Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Semnan, Semnan, Iran 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+

August Air Quality Analysis

Semnan, Semnan, Iran

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Aug 2023
120AQI
Lowest AQI recorded on
9th Aug 2021
26AQI

Same Day Analysis (18th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 91 of Moderate air quality, showing improvement over 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 19th Aug - 20th Aug 2025

Semnan, Semnan, Iran

AQI
Day
Night
.

6 AM19th Aug 2025

7 PM

5 AM20th Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
11AM19th Aug

126AQI

Avg. Lowest Time
6AM19th Aug

83AQI

In the last 24 hours,

Semnan's AQI reached its highest point of 126 at 11 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 19th Aug and 20th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Semnan, Semnan, Iran

JulAug
21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th
Day
Night
21st Jul 2025826 AMAQI
21st Jul 2025837 AMAQI
21st Jul 2025888 AMAQI
21st Jul 2025859 AMAQI
21st Jul 20258410 AMAQI
21st Jul 20258411 AMAQI
21st Jul 20258812 PMAQI
21st Jul 2025861 PMAQI
21st Jul 2025892 PMAQI
21st Jul 2025823 PMAQI
21st Jul 2025844 PMAQI
21st Jul 2025845 PMAQI
21st Jul 2025856 PMAQI
21st Jul 2025847 PMAQI
21st Jul 2025838 PMAQI
21st Jul 2025869 PMAQI
21st Jul 20258510 PMAQI
21st Jul 20258411 PMAQI
22nd Jul 20258412 AMAQI
22nd Jul 2025841 AMAQI
22nd Jul 2025852 AMAQI
22nd Jul 2025813 AMAQI
22nd Jul 2025774 AMAQI
22nd Jul 2025935 AMAQI

31°C23/38°C

22nd Jul 2025946 AMAQI
22nd Jul 2025867 AMAQI
22nd Jul 2025868 AMAQI
22nd Jul 2025849 AMAQI
22nd Jul 20259410 AMAQI
22nd Jul 20258811 AMAQI
22nd Jul 20258612 PMAQI
22nd Jul 2025911 PMAQI
22nd Jul 2025862 PMAQI
22nd Jul 2025863 PMAQI
22nd Jul 2025864 PMAQI
22nd Jul 2025825 PMAQI
22nd Jul 2025856 PMAQI
22nd Jul 2025877 PMAQI
22nd Jul 2025888 PMAQI
22nd Jul 2025859 PMAQI
22nd Jul 20258910 PMAQI
22nd Jul 20258511 PMAQI
23rd Jul 20258212 AMAQI
23rd Jul 2025961 AMAQI
23rd Jul 2025962 AMAQI
23rd Jul 2025863 AMAQI
23rd Jul 2025774 AMAQI
23rd Jul 2025705 AMAQI

30°C22/37°C

23rd Jul 2025826 AMAQI
23rd Jul 2025797 AMAQI
23rd Jul 2025908 AMAQI
23rd Jul 2025889 AMAQI
23rd Jul 20257910 AMAQI
23rd Jul 20258211 AMAQI
23rd Jul 20257812 PMAQI
23rd Jul 2025821 PMAQI
23rd Jul 2025752 PMAQI
23rd Jul 2025773 PMAQI
23rd Jul 2025784 PMAQI
23rd Jul 2025805 PMAQI
23rd Jul 2025866 PMAQI
23rd Jul 2025807 PMAQI
23rd Jul 2025868 PMAQI
23rd Jul 20251029 PMAQI
23rd Jul 20257810 PMAQI
23rd Jul 20258511 PMAQI
24th Jul 20258512 AMAQI
24th Jul 2025861 AMAQI
24th Jul 2025962 AMAQI
24th Jul 2025843 AMAQI
24th Jul 2025644 AMAQI
24th Jul 2025785 AMAQI

29°C21/36°C

24th Jul 2025786 AMAQI
24th Jul 2025947 AMAQI
24th Jul 2025888 AMAQI
24th Jul 2025989 AMAQI
24th Jul 20258710 AMAQI
24th Jul 20258311 AMAQI
24th Jul 20257812 PMAQI
24th Jul 2025731 PMAQI
24th Jul 2025862 PMAQI
24th Jul 2025793 PMAQI
24th Jul 2025784 PMAQI
24th Jul 2025745 PMAQI
24th Jul 2025856 PMAQI
24th Jul 2025847 PMAQI
24th Jul 2025808 PMAQI
24th Jul 2025709 PMAQI
24th Jul 20259010 PMAQI
24th Jul 20257511 PMAQI
25th Jul 20257712 AMAQI
25th Jul 2025741 AMAQI
25th Jul 2025792 AMAQI
25th Jul 2025853 AMAQI
25th Jul 2025964 AMAQI
25th Jul 2025915 AMAQI

30°C22/37°C

25th Jul 2025826 AMAQI
25th Jul 2025877 AMAQI
25th Jul 2025758 AMAQI
25th Jul 2025769 AMAQI
25th Jul 20256610 AMAQI
25th Jul 20256411 AMAQI
25th Jul 20256512 PMAQI
25th Jul 2025641 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025703 PMAQI
25th Jul 2025744 PMAQI
25th Jul 2025805 PMAQI
25th Jul 2025706 PMAQI
25th Jul 2025827 PMAQI
25th Jul 2025788 PMAQI
25th Jul 2025839 PMAQI
25th Jul 20258610 PMAQI
25th Jul 20258511 PMAQI
26th Jul 20258712 AMAQI
26th Jul 2025801 AMAQI
26th Jul 2025802 AMAQI
26th Jul 2025753 AMAQI
26th Jul 2025704 AMAQI
26th Jul 2025695 AMAQI

29°C22/35°C

26th Jul 2025716 AMAQI
26th Jul 2025667 AMAQI
26th Jul 2025678 AMAQI
26th Jul 2025659 AMAQI
26th Jul 20256910 AMAQI
26th Jul 20256611 AMAQI
26th Jul 20256912 PMAQI
26th Jul 2025661 PMAQI
26th Jul 2025602 PMAQI
26th Jul 2025603 PMAQI
26th Jul 2025634 PMAQI
26th Jul 2025675 PMAQI
26th Jul 2025666 PMAQI
26th Jul 2025667 PMAQI
26th Jul 2025698 PMAQI
26th Jul 2025699 PMAQI
26th Jul 20256810 PMAQI
26th Jul 20257211 PMAQI
27th Jul 20256812 AMAQI
27th Jul 2025661 AMAQI
27th Jul 2025622 AMAQI
27th Jul 2025703 AMAQI
27th Jul 2025634 AMAQI
27th Jul 2025645 AMAQI

28°C20/35°C

27th Jul 2025666 AMAQI
27th Jul 2025717 AMAQI
27th Jul 2025688 AMAQI
27th Jul 2025689 AMAQI
27th Jul 20257010 AMAQI
27th Jul 20256911 AMAQI
27th Jul 20256912 PMAQI
27th Jul 2025681 PMAQI
27th Jul 2025682 PMAQI
27th Jul 2025693 PMAQI
27th Jul 2025714 PMAQI
27th Jul 2025745 PMAQI
27th Jul 2025746 PMAQI
27th Jul 2025657 PMAQI
27th Jul 2025758 PMAQI
27th Jul 2025819 PMAQI
27th Jul 202511210 PMAQI
27th Jul 20259111 PMAQI
28th Jul 20257812 AMAQI
28th Jul 2025741 AMAQI
28th Jul 2025762 AMAQI
28th Jul 2025743 AMAQI
28th Jul 2025704 AMAQI
28th Jul 2025675 AMAQI

28°C21/34°C

28th Jul 2025706 AMAQI
28th Jul 2025707 AMAQI
28th Jul 2025728 AMAQI
28th Jul 2025749 AMAQI
28th Jul 20257210 AMAQI
28th Jul 20256611 AMAQI
28th Jul 20256812 PMAQI
28th Jul 2025651 PMAQI
28th Jul 2025682 PMAQI
28th Jul 2025723 PMAQI
28th Jul 2025694 PMAQI
28th Jul 2025735 PMAQI
28th Jul 2025726 PMAQI
28th Jul 2025707 PMAQI
28th Jul 2025728 PMAQI
28th Jul 2025809 PMAQI
28th Jul 20257610 PMAQI
28th Jul 20257611 PMAQI
29th Jul 20258512 AMAQI
29th Jul 2025761 AMAQI
29th Jul 2025822 AMAQI
29th Jul 2025803 AMAQI
29th Jul 2025704 AMAQI
29th Jul 2025725 AMAQI

29°C23/35°C

29th Jul 2025806 AMAQI
29th Jul 2025757 AMAQI
29th Jul 2025768 AMAQI
29th Jul 2025769 AMAQI
29th Jul 20258010 AMAQI
29th Jul 20258011 AMAQI
29th Jul 20257112 PMAQI
29th Jul 2025811 PMAQI
29th Jul 2025742 PMAQI
29th Jul 2025743 PMAQI
29th Jul 2025704 PMAQI
29th Jul 2025625 PMAQI
29th Jul 2025706 PMAQI
29th Jul 2025767 PMAQI
29th Jul 2025708 PMAQI
29th Jul 2025829 PMAQI
29th Jul 20258810 PMAQI
29th Jul 20259611 PMAQI
30th Jul 20259412 AMAQI
30th Jul 2025871 AMAQI
30th Jul 2025832 AMAQI
30th Jul 2025863 AMAQI
30th Jul 2025734 AMAQI
30th Jul 2025655 AMAQI

31°C24/37°C

30th Jul 2025666 AMAQI
30th Jul 2025767 AMAQI
30th Jul 2025868 AMAQI
30th Jul 2025769 AMAQI
30th Jul 20257710 AMAQI
30th Jul 20256911 AMAQI
30th Jul 20257212 PMAQI
30th Jul 2025781 PMAQI
30th Jul 2025682 PMAQI
30th Jul 2025703 PMAQI
30th Jul 2025734 PMAQI
30th Jul 2025775 PMAQI
30th Jul 2025786 PMAQI
30th Jul 2025767 PMAQI
30th Jul 2025848 PMAQI
30th Jul 2025899 PMAQI
30th Jul 20259710 PMAQI
30th Jul 20259511 PMAQI
31st Jul 20259512 AMAQI
31st Jul 2025951 AMAQI
31st Jul 2025952 AMAQI
31st Jul 2025953 AMAQI
31st Jul 2025954 AMAQI
31st Jul 2025905 AMAQI

31°C23/37°C

31st Jul 2025686 AMAQI
31st Jul 2025767 AMAQI
31st Jul 2025738 AMAQI
31st Jul 2025769 AMAQI
31st Jul 20257110 AMAQI
31st Jul 20257311 AMAQI
31st Jul 20257512 PMAQI
31st Jul 2025721 PMAQI
31st Jul 2025722 PMAQI
31st Jul 2025843 PMAQI
31st Jul 2025804 PMAQI
31st Jul 2025965 PMAQI
31st Jul 2025796 PMAQI
31st Jul 2025837 PMAQI
31st Jul 2025828 PMAQI
31st Jul 2025869 PMAQI
31st Jul 20259210 PMAQI
31st Jul 20259311 PMAQI
1st Aug 20259512 AMAQI
1st Aug 2025861 AMAQI
1st Aug 2025882 AMAQI
1st Aug 2025933 AMAQI
1st Aug 2025974 AMAQI
1st Aug 20251005 AMAQI

30°C23/36°C

1st Aug 2025996 AMAQI
1st Aug 20251087 AMAQI
1st Aug 20251018 AMAQI
1st Aug 20251129 AMAQI
1st Aug 20258110 AMAQI
1st Aug 202510011 AMAQI
1st Aug 202510212 PMAQI
1st Aug 20251001 PMAQI
1st Aug 20251062 PMAQI
1st Aug 2025933 PMAQI
1st Aug 2025914 PMAQI
1st Aug 2025965 PMAQI
1st Aug 2025906 PMAQI
1st Aug 2025977 PMAQI
1st Aug 2025928 PMAQI
1st Aug 2025889 PMAQI
1st Aug 20259410 PMAQI
1st Aug 20259311 PMAQI
2nd Aug 20259012 AMAQI
2nd Aug 2025961 AMAQI
2nd Aug 2025942 AMAQI
2nd Aug 20251043 AMAQI
2nd Aug 2025984 AMAQI
2nd Aug 20251015 AMAQI

29°C21/36°C

2nd Aug 2025976 AMAQI
2nd Aug 2025987 AMAQI
2nd Aug 2025938 AMAQI
2nd Aug 2025959 AMAQI
2nd Aug 20259010 AMAQI
2nd Aug 20258711 AMAQI
2nd Aug 20259112 PMAQI
2nd Aug 2025841 PMAQI
2nd Aug 20251012 PMAQI
2nd Aug 2025843 PMAQI
2nd Aug 2025894 PMAQI
2nd Aug 2025895 PMAQI
2nd Aug 2025906 PMAQI
2nd Aug 2025927 PMAQI
2nd Aug 2025938 PMAQI
2nd Aug 2025939 PMAQI
2nd Aug 202510610 PMAQI
2nd Aug 20259311 PMAQI
3rd Aug 20259412 AMAQI
3rd Aug 2025891 AMAQI
3rd Aug 2025922 AMAQI
3rd Aug 2025843 AMAQI
3rd Aug 2025974 AMAQI
3rd Aug 2025995 AMAQI

30°C21/37°C

3rd Aug 2025946 AMAQI
3rd Aug 2025907 AMAQI
3rd Aug 2025988 AMAQI
3rd Aug 2025889 AMAQI
3rd Aug 20258710 AMAQI
3rd Aug 20259311 AMAQI
3rd Aug 20259312 PMAQI
3rd Aug 2025901 PMAQI
3rd Aug 2025942 PMAQI
3rd Aug 2025883 PMAQI
3rd Aug 2025864 PMAQI
3rd Aug 2025865 PMAQI
3rd Aug 2025936 PMAQI
3rd Aug 2025947 PMAQI
3rd Aug 2025878 PMAQI
3rd Aug 2025849 PMAQI
3rd Aug 20258710 PMAQI
3rd Aug 20259411 PMAQI
4th Aug 20259212 AMAQI
4th Aug 2025861 AMAQI
4th Aug 2025872 AMAQI
4th Aug 2025923 AMAQI
4th Aug 2025944 AMAQI
4th Aug 2025815 AMAQI

30°C22/37°C

4th Aug 2025936 AMAQI
4th Aug 2025947 AMAQI
4th Aug 20251098 AMAQI
4th Aug 2025929 AMAQI
4th Aug 202510110 AMAQI
4th Aug 20258811 AMAQI
4th Aug 20259012 PMAQI
4th Aug 2025891 PMAQI
4th Aug 2025902 PMAQI
4th Aug 2025923 PMAQI
4th Aug 20251104 PMAQI
4th Aug 2025945 PMAQI
4th Aug 2025936 PMAQI
4th Aug 2025957 PMAQI
4th Aug 2025908 PMAQI
4th Aug 20251009 PMAQI
4th Aug 202510310 PMAQI
4th Aug 20258311 PMAQI
5th Aug 20259512 AMAQI
5th Aug 2025841 AMAQI
5th Aug 2025902 AMAQI
5th Aug 2025903 AMAQI
5th Aug 2025844 AMAQI
5th Aug 2025855 AMAQI

30°C22/37°C

5th Aug 20251046 AMAQI
5th Aug 20251087 AMAQI
5th Aug 2025928 AMAQI
5th Aug 2025989 AMAQI
5th Aug 202510410 AMAQI
5th Aug 202511311 AMAQI
5th Aug 20258712 PMAQI
5th Aug 2025971 PMAQI
5th Aug 2025892 PMAQI
5th Aug 2025993 PMAQI
5th Aug 2025984 PMAQI
5th Aug 2025965 PMAQI
5th Aug 2025936 PMAQI
5th Aug 2025907 PMAQI
5th Aug 2025948 PMAQI
5th Aug 2025909 PMAQI
5th Aug 20259010 PMAQI
5th Aug 20259011 PMAQI
6th Aug 20258812 AMAQI
6th Aug 2025971 AMAQI
6th Aug 2025892 AMAQI
6th Aug 2025883 AMAQI
6th Aug 2025864 AMAQI
6th Aug 2025825 AMAQI

30°C22/38°C

6th Aug 2025966 AMAQI
6th Aug 2025897 AMAQI
6th Aug 2025818 AMAQI
6th Aug 2025869 AMAQI
6th Aug 20257810 AMAQI
6th Aug 20259811 AMAQI
6th Aug 20258112 PMAQI
6th Aug 2025961 PMAQI
6th Aug 2025892 PMAQI
6th Aug 2025923 PMAQI
6th Aug 2025974 PMAQI
6th Aug 20251035 PMAQI
6th Aug 20251126 PMAQI
6th Aug 20251167 PMAQI
6th Aug 2025908 PMAQI
6th Aug 2025989 PMAQI
6th Aug 20259210 PMAQI
6th Aug 20258211 PMAQI
7th Aug 20258412 AMAQI
7th Aug 2025821 AMAQI
7th Aug 2025902 AMAQI
7th Aug 20251183 AMAQI
7th Aug 20251004 AMAQI
7th Aug 20251045 AMAQI

30°C22/37°C

7th Aug 20251026 AMAQI
7th Aug 2025927 AMAQI
7th Aug 20251148 AMAQI
7th Aug 20251109 AMAQI
7th Aug 20259310 AMAQI
7th Aug 20259211 AMAQI
7th Aug 20258612 PMAQI
7th Aug 2025781 PMAQI
7th Aug 2025902 PMAQI
7th Aug 2025793 PMAQI
7th Aug 2025714 PMAQI
7th Aug 2025765 PMAQI
7th Aug 2025766 PMAQI
7th Aug 2025797 PMAQI
7th Aug 2025878 PMAQI
7th Aug 2025899 PMAQI
7th Aug 20258610 PMAQI
7th Aug 20258611 PMAQI
8th Aug 20258812 AMAQI
8th Aug 2025911 AMAQI
8th Aug 2025842 AMAQI
8th Aug 2025823 AMAQI
8th Aug 2025744 AMAQI
8th Aug 2025755 AMAQI

29°C21/37°C

8th Aug 2025756 AMAQI
8th Aug 2025817 AMAQI
8th Aug 2025928 AMAQI
8th Aug 2025829 AMAQI
8th Aug 20258310 AMAQI
8th Aug 20258811 AMAQI
8th Aug 20257912 PMAQI
8th Aug 2025771 PMAQI
8th Aug 2025862 PMAQI
8th Aug 2025823 PMAQI
8th Aug 2025754 PMAQI
8th Aug 2025785 PMAQI
8th Aug 2025726 PMAQI
8th Aug 2025807 PMAQI
8th Aug 2025788 PMAQI
8th Aug 2025799 PMAQI
8th Aug 20258410 PMAQI
8th Aug 20259011 PMAQI
9th Aug 202510812 AMAQI
9th Aug 2025821 AMAQI
9th Aug 2025802 AMAQI
9th Aug 2025883 AMAQI
9th Aug 2025794 AMAQI
9th Aug 2025745 AMAQI

29°C21/36°C

9th Aug 2025656 AMAQI
9th Aug 2025747 AMAQI
9th Aug 2025938 AMAQI
9th Aug 2025919 AMAQI
9th Aug 202510010 AMAQI
9th Aug 20258811 AMAQI
9th Aug 20257712 PMAQI
9th Aug 2025721 PMAQI
9th Aug 2025762 PMAQI
9th Aug 2025743 PMAQI
9th Aug 2025734 PMAQI
9th Aug 2025725 PMAQI
9th Aug 2025826 PMAQI
9th Aug 2025847 PMAQI
9th Aug 2025878 PMAQI
9th Aug 2025879 PMAQI
9th Aug 20257910 PMAQI
9th Aug 20258111 PMAQI
10th Aug 20258912 AMAQI
10th Aug 2025921 AMAQI
10th Aug 2025922 AMAQI
10th Aug 2025933 AMAQI
10th Aug 2025704 AMAQI
10th Aug 2025705 AMAQI

29°C21/36°C

10th Aug 2025836 AMAQI
10th Aug 2025947 AMAQI
10th Aug 2025948 AMAQI
10th Aug 2025949 AMAQI
10th Aug 20258310 AMAQI
10th Aug 20258211 AMAQI
10th Aug 20257812 PMAQI
10th Aug 2025771 PMAQI
10th Aug 2025712 PMAQI
10th Aug 2025853 PMAQI
10th Aug 2025914 PMAQI
10th Aug 2025805 PMAQI
10th Aug 2025786 PMAQI
10th Aug 2025767 PMAQI
10th Aug 2025758 PMAQI
10th Aug 2025779 PMAQI
10th Aug 20257810 PMAQI
10th Aug 20257611 PMAQI
11th Aug 202510212 AMAQI
11th Aug 2025821 AMAQI
11th Aug 2025952 AMAQI
11th Aug 2025913 AMAQI
11th Aug 2025884 AMAQI
11th Aug 2025905 AMAQI

29°C20/36°C

11th Aug 2025936 AMAQI
11th Aug 20251017 AMAQI
11th Aug 2025928 AMAQI
11th Aug 2025979 AMAQI
11th Aug 202510110 AMAQI
11th Aug 20259311 AMAQI
11th Aug 202510012 PMAQI
11th Aug 2025781 PMAQI
11th Aug 2025912 PMAQI
11th Aug 2025963 PMAQI
11th Aug 20251024 PMAQI
11th Aug 2025975 PMAQI
11th Aug 2025876 PMAQI
11th Aug 2025987 PMAQI
11th Aug 20251028 PMAQI
11th Aug 2025999 PMAQI
11th Aug 20259610 PMAQI
11th Aug 20259211 PMAQI
12th Aug 20259212 AMAQI
12th Aug 2025901 AMAQI
12th Aug 2025872 AMAQI
12th Aug 2025993 AMAQI
12th Aug 2025834 AMAQI
12th Aug 2025785 AMAQI

29°C21/34°C

12th Aug 2025836 AMAQI
12th Aug 2025717 AMAQI
12th Aug 2025808 AMAQI
12th Aug 2025859 AMAQI
12th Aug 202510210 AMAQI
12th Aug 20258711 AMAQI
12th Aug 20259512 PMAQI
12th Aug 2025741 PMAQI
12th Aug 20251052 PMAQI
12th Aug 20251083 PMAQI
12th Aug 20251004 PMAQI
12th Aug 2025975 PMAQI
12th Aug 2025916 PMAQI
12th Aug 2025927 PMAQI
12th Aug 2025908 PMAQI
12th Aug 2025939 PMAQI
12th Aug 20259610 PMAQI
12th Aug 202510611 PMAQI
13th Aug 202510712 AMAQI
13th Aug 20251021 AMAQI
13th Aug 20251062 AMAQI
13th Aug 2025963 AMAQI
13th Aug 2025854 AMAQI
13th Aug 2025825 AMAQI

29°C21/35°C

13th Aug 2025926 AMAQI
13th Aug 2025807 AMAQI
13th Aug 2025768 AMAQI
13th Aug 2025739 AMAQI
13th Aug 20258910 AMAQI
13th Aug 20258111 AMAQI
13th Aug 20258612 PMAQI
13th Aug 20251041 PMAQI
13th Aug 20251002 PMAQI
13th Aug 2025823 PMAQI
13th Aug 2025924 PMAQI
13th Aug 2025795 PMAQI
13th Aug 2025846 PMAQI
13th Aug 2025947 PMAQI
13th Aug 2025958 PMAQI
13th Aug 2025889 PMAQI
13th Aug 20259910 PMAQI
13th Aug 202510011 PMAQI
14th Aug 202510412 AMAQI
14th Aug 2025871 AMAQI
14th Aug 2025912 AMAQI
14th Aug 20251073 AMAQI
14th Aug 20251004 AMAQI
14th Aug 2025955 AMAQI

29°C22/36°C

14th Aug 2025856 AMAQI
14th Aug 2025827 AMAQI
14th Aug 2025858 AMAQI
14th Aug 2025949 AMAQI
14th Aug 20257410 AMAQI
14th Aug 20258711 AMAQI
14th Aug 20258012 PMAQI
14th Aug 2025711 PMAQI
14th Aug 2025752 PMAQI
14th Aug 2025803 PMAQI
14th Aug 2025764 PMAQI
14th Aug 2025745 PMAQI
14th Aug 2025846 PMAQI
14th Aug 2025787 PMAQI
14th Aug 2025738 PMAQI
14th Aug 2025809 PMAQI
14th Aug 20258010 PMAQI
14th Aug 20258411 PMAQI
15th Aug 20258112 AMAQI
15th Aug 2025731 AMAQI
15th Aug 2025712 AMAQI
15th Aug 2025783 AMAQI
15th Aug 2025864 AMAQI
15th Aug 20251085 AMAQI

28°C23/33°C

15th Aug 20251036 AMAQI
15th Aug 20251137 AMAQI
15th Aug 2025848 AMAQI
15th Aug 2025849 AMAQI
15th Aug 20258410 AMAQI
15th Aug 20257411 AMAQI
15th Aug 20258912 PMAQI
15th Aug 2025741 PMAQI
15th Aug 2025862 PMAQI
15th Aug 2025753 PMAQI
15th Aug 2025834 PMAQI
15th Aug 2025825 PMAQI
15th Aug 2025746 PMAQI
15th Aug 2025797 PMAQI
15th Aug 2025888 PMAQI
15th Aug 2025919 PMAQI
15th Aug 202510210 PMAQI
15th Aug 20259511 PMAQI
16th Aug 20259012 AMAQI
16th Aug 2025721 AMAQI
16th Aug 2025772 AMAQI
16th Aug 2025943 AMAQI
16th Aug 2025884 AMAQI
16th Aug 2025885 AMAQI

28°C23/32°C

16th Aug 20251116 AMAQI
16th Aug 2025957 AMAQI
16th Aug 2025828 AMAQI
16th Aug 20251209 AMAQI
16th Aug 202510410 AMAQI
16th Aug 20259711 AMAQI
16th Aug 20259812 PMAQI
16th Aug 2025911 PMAQI
16th Aug 2025922 PMAQI
16th Aug 2025913 PMAQI
16th Aug 2025964 PMAQI
16th Aug 2025925 PMAQI
16th Aug 2025836 PMAQI
16th Aug 20251127 PMAQI
16th Aug 2025798 PMAQI
16th Aug 2025819 PMAQI
16th Aug 20258610 PMAQI
16th Aug 20259011 PMAQI
17th Aug 20258812 AMAQI
17th Aug 2025911 AMAQI
17th Aug 2025852 AMAQI
17th Aug 2025703 AMAQI
17th Aug 20251084 AMAQI
17th Aug 2025965 AMAQI

29°C23/34°C

17th Aug 2025776 AMAQI
17th Aug 2025747 AMAQI
17th Aug 2025878 AMAQI
17th Aug 2025799 AMAQI
17th Aug 20258210 AMAQI
17th Aug 20259211 AMAQI
17th Aug 20257812 PMAQI
17th Aug 2025851 PMAQI
17th Aug 2025842 PMAQI
17th Aug 2025903 PMAQI
17th Aug 2025874 PMAQI
17th Aug 2025755 PMAQI
17th Aug 2025826 PMAQI
17th Aug 2025787 PMAQI
17th Aug 2025778 PMAQI
17th Aug 2025839 PMAQI
17th Aug 20258410 PMAQI
17th Aug 20258511 PMAQI
18th Aug 20259112 AMAQI
18th Aug 2025861 AMAQI
18th Aug 2025832 AMAQI
18th Aug 2025823 AMAQI
18th Aug 2025844 AMAQI
18th Aug 2025875 AMAQI

28°C22/34°C

18th Aug 2025936 AMAQI
18th Aug 2025967 AMAQI
18th Aug 2025848 AMAQI
18th Aug 2025709 AMAQI
18th Aug 20258410 AMAQI
18th Aug 20257711 AMAQI
18th Aug 20259512 PMAQI
18th Aug 2025841 PMAQI
18th Aug 2025882 PMAQI
18th Aug 2025883 PMAQI
18th Aug 2025974 PMAQI
18th Aug 2025925 PMAQI
18th Aug 20251086 PMAQI
18th Aug 2025887 PMAQI
18th Aug 20251028 PMAQI
18th Aug 2025959 PMAQI
18th Aug 202510610 PMAQI
18th Aug 20259711 PMAQI
19th Aug 20258812 AMAQI
19th Aug 2025811 AMAQI
19th Aug 2025842 AMAQI
19th Aug 20251103 AMAQI
19th Aug 20251314 AMAQI
19th Aug 20251095 AMAQI

28°C22/34°C

19th Aug 2025836 AMAQI
19th Aug 2025927 AMAQI
19th Aug 2025998 AMAQI
19th Aug 20251059 AMAQI
19th Aug 20259410 AMAQI
19th Aug 202512611 AMAQI
19th Aug 20258612 PMAQI
19th Aug 2025931 PMAQI
19th Aug 2025842 PMAQI
19th Aug 2025933 PMAQI
19th Aug 2025884 PMAQI
19th Aug 2025945 PMAQI
19th Aug 2025906 PMAQI
19th Aug 20251027 PMAQI
19th Aug 2025938 PMAQI
19th Aug 20251009 PMAQI
19th Aug 202510410 PMAQI
19th Aug 202511511 PMAQI
20th Aug 202510812 AMAQI
20th Aug 2025971 AMAQI

--°C/°C

6 AM
12 PM
7 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 7 PM

85AQI

14 hours / Day
420 hours / Month
Avg. Lowest Time
6 AM - 7 PM

85AQI

14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 PM (Avg. 85), while the lowest AQI was between 6 AM to 7 PM (Avg. 85).
Night time
Avg. Highest Time
12 AM - 11 PM

87AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM

87AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 87), while the lowest AQI was between 12 AM to 11 PM (Avg. 87).

2025 Days Vs Air Quality

Semnan, Semnan, Iran

2025

3%

6

87%

200

10%

24

Total number of days with different AQI categories in last 231 days in 2025 (134 days remaining)

Good
6 Days
Moderate
200 Days
Poor
24 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 3%

Health Risk Level:

Extreme

In 2025, 3% of 231 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

Semnan, Semnan, Iran

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

1st January 2025
79AQI
2nd January 2025
70AQI
3rd January 2025
71AQI
4th January 2025
78AQI
5th January 2025
84AQI
6th January 2025
85AQI
7th January 2025
83AQI
8th January 2025
75AQI
9th January 2025
80AQI
10th January 2025
83AQI
11th January 2025
84AQI
12th January 2025
96AQI
13th January 2025
85AQI
14th January 2025
84AQI
15th January 2025
87AQI
16th January 2025
84AQI
17th January 2025
72AQI
18th January 2025
64AQI
19th January 2025
74AQI
20th January 2025
65AQI
21st January 2025
61AQI
22nd January 2025
64AQI
23rd January 2025
70AQI
24th January 2025
68AQI
25th January 2025
73AQI
26th January 2025
79AQI
27th January 2025
101AQI
28th January 2025
78AQI
29th January 2025
82AQI
30th January 2025
122AQI
31st January 2025
143AQI
1st February 2025
122AQI
2nd February 2025
135AQI
3rd February 2025
101AQI
4th February 2025
82AQI
5th February 2025
74AQI
6th February 2025
68AQI
7th February 2025
65AQI
8th February 2025
60AQI
9th February 2025
56AQI
10th February 2025
58AQI
11th February 2025
72AQI
12th February 2025
82AQI
13th February 2025
74AQI
14th February 2025
64AQI
15th February 2025
69AQI
16th February 2025
55AQI
17th February 2025
53AQI
18th February 2025
57AQI
19th February 2025
55AQI
20th February 2025
59AQI
21st February 2025
51AQI
22nd February 2025
47AQI
23rd February 2025
50AQI
24th February 2025
50AQI
25th February 2025
61AQI
26th February 2025
56AQI
27th February 2025
56AQI
28th February 2025
46AQI
1st March 2025
51AQI
2nd March 2025
40AQI
3rd March 2025
45AQI
4th March 2025
51AQI
5th March 2025
57AQI
6th March 2025
55AQI
7th March 2025
56AQI
8th March 2025
51AQI
9th March 2025
52AQI
10th March 2025
51AQI
11th March 2025
52AQI
12th March 2025
57AQI
13th March 2025
63AQI
14th March 2025
77AQI
15th March 2025
123AQI
16th March 2025
133AQI
17th March 2025
120AQI
18th March 2025
134AQI
19th March 2025
136AQI
20th March 2025
124AQI
21st March 2025
99AQI
22nd March 2025
71AQI
23rd March 2025
67AQI
24th March 2025
80AQI
25th March 2025
59AQI
26th March 2025
82AQI
27th March 2025
80AQI
28th March 2025
82AQI
29th March 2025
77AQI
30th March 2025
78AQI
31st March 2025
80AQI
1st April 2025
64AQI
2nd April 2025
77AQI
3rd April 2025
70AQI
4th April 2025
71AQI
5th April 2025
70AQI
6th April 2025
66AQI
7th April 2025
71AQI
8th April 2025
79AQI
9th April 2025
73AQI
10th April 2025
74AQI
11th April 2025
79AQI
12th April 2025
77AQI
13th April 2025
76AQI
14th April 2025
83AQI
15th April 2025
81AQI
16th April 2025
79AQI
17th April 2025
65AQI
18th April 2025
64AQI
19th April 2025
68AQI
20th April 2025
71AQI
21st April 2025
61AQI
22nd April 2025
66AQI
23rd April 2025
67AQI
24th April 2025
73AQI
25th April 2025
83AQI
26th April 2025
90AQI
27th April 2025
86AQI
28th April 2025
78AQI
29th April 2025
77AQI
30th April 2025
86AQI
1st May 2025
76AQI
2nd May 2025
73AQI
3rd May 2025
70AQI
4th May 2025
72AQI
5th May 2025
75AQI
6th May 2025
78AQI
7th May 2025
78AQI
8th May 2025
79AQI
9th May 2025
71AQI
10th May 2025
72AQI
11th May 2025
70AQI
12th May 2025
69AQI
13th May 2025
69AQI
14th May 2025
80AQI
15th May 2025
73AQI
16th May 2025
75AQI
17th May 2025
84AQI
18th May 2025
81AQI
19th May 2025
80AQI
20th May 2025
79AQI
21st May 2025
83AQI
22nd May 2025
100AQI
23rd May 2025
96AQI
24th May 2025
76AQI
25th May 2025
73AQI
26th May 2025
77AQI
27th May 2025
76AQI
28th May 2025
78AQI
29th May 2025
77AQI
30th May 2025
80AQI
31st May 2025
74AQI
1st June 2025
70AQI
2nd June 2025
78AQI
3rd June 2025
67AQI
4th June 2025
68AQI
5th June 2025
69AQI
6th June 2025
71AQI
7th June 2025
74AQI
8th June 2025
81AQI
9th June 2025
77AQI
10th June 2025
80AQI
11th June 2025
81AQI
12th June 2025
78AQI
13th June 2025
84AQI
14th June 2025
83AQI
15th June 2025
78AQI
16th June 2025
85AQI
17th June 2025
93AQI
18th June 2025
96AQI
19th June 2025
99AQI
20th June 2025
90AQI
21st June 2025
92AQI
22nd June 2025
93AQI
23rd June 2025
96AQI
24th June 2025
93AQI
25th June 2025
97AQI
26th June 2025
104AQI
27th June 2025
99AQI
28th June 2025
101AQI
29th June 2025
107AQI
30th June 2025
107AQI
1st July 2025
115AQI
2nd July 2025
110AQI
3rd July 2025
102AQI
4th July 2025
106AQI
5th July 2025
99AQI
6th July 2025
106AQI
7th July 2025
108AQI
8th July 2025
101AQI
9th July 2025
96AQI
10th July 2025
97AQI
11th July 2025
102AQI
12th July 2025
98AQI
13th July 2025
100AQI
14th July 2025
97AQI
15th July 2025
89AQI
16th July 2025
86AQI
17th July 2025
85AQI
18th July 2025
85AQI
19th July 2025
83AQI
20th July 2025
82AQI
21st July 2025
85AQI
22nd July 2025
86AQI
23rd July 2025
83AQI
24th July 2025
82AQI
25th July 2025
78AQI
26th July 2025
70AQI
27th July 2025
72AQI
28th July 2025
72AQI
29th July 2025
77AQI
30th July 2025
80AQI
31st July 2025
84AQI
1st August 2025
96AQI
2nd August 2025
94AQI
3rd August 2025
91AQI
4th August 2025
93AQI
5th August 2025
94AQI
6th August 2025
93AQI
7th August 2025
90AQI
8th August 2025
81AQI
9th August 2025
82AQI
10th August 2025
82AQI
11th August 2025
94AQI
12th August 2025
91AQI
13th August 2025
91AQI
14th August 2025
85AQI
15th August 2025
86AQI
16th August 2025
91AQI
17th August 2025
84AQI
18th August 2025
91AQI

81AQI

67AQI

77AQI

74AQI

77AQI

86AQI

91AQI

89AQI

No. of days

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

202580AQI

28
3
4
21
3
2
23
6
30
31
26
4
23
8
18
6
200
24

Highest AQI recorded in

July

91AQI

Lowest AQI recorded in

February

67AQI

202463AQI

8
16
4
6
15
9
20
11
16
1
7
24
30
31
30
7
17
7
20
5
25
28
3
60
272
8

Highest AQI recorded in

December

87AQI

Lowest AQI recorded in

March

52AQI

202396AQI

6
23
15
13
1
18
12
21
9
1
20
8
9
10
1
16
12
2
26
3
9
27
2
18
7
4
15
9
5
2
200
108
12

Highest AQI recorded in

January

114AQI

Lowest AQI recorded in

September

76AQI

202279AQI

19
12
3
20
2
28
1
15
6
2
2
19
5
2
29
25
1
18
3
2
3
8
14
21
7
1
26
198
39
4
1

Highest AQI recorded in

November

98AQI

Lowest AQI recorded in

January

50AQI

202147AQI

7
21
7
18
19
7
1
14
9
6
25
3
17
14
14
14
7
23
21
10
15
15
17
14
169
148
1

Highest AQI recorded in

September

62AQI

Lowest AQI recorded in

June

23AQI

202036AQI

1
17
4
17
1
29
1
31
22
7
25
4
27
4
24
6
15
4
208
31

Highest AQI recorded in

September

42AQI

Lowest AQI recorded in

July

28AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
96AQI
Least Polluted Year Recorded
2020(Avg.)
36AQI

Semnan's annual 2025 AQI (80) shows an average percentage change of 40.3% (worsened AQI) compared to previous years: 2020 (36), 2021 (47), 2022 (79), 2023 (96), 2024 (63).