Karaj, Alborz, 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
Karaj, Alborz, Iran
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 90 of Moderate air quality, showing improvement over 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Karaj, Alborz, Iran
6 AM2nd Aug 2025
8 PM
5 AM3rd Aug 2025
AQI
AQI
97AQI
79AQI
In the last 24 hours,
Karaj's AQI reached its highest point of 97 at 6 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Karaj, Alborz, Iran
26°C20/33°C
28°C21/36°C
25°C19/31°C
24°C18/30°C
24°C19/30°C
26°C20/32°C
27°C22/33°C
28°C22/33°C
29°C24/33°C
26°C23/30°C
26°C21/30°C
28°C22/31°C
30°C24/33°C
32°C27/35°C
32°C26/36°C
31°C25/35°C
31°C26/35°C
32°C26/36°C
32°C26/36°C
30°C24/34°C
29°C24/33°C
30°C25/33°C
29°C23/34°C
28°C22/33°C
30°C24/34°C
32°C27/36°C
31°C27/34°C
30°C25/34°C
30°C24/34°C
--°C/°C
--°C/°C
96AQI
96AQI
97AQI
97AQI
2025 Days Vs Air Quality
Karaj, Alborz, Iran
6%
12
69%
147
25%
53
0.4%
1
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 214 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
Karaj, Alborz, Iran
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
85AQI
65AQI
72AQI
89AQI
81AQI
103AQI
128AQI
123AQI
137AQI
147AQI
141AQI
150AQI
108AQI
104AQI
117AQI
118AQI
76AQI
67AQI
93AQI
76AQI
65AQI
74AQI
102AQI
79AQI
86AQI
103AQI
105AQI
73AQI
80AQI
125AQI
121AQI
127AQI
153AQI
119AQI
92AQI
80AQI
92AQI
75AQI
53AQI
58AQI
56AQI
85AQI
104AQI
123AQI
66AQI
62AQI
56AQI
58AQI
67AQI
63AQI
59AQI
54AQI
45AQI
38AQI
30AQI
27AQI
38AQI
40AQI
42AQI
49AQI
37AQI
40AQI
46AQI
66AQI
61AQI
60AQI
50AQI
57AQI
60AQI
59AQI
63AQI
70AQI
90AQI
108AQI
116AQI
114AQI
133AQI
141AQI
126AQI
99AQI
72AQI
69AQI
80AQI
58AQI
77AQI
76AQI
79AQI
79AQI
79AQI
81AQI
71AQI
74AQI
66AQI
68AQI
68AQI
62AQI
68AQI
67AQI
68AQI
68AQI
76AQI
76AQI
75AQI
81AQI
79AQI
80AQI
67AQI
75AQI
67AQI
70AQI
71AQI
72AQI
70AQI
75AQI
84AQI
85AQI
80AQI
78AQI
78AQI
80AQI
77AQI
76AQI
79AQI
78AQI
78AQI
78AQI
81AQI
80AQI
72AQI
71AQI
69AQI
68AQI
69AQI
89AQI
79AQI
79AQI
74AQI
71AQI
76AQI
81AQI
76AQI
97AQI
96AQI
75AQI
74AQI
76AQI
76AQI
78AQI
81AQI
84AQI
74AQI
72AQI
76AQI
73AQI
74AQI
71AQI
75AQI
78AQI
86AQI
72AQI
72AQI
83AQI
85AQI
88AQI
85AQI
84AQI
88AQI
100AQI
103AQI
119AQI
100AQI
117AQI
134AQI
106AQI
105AQI
103AQI
107AQI
111AQI
112AQI
121AQI
128AQI
121AQI
132AQI
116AQI
117AQI
120AQI
124AQI
122AQI
116AQI
109AQI
115AQI
124AQI
125AQI
121AQI
115AQI
106AQI
89AQI
91AQI
86AQI
94AQI
89AQI
88AQI
88AQI
82AQI
81AQI
76AQI
71AQI
69AQI
71AQI
77AQI
77AQI
83AQI
90AQI
100AQI
70AQI
77AQI
73AQI
78AQI
94AQI
100AQI
90AQI
No. of days
202585AQI
Highest AQI recorded in
July100AQI
Lowest AQI recorded in
February70AQI
202477AQI
Highest AQI recorded in
December118AQI
Lowest AQI recorded in
November64AQI
202396AQI
Highest AQI recorded in
January132AQI
Lowest AQI recorded in
April72AQI
202297AQI
Highest AQI recorded in
December130AQI
Lowest AQI recorded in
January61AQI
202194AQI
Highest AQI recorded in
January114AQI
Lowest AQI recorded in
May82AQI
202084AQI
Highest AQI recorded in
December123AQI
Lowest AQI recorded in
May23AQI
Most & Least Polluted Years Over the Last 6 Years
Karaj's annual 2025 AQI (85) shows an average percentage change of -4.5% (improved AQI) compared to previous years: 2020 (84), 2021 (94), 2022 (97), 2023 (96), 2024 (77).