Tehran Now, 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!
October Air Quality Analysis
Tehran Now, Tehran, Tehran Province, Iran
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 58 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
Tehran Now, Tehran, Tehran Province, Iran
6 AM2nd Oct 2025
6 PM
5 AM3rd Oct 2025
63AQI
54AQI
62AQI
55AQI
In the last 24 hours,
Tehran Now's AQI reached its highest point of 63 at 10 AM during the Day, while the lowest point, 54, was recorded at 5 PM during the Day between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Tehran Now, Tehran, Tehran Province, Iran
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
21°C19/24°C
21°C19/24°C
21°C19/24°C
21°C16/24°C
22°C17/25°C
23°C20/26°C
24°C20/27°C
24°C20/28°C
24°C20/28°C
24°C21/27°C
22°C19/24°C
--°C/°C
70AQI
67AQI
71AQI
68AQI
2025 Days Vs Air Quality
Tehran Now, Tehran, Tehran Province, Iran
2%
3
80%
102
17%
22
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 276 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 Now, Tehran, Tehran Province, Iran
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
75AQI
80AQI
73AQI
72AQI
78AQI
68AQI
70AQI
69AQI
73AQI
76AQI
80AQI
77AQI
75AQI
80AQI
79AQI
86AQI
87AQI
80AQI
82AQI
88AQI
100AQI
105AQI
95AQI
94AQI
96AQI
98AQI
99AQI
99AQI
110AQI
102AQI
107AQI
112AQI
115AQI
116AQI
115AQI
112AQI
112AQI
108AQI
123AQI
113AQI
119AQI
103AQI
106AQI
116AQI
111AQI
107AQI
102AQI
90AQI
87AQI
86AQI
87AQI
84AQI
84AQI
85AQI
87AQI
84AQI
86AQI
78AQI
72AQI
69AQI
72AQI
80AQI
80AQI
88AQI
92AQI
89AQI
88AQI
91AQI
92AQI
90AQI
86AQI
83AQI
84AQI
82AQI
93AQI
88AQI
93AQI
84AQI
81AQI
88AQI
83AQI
88AQI
96AQI
94AQI
104AQI
93AQI
90AQI
106AQI
92AQI
87AQI
75AQI
79AQI
86AQI
76AQI
78AQI
66AQI
77AQI
77AQI
67AQI
81AQI
78AQI
79AQI
81AQI
79AQI
81AQI
81AQI
76AQI
76AQI
74AQI
72AQI
70AQI
70AQI
67AQI
72AQI
76AQI
79AQI
69AQI
65AQI
57AQI
51AQI
49AQI
35AQI
40AQI
70AQI
74AQI
73AQI
58AQI
76AQI
88AQI
96AQI
88AQI
70AQI
66AQI
No. of days
202585AQI
Highest AQI recorded in
July96AQI
Lowest AQI recorded in
October66AQI
Most & Least Polluted Years Over the Last 1 Years
Tehran Now's annual 2025 AQI (85) shows an average percentage change of NaN% (improved AQI) compared to previous years: .