Nahavand, Malayer, Hamadan, 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
Nahavand, Malayer, Hamadan, Iran
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 89 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Nahavand, Malayer, Hamadan, Iran
6 AM4th Aug 2025
8 PM
5 AM5th Aug 2025
107AQI
81AQI
96AQI
84AQI
In the last 24 hours,
Nahavand's AQI reached its highest point of 107 at 4 PM during the Day, while the lowest point, 81, was recorded at 2 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nahavand, Malayer, Hamadan, Iran
24°C15/34°C
22°C14/33°C
23°C15/33°C
23°C15/31°C
24°C17/32°C
25°C18/33°C
27°C19/34°C
26°C20/33°C
25°C19/32°C
25°C20/31°C
24°C19/31°C
26°C19/33°C
26°C18/35°C
27°C20/35°C
28°C21/35°C
29°C21/36°C
29°C22/36°C
28°C21/36°C
27°C20/35°C
27°C19/35°C
28°C20/34°C
28°C21/34°C
28°C21/35°C
28°C21/35°C
28°C21/35°C
28°C22/35°C
28°C22/35°C
28°C22/34°C
28°C21/36°C
29°C22/36°C
--°C/°C
88AQI
88AQI
88AQI
88AQI
2025 Days Vs Air Quality
Nahavand, Malayer, Hamadan, Iran
8%
18
83%
179
9%
19
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 8%
Health Risk Level:
Extreme
In 2025, 8% of 217 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
Nahavand, Malayer, Hamadan, Iran
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
77AQI
71AQI
69AQI
82AQI
76AQI
76AQI
71AQI
75AQI
81AQI
91AQI
95AQI
73AQI
75AQI
81AQI
87AQI
71AQI
65AQI
67AQI
69AQI
66AQI
62AQI
81AQI
80AQI
75AQI
85AQI
76AQI
76AQI
68AQI
67AQI
73AQI
76AQI
77AQI
90AQI
83AQI
76AQI
67AQI
68AQI
68AQI
71AQI
60AQI
64AQI
63AQI
91AQI
84AQI
64AQI
66AQI
60AQI
59AQI
65AQI
69AQI
67AQI
49AQI
42AQI
38AQI
29AQI
27AQI
46AQI
32AQI
39AQI
47AQI
46AQI
40AQI
45AQI
46AQI
47AQI
50AQI
41AQI
37AQI
47AQI
57AQI
57AQI
65AQI
83AQI
120AQI
124AQI
114AQI
123AQI
131AQI
117AQI
88AQI
71AQI
67AQI
72AQI
61AQI
74AQI
74AQI
72AQI
66AQI
74AQI
81AQI
66AQI
73AQI
62AQI
59AQI
58AQI
68AQI
71AQI
63AQI
69AQI
69AQI
76AQI
71AQI
75AQI
73AQI
73AQI
97AQI
69AQI
62AQI
63AQI
65AQI
68AQI
68AQI
69AQI
76AQI
85AQI
83AQI
73AQI
72AQI
74AQI
78AQI
72AQI
72AQI
68AQI
72AQI
75AQI
84AQI
74AQI
72AQI
70AQI
69AQI
64AQI
66AQI
63AQI
93AQI
83AQI
72AQI
78AQI
68AQI
71AQI
79AQI
71AQI
76AQI
78AQI
73AQI
68AQI
68AQI
70AQI
71AQI
70AQI
74AQI
65AQI
65AQI
68AQI
66AQI
68AQI
64AQI
67AQI
65AQI
68AQI
67AQI
71AQI
73AQI
70AQI
74AQI
79AQI
77AQI
75AQI
81AQI
84AQI
95AQI
93AQI
98AQI
102AQI
96AQI
94AQI
86AQI
96AQI
94AQI
96AQI
115AQI
109AQI
106AQI
113AQI
89AQI
91AQI
96AQI
104AQI
103AQI
102AQI
95AQI
92AQI
109AQI
115AQI
117AQI
112AQI
94AQI
91AQI
101AQI
89AQI
83AQI
83AQI
85AQI
83AQI
74AQI
73AQI
66AQI
63AQI
64AQI
67AQI
67AQI
69AQI
77AQI
85AQI
85AQI
85AQI
89AQI
75AQI
61AQI
72AQI
71AQI
73AQI
82AQI
89AQI
86AQI
No. of days
202575AQI
Highest AQI recorded in
July89AQI
Lowest AQI recorded in
February61AQI
202471AQI
Highest AQI recorded in
September94AQI
Lowest AQI recorded in
February51AQI
202382AQI
Highest AQI recorded in
July111AQI
Lowest AQI recorded in
March62AQI
202285AQI
Highest AQI recorded in
May120AQI
Lowest AQI recorded in
January53AQI
202178AQI
Highest AQI recorded in
July114AQI
Lowest AQI recorded in
February62AQI
202070AQI
Highest AQI recorded in
July96AQI
Lowest AQI recorded in
March35AQI
Most & Least Polluted Years Over the Last 6 Years
Nahavand's annual 2025 AQI (75) shows an average percentage change of -2.07% (improved AQI) compared to previous years: 2020 (70), 2021 (78), 2022 (85), 2023 (82), 2024 (71).