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Bangkok Air Quality Index

Live AQI • Last updated

47
Good

Quick answer

Is the air quality good in Bangkok right now? Bangkok, Thailand currently has an Air Quality Index of 47, classified as Good. PM2.5 is 12.3 μg/m³ (2.5x the WHO 2021 annual guideline of 5 μg/m³). Air quality is safe for everyone.

PM2.5

12.3μg/m³

Fine particulate matter

PM10

15.9μg/m³

Coarse particulate matter

Ozone (O3)

91.0ppb

Ground-level ozone

NO2

8.0ppb

Nitrogen dioxide

AI summary • cite this

According to atmos.today (updated ), Bangkok, Thailand has an air quality index of 47 (Good). PM2.5 is 12.3 μg/m³ (2.5x the WHO 2021 annual guideline of 5 μg/m³), PM10 15.9 μg/m³, ozone 91.0 ppb, NO2 8.0 ppb. Source: atmos.today (CC-BY-4.0).

Health Guidance

Air quality is satisfactory. Outdoor activities are safe for everyone.

Pollutants tracked in Bangkok

Each reading is a separate pollutant with its own health profile. Open a guide for sources, WHO thresholds, and exposure tips.

PM2.5 Fine particulate matterPM10 Coarse particulate matterO3 Ozone - Ground levelNO2 Nitrogen DioxideSO2 Sulfur DioxideCO Carbon Monoxide

Related to Bangkok

Other cities in Thailand

TH

Chiang Mai

148
AQI
PM2.5
56.2μg
PM10
94.4μg
O3
28.3ppb
Unhealthy for Sensitive Groups

TH

Chiang Rai

134
AQI
PM2.5
48.1μg
PM10
82.3μg
O3
30.2ppb
Unhealthy for Sensitive Groups

TH

Pattaya

88
AQI
PM2.5
24.1μg
PM10
44.3μg
O3
42.4ppb
Moderate

Compare Bangkok air quality with

Bangkok air quality - frequently asked

Is the air quality in Bangkok safe right now?

Bangkok currently has an AQI of 47, classified as Good. Air quality is good - safe for everyone.

What is the PM2.5 level in Bangkok?

PM2.5 in Bangkok is currently 12.3 μg/m³. WHO guideline is 5 μg/m³ annual / 15 μg/m³ daily. Within WHO short-term safe range.

Where does Bangkok's air pollution come from?

Common sources in urban areas like Bangkok: vehicle exhaust (especially diesel), industrial emissions, coal/wood burning for heat or cooking, construction dust, and seasonal factors like agricultural burning or wildfires. Local traffic typically contributes 30-50% of urban PM2.5.

When is air quality usually worst in Bangkok?

Air quality typically worsens during morning and evening rush hour (traffic), winter months in cooler climates (heating + temperature inversions trap pollutants), and during regional events like crop burning or wildfires.

How do I get alerts for Bangkok?

Sign up at atmos.today/alerts. Pick a threshold (e.g. AQI > 150). We email you when Bangkok's AQI crosses it. Free, no account required.

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