Quanzhou, Fujian, 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
Quanzhou, Fujian, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	50	41	27	38	53
Jul. 2	44	34	26	34	55
Jul. 3		39	29	34	56
Jul. 4		43	33	34	42
Jul. 5		48	45	36	68
Jul. 6		31	58	27	63
Jul. 7		36	58	36	30
Jul. 8		33	72	43	43
Jul. 9		30	87	37	53
Jul. 10		35	63	40	42
Jul. 11		42	38	52	41
Jul. 12		47	34	42	37
Jul. 13		49	40	48	32
Jul. 14		55	71	72	36
Jul. 15		52	60	119	45
Jul. 16		54	43	87	37
Jul. 17		40	42	68	31
Jul. 18		37	34	60	38
Jul. 19		40	46	41	38
Jul. 20		41	51	40	33
Jul. 21		48	46	54	44
Jul. 22		57	33	66	60
Jul. 23		44	34	82	42
Jul. 24		36	52	74	46
Jul. 25		21	38		66
Jul. 26		36	37		72
Jul. 27		37	38		96
Jul. 28		53	36		111
Jul. 29		47	34		81
Jul. 30		47	54		60
Jul. 31		21	76		54

AQI Trends: Highest and Lowest

Highest AQI recorded on

15th Jul 2022

119AQI

Lowest AQI recorded on

25th Jul 2024

21AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2021 on the same day.

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Quanzhou, Fujian, China

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

10AM3rd Jul

56AQI

Avg. Lowest Time

11PM3rd Jul

50AQI

In the last 24 hours,

Quanzhou's AQI reached its highest point of 56 at 10 AM during the Night, while the lowest point, 50, was recorded at 11 PM during the Night between 3rd Jul and 4th Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Quanzhou, Fujian, 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

23°C22/25°C

24°C23/27°C

26°C23/29°C

27°C24/31°C

27°C25/30°C

28°C25/31°C

28°C25/33°C

27°C25/32°C

29°C25/33°C

28°C25/32°C

27°C25/31°C

28°C25/30°C

28°C23/33°C

25°C22/27°C

26°C23/31°C

27°C24/30°C

28°C24/32°C

28°C25/32°C

28°C25/33°C

28°C24/33°C

28°C25/32°C

29°C25/34°C

29°C26/34°C

29°C26/33°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 - 2 PM

53AQI

10 hours / Day

300 hours / Month

Avg. Lowest Time

4 PM - 6 PM

43AQI

3 hours / Day

90 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 2 PM (Avg. 53), while the lowest AQI was between 4 PM to 6 PM (Avg. 43).

Night time

Avg. Highest Time

1 AM - 4 AM

52AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

7 PM

45AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 52), while the lowest AQI was between 7 PM to 7 PM (Avg. 45).

2025 Days Vs Air Quality
Quanzhou, Fujian, China

2025

15%

77%

140

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

Good

28 Days

Moderate

140 Days

Poor

15 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 15%

Health Risk Level:

Extreme

In 2025, 15% 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
Quanzhou, Fujian, 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.

83AQI

81AQI

72AQI

75AQI

65AQI

50AQI

47AQI

No. of days

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

202571AQI

140

Highest AQI recorded in

January

83AQI

Lowest AQI recorded in

July

47AQI

202467AQI

116

202

Highest AQI recorded in

January

101AQI

Lowest AQI recorded in

July

41AQI

202371AQI

232

Highest AQI recorded in

March

94AQI

Lowest AQI recorded in

July

46AQI

202265AQI

106

188

Highest AQI recorded in

March

89AQI

Lowest AQI recorded in

June

44AQI

202170AQI

227

Highest AQI recorded in

January

93AQI

Lowest AQI recorded in

August

49AQI

202063AQI

170

Highest AQI recorded in

March

88AQI

Lowest AQI recorded in

June

48AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2023(Avg.)

71AQI

Least Polluted Year Recorded

2020(Avg.)

63AQI

Quanzhou's annual 2025 AQI (71) shows an average percentage change of 5.5% (worsened AQI) compared to previous years: 2020 (63), 2021 (70), 2022 (65), 2023 (71), 2024 (67).


5 AM	52
6 AM	52
7 AM	52
8 AM	53
9 AM	55
10 AM	56
11 AM	56
12 PM	56
1 PM	56
2 PM	56
3 PM	56
4 PM	56
5 PM	50
6 PM	51
7 PM	52
8 PM	53
9 PM	54
10 PM	53
11 PM	50
12 AM	51
1 AM	52
2 AM	51
3 AM	52
4 AM	52

Quanzhou, Fujian, China Historical Air Quality Analysis

July Air Quality AnalysisQuanzhou, Fujian, China

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025Quanzhou, Fujian, China

Day & Night AQI Trend : Jun - Jul 2025Quanzhou, Fujian, China

2025 Days Vs Air Quality Quanzhou, Fujian, China

Annual Air Quality InsightsQuanzhou, Fujian, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Quanzhou, Fujian, China

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Quanzhou, Fujian, China

Day & Night AQI Trend : Jun - Jul 2025
Quanzhou, Fujian, China

2025 Days Vs Air Quality
Quanzhou, Fujian, China

Annual Air Quality Insights
Quanzhou, Fujian, China