Air Pollution in Bangkok: Real-time Air Quality Index and smog alert.

Air pollution in Bangkok from August 2017 to May 2020

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2018-01 2017-12 2017-11 2017-10 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2017-09 2016-12 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2017-08
no2:ppm 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.01 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.01 (Good)
pm10 33 (Moderate) 39 (Moderate) 44 (Moderate) 72 (Unhealthy for Sensitive Groups) 71 (Unhealthy for Sensitive Groups) 64 (Unhealthy for Sensitive Groups) 57 (Unhealthy for Sensitive Groups) 47 (Moderate) 43 (Moderate) 30 (Moderate) 37 (Moderate) 36 (Moderate) 58 (Unhealthy for Sensitive Groups) 54 (Unhealthy for Sensitive Groups) 48 (Moderate) 42 (Moderate) 31 (Moderate) 44 (Moderate) 34 (Moderate) 38 (Moderate) 50 (Unhealthy for Sensitive Groups) 63 (Unhealthy for Sensitive Groups) 57 (Unhealthy for Sensitive Groups) 57 (Unhealthy for Sensitive Groups) 37 (Moderate) 29 (Moderate) 38 (Moderate) 28 (Moderate) 29 (Moderate) 29 (Moderate) 44 (Moderate) 52 (Unhealthy for Sensitive Groups) 56 (Unhealthy for Sensitive Groups) 44 (Moderate) 51 (Unhealthy for Sensitive Groups) 43 (Moderate) 44 (Moderate) 49 (Moderate) 41 (Moderate) 49 (Moderate) 48 (Moderate) 78 (Unhealthy for Sensitive Groups) 66 (Unhealthy for Sensitive Groups) 62 (Unhealthy for Sensitive Groups) 45 (Moderate) 37 (Moderate) 38 (Moderate) 80 (Unhealthy for Sensitive Groups) 36 (Moderate) 35 (Moderate) 34 (Moderate) 34 (Moderate) 43 (Moderate) 51 (Unhealthy for Sensitive Groups) 67 (Unhealthy for Sensitive Groups) 32 (Moderate)
co:ppm 0.71 (Good) 1 (Good) 1 (Good) 1.2 (Good) 1.2 (Good) 1.1 (Good) 1 (Good) 1.1 (Good) 0.98 (Good) 0.6 (Good) 0.66 (Good) 0.72 (Good) 1.1 (Good) 0.92 (Good) 1.1 (Good) 1.1 (Good) 0.9 (Good) 0.8 (Good) 0.65 (Good) 0.57 (Good) 1.5 (Good) 0.92 (Good) 1 (Good) 1.1 (Good) 0.78 (Good) 0.78 (Good) 0.61 (Good) 0.52 (Good) 0.69 (Good) 0.58 (Good) 0.59 (Good) 1.3 (Good) 1.4 (Good) 4.4 (Good) 1.1 (Good) 1.1 (Good) 0.99 (Good) 0.81 (Good) 0.86 (Good) 0.82 (Good) 0.75 (Good) 1.3 (Good) 1.4 (Good) 1.6 (Good) 1.2 (Good) 1.1 (Good) 0.92 (Good) 1.1 (Good) 0.64 (Good) 0.6 (Good) 0.63 (Good) 0.66 (Good) 0.87 (Good) 0.88 (Good) 1 (Good) 0.83 (Good)
o3:ppm 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.05 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.01 (Good) 0.02 (Good) 0.01 (Good) 0.02 (Good) 0.01 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.01 (Good)
so2:ppm 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0.04 (Good) 0 (Good) 0 (Good)
data source »

Quality of life in Bangkok

Green and Parks in the City

Bangkok 43%

laoPDR: 37% Cambodia: 36% Vietnam: 42% Myanmar: 33% Malaysia: 54%

particulate matter PM2.5

Bangkok 28 (Moderate)

Pleasure of spending time in the city

Bangkok 37%

laoPDR: 38% Cambodia: 32% Vietnam: 30% Myanmar: 24% Malaysia: 48%

particulate matter PM10

Bangkok 41 (Moderate)

Air Pollution

Bangkok 74%

laoPDR: 72% Cambodia: 68% Vietnam: 78% Myanmar: 83% Malaysia: 53%

Garbage Disposal

Bangkok 40%

laoPDR: 20% Cambodia: 25% Vietnam: 24% Myanmar: 12% Malaysia: 47%

Availability and quality of drinking water

Bangkok 50%

laoPDR: 51% Cambodia: 48% Vietnam: 43% Myanmar: 34% Malaysia: 56%

Cleanliness and tidiness

Bangkok 35%

laoPDR: 32% Cambodia: 25% Vietnam: 29% Myanmar: 18% Malaysia: 47%

Noise and Light pollution

Bangkok 59%

laoPDR: 55% Cambodia: 59% Vietnam: 65% Myanmar: 52% Malaysia: 49%

Water Pollution

Bangkok 70%

laoPDR: 73% Cambodia: 73% Vietnam: 73% Myanmar: 74% Malaysia: 62%
Source: Numbeo


Chong Nonsi, Yannawa

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2018-01 2017-12 2017-11 2017-10 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10
no2:ppm 0.01 0.01 0.02 0.03 0.03 0.04 0.04 0.03 0.02 0.01 0.02 0.01 0.03 0.04 0.03 0.03 - 0.02 0.03 0.02 0.03 0.04 0.04 0.03 - - 0.02 0.02 0.02 0.02 0.02 0.03 0.04 0.03 0.04 0.04 0.04
o3:ppm - 0.01 0.01 0.02 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 - - - - 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 - - 0.01 0.01 0.01 0.02 0.01 0.01 0.02 0.02 0.02 0.01 0.01
co:ppm - 0.45 0.34 0.52 0.59 0.52 0.54 0.49 0.48 0.29 0.3 - 1.8 - 1.6 1.8 1.5 1.3 0.86 0.6 1.3 1.1 1 1.1 0.44 0.54 0.42 0.44 0.63 0.7 0.86 0.73 1 0.81 1 1.2 1.3
so2:ppm - - - - - - 0 0 0 0.01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - - - 0 0 0 0 0 0 0 0 0 0
pm10 31 38 50 76 71 62 58 52 56 42 55 60 53 35 38 52 26 32 38 43 52 64 61 56 29 26 32 28 25 28 44 58 69 50 64 46 53

Din Daeng Rd., Din Daeng

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2017-09 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10
so2:ppm - - - - - - - - - - - - - - - - - - - - - - 0 0 0 0 0 0 0 0 0 0 0 0 - 0 0 0 0
co:ppm 1.2 1.2 1.3 1.4 1.5 1.5 1.5 2.2 1.6 1.2 1.5 1.4 1.3 1.2 1.6 1.7 2 2.1 2.1 1.6 1.6 - 5.5 1.2 1.5 1.5 1.6 0.71 1.1 0.78 0.83 1.2 0.94 1.4 1.1 1.1 1 0.78 0.71
no2:ppm 0.02 0.02 0.02 0.04 0.04 0.05 0.05 0.04 0.03 0.02 0.02 0.02 0.02 0.02 0.02 0.01 0.05 0.04 0.03 0.03 0.02 0.04 0.03 - 0.03 0.05 0.04 0.03 0.04 0.03 0.03 0.03 0.03 0.02 0.04 0.03 - 0.05 0.04
o3:ppm 0.02 0.02 0.03 0.03 0.02 0.02 0.01 0.02 0.01 0.01 0.02 0.02 0.02 0.01 0.01 0.02 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0 0.01 0.01 0.01 0.03 0 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0 0.01
pm10 47 61 62 93 92 84 80 73 68 52 70 66 74 55 50 52 97 85 78 67 53 81 70 57 102 94 77 69 48 46 42 44 44 51 80 64 75 68 67

Din Daeng, Din Daeng

index 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2016-01 2015-12 2015-11 2015-10
pm10 34 59 76 65 54 48 41 28 22 - - - - - - - - 42 45 36 38
so2:ppm - - - 0.01 0.01 0.01 0.01 0 0 0 0 0 0 0 0 0 0 0 0 0 0
o3:ppm 0.02 0.03 0.02 0.02 0.02 0.02 0.02 0.01 0.01 0.02 0.02 0.02 0.02 0.02 0.03 0.02 0.03 0.02 0.02 0.02 0.01
no2:ppm - - - - - - - - - - - - - - - - - 0 0 0 0
co:ppm - - - - - - - - 0.31 - - - - - - - 3.1 23 1.5 1.3 0.94

Hiran Ruchi, Thon Buri

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-07 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10
co:ppm 0.46 0.43 0.35 0.65 0.66 0.67 0.7 0.56 0.62 0.18 0.33 0.37 0.49 0.46 0.46 0.56 0.74 0.68 0.4 0.42 0.47 0.71 0.88 - - - 0.26 - 0.58 0.45 0.53 0.53 0.49 0.76 1.3
so2:ppm 0 0 0 0 0 0 0 0 0 - 0 0 0 0 0 0 0 0 0 0 0 - 0 0 0 0 - - 0 0 0 0 0 0 0
no2:ppm 0.01 0.01 0.01 0.02 0.03 0.04 0.03 0.02 0.02 0.01 0.01 0.01 0.01 - - - - 0.01 - 0.01 0.01 0.03 0.03 - - - 0.01 - 0.01 0.01 0.02 0.02 0.02 0.03 0.03
pm10 28 31 42 84 79 67 58 44 33 21 27 31 44 35 46 47 79 26 25 34 41 56 42 48 42 21 20 6.5 30 42 51 39 54 44 46
o3:ppm - 0 0 0 0 0.01 0.02 0.02 0.04 - 0.01 0 0.01 - 0.01 0.01 0.02 0.01 0.01 0.02 0.02 0.03 0.02 0.02 0.02 0.01 0.01 - 0.01 0.01 0.01 0.02 0.03 0.02 0.02

Intarapitak Rd., Thon Buri

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-02 2016-01 2015-12 2015-11 2015-10
o3:ppm 0.03 0.03 0.02 0.03 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.03 0.02 0.03 0.02 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.03 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.01 0.01
pm10 24 31 34 64 64 67 58 44 41 25 31 29 44 32 40 43 83 81 82 56 46 41 38 33 33 42 46 71 70 65 55 44 33 28 30 35 33 40 44 65 58 67 56 41 35 39 38 37 22 21 25 23 25
so2:ppm 0 0 0 0 0 0 0 0 0 0.01 0 0 0 0 0 - 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.01 0.01 0.01 0.01 0.01 0.01
no2:ppm 0.01 0.01 0.01 0.02 0.03 0.03 0.03 0.03 0.02 0.01 0.01 0.01 0.01 0 0.01 0.01 0.03 0.03 0.03 0.03 0.02 0.01 0.01 0.01 0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.02 0.02 0 0.01 0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.02 0.01 0.01 0.01 0.02 - - 0.01 0.01 0.01
co:ppm 0.38 0.45 0.4 0.7 0.75 0.72 0.59 0.53 0.52 0.29 0.45 0.66 0.69 0.59 0.63 0.59 0.86 0.92 0.9 0.88 0.81 0.73 0.78 0.55 0.61 0.49 0.69 0.78 0.86 0.79 0.86 1 0.66 0.55 0.7 0.67 0.63 0.49 0.44 0.76 0.85 1.1 1.2 1.4 0.99 0.36 0.46 0.69 - - - - -

Khlong Chan, Bang kapi

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10
no2:ppm 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.02 0.02 0.01 0.01 0.02 0.01 0.01 0.01 0.01 0.03 0.02 0.02 - 0.01 - 0.01 0.02 0.02 0.02 0.02 0.03 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.01 0.01 0.02 0.02 0.03 0.02 0.02
pm10 20 28 31 62 59 57 47 34 28 16 25 25 33 26 34 36 70 55 44 30 18 18 26 29 38 46 63 58 48 41 34 26 19 19 27 28 34 33 62 46 53 37 29 21 26 23 20 25 41 55 67 44 56 39 35
o3:ppm - 0.03 0.02 0.03 0.02 0.03 0.02 0.02 0.02 0.01 0.01 0.01 0.02 0.02 0.02 0.02 0.02 0.02 0.02 - 0.01 0.02 0.02 0.02 0.03 0.03 0.04 0.03 0.03 0.03 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.03 0.04 0.02 0.02 0.02 0.03 0.02 0.03 0.02 0.02 0.03 0.03 0.04 0.04 0.02 0.03 0.02 0.03

Lat Phrao Rd., Wang Thonglang

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10
o3:ppm - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 0.02 0.01 0.01 0.01 0.01
pm10 27 39 37 70 68 68 62 49 42 24 36 30 44 34 44 47 89 81 84 48 37 33 36 33 37 46 50 71 71 68 63 48 35 28 25 33 22 23 22 21 18 18
so2:ppm - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 0 0 0 0 0.01 -
co:ppm 0.53 0.62 1.3 1.5 1.5 0.87 0.95 0.93 0.96 0.54 0.73 0.78 0.82 1.3 1 0.65 1.5 1.4 1.4 1.1 0.93 0.62 0.64 0.64 0.76 1.1 0.73 0.94 1.1 1.2 1.2 1.1 0.87 0.68 0.58 0.57 4.6 4.4 7.9 2.5 1.8 -
no2:ppm 0.02 0.02 0.02 0.03 0.03 0.04 0.04 0.03 0.03 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.04 0.04 0.04 0.03 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.04 0.04 0.03 0.02 0.02 0.02 0.01 0.02 - - - - - -

Phaya Thai, Khet Phaya Thai

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01
co:ppm 0.78 0.31 0.31 0.31 0.5 0.46 0.38 0.32 0.45 0.44 0.49 0.45 0.63 0.65 0.75 0.8 1.1 1.6 1.3 1.1 1.1 0.92 0.75 0.75 1.1 0.89 1.4 1.5 0.97
no2:ppm 0.01 0.01 0.01 0.02 0.02 0.03 0.03 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.03 0.03 0.03 0.02 0.02 0.01 0.01 0.01 0.02 0.02 0.02 0.02 0.02
o3:ppm 0.03 0.04 0.03 0.04 0.04 0.03 0.03 0.03 0.02 0.01 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.02 0.02 0.01 0.01 0.02 0.01 0.03 0.03 0.03 0.01
pm10 26 32 34 56 53 51 43 35 29 21 22 21 33 27 32 34 65 52 47 30 25 24 26 23 25 35 40 60 28

Pubpla, Wang Thonglang

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10
so2:ppm - - - - 0 0 0 0 0 - - 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.12 0.01 0 0 0 0 0 0 0 0 0 0.01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
pm10 27 40 39 69 69 65 55 45 39 25 31 29 44 35 43 44 78 64 58 38 30 28 31 31 32 43 45 63 58 51 41 35 27 18 21 109 28 35 41 60 53 55 95 33 24 28 28 23 27 40 52 62 55 57 45 45
no2:ppm 0.01 0.01 0.01 0.02 0.02 0.03 0.03 0.02 0.02 0.01 0.01 0.02 0.02 0.01 0.01 0.01 0.04 0.03 0.03 0.01 0.01 0 0.01 0.01 0.02 0.01 0.01 0.01 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.01 0.01 0.02 0.02 0.02 0.01 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.02 0.02 0.03 0.02 0.02
o3:ppm 0 0 0 0 0 0 0 0 0 0 0 0.01 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.02 0.01 0.01 0.02 0.02 0.03 0.02 0.03 0.04 0.04 0.03 0.18 0.02 0.01 0.01 0.01 0.02 0.03 0.01 0.03 0.03 0.03 0.02 0.02 0.02 0.01 0.02 0.02 0.03 0.03 0.03 0.03 0.02 0.03 0.02 0.02

Rama IV Rd., Pathum Wan

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2016-12 2016-08
pm10 34 43 49 78 69 65 60 50 50 34 44 42 60 38 49 51 88 75 72 53 48 44 50 39 39 47 54 72 68 65 61 52 47 40 43 44 248 91
co:ppm 0.94 0.9 0.97 1.1 1.4 1.5 0.97 1.2 1.2 0.72 0.96 0.92 0.97 0.68 0.74 0.58 1.2 1.4 1.3 1.7 1.6 - - - - 1.6 1.1 1.2 1.3 1.2 1.3 1.4 1.3 0.98 0.95 0.91 0.86 1
no2:ppm 0.02 0.02 0.02 0.03 0.03 0.04 0.04 0.03 0.03 0.02 0.02 0.02 0.03 0.02 0.03 0.03 0.05 0.04 0.04 0.04 0.03 0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.04 0.04 0.03 0.03 0.02 0.02 0.02 0.02 - -

Samae Dam, Bang Khun Thian

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10
no2:ppm 0.01 0.02 0.01 0.01 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.02 0.03 0.04 0.04 0.05 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.04 0.04 0.05 0.05 0.04 0.03 0.03 0.03 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.02 0.02 0.01 0.01 0.01 0 0.01 0.02 0.02 0.03 0.03 0.03
o3:ppm - - - - - - - - 0 0 0 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.01 0.02 0.01 0 0 0 0 0.01 0.01 0.01 0.01 0.02 0.02 0 0 0.01 0 0 0.01 0.01 0.02 0.01 0.01 0.01 0.01 0.01 0.02 0.03 0.03 0.03 0.02 0.02 0.02 0.01
pm10 51 47 57 87 88 75 70 60 66 55 61 55 68 69 69 62 101 76 77 66 74 69 70 64 51 56 62 78 79 65 64 66 62 66 64 62 54 49 60 51 34 34 29 26 24 38 52 70 50 72 65 72
co:ppm - 3.7 3.3 3.3 3 2.9 2.8 2.6 2.4 1.5 1.2 0.92 0.71 1.1 0.95 0.67 1.5 1.4 1.1 0.85 0.74 0.3 0.24 0.6 0.21 0.31 0.48 0.69 0.74 0.68 0.7 0.69 0.57 0.64 0.72 0.66 0.56 0.55 0.7 0.61 0.55 0.51 0.54 0.38 0.28 0.36 0.49 0.7 0.38 0.72 0.9 0.86

Samsen Nai, Khet Phaya Thai

index 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10
no2:ppm 0.03 0.02 - 0.02 0.02 0.01 0.01 0.01 0.02 0.01 0.02 0.02 0.02 0.03 0.03 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.02 0.02
pm10 54 49 40 26 23 - 23 27 30 34 40 57 47 52 40 29 22 27 22 21 24 39 48 57 42 51 50 46
co:ppm 0.99 0.63 0.81 0.84 1.3 1.3 0.99 0.82 0.81 0.76 0.83 0.86 0.9 0.97 0.94 0.79 0.8 0.71 0.65 0.7 0.62 0.64 0.79 0.8 0.76 0.85 0.84 0.88
o3:ppm 0.02 0.03 0.03 0.01 0.02 0.01 0.01 0.02 0.02 0.03 0.03 0.03 0.02 0.03 0.02 0.01 0.01 0.01 0.01 0.01 0.03 0.04 0.03 0.03 0.02 0.02 0.02 0.02

Bang Kruai, Bang Kruai

index 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11
pm10 30 40 62 63 60 - 43 37 23 29 28 41 40 71 57 53 31 24 24 24 35 38 60 51 47 41 37 31 25 55 82 65 61 46 34 28 33 31 29 30 40 49 59 47 53 46
so2:ppm - - 0 0 0 0 0 0 0 0 0 - 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.01 0.01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
co:ppm - - 1.2 1.1 1.1 0.95 0.82 0.61 0.28 0.35 0.26 0.4 0.45 1.1 1.1 1.8 1.3 - - - - - - - - 0.84 0.96 0.79 - 0.63 0.95 0.88 0.9 0.88 0.69 0.75 0.51 0.48 0.53 0.35 0.53 0.56 1.1 1 0.95 0.99
no2:ppm - - - 0.03 0.03 0.03 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.03 0.03 0.03 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.02 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.01 0.01 0.01 0.01 0.02 0.01 0.01 0.02 0.03 0.02 0.02 0.03
o3:ppm - - 0.03 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.02 0.01 0.01 0 0 - - - - - - - - - - - - - 0.03 0.01 0.01 0.01 - - - 0.01 0.04 0.01 0.03 0.04 0.04 0.03 0.02 0.03 0.01

Na An, Mueang

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-03 2017-02 2017-01 2016-12 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2016-02 2016-01 2015-12 2015-11 2015-10
pm10 46 49 69 73 67 54 38 33 30 22 26 21 42 59 92 69 39 29 26 27 18 23 20 27 26 49 77 66 45 51 33 28 23 75 61 36 40 28 29 24 38 53 78 89 60 47 39 32 41

* Pollution data source: https://openaq.org (Thailand) The data is licensed under CC-By 4.0