Sanshui Monitoring Station, Foshan, Guangdong, 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
Sanshui Monitoring Station, Foshan, Guangdong, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	39	55	45	41	64
Jul. 2	44	46	35	28	64
Jul. 3	47	42	37	37	64
Jul. 4		55	40	48	68
Jul. 5		59	54	62	42
Jul. 6		45	54	56	38
Jul. 7		44	46	45	50
Jul. 8		37	45	59	39
Jul. 9		43	34	81	57
Jul. 10		41	40	71	78
Jul. 11		36	41	54	40
Jul. 12		33	42	75	43
Jul. 13		38	44	63	47
Jul. 14		45	51	59	59
Jul. 15		60	88	30	59
Jul. 16		39	59	54	64
Jul. 17		37	34	52	72
Jul. 18		28	45	62	51
Jul. 19		45	62	54	54
Jul. 20		48	45	40	36
Jul. 21		42	57	39	48
Jul. 22		49	54	53	71
Jul. 23		48	52	70	83
Jul. 24		41	49	93	84
Jul. 25		85	39		75
Jul. 26		70	85		92
Jul. 27		33	57		92
Jul. 28		35	56		74
Jul. 29		28	70		78
Jul. 30		38	43		76
Jul. 31		36	64		68

AQI Trends: Highest and Lowest

Highest AQI recorded on

24th Jul 2022

93AQI

Lowest AQI recorded on

2nd Jul 2022

28AQI

Same Day Analysis (3rd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 47 of Good air quality, showing improvement over 2021 on the same day.

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Sanshui Monitoring Station, Foshan, Guangdong, China

AQI

Day

Night

5 AM3rd Jul 2025

7 PM

4 AM4th Jul 2025

Day time

Avg. Highest Time

12AMNaNth undefined

AQI

Avg. Lowest Time

12AMNaNth undefined

AQI

Night time

Avg. Highest Time

9AM3rd Jul

76AQI

Avg. Lowest Time

7AM3rd Jul

36AQI

In the last 24 hours,

Sanshui Monitoring Station's AQI reached its highest point of 76 at 9 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Jul and 4th Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Sanshui Monitoring Station, Foshan, Guangdong, 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

27°C23/32°C

28°C25/31°C

28°C25/33°C

29°C25/34°C

30°C26/35°C

30°C26/34°C

31°C27/36°C

29°C26/32°C

28°C26/32°C

28°C25/31°C

26°C25/28°C

27°C26/30°C

26°C24/30°C

26°C24/27°C

26°C24/30°C

28°C25/32°C

28°C25/31°C

29°C25/33°C

29°C25/34°C

30°C25/36°C

28°C26/30°C

28°C25/31°C

28°C25/32°C

29°C25/33°C

28°C25/32°C

29°C26/34°C

0°C0/0°C

5 AM

12 PM

7 PM

12 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

3 PM - 7 PM

54AQI

5 hours / Day

150 hours / Month

Avg. Lowest Time

10 AM - 1 PM

43AQI

4 hours / Day

120 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 3 PM to 7 PM (Avg. 54), while the lowest AQI was between 10 AM to 1 PM (Avg. 43).

Night time

Avg. Highest Time

8 PM - 9 PM

54AQI

2 hours / Day

60 hours / Month

Avg. Lowest Time

12 AM - 4 AM

46AQI

5 hours / Day

150 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 8 PM to 9 PM (Avg. 54), while the lowest AQI was between 12 AM to 4 AM (Avg. 46).

2025 Days Vs Air Quality
Sanshui Monitoring Station, Foshan, Guangdong, China

2025

18%

55%

102

24%

0.5%

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

Good

33 Days

Moderate

102 Days

Poor

45 Days

Unhealthy

3 Days

Severe

1 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 18%

Health Risk Level:

Extreme

In 2025, 18% 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
Sanshui Monitoring Station, Foshan, Guangdong, 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.

116AQI

89AQI

79AQI

98AQI

67AQI

50AQI

43AQI

No. of days

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

202583AQI

102

Highest AQI recorded in

January

116AQI

Lowest AQI recorded in

July

43AQI

202474AQI

219

Highest AQI recorded in

December

116AQI

Lowest AQI recorded in

July

45AQI

202382AQI

209

Highest AQI recorded in

November

110AQI

Lowest AQI recorded in

July

51AQI

202279AQI

171

Highest AQI recorded in

September

103AQI

Lowest AQI recorded in

June

49AQI

202182AQI

195

Highest AQI recorded in

January

123AQI

Lowest AQI recorded in

May

56AQI

202077AQI

146

Highest AQI recorded in

November

104AQI

Lowest AQI recorded in

July

48AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

83AQI

Least Polluted Year Recorded

2024(Avg.)

74AQI

Sanshui Monitoring Station's annual 2025 AQI (83) shows an average percentage change of 4.6% (worsened AQI) compared to previous years: 2020 (77), 2021 (82), 2022 (79), 2023 (82), 2024 (74).


5 AM	36
6 AM	36
7 AM	36
8 AM	58
9 AM	76
10 AM	72
11 AM	72
12 PM	72
1 PM	72
2 PM	72
3 PM	72
4 PM	72
5 PM	67
6 PM	66
7 PM	63
8 PM	62
9 PM	63
10 PM	68
11 PM	62
12 AM	60
1 AM	40
2 AM	38
3 AM	44
4 AM

Sanshui Monitoring Station, Foshan, Guangdong, China Historical Air Quality Analysis

July Air Quality AnalysisSanshui Monitoring Station, Foshan, Guangdong, China

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025Sanshui Monitoring Station, Foshan, Guangdong, China

Day & Night AQI Trend : Jun - Jul 2025Sanshui Monitoring Station, Foshan, Guangdong, China

2025 Days Vs Air Quality Sanshui Monitoring Station, Foshan, Guangdong, China

Annual Air Quality InsightsSanshui Monitoring Station, Foshan, Guangdong, China

AQI levels in 2025

No. of days

July Air Quality Analysis
Sanshui Monitoring Station, Foshan, Guangdong, China

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Sanshui Monitoring Station, Foshan, Guangdong, China

Day & Night AQI Trend : Jun - Jul 2025
Sanshui Monitoring Station, Foshan, Guangdong, China

2025 Days Vs Air Quality
Sanshui Monitoring Station, Foshan, Guangdong, China

Annual Air Quality Insights
Sanshui Monitoring Station, Foshan, Guangdong, China