Algiers, Alger, Algeria 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
Algiers, Alger, Algeria

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	51	32	50		68
Jul. 2	46	32	35		75
Jul. 3		38	33		87
Jul. 4		37	45		70
Jul. 5		40	55		80
Jul. 6		31	45		70
Jul. 7		30	52	53	63
Jul. 8		30	38	54	62
Jul. 9		33	55	53	57
Jul. 10		38	71	55	56
Jul. 11		42		55	98
Jul. 12		44	112	60	122
Jul. 13		45	77	55	80
Jul. 14		36	58	65	53
Jul. 15		41	69	55	57
Jul. 16		47	63	54	51
Jul. 17		44	65	57	60
Jul. 18		39	85	59	58
Jul. 19		47	79	57	64
Jul. 20		50	102		60
Jul. 21		46	104		67
Jul. 22		43	60		67
Jul. 23		42	83		90
Jul. 24		40	64		87
Jul. 25		39	57		67
Jul. 26		37	45		63
Jul. 27		40	38		67
Jul. 28		41	32		67
Jul. 29		43	34		72
Jul. 30		45	40		93
Jul. 31		49	49		78

AQI Trends: Highest and Lowest

Highest AQI recorded on

12th Jul 2021

122AQI

Lowest AQI recorded on

7th Jul 2024

30AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2021 on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Algiers, Alger, Algeria

AQI

Day

Night

5 AM2nd Jul 2025

8 PM

4 AM3rd Jul 2025

Day time

Avg. Highest Time

8AM2nd Jul

52AQI

Avg. Lowest Time

5PM2nd Jul

37AQI

Night time

Avg. Highest Time

9PM2nd Jul

52AQI

Avg. Lowest Time

4AM3rd Jul

42AQI

In the last 24 hours,

Algiers's AQI reached its highest point of 52 at 8 AM during the Day, while the lowest point, 37, was recorded at 5 PM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Algiers, Alger, Algeria

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

24°C22/25°C

23°C21/25°C

24°C21/27°C

24°C22/27°C

25°C23/28°C

24°C22/26°C

25°C22/27°C

26°C23/29°C

25°C22/27°C

26°C22/29°C

27°C24/30°C

27°C25/29°C

25°C23/28°C

25°C23/27°C

25°C23/28°C

26°C24/29°C

26°C23/29°C

27°C24/30°C

27°C25/28°C

27°C24/30°C

26°C24/28°C

26°C24/29°C

27°C25/30°C

27°C25/29°C

5 AM

12 PM

8 PM

12 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 8 PM

55AQI

16 hours / Day

480 hours / Month

Avg. Lowest Time

5 AM - 8 PM

55AQI

16 hours / Day

480 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 55), while the lowest AQI was between 5 AM to 8 PM (Avg. 55).

Night time

Avg. Highest Time

12 AM - 11 PM

55AQI

8 hours / Day

240 hours / Month

Avg. Lowest Time

12 AM - 11 PM

55AQI

8 hours / Day

240 hours / Month

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

2025 Days Vs Air Quality
Algiers, Alger, Algeria

2025

55%

100

45%

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

Good

100 Days

Moderate

83 Days

Poor

0 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 55%

Health Risk Level:

Considerable

In 2025, 55% of 184 days were within WHO’s safe air quality limits, and 45% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights
Algiers, Alger, Algeria

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.

56AQI

46AQI

37AQI

43AQI

55AQI

49AQI

No. of days

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

202549AQI

100

Highest AQI recorded in

January

56AQI

Lowest AQI recorded in

April

37AQI

202454AQI

172

168

Highest AQI recorded in

September

71AQI

Lowest AQI recorded in

November

36AQI

202354AQI

142

185

Highest AQI recorded in

December

69AQI

Lowest AQI recorded in

May

40AQI

202264AQI

184

Highest AQI recorded in

January

74AQI

Lowest AQI recorded in

October

55AQI

202168AQI

255

Highest AQI recorded in

March

98AQI

Lowest AQI recorded in

November

40AQI

202065AQI

224

Highest AQI recorded in

November

69AQI

Lowest AQI recorded in

December

60AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2021(Avg.)

68AQI

Least Polluted Year Recorded

2025(Avg.)

49AQI

Algiers's annual 2025 AQI (49) shows an average percentage change of -19.1% (improved AQI) compared to previous years: 2020 (65), 2021 (68), 2022 (64), 2023 (54), 2024 (54).


5 AM	46
6 AM	46
7 AM	51
8 AM	52
9 AM	51
10 AM	46
11 AM	44
12 PM	38
1 PM	37
2 PM	37
3 PM	37
4 PM	37
5 PM	37
6 PM	44
7 PM	52
8 PM	52
9 PM	52
10 PM	52
11 PM	52
12 AM	52
1 AM	50
2 AM	49
3 AM	42
4 AM	42

Algiers, Alger, Algeria Historical Air Quality Analysis

July Air Quality AnalysisAlgiers, Alger, Algeria

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Algiers, Alger, Algeria

Day & Night AQI Trend : Jun - Jul 2025Algiers, Alger, Algeria

2025 Days Vs Air Quality Algiers, Alger, Algeria

Annual Air Quality InsightsAlgiers, Alger, Algeria

AQI levels in 2025

No. of days

July Air Quality Analysis
Algiers, Alger, Algeria

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Algiers, Alger, Algeria

Day & Night AQI Trend : Jun - Jul 2025
Algiers, Alger, Algeria

2025 Days Vs Air Quality
Algiers, Alger, Algeria

Annual Air Quality Insights
Algiers, Alger, Algeria