Phonsavan, Xiangkhouang, Laos 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
Phonsavan, Xiangkhouang, Laos

2023

2024

2025

AQI

Days

Days	2025	2024	2023
Jul. 1	42	36	73
Jul. 2	40	38	11
Jul. 3		38
Jul. 4		37
Jul. 5		35
Jul. 6		35	343
Jul. 7		35	200
Jul. 8		37
Jul. 9		39	98
Jul. 10		33
Jul. 11		33
Jul. 12		26
Jul. 13		31
Jul. 14		32
Jul. 15		41	4
Jul. 16		40	80
Jul. 17		47
Jul. 18		47	68
Jul. 19		45
Jul. 20		46
Jul. 21		45
Jul. 22		55
Jul. 23		49
Jul. 24		53
Jul. 25		49
Jul. 26		54
Jul. 27		51
Jul. 28		51
Jul. 29		51
Jul. 30		40
Jul. 31		56

AQI Trends: Highest and Lowest

Highest AQI recorded on

6th Jul 2023

343AQI

Lowest AQI recorded on

15th Jul 2023

4AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 40 of Good air quality on the same day.

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Phonsavan, Xiangkhouang, Laos

AQI

Day

Night

5 AM3rd Jul 2025

6 PM

4 AM4th Jul 2025

Day time

Avg. Highest Time

12AMNaNth undefined

AQI

Avg. Lowest Time

12AMNaNth undefined

AQI

Night time

Avg. Highest Time

5AM3rd Jul

49AQI

Avg. Lowest Time

4PM3rd Jul

23AQI

In the last 24 hours,

Phonsavan's AQI reached its highest point of 49 at 5 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Jul and 4th Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Phonsavan, Xiangkhouang, Laos

JunJul

04th - 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 - 04th04th

Day

Night

21°C18/27°C

22°C18/29°C

23°C18/30°C

22°C19/29°C

22°C19/28°C

22°C19/27°C

21°C18/26°C

21°C18/25°C

22°C18/28°C

22°C19/27°C

21°C19/25°C

21°C18/25°C

21°C18/26°C

20°C18/25°C

21°C18/25°C

21°C18/24°C

21°C18/26°C

22°C18/27°C

22°C18/28°C

21°C19/28°C

19°C17/23°C

19°C17/21°C

19°C18/20°C

20°C18/23°C

20°C18/22°C

0°C0/0°C

5 AM

11 AM

6 PM

11 PM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 6 AM

60AQI

2 hours / Day

60 hours / Month

Avg. Lowest Time

8 AM - 6 PM

54AQI

11 hours / Day

330 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 60), while the lowest AQI was between 8 AM to 6 PM (Avg. 54).

Night time

Avg. Highest Time

12 AM - 4 AM

58AQI

5 hours / Day

150 hours / Month

Avg. Lowest Time

12 AM - 8 PM

58AQI

7 hours / Day

210 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 58), while the lowest AQI was between 12 AM to 8 PM (Avg. 58).

2025 Days Vs Air Quality
Phonsavan, Xiangkhouang, Laos

2025

10%

69%

126

21%

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

Good

19 Days

Moderate

126 Days

Poor

38 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 10%

Health Risk Level:

Extreme

In 2025, 10% of 184 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
Phonsavan, Xiangkhouang, Laos

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.

99AQI

69AQI

92AQI

93AQI

78AQI

60AQI

41AQI

No. of days

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

202582AQI

126

Highest AQI recorded in

January

99AQI

Lowest AQI recorded in

July

41AQI

202457AQI

106

Highest AQI recorded in

April

172AQI

Lowest AQI recorded in

October

31AQI

2023140AQI

Highest AQI recorded in

March

196AQI

Lowest AQI recorded in

June

80AQI

2022145AQI

Highest AQI recorded in

October

180AQI

Lowest AQI recorded in

November

134AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded

2022(Avg.)

145AQI

Least Polluted Year Recorded

2024(Avg.)

57AQI

Phonsavan's annual 2025 AQI (82) shows an average percentage change of -14.06% (improved AQI) compared to previous years: 2022 (145), 2023 (140), 2024 (57).


5 AM	49
6 AM	49
7 AM	40
8 AM	32
9 AM	42
10 AM	42
11 AM	42
12 PM	42
1 PM	42
2 PM	42
3 PM	42
4 PM	23
5 PM	26
6 PM	40
7 PM	35
8 PM	29
9 PM	34
10 PM	32
11 PM	34
12 AM	36
1 AM	41
2 AM	39
3 AM	45
4 AM

Phonsavan, Xiangkhouang, Laos Historical Air Quality Analysis

July Air Quality AnalysisPhonsavan, Xiangkhouang, Laos

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025Phonsavan, Xiangkhouang, Laos

Day & Night AQI Trend : Jun - Jul 2025Phonsavan, Xiangkhouang, Laos

2025 Days Vs Air Quality Phonsavan, Xiangkhouang, Laos

Annual Air Quality InsightsPhonsavan, Xiangkhouang, Laos

AQI levels in 2025

No. of days

July Air Quality Analysis
Phonsavan, Xiangkhouang, Laos

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Phonsavan, Xiangkhouang, Laos

Day & Night AQI Trend : Jun - Jul 2025
Phonsavan, Xiangkhouang, Laos

2025 Days Vs Air Quality
Phonsavan, Xiangkhouang, Laos

Annual Air Quality Insights
Phonsavan, Xiangkhouang, Laos