Chaman, Mashhad, Khorasan e Razavi, 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
Chaman, Mashhad, Khorasan e Razavi, Iran
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 85 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Chaman, Mashhad, Khorasan e Razavi, Iran
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
100AQI
80AQI
90AQI
83AQI
In the last 24 hours,
Chaman's AQI reached its highest point of 100 at 6 AM during the Day, while the lowest point, 80, was recorded at 10 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chaman, Mashhad, Khorasan e Razavi, Iran
30°C24/35°C
29°C22/35°C
28°C22/33°C
28°C22/33°C
28°C22/33°C
27°C23/32°C
26°C19/31°C
26°C20/32°C
27°C21/32°C
28°C23/32°C
28°C23/32°C
29°C22/34°C
30°C23/36°C
31°C24/36°C
31°C25/36°C
29°C25/35°C
27°C21/34°C
28°C21/35°C
28°C22/35°C
30°C23/36°C
30°C24/35°C
29°C24/34°C
26°C21/31°C
27°C20/33°C
28°C21/34°C
29°C23/35°C
28°C22/34°C
27°C21/34°C
26°C20/32°C
25°C19/31°C
--°C/°C
84AQI
84AQI
83AQI
83AQI
2025 Days Vs Air Quality
Chaman, Mashhad, Khorasan e Razavi, Iran
92%
197
8%
18
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 216 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
Chaman, Mashhad, Khorasan e Razavi, Iran
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
148AQI
150AQI
103AQI
100AQI
96AQI
94AQI
92AQI
97AQI
94AQI
96AQI
98AQI
114AQI
102AQI
95AQI
103AQI
93AQI
86AQI
77AQI
80AQI
86AQI
77AQI
79AQI
80AQI
83AQI
85AQI
87AQI
95AQI
95AQI
95AQI
99AQI
102AQI
104AQI
97AQI
89AQI
100AQI
98AQI
90AQI
89AQI
79AQI
79AQI
77AQI
78AQI
83AQI
91AQI
81AQI
75AQI
80AQI
91AQI
90AQI
87AQI
90AQI
84AQI
80AQI
74AQI
71AQI
69AQI
96AQI
90AQI
87AQI
84AQI
83AQI
76AQI
74AQI
88AQI
78AQI
75AQI
84AQI
77AQI
79AQI
83AQI
82AQI
85AQI
91AQI
108AQI
106AQI
107AQI
126AQI
129AQI
126AQI
113AQI
104AQI
95AQI
92AQI
86AQI
88AQI
83AQI
90AQI
84AQI
93AQI
94AQI
85AQI
84AQI
79AQI
78AQI
79AQI
74AQI
81AQI
81AQI
77AQI
77AQI
80AQI
82AQI
73AQI
74AQI
77AQI
94AQI
81AQI
84AQI
77AQI
76AQI
66AQI
66AQI
69AQI
72AQI
76AQI
79AQI
77AQI
76AQI
78AQI
83AQI
76AQI
76AQI
70AQI
72AQI
75AQI
77AQI
76AQI
84AQI
84AQI
89AQI
89AQI
73AQI
68AQI
73AQI
68AQI
73AQI
112AQI
90AQI
87AQI
112AQI
83AQI
89AQI
83AQI
76AQI
71AQI
74AQI
75AQI
74AQI
73AQI
74AQI
70AQI
66AQI
67AQI
62AQI
62AQI
64AQI
67AQI
70AQI
70AQI
67AQI
64AQI
68AQI
70AQI
72AQI
74AQI
75AQI
72AQI
77AQI
79AQI
87AQI
83AQI
87AQI
91AQI
88AQI
92AQI
91AQI
92AQI
85AQI
82AQI
83AQI
85AQI
92AQI
91AQI
94AQI
87AQI
86AQI
88AQI
95AQI
90AQI
88AQI
83AQI
79AQI
79AQI
80AQI
80AQI
86AQI
95AQI
86AQI
83AQI
87AQI
97AQI
96AQI
95AQI
75AQI
67AQI
68AQI
70AQI
71AQI
70AQI
74AQI
73AQI
86AQI
94AQI
85AQI
85AQI
96AQI
86AQI
92AQI
78AQI
80AQI
76AQI
84AQI
88AQI
No. of days
202585AQI
Highest AQI recorded in
January96AQI
Lowest AQI recorded in
June76AQI
202470AQI
Highest AQI recorded in
September112AQI
Lowest AQI recorded in
January42AQI
2023101AQI
Highest AQI recorded in
April133AQI
Lowest AQI recorded in
September52AQI
202299AQI
Highest AQI recorded in
April124AQI
Lowest AQI recorded in
August70AQI
202076AQI
Highest AQI recorded in
December91AQI
Lowest AQI recorded in
March49AQI
Most & Least Polluted Years Over the Last 5 Years
Chaman's annual 2025 AQI (85) shows an average percentage change of 0.4% (worsened AQI) compared to previous years: 2020 (76), 2022 (99), 2023 (101), 2024 (70).