Gijon, Asturias, Spain 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
Gijon, Asturias, Spain

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	48	26	39	34	43
Jul. 2	35	26	23	34	55
Jul. 3		33	31	26	45
Jul. 4		27	29	27	35
Jul. 5		24	20	28	41
Jul. 6		28	28	33	39
Jul. 7		26	36	36	35
Jul. 8		29	30	35	33
Jul. 9		24	30	42	34
Jul. 10		26	38	42	40
Jul. 11		28	34	61	40
Jul. 12		26	24	45	31
Jul. 13		26	28	64	34
Jul. 14		36	37	61	34
Jul. 15		27	30	56	32
Jul. 16		31	47	92	29
Jul. 17		30	44	79	40
Jul. 18		35	32	62	44
Jul. 19		30	25	35	56
Jul. 20		40	23	45	66
Jul. 21		29	26	36	55
Jul. 22		32	28	30	45
Jul. 23		35	27	37	36
Jul. 24		26	29	44	32
Jul. 25		21	33		39
Jul. 26		24	25		36
Jul. 27		25	24		39
Jul. 28		24	28		29
Jul. 29		36	21		30
Jul. 30		38	28		34
Jul. 31		50	28		31

AQI Trends: Highest and Lowest

Highest AQI recorded on

16th Jul 2022

92AQI

Lowest AQI recorded on

5th Jul 2023

20AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 35 of Good air quality, showing improvement over 2021 on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Gijon, Asturias, Spain

AQI

Day

Night

6 AM2nd Jul 2025

10 PM

5 AM3rd Jul 2025

Day time

Avg. Highest Time

8AM2nd Jul

36AQI

Avg. Lowest Time

6PM2nd Jul

28AQI

Night time

Avg. Highest Time

11PM2nd Jul

36AQI

Avg. Lowest Time

5AM3rd Jul

32AQI

In the last 24 hours,

Gijon's AQI reached its highest point of 36 at 8 AM during the Day, while the lowest point, 28, was recorded at 6 PM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Gijon, Asturias, Spain

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

15°C13/19°C

16°C13/19°C

18°C13/23°C

17°C14/20°C

17°C13/21°C

17°C12/22°C

18°C13/24°C

19°C16/22°C

19°C14/24°C

18°C14/23°C

15°C14/16°C

16°C13/20°C

18°C13/23°C

20°C14/25°C

21°C15/28°C

21°C17/27°C

20°C15/26°C

18°C16/22°C

18°C14/23°C

19°C15/23°C

22°C16/31°C

19°C16/23°C

20°C16/25°C

21°C16/25°C

21°C17/26°C

23°C18/30°C

22°C18/28°C

20°C17/23°C

18°C17/21°C

6 AM

2 PM

10 PM

2 AM

5 AM

0°C0/0°C

Day time

Avg. Highest Time

6 AM - 10 PM

45AQI

17 hours / Day

510 hours / Month

Avg. Lowest Time

6 AM - 10 PM

45AQI

17 hours / Day

510 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 6 AM to 10 PM (Avg. 45), while the lowest AQI was between 6 AM to 10 PM (Avg. 45).

Night time

Avg. Highest Time

11 PM

45AQI

1 hours / Day

30 hours / Month

Avg. Lowest Time

12 AM - 5 AM

43AQI

6 hours / Day

180 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 45), while the lowest AQI was between 12 AM to 5 AM (Avg. 43).

2025 Days Vs Air Quality
Gijon, Asturias, Spain

2025

82%

150

18%

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

Good

150 Days

Moderate

33 Days

Poor

0 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 82%

Health Risk Level:

Low

In 2025, 82% of 184 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights
Gijon, Asturias, Spain

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.

44AQI

35AQI

34AQI

31AQI

44AQI

42AQI

No. of days

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

202539AQI

150

Highest AQI recorded in

January

44AQI

Lowest AQI recorded in

May

31AQI

202439AQI

313

Highest AQI recorded in

November

49AQI

Lowest AQI recorded in

July

30AQI

202339AQI

298

Highest AQI recorded in

February

52AQI

Lowest AQI recorded in

August

28AQI

202244AQI

226

Highest AQI recorded in

January

60AQI

Lowest AQI recorded in

September

38AQI

202143AQI

284

Highest AQI recorded in

March

52AQI

Lowest AQI recorded in

August

33AQI

202039AQI

218

Highest AQI recorded in

November

50AQI

Lowest AQI recorded in

March

29AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2022(Avg.)

44AQI

Least Polluted Year Recorded

2024(Avg.)

39AQI

Gijon's annual 2025 AQI (39) shows an average percentage change of -4.9% (improved AQI) compared to previous years: 2020 (39), 2021 (43), 2022 (44), 2023 (39), 2024 (39).


6 AM	33
7 AM	35
8 AM	36
9 AM	33
10 AM	30
11 AM	29
12 PM	28
1 PM	28
2 PM	28
3 PM	28
4 PM	28
5 PM	28
6 PM	28
7 PM	34
8 PM	36
9 PM	36
10 PM	36
11 PM	36
12 AM	36
1 AM	36
2 AM	35
3 AM	33
4 AM	32
5 AM	32

Gijon, Asturias, Spain Historical Air Quality Analysis

July Air Quality AnalysisGijon, Asturias, Spain

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Gijon, Asturias, Spain

Day & Night AQI Trend : Jun - Jul 2025Gijon, Asturias, Spain

2025 Days Vs Air Quality Gijon, Asturias, Spain

Annual Air Quality InsightsGijon, Asturias, Spain

AQI levels in 2025

No. of days

July Air Quality Analysis
Gijon, Asturias, Spain

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Gijon, Asturias, Spain

Day & Night AQI Trend : Jun - Jul 2025
Gijon, Asturias, Spain

2025 Days Vs Air Quality
Gijon, Asturias, Spain

Annual Air Quality Insights
Gijon, Asturias, Spain