Tambon Chang Khlan, Chiang Mai, Chiang Mai, 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+

September Air Quality Analysis
Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

2024

2025

AQI

Days

Days	2025	2024
Sep. 1	55	14
Sep. 2	55	36
Sep. 3	58	41
Sep. 4	54
Sep. 5	55
Sep. 6
Sep. 7
Sep. 8
Sep. 9
Sep. 10
Sep. 11
Sep. 12
Sep. 13
Sep. 14
Sep. 15
Sep. 16
Sep. 17
Sep. 18
Sep. 19
Sep. 20
Sep. 21
Sep. 22
Sep. 23
Sep. 24
Sep. 25
Sep. 26
Sep. 27
Sep. 28
Sep. 29
Sep. 30

AQI Trends: Highest and Lowest

Highest AQI recorded on

3rd Sep 2025

58AQI

Lowest AQI recorded on

1st Sep 2024

14AQI

Same Day Analysis (5th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.

Day & Night AQI Trend: 5th Sep - 6th Sep 2025
Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

AQI

Day

Night

6 AM5th Sep 2025

6 PM

5 AM6th Sep 2025

Day time

Avg. Highest Time

11AM5th Sep

66AQI

Avg. Lowest Time

5PM5th Sep

51AQI

Night time

Avg. Highest Time

9PM5th Sep

66AQI

Avg. Lowest Time

5AM6th Sep

53AQI

In the last 24 hours,

Tambon Chang Khlan's AQI reached its highest point of 66 at 11 AM during the Day, while the lowest point, 51, was recorded at 5 PM during the Day between 5th Sep and 6th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

AugSep

07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th

Day

Night

24°C22/28°C

25°C22/31°C

26°C23/31°C

27°C22/32°C

27°C23/32°C

26°C22/32°C

25°C23/30°C

25°C22/29°C

25°C23/28°C

25°C21/30°C

26°C21/31°C

26°C22/31°C

26°C22/32°C

25°C23/30°C

25°C22/32°C

26°C22/33°C

23°C22/24°C

22°C22/23°C

22°C21/26°C

25°C20/31°C

25°C21/33°C

24°C22/27°C

24°C22/28°C

25°C22/31°C

26°C22/32°C

26°C23/33°C

27°C22/33°C

6 AM

12 PM

6 PM

12 AM

5 AM

--°C/°C

Day time

Avg. Highest Time

6 AM - 11 AM

55AQI

6 hours / Day

180 hours / Month

Avg. Lowest Time

5 PM

48AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 6 AM to 11 AM (Avg. 55), while the lowest AQI was between 5 PM to 5 PM (Avg. 48).

Night time

Avg. Highest Time

12 AM - 11 PM

54AQI

11 hours / Day

330 hours / Month

Avg. Lowest Time

2 AM - 11 PM

54AQI

9 hours / Day

270 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 54), while the lowest AQI was between 2 AM to 11 PM (Avg. 54).

2025 Days Vs Air Quality
Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

2025

10%

71%

175

18%

Total number of days with different AQI categories in last 249 days in 2025 (116 days remaining)

Good

24 Days

Moderate

175 Days

Poor

44 Days

Unhealthy

5 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 10%

Health Risk Level:

Extreme

In 2025, 10% of 249 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
Tambon Chang Khlan, Chiang Mai, Chiang Mai, 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.

97AQI

94AQI

120AQI

92AQI

58AQI

56AQI

62AQI

53AQI

55AQI

No. of days

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

202578AQI

175

Highest AQI recorded in

March

120AQI

Lowest AQI recorded in

August

53AQI

202473AQI

122

Highest AQI recorded in

March

292AQI

Lowest AQI recorded in

June

27AQI

202397AQI

Highest AQI recorded in

April

173AQI

Lowest AQI recorded in

October

60AQI

202258AQI

Highest AQI recorded in

December

64AQI

Lowest AQI recorded in

November

53AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded

2023(Avg.)

97AQI

Least Polluted Year Recorded

2022(Avg.)

58AQI

Tambon Chang Khlan's annual 2025 AQI (78) shows an average percentage change of 7.2% (worsened AQI) compared to previous years: 2022 (58), 2023 (97), 2024 (73).


6 AM	54
7 AM	58
8 AM	52
9 AM	60
10 AM	59
11 AM	66
12 PM	59
1 PM	57
2 PM	54
3 PM	55
4 PM	56
5 PM	51
6 PM	56
7 PM	54
8 PM	62
9 PM	66
10 PM	65
11 PM	60
12 AM	59
1 AM	58
2 AM	56
3 AM	54
4 AM	53
5 AM	53

Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand Historical Air Quality Analysis

September Air Quality AnalysisTambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

Day & Night AQI Trend: 5th Sep - 6th Sep 2025Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

Day & Night AQI Trend : Aug - Sep 2025Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

2025 Days Vs Air Quality Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

Annual Air Quality InsightsTambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

AQI levels in 2025

No. of days

September Air Quality Analysis
Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

Day & Night AQI Trend: 5th Sep - 6th Sep 2025
Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

Day & Night AQI Trend : Aug - Sep 2025
Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

2025 Days Vs Air Quality
Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand

Annual Air Quality Insights
Tambon Chang Khlan, Chiang Mai, Chiang Mai, Thailand