District 11, Tehran, Tehran Province, Iran Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
District 11, Tehran, Tehran Province, Iran
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 78 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
District 11, Tehran, Tehran Province, Iran
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
86AQI
62AQI
80AQI
58AQI
In the last 24 hours,
District 11's AQI reached its highest point of 86 at 7 AM during the Day, while the lowest point, 58, was recorded at 4 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
District 11, Tehran, Tehran Province, Iran
31°C27/34°C
31°C27/35°C
31°C27/34°C
30°C26/32°C
31°C27/33°C
30°C25/33°C
29°C25/32°C
29°C26/32°C
29°C25/32°C
29°C25/33°C
28°C24/31°C
28°C23/31°C
30°C25/33°C
31°C27/33°C
30°C27/33°C
30°C27/33°C
30°C27/34°C
30°C27/34°C
32°C28/34°C
30°C28/32°C
27°C24/30°C
25°C22/28°C
25°C22/28°C
24°C22/27°C
24°C21/27°C
25°C22/29°C
25°C21/28°C
27°C22/31°C
25°C23/27°C
22°C20/26°C
--°C/°C
80AQI
76AQI
78AQI
78AQI
2025 Days Vs Air Quality
District 11, Tehran, Tehran Province, Iran
87%
101
13%
15
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 265 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
District 11, Tehran, Tehran Province, Iran
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
72AQI
76AQI
70AQI
68AQI
74AQI
67AQI
68AQI
67AQI
71AQI
73AQI
80AQI
73AQI
75AQI
78AQI
79AQI
89AQI
86AQI
79AQI
81AQI
84AQI
94AQI
101AQI
91AQI
93AQI
96AQI
97AQI
94AQI
98AQI
105AQI
99AQI
102AQI
108AQI
110AQI
112AQI
116AQI
109AQI
111AQI
104AQI
119AQI
113AQI
117AQI
99AQI
95AQI
99AQI
100AQI
99AQI
96AQI
92AQI
86AQI
84AQI
85AQI
86AQI
82AQI
85AQI
85AQI
82AQI
83AQI
77AQI
71AQI
69AQI
72AQI
78AQI
78AQI
85AQI
92AQI
90AQI
89AQI
91AQI
92AQI
89AQI
86AQI
81AQI
82AQI
81AQI
92AQI
88AQI
94AQI
87AQI
83AQI
89AQI
84AQI
89AQI
96AQI
95AQI
105AQI
93AQI
89AQI
104AQI
94AQI
87AQI
75AQI
78AQI
84AQI
74AQI
77AQI
65AQI
76AQI
76AQI
66AQI
80AQI
78AQI
78AQI
81AQI
79AQI
80AQI
80AQI
76AQI
76AQI
74AQI
72AQI
71AQI
71AQI
68AQI
71AQI
75AQI
78AQI
73AQI
86AQI
93AQI
88AQI
75AQI
No. of days
202586AQI
Highest AQI recorded in
July93AQI
Lowest AQI recorded in
May73AQI
Most & Least Polluted Years Over the Last 1 Years
District 11's annual 2025 AQI (86) shows an average percentage change of NaN% (improved AQI) compared to previous years: .