Kooy-e-Mehrzad, 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
Kooy-e-Mehrzad, Tehran, Tehran Province, Iran
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 74 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Kooy-e-Mehrzad, Tehran, Tehran Province, Iran
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
76AQI
62AQI
94AQI
65AQI
In the last 24 hours,
Kooy-e-Mehrzad's AQI reached its highest point of 94 at 12 AM during the Night, while the lowest point, 62, was recorded at 7 AM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Kooy-e-Mehrzad, Tehran, Tehran Province, Iran
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
22°C20/25°C
23°C18/27°C
--°C/°C
68AQI
68AQI
70AQI
70AQI
2025 Days Vs Air Quality
Kooy-e-Mehrzad, Tehran, Tehran Province, Iran
2%
3
83%
107
15%
19
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 278 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
Kooy-e-Mehrzad, Tehran, Tehran Province, Iran
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
72AQI
79AQI
73AQI
72AQI
80AQI
67AQI
68AQI
68AQI
71AQI
74AQI
83AQI
75AQI
76AQI
83AQI
82AQI
95AQI
93AQI
79AQI
84AQI
86AQI
99AQI
104AQI
94AQI
92AQI
93AQI
96AQI
95AQI
97AQI
106AQI
98AQI
105AQI
109AQI
112AQI
113AQI
114AQI
114AQI
112AQI
106AQI
123AQI
114AQI
114AQI
99AQI
105AQI
109AQI
108AQI
103AQI
99AQI
92AQI
89AQI
84AQI
85AQI
85AQI
84AQI
85AQI
84AQI
82AQI
83AQI
77AQI
71AQI
69AQI
72AQI
79AQI
79AQI
89AQI
93AQI
90AQI
90AQI
92AQI
93AQI
89AQI
86AQI
82AQI
82AQI
82AQI
92AQI
88AQI
94AQI
86AQI
83AQI
89AQI
84AQI
88AQI
97AQI
94AQI
105AQI
93AQI
90AQI
105AQI
93AQI
87AQI
75AQI
79AQI
85AQI
75AQI
78AQI
66AQI
77AQI
76AQI
66AQI
80AQI
78AQI
78AQI
80AQI
88AQI
80AQI
80AQI
76AQI
75AQI
73AQI
72AQI
72AQI
71AQI
68AQI
71AQI
75AQI
78AQI
68AQI
64AQI
57AQI
51AQI
47AQI
35AQI
40AQI
70AQI
73AQI
74AQI
58AQI
61AQI
74AQI
75AQI
88AQI
94AQI
88AQI
70AQI
67AQI
No. of days
202584AQI
Highest AQI recorded in
July94AQI
Lowest AQI recorded in
October67AQI
Most & Least Polluted Years Over the Last 1 Years
Kooy-e-Mehrzad's annual 2025 AQI (84) shows an average percentage change of NaN% (improved AQI) compared to previous years: .