Yuelong station, 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
Yuelong station, Linhai, Zhejiang, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	46	53	46	24	41
Jul. 2	50	51	51	22	68
Jul. 3		52	47	22	56
Jul. 4		54	52	32	53
Jul. 5		55	48	52	34
Jul. 6		55	50	32	24
Jul. 7		54	60	49	44
Jul. 8		55	66	53	46
Jul. 9		55	69	52	42
Jul. 10		56	53	60	29
Jul. 11		57	55	85	52
Jul. 12		58	56	89	58
Jul. 13		59	44	55	44
Jul. 14		58	32	61	27
Jul. 15		58	26	65	25
Jul. 16		52	18	84	25
Jul. 17		52	18	82	27
Jul. 18		54	38	54	44
Jul. 19		53	34	74	36
Jul. 20		54	44	59	28
Jul. 21		52	40	61	35
Jul. 22		49	38	55	31
Jul. 23		44	47	73	19
Jul. 24		42	56	46	16
Jul. 25		38	36
Jul. 26		38	18		66
Jul. 27		37	13		72
Jul. 28		37	18
Jul. 29		33	24		45
Jul. 30		34	29		52
Jul. 31		34			48

AQI Trends: Highest and Lowest

Highest AQI recorded on

12th Jul 2022

89AQI

Lowest AQI recorded on

27th Jul 2023

13AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 50 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Yuelong station, Linhai, Zhejiang, China

AQI

Day

Night

4 AM2nd Jul 2025

6 PM

3 AM3rd Jul 2025

Day time

Avg. Highest Time

6PM2nd Jul

60AQI

Avg. Lowest Time

9AM2nd Jul

32AQI

Night time

Avg. Highest Time

7PM2nd Jul

60AQI

Avg. Lowest Time

3AM3rd Jul

52AQI

In the last 24 hours,

Yuelong station's AQI reached its highest point of 60 at 6 PM during the Day, while the lowest point, 32, was recorded at 9 AM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Yuelong station, Linhai, Zhejiang, China

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

19°C15/25°C

21°C13/30°C

21°C15/29°C

23°C14/32°C

26°C18/35°C

25°C21/31°C

25°C20/29°C

23°C20/26°C

21°C20/21°C

22°C20/25°C

23°C22/25°C

26°C22/33°C

24°C22/29°C

24°C18/30°C

26°C20/34°C

26°C20/33°C

25°C21/32°C

26°C22/34°C

27°C22/34°C

24°C23/25°C

25°C23/29°C

24°C21/27°C

24°C21/28°C

27°C22/34°C

28°C22/35°C

27°C22/34°C

26°C21/34°C

27°C23/34°C

28°C23/34°C

28°C22/34°C

4 AM

11 AM

6 PM

11 PM

3 AM

0°C0/0°C

Day time

Avg. Highest Time

4 AM - 7 AM

56AQI

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. 56), while the lowest AQI was between 8 AM to 6 PM (Avg. 52).

Night time

Avg. Highest Time

12 AM - 3 AM

57AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

7 PM - 11 PM

55AQI

5 hours / Day

150 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 57), while the lowest AQI was between 7 PM to 11 PM (Avg. 55).

2025 Days Vs Air Quality
Yuelong station, Linhai, Zhejiang, China

2025

73%

133

20%

0.5%

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

Good

13 Days

Moderate

133 Days

Poor

36 Days

Unhealthy

1 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 7%

Health Risk Level:

Extreme

In 2025, 7% 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
Yuelong station, 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.

107AQI

97AQI

81AQI

68AQI

55AQI

48AQI

No. of days

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

202581AQI

133

Highest AQI recorded in

January

107AQI

Lowest AQI recorded in

July

48AQI

202467AQI

231

Highest AQI recorded in

January

119AQI

Lowest AQI recorded in

July

49AQI

202366AQI

161

Highest AQI recorded in

January

94AQI

Lowest AQI recorded in

August

40AQI

202268AQI

180

Highest AQI recorded in

January

161AQI

Lowest AQI recorded in

August

37AQI

202160AQI

102

118

Highest AQI recorded in

December

102AQI

Lowest AQI recorded in

August

39AQI

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded

2025(Avg.)

81AQI

Least Polluted Year Recorded

2021(Avg.)

60AQI

Yuelong station's annual 2025 AQI (81) shows an average percentage change of 24.2% (worsened AQI) compared to previous years: 2021 (60), 2022 (68), 2023 (66), 2024 (67).


4 AM	52
5 AM	52
6 AM	51
7 AM	51
8 AM	36
9 AM	32
10 AM	36
11 AM	42
12 PM	42
1 PM	44
2 PM	43
3 PM	47
4 PM	54
5 PM	59
6 PM	60
7 PM	60
8 PM	60
9 PM	60
10 PM	60
11 PM	60
12 AM	60
1 AM	54
2 AM	52
3 AM	52

Yuelong station, Linhai, Zhejiang, China Historical Air Quality Analysis

July Air Quality AnalysisYuelong station, Linhai, Zhejiang, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Yuelong station, Linhai, Zhejiang, China

Day & Night AQI Trend : Jun - Jul 2025Yuelong station, Linhai, Zhejiang, China

2025 Days Vs Air Quality Yuelong station, Linhai, Zhejiang, China

Annual Air Quality InsightsYuelong station, Linhai, Zhejiang, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Yuelong station, Linhai, Zhejiang, China

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Yuelong station, Linhai, Zhejiang, China

Day & Night AQI Trend : Jun - Jul 2025
Yuelong station, Linhai, Zhejiang, China

2025 Days Vs Air Quality
Yuelong station, Linhai, Zhejiang, China

Annual Air Quality Insights
Yuelong station, Linhai, Zhejiang, China