked to cardiovascular disease, respiratory illness, and increased mortality. Children, the elderly, and people with respiratory or cardiac conditions face elevated risk.
Other pollutants commonly elevated in urban areas:
- Ozone (O3) - peaks on hot, sunny afternoons
- Nitrogen dioxide (NO2) - traffic-correlated, peaks at rush hours
- PM10 - includes road dust and coarse particles
Policy and trajectory
ASEAN's Transboundary Haze Pollution Agreement coordinates regional response. Domestic policies vary widely; some cities have introduced low-emission zones and vehicle inspections.
Practical guidance for residents and visitors
- Check the AQI before outdoor exercise. If readings exceed 100, sensitive groups should reduce intensity. Above 150, everyone should consider shifting indoors.
- Wear an N95 or KN95 during peaks. Cloth masks do not filter PM2.5.
- Run a HEPA air purifier in bedrooms. Indoor levels typically track 50-70% of outdoor levels in unfiltered homes - see our air purifier buyer's guide.
- Use mechanical ventilation with HEPA filtration when AQI is high; avoid simply opening windows.
- Subscribe to free email alerts for Pattaya - we email when AQI crosses your threshold: set up alerts →
How we track Pattaya
Live readings refresh every 30 minutes via atmos.today. See methodology and attribution for data sources.
Compare nearby and notable cities
Live Pattaya air quality: /thailand/pattaya. Methodology: /about. Reviewed: May 2, 2026.