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!
August Air Quality Analysis
Tehran, Tehran Province, Iran
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 91 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Tehran, Tehran Province, Iran
6 AM2nd Aug 2025
8 PM
5 AM3rd Aug 2025
99AQI
81AQI
96AQI
83AQI
In the last 24 hours,
Tehran's AQI reached its highest point of 99 at 6 AM during the Day, while the lowest point, 81, was recorded at 12 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tehran, Tehran Province, Iran
32°C27/36°C
33°C28/38°C
31°C27/35°C
29°C26/33°C
29°C25/32°C
30°C26/33°C
30°C27/35°C
31°C28/34°C
32°C28/35°C
28°C25/30°C
27°C24/31°C
30°C25/33°C
31°C27/35°C
33°C28/36°C
34°C30/37°C
33°C29/36°C
33°C29/36°C
33°C29/37°C
33°C28/37°C
32°C29/35°C
31°C27/34°C
32°C29/35°C
32°C29/35°C
31°C28/34°C
32°C27/36°C
33°C29/37°C
33°C30/35°C
32°C29/35°C
31°C26/35°C
32°C28/35°C
--°C/°C
91AQI
91AQI
92AQI
92AQI
2025 Days Vs Air Quality
Tehran, Tehran Province, Iran
66%
43
34%
22
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 215 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
Tehran, Tehran Province, Iran
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
75AQI
79AQI
73AQI
72AQI
77AQI
69AQI
71AQI
69AQI
73AQI
75AQI
81AQI
76AQI
76AQI
81AQI
79AQI
87AQI
87AQI
80AQI
82AQI
88AQI
102AQI
105AQI
95AQI
98AQI
105AQI
100AQI
98AQI
99AQI
108AQI
102AQI
107AQI
113AQI
116AQI
116AQI
117AQI
114AQI
113AQI
109AQI
124AQI
116AQI
117AQI
101AQI
104AQI
110AQI
108AQI
103AQI
101AQI
92AQI
87AQI
85AQI
85AQI
84AQI
83AQI
85AQI
85AQI
82AQI
83AQI
77AQI
71AQI
69AQI
72AQI
79AQI
79AQI
86AQI
91AQI
76AQI
89AQI
95AQI
91AQI
No. of days
202591AQI
Highest AQI recorded in
July95AQI
Lowest AQI recorded in
May76AQI
Most & Least Polluted Years Over the Last 1 Years
Tehran's annual 2025 AQI (91) shows an average percentage change of NaN% (improved AQI) compared to previous years: .