Experimental Middle School, Linhai, Zhejiang, China 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
Experimental Middle School, Linhai, Zhejiang, China

2024

2025

AQI

Days

Days	2025	2024
Jul. 1	46	50
Jul. 2	48	48
Jul. 3		48
Jul. 4		51
Jul. 5		55
Jul. 6		54
Jul. 7		55
Jul. 8		53
Jul. 9		55
Jul. 10		57
Jul. 11		58
Jul. 12		59
Jul. 13		58
Jul. 14		58
Jul. 15		58
Jul. 16		49
Jul. 17		55
Jul. 18		49
Jul. 19		54
Jul. 20		44
Jul. 21		52
Jul. 22		42
Jul. 23		48
Jul. 24		40
Jul. 25		39
Jul. 26		33
Jul. 27		36
Jul. 28		35
Jul. 29		31
Jul. 30		33
Jul. 31		36

AQI Trends: Highest and Lowest

Highest AQI recorded on

12th Jul 2024

59AQI

Lowest AQI recorded on

29th Jul 2024

31AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2024 on the same day.

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Experimental Middle School, Linhai, Zhejiang, China

AQI

Day

Night

4 AM3rd Jul 2025

6 PM

3 AM4th Jul 2025

Day time

Avg. Highest Time

12AMNaNth undefined

AQI

Avg. Lowest Time

12AMNaNth undefined

AQI

Night time

Avg. Highest Time

6PM3rd Jul

57AQI

Avg. Lowest Time

9AM3rd Jul

46AQI

In the last 24 hours,

Experimental Middle School's AQI reached its highest point of 57 at 6 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 3rd Jul and 4th Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Experimental Middle School, Linhai, Zhejiang, China

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°C13/30°C

21°C15/29°C

23°C14/32°C

26°C18/35°C

25°C21/31°C

25°C20/29°C

24°C18/26°C

21°C19/22°C

24°C21/28°C

24°C20/26°C

27°C21/33°C

26°C21/32°C

24°C17/31°C

25°C18/34°C

26°C21/34°C

26°C22/33°C

27°C22/34°C

27°C21/36°C

24°C20/28°C

24°C20/30°C

24°C20/31°C

25°C20/31°C

28°C24/36°C

28°C22/36°C

27°C23/35°C

27°C22/34°C

28°C23/34°C

28°C21/35°C

28°C23/35°C

0°C0/0°C

4 AM

11 AM

6 PM

11 PM

3 AM

0°C0/0°C

Day time

Avg. Highest Time

4 AM - 7 AM

57AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

8 AM - 6 PM

52AQI

11 hours / Day

330 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 4 AM to 7 AM (Avg. 57), while the lowest AQI was between 8 AM to 6 PM (Avg. 52).

Night time

Avg. Highest Time

1 AM - 3 AM

57AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

7 PM - 11 PM

53AQI

5 hours / Day

150 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 57), while the lowest AQI was between 7 PM to 11 PM (Avg. 53).

2025 Days Vs Air Quality
Experimental Middle School, Linhai, Zhejiang, China

2025

77%

140

17%

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

Good

11 Days

Moderate

140 Days

Poor

32 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 6%

Health Risk Level:

Extreme

In 2025, 6% 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
Experimental Middle School, Linhai, Zhejiang, China

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.

108AQI

94AQI

81AQI

80AQI

69AQI

54AQI

47AQI

No. of days

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

202581AQI

140

Highest AQI recorded in

January

108AQI

Lowest AQI recorded in

July

47AQI

202468AQI

148

Highest AQI recorded in

January

121AQI

Lowest AQI recorded in

July

48AQI

202377AQI

Highest AQI recorded in

December

77AQI

Lowest AQI recorded in

November

76AQI

Most & Least Polluted Years Over the Last 3 Years

Most Polluted Year Recorded

2025(Avg.)

81AQI

Least Polluted Year Recorded

2024(Avg.)

68AQI

Experimental Middle School's annual 2025 AQI (81) shows an average percentage change of 12.05% (worsened AQI) compared to previous years: 2023 (77), 2024 (68).


4 AM	52
5 AM	52
6 AM	52
7 AM	52
8 AM	49
9 AM	46
10 AM	48
11 AM	48
12 PM	48
1 PM	48
2 PM	48
3 PM	48
4 PM	48
5 PM	56
6 PM	57
7 PM	55
8 PM	53
9 PM	54
10 PM	53
11 PM	52
12 AM	52
1 AM	50
2 AM
3 AM

Experimental Middle School, Linhai, Zhejiang, China Historical Air Quality Analysis

July Air Quality AnalysisExperimental Middle School, Linhai, Zhejiang, China

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025Experimental Middle School, Linhai, Zhejiang, China

Day & Night AQI Trend : Jun - Jul 2025Experimental Middle School, Linhai, Zhejiang, China

2025 Days Vs Air Quality Experimental Middle School, Linhai, Zhejiang, China

Annual Air Quality InsightsExperimental Middle School, Linhai, Zhejiang, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Experimental Middle School, Linhai, Zhejiang, China

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Experimental Middle School, Linhai, Zhejiang, China

Day & Night AQI Trend : Jun - Jul 2025
Experimental Middle School, Linhai, Zhejiang, China

2025 Days Vs Air Quality
Experimental Middle School, Linhai, Zhejiang, China

Annual Air Quality Insights
Experimental Middle School, Linhai, Zhejiang, China