Doi Luang, Chiang Rai, Thailand Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

July Air Quality Analysis
Doi Luang, Chiang Rai, Thailand

2024

2025

AQI

Days

Days	2025	2024
Jul. 1	50	32
Jul. 2	43	33
Jul. 3		32
Jul. 4		35
Jul. 5		34
Jul. 6		37
Jul. 7		37
Jul. 8		41
Jul. 9		39
Jul. 10		33
Jul. 11		27
Jul. 12		28
Jul. 13		29
Jul. 14		31
Jul. 15		38
Jul. 16		39
Jul. 17		39
Jul. 18		40
Jul. 19		36
Jul. 20		36
Jul. 21		34
Jul. 22		39
Jul. 23		41
Jul. 24		43
Jul. 25		33
Jul. 26		37
Jul. 27		38
Jul. 28		40
Jul. 29		38
Jul. 30		40
Jul. 31		35

AQI Trends: Highest and Lowest

Highest AQI recorded on

1st Jul 2025

50AQI

Lowest AQI recorded on

11th Jul 2024

27AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 43 of Good air quality on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Doi Luang, Chiang Rai, Thailand

AQI

Day

Night

5 AM2nd Jul 2025

7 PM

4 AM3rd Jul 2025

Day time

Avg. Highest Time

6AM2nd Jul

49AQI

Avg. Lowest Time

8AM2nd Jul

29AQI

Night time

Avg. Highest Time

12AM3rd Jul

49AQI

Avg. Lowest Time

11PM2nd Jul

34AQI

In the last 24 hours,

Doi Luang's AQI reached its highest point of 49 at 6 AM during the Day, while the lowest point, 29, was recorded at 8 AM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Doi Luang, Chiang Rai, Thailand

JunJul

03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd

Day

Night

26°C23/30°C

27°C22/33°C

27°C23/33°C

27°C22/32°C

27°C23/33°C

28°C24/33°C

27°C24/33°C

25°C23/30°C

25°C22/29°C

27°C23/33°C

28°C23/34°C

27°C24/31°C

26°C23/31°C

25°C23/28°C

24°C23/27°C

24°C22/26°C

25°C22/30°C

25°C23/28°C

24°C23/24°C

24°C23/25°C

24°C23/28°C

25°C22/29°C

25°C22/30°C

26°C23/30°C

24°C23/26°C

24°C23/27°C

25°C23/29°C

24°C23/26°C

23°C22/24°C

5 AM

12 PM

7 PM

12 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 6 AM

50AQI

2 hours / Day

60 hours / Month

Avg. Lowest Time

10 AM

38AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 50), while the lowest AQI was between 10 AM to 10 AM (Avg. 38).

Night time

Avg. Highest Time

2 AM - 11 PM

51AQI

7 hours / Day

210 hours / Month

Avg. Lowest Time

12 AM - 1 AM

50AQI

2 hours / Day

60 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 2 AM to 11 PM (Avg. 51), while the lowest AQI was between 12 AM to 1 AM (Avg. 50).

2025 Days Vs Air Quality
Doi Luang, Chiang Rai, Thailand

2025

22%

36%

34%

Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)

Good

41 Days

Moderate

66 Days

Poor

63 Days

Unhealthy

13 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 22%

Health Risk Level:

Very high

In 2025, 22% of 184 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights
Doi Luang, Chiang Rai, Thailand

AQI levels in 2025

AQI

PM2.5

PM10

SO2

NO2

Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

100AQI

101AQI

125AQI

101AQI

52AQI

46AQI

47AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202587AQI

Highest AQI recorded in

March

125AQI

Lowest AQI recorded in

June

46AQI

202481AQI

108

Highest AQI recorded in

March

139AQI

Lowest AQI recorded in

July

36AQI

2023100AQI

Highest AQI recorded in

February

137AQI

Lowest AQI recorded in

January

95AQI

202274AQI

Highest AQI recorded in

December

84AQI

Lowest AQI recorded in

November

62AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded

2023(Avg.)

100AQI

Least Polluted Year Recorded

2022(Avg.)

74AQI

Doi Luang's annual 2025 AQI (87) shows an average percentage change of 4.4% (worsened AQI) compared to previous years: 2022 (74), 2023 (100), 2024 (81).


5 AM	48
6 AM	49
7 AM	34
8 AM	29
9 AM	33
10 AM	37
11 AM	36
12 PM	38
1 PM	37
2 PM	34
3 PM	34
4 PM	35
5 PM	38
6 PM	35
7 PM	34
8 PM	34
9 PM	34
10 PM	34
11 PM	34
12 AM	49
1 AM	47
2 AM	45
3 AM	45
4 AM	45

Doi Luang, Chiang Rai, Thailand Historical Air Quality Analysis

July Air Quality AnalysisDoi Luang, Chiang Rai, Thailand

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Doi Luang, Chiang Rai, Thailand

Day & Night AQI Trend : Jun - Jul 2025Doi Luang, Chiang Rai, Thailand

2025 Days Vs Air Quality Doi Luang, Chiang Rai, Thailand

Annual Air Quality InsightsDoi Luang, Chiang Rai, Thailand

AQI levels in 2025

No. of days

July Air Quality Analysis
Doi Luang, Chiang Rai, Thailand

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Doi Luang, Chiang Rai, Thailand

Day & Night AQI Trend : Jun - Jul 2025
Doi Luang, Chiang Rai, Thailand

2025 Days Vs Air Quality
Doi Luang, Chiang Rai, Thailand

Annual Air Quality Insights
Doi Luang, Chiang Rai, Thailand