Region 5, 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
Region 5, Karaj, Alborz, Iran
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 87 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
Region 5, Karaj, Alborz, Iran
6 AM2nd Aug 2025
8 PM
5 AM3rd Aug 2025
96AQI
78AQI
92AQI
82AQI
In the last 24 hours,
Region 5's AQI reached its highest point of 96 at 6 AM during the Day, while the lowest point, 78, was recorded at 12 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Region 5, 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
30°C25/34°C
--°C/°C
93AQI
93AQI
94AQI
94AQI
2025 Days Vs Air Quality
Region 5, Karaj, Alborz, Iran
5%
11
72%
154
22%
47
0.9%
2
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2025, 5% 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
Region 5, Karaj, Alborz, Iran
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
87AQI
62AQI
70AQI
92AQI
81AQI
95AQI
123AQI
122AQI
143AQI
152AQI
142AQI
150AQI
107AQI
103AQI
127AQI
134AQI
79AQI
62AQI
93AQI
79AQI
62AQI
72AQI
100AQI
78AQI
80AQI
98AQI
108AQI
73AQI
79AQI
123AQI
119AQI
116AQI
155AQI
121AQI
94AQI
85AQI
91AQI
77AQI
53AQI
56AQI
54AQI
80AQI
99AQI
126AQI
69AQI
59AQI
60AQI
59AQI
68AQI
64AQI
56AQI
55AQI
47AQI
34AQI
29AQI
29AQI
36AQI
41AQI
44AQI
52AQI
40AQI
40AQI
46AQI
66AQI
64AQI
59AQI
50AQI
61AQI
61AQI
60AQI
66AQI
72AQI
89AQI
104AQI
116AQI
109AQI
143AQI
145AQI
131AQI
104AQI
71AQI
70AQI
80AQI
52AQI
75AQI
75AQI
77AQI
77AQI
79AQI
82AQI
70AQI
73AQI
64AQI
65AQI
68AQI
63AQI
67AQI
66AQI
67AQI
68AQI
74AQI
72AQI
73AQI
80AQI
79AQI
79AQI
68AQI
84AQI
67AQI
70AQI
64AQI
67AQI
68AQI
75AQI
85AQI
84AQI
75AQI
75AQI
76AQI
78AQI
79AQI
78AQI
81AQI
74AQI
75AQI
79AQI
82AQI
79AQI
70AQI
71AQI
72AQI
67AQI
69AQI
82AQI
77AQI
78AQI
66AQI
64AQI
74AQI
79AQI
75AQI
85AQI
89AQI
74AQI
73AQI
73AQI
75AQI
78AQI
80AQI
77AQI
75AQI
73AQI
74AQI
71AQI
72AQI
71AQI
74AQI
78AQI
84AQI
67AQI
67AQI
75AQI
78AQI
81AQI
82AQI
82AQI
84AQI
96AQI
100AQI
117AQI
97AQI
109AQI
122AQI
106AQI
101AQI
100AQI
104AQI
109AQI
107AQI
117AQI
117AQI
114AQI
125AQI
113AQI
112AQI
119AQI
121AQI
123AQI
108AQI
105AQI
107AQI
108AQI
114AQI
110AQI
103AQI
102AQI
86AQI
88AQI
87AQI
91AQI
85AQI
85AQI
86AQI
83AQI
84AQI
77AQI
74AQI
68AQI
72AQI
80AQI
77AQI
84AQI
89AQI
87AQI
100AQI
70AQI
78AQI
72AQI
76AQI
91AQI
96AQI
88AQI
No. of days
202583AQI
Highest AQI recorded in
January100AQI
Lowest AQI recorded in
February70AQI
202475AQI
Highest AQI recorded in
December122AQI
Lowest AQI recorded in
October58AQI
202382AQI
Highest AQI recorded in
January115AQI
Lowest AQI recorded in
April65AQI
202280AQI
Highest AQI recorded in
October92AQI
Lowest AQI recorded in
September76AQI
Most & Least Polluted Years Over the Last 4 Years
Region 5's annual 2025 AQI (83) shows an average percentage change of 5.5% (worsened AQI) compared to previous years: 2022 (80), 2023 (82), 2024 (75).