Wiang Kaen Hospital, Wiang Kaen, 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
Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

2024

2025

AQI

Days

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

AQI Trends: Highest and Lowest

Highest AQI recorded on

30th Jul 2024

43AQI

Lowest AQI recorded on

12th Jul 2024

24AQI

Same Day Analysis (1st 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: 1st Jul - 2nd Jul 2025
Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

AQI

Day

Night

5 AM1st Jul 2025

7 PM

4 AM2nd Jul 2025

Day time

Avg. Highest Time

9AM1st Jul

54AQI

Avg. Lowest Time

2PM1st Jul

38AQI

Night time

Avg. Highest Time

3AM2nd Jul

51AQI

Avg. Lowest Time

11PM1st Jul

38AQI

In the last 24 hours,

Wiang Kaen Hospital's AQI reached its highest point of 54 at 9 AM during the Day, while the lowest point, 38, was recorded at 11 PM during the Night between 1st Jul and 2nd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

JunJul

02nd - 03rd03rd - 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

Day

Night

26°C22/34°C

25°C22/28°C

26°C22/32°C

26°C22/33°C

27°C22/34°C

28°C22/34°C

28°C23/34°C

28°C23/35°C

26°C23/32°C

26°C22/31°C

27°C21/36°C

28°C23/36°C

27°C23/34°C

26°C23/33°C

25°C23/28°C

24°C23/27°C

25°C23/31°C

25°C22/30°C

24°C23/26°C

24°C23/29°C

25°C22/31°C

26°C23/30°C

24°C23/25°C

24°C23/26°C

24°C23/25°C

24°C22/27°C

23°C23/25°C

5 AM

12 PM

7 PM

12 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

6 AM

81AQI

1 hours / Day

30 hours / Month

Avg. Lowest Time

12 PM - 3 PM

60AQI

4 hours / Day

120 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 81), while the lowest AQI was between 12 PM to 3 PM (Avg. 60).

Night time

Avg. Highest Time

1 AM - 4 AM

73AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

8 PM - 11 PM

68AQI

4 hours / Day

120 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 73), while the lowest AQI was between 8 PM to 11 PM (Avg. 68).

2025 Days Vs Air Quality
Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

2025

41%

46%

Total number of days with different AQI categories in last 183 days in 2025 (182 days remaining)

Good

14 Days

Moderate

75 Days

Poor

83 Days

Unhealthy

10 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 8%

Health Risk Level:

Extreme

In 2025, 8% of 183 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights
Wiang Kaen Hospital, Wiang Kaen, 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.

104AQI

103AQI

123AQI

98AQI

95AQI

70AQI

43AQI

No. of days

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

202599AQI

Highest AQI recorded in

March

123AQI

Lowest AQI recorded in

July

43AQI

202473AQI

110

Highest AQI recorded in

March

155AQI

Lowest AQI recorded in

August

33AQI

2023160AQI

Highest AQI recorded in

April

233AQI

Lowest AQI recorded in

August

49AQI

202288AQI

Highest AQI recorded in

December

102AQI

Lowest AQI recorded in

November

71AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded

2023(Avg.)

160AQI

Least Polluted Year Recorded

2024(Avg.)

73AQI

Wiang Kaen Hospital's annual 2025 AQI (99) shows an average percentage change of 3.1% (worsened AQI) compared to previous years: 2022 (88), 2023 (160), 2024 (73).


5 AM	47
6 AM	47
7 AM	51
8 AM	51
9 AM	54
10 AM	54
11 AM	45
12 PM	43
1 PM	38
2 PM	38
3 PM	41
4 PM	39
5 PM	39
6 PM	42
7 PM	42
8 PM	39
9 PM	43
10 PM	39
11 PM	38
12 AM	42
1 AM	49
2 AM	50
3 AM	51
4 AM	48

Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand Historical Air Quality Analysis

July Air Quality AnalysisWiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

Day & Night AQI Trend: 1st Jul - 2nd Jul 2025Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

Day & Night AQI Trend : Jun - Jul 2025Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

2025 Days Vs Air Quality Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

Annual Air Quality InsightsWiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

AQI levels in 2025

No. of days

July Air Quality Analysis
Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

Day & Night AQI Trend: 1st Jul - 2nd Jul 2025
Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

Day & Night AQI Trend : Jun - Jul 2025
Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

2025 Days Vs Air Quality
Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand

Annual Air Quality Insights
Wiang Kaen Hospital, Wiang Kaen, Chiang Rai, Thailand