Nghe An Truong Thi, 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+

September Air Quality Analysis
Nghe An Truong Thi, Vinh, Nghe An, Vietnam

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022
Sep. 1	43	44	65
Sep. 2	42	46	67	38
Sep. 3	43	48	56	35
Sep. 4	48	54	51	43
Sep. 5	42	70	51
Sep. 6	42	70	51
Sep. 7	50	70	73
Sep. 8	53	70	73
Sep. 9	49	67
Sep. 10	51	54		11
Sep. 11	44	52		16
Sep. 12	43	51	51	25
Sep. 13	41	51	51	34
Sep. 14	41	53	52	42
Sep. 15	45	60	53	38
Sep. 16	45	70		12
Sep. 17	47	58		27
Sep. 18		53	52	18
Sep. 19		53	52	23
Sep. 20		52	54	30
Sep. 21		51		29
Sep. 22				20
Sep. 23		44		12
Sep. 24		48		11
Sep. 25		51		15
Sep. 26		56		54
Sep. 27		55	56	65
Sep. 28		54	55	46
Sep. 29		59	55	16
Sep. 30		58		10

AQI Trends: Highest and Lowest

Highest AQI recorded on

7th Sep 2023

73AQI

Lowest AQI recorded on

30th Sep 2022

10AQI

Same Day Analysis (17th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 47 of Good air quality, showing improvement over 2024 on the same day.

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Nghe An Truong Thi, Vinh, Nghe An, Vietnam

AQI

Day

Night

5 AM17th Sep 2025

6 PM

4 AM18th Sep 2025

Day time

Avg. Highest Time

10AM17th Sep

54AQI

Avg. Lowest Time

4PM17th Sep

34AQI

Night time

Avg. Highest Time

9PM17th Sep

53AQI

Avg. Lowest Time

7PM17th Sep

46AQI

In the last 24 hours,

Nghe An Truong Thi's AQI reached its highest point of 54 at 10 AM during the Day, while the lowest point, 34, was recorded at 4 PM during the Day between 17th Sep and 18th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Nghe An Truong Thi, Vinh, Nghe An, Vietnam

AugSep

19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th

Day

Night

27°C24/32°C

28°C25/32°C

28°C26/32°C

28°C25/31°C

27°C25/30°C

25°C24/25°C

25°C24/27°C

25°C24/28°C

26°C24/28°C

26°C24/29°C

26°C25/27°C

26°C24/29°C

27°C24/30°C

27°C25/30°C

28°C25/31°C

28°C25/32°C

28°C25/31°C

29°C25/34°C

29°C26/33°C

28°C25/32°C

28°C25/31°C

27°C25/31°C

27°C25/30°C

5 AM

11 AM

6 PM

11 PM

4 AM

--°C/°C

Day time

Avg. Highest Time

5 AM - 6 AM

47AQI

2 hours / Day

60 hours / Month

Avg. Lowest Time

2 PM - 4 PM

37AQI

3 hours / Day

90 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 47), while the lowest AQI was between 2 PM to 4 PM (Avg. 37).

Night time

Avg. Highest Time

12 AM - 11 PM

47AQI

10 hours / Day

300 hours / Month

Avg. Lowest Time

12 AM - 7 PM

47AQI

6 hours / Day

180 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 47), while the lowest AQI was between 12 AM to 7 PM (Avg. 47).

2025 Days Vs Air Quality
Nghe An Truong Thi, Vinh, Nghe An, Vietnam

2025

16%

72%

187

12%

0.3%

Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)

Good

42 Days

Moderate

187 Days

Poor

30 Days

Unhealthy

1 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 16%

Health Risk Level:

Extreme

In 2025, 16% of 261 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
Nghe An Truong Thi, 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.

117AQI

73AQI

84AQI

77AQI

58AQI

54AQI

47AQI

45AQI

No. of days

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

202569AQI

187

Highest AQI recorded in

January

117AQI

Lowest AQI recorded in

September

45AQI

202467AQI

183

Highest AQI recorded in

April

118AQI

Lowest AQI recorded in

August

42AQI

202357AQI

110

122

Highest AQI recorded in

January

99AQI

Lowest AQI recorded in

June

7AQI

202242AQI

158

Highest AQI recorded in

December

87AQI

Lowest AQI recorded in

July

12AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded

2025(Avg.)

69AQI

Least Polluted Year Recorded

2022(Avg.)

42AQI

Nghe An Truong Thi's annual 2025 AQI (69) shows an average percentage change of 30.1% (worsened AQI) compared to previous years: 2022 (42), 2023 (57), 2024 (67).


5 AM	49
6 AM	48
7 AM	47
8 AM	50
9 AM	52
10 AM	54
11 AM	47
12 PM	36
1 PM	37
2 PM	37
3 PM	38
4 PM	34
5 PM	43
6 PM	46
7 PM	46
8 PM	48
9 PM	53
10 PM	51
11 PM	48
12 AM	50
1 AM	48
2 AM	47
3 AM	47
4 AM	48

Nghe An Truong Thi, Vinh, Nghe An, Vietnam Historical Air Quality Analysis

September Air Quality AnalysisNghe An Truong Thi, Vinh, Nghe An, Vietnam

Day & Night AQI Trend: 17th Sep - 18th Sep 2025Nghe An Truong Thi, Vinh, Nghe An, Vietnam

Day & Night AQI Trend : Aug - Sep 2025Nghe An Truong Thi, Vinh, Nghe An, Vietnam

2025 Days Vs Air Quality Nghe An Truong Thi, Vinh, Nghe An, Vietnam

Annual Air Quality InsightsNghe An Truong Thi, Vinh, Nghe An, Vietnam

AQI levels in 2025

No. of days

September Air Quality Analysis
Nghe An Truong Thi, Vinh, Nghe An, Vietnam

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Nghe An Truong Thi, Vinh, Nghe An, Vietnam

Day & Night AQI Trend : Aug - Sep 2025
Nghe An Truong Thi, Vinh, Nghe An, Vietnam

2025 Days Vs Air Quality
Nghe An Truong Thi, Vinh, Nghe An, Vietnam

Annual Air Quality Insights
Nghe An Truong Thi, Vinh, Nghe An, Vietnam