Vinh, Nghe An, Vietnam 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
Vinh, Nghe An, Vietnam

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022
Jul. 1	55	54	0	13
Jul. 2	55	54	0	13
Jul. 3		54	0	11
Jul. 4		54	0	11
Jul. 5		54	0	12
Jul. 6		53	0	15
Jul. 7		53	0	13
Jul. 8		53	0	14
Jul. 9		52	0	15
Jul. 10		54	0	13
Jul. 11		54	0	12
Jul. 12		54	0	6
Jul. 13		53	0	7
Jul. 14		53		7
Jul. 15		54
Jul. 16		50		10
Jul. 17		53		18
Jul. 18		46		18
Jul. 19		52
Jul. 20		43	40	19
Jul. 21		50		6
Jul. 22		43		11
Jul. 23		48		17
Jul. 24		45		13
Jul. 25		38
Jul. 26		43
Jul. 27		42
Jul. 28		45
Jul. 29		46
Jul. 30		45
Jul. 31		48

AQI Trends: Highest and Lowest

Highest AQI recorded on

1st Jul 2025

55AQI

Lowest AQI recorded on

1st Jul 2023

0AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Vinh, Nghe An, Vietnam

AQI

Day

Night

5 AM2nd Jul 2025

6 PM

4 AM3rd Jul 2025

Day time

Avg. Highest Time

8AM2nd Jul

58AQI

Avg. Lowest Time

11AM2nd Jul

52AQI

Night time

Avg. Highest Time

12AM3rd Jul

55AQI

Avg. Lowest Time

4AM3rd Jul

52AQI

In the last 24 hours,

Vinh's AQI reached its highest point of 58 at 8 AM during the Day, while the lowest point, 52, was recorded at 4 AM during the Night between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Vinh, Nghe An, Vietnam

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

29°C27/32°C

28°C26/32°C

29°C26/33°C

30°C27/35°C

31°C27/35°C

30°C27/34°C

28°C26/30°C

28°C25/31°C

25°C25/26°C

27°C25/30°C

29°C25/33°C

30°C27/35°C

29°C27/33°C

30°C27/36°C

29°C27/34°C

29°C26/34°C

29°C27/34°C

29°C26/33°C

28°C25/32°C

29°C26/33°C

28°C25/32°C

28°C26/32°C

29°C26/34°C

27°C26/32°C

28°C25/31°C

5 AM

11 AM

6 PM

11 PM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 6 PM

55AQI

14 hours / Day

420 hours / Month

Avg. Lowest Time

5 AM - 6 PM

55AQI

14 hours / Day

420 hours / Month

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

Night time

Avg. Highest Time

12 AM - 11 PM

56AQI

10 hours / Day

300 hours / Month

Avg. Lowest Time

12 AM - 11 PM

56AQI

10 hours / Day

300 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 56), while the lowest AQI was between 12 AM to 11 PM (Avg. 56).

2025 Days Vs Air Quality
Vinh, Nghe An, Vietnam

2025

79%

145

15%

0.5%

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

Good

10 Days

Moderate

145 Days

Poor

27 Days

Unhealthy

1 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 5%

Health Risk Level:

Extreme

In 2025, 5% 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
Vinh, Nghe An, Vietnam

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.

115AQI

73AQI

81AQI

71AQI

55AQI

56AQI

55AQI

No. of days

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

202575AQI

145

Highest AQI recorded in

January

115AQI

Lowest AQI recorded in

July

55AQI

202464AQI

176

Highest AQI recorded in

April

112AQI

Lowest AQI recorded in

August

25AQI

202337AQI

213

Highest AQI recorded in

January

71AQI

Lowest AQI recorded in

July

3AQI

202226AQI

244

Highest AQI recorded in

December

51AQI

Lowest AQI recorded in

July

12AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded

2025(Avg.)

75AQI

Least Polluted Year Recorded

2022(Avg.)

26AQI

Vinh's annual 2025 AQI (75) shows an average percentage change of 101.7% (worsened AQI) compared to previous years: 2022 (26), 2023 (37), 2024 (64).


5 AM	55
6 AM	56
7 AM	54
8 AM	58
9 AM	55
10 AM	58
11 AM	52
12 PM	53
1 PM	54
2 PM	55
3 PM	56
4 PM	56
5 PM	54
6 PM	54
7 PM	54
8 PM	54
9 PM	54
10 PM	54
11 PM	54
12 AM	55
1 AM	54
2 AM	53
3 AM	52
4 AM	52

Vinh, Nghe An, Vietnam Historical Air Quality Analysis

July Air Quality AnalysisVinh, Nghe An, Vietnam

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Vinh, Nghe An, Vietnam

Day & Night AQI Trend : Jun - Jul 2025Vinh, Nghe An, Vietnam

2025 Days Vs Air Quality Vinh, Nghe An, Vietnam

Annual Air Quality InsightsVinh, Nghe An, Vietnam

AQI levels in 2025

No. of days

July Air Quality Analysis
Vinh, Nghe An, Vietnam

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Vinh, Nghe An, Vietnam

Day & Night AQI Trend : Jun - Jul 2025
Vinh, Nghe An, Vietnam

2025 Days Vs Air Quality
Vinh, Nghe An, Vietnam

Annual Air Quality Insights
Vinh, Nghe An, Vietnam