Birjand, Khorasan E Jonubi, Iran Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Birjand, Khorasan E Jonubi, Iran
AQI Trends: Highest and Lowest
Same Day Analysis (21st November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 44 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Nov - 23rd Nov 2025
Birjand, Khorasan E Jonubi, Iran
6 AM22nd Nov 2025
4 PM
5 AM23rd Nov 2025
AQI
AQI
55AQI
33AQI
In the last 24 hours,
Birjand's AQI reached its highest point of 55 at 8 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 22nd Nov and 23rd Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Birjand, Khorasan E Jonubi, Iran
16°C12/21°C
16°C12/20°C
16°C12/20°C
16°C12/21°C
16°C12/20°C
15°C11/21°C
16°C12/21°C
13°C7/19°C
12°C8/18°C
13°C9/18°C
11°C4/15°C
7°C4/11°C
8°C4/13°C
8°C4/13°C
9°C5/14°C
9°C6/14°C
10°C6/14°C
9°C5/13°C
9°C5/13°C
8°C4/14°C
9°C5/15°C
9°C4/15°C
10°C5/15°C
11°C8/15°C
12°C8/16°C
12°C8/16°C
10°C6/14°C
8°C3/12°C
7°C3/12°C
--°C/°C
--°C/°C
66AQI
53AQI
62AQI
52AQI
2025 Days Vs Air Quality
Birjand, Khorasan E Jonubi, Iran
8%
26
84%
274
8%
25
Total number of days with different AQI categories in last 326 days in 2025 (39 days remaining)
Under WHO’s Safe Air Quality Limits: 8%
Health Risk Level:
Extreme
In 2025, 8% of 326 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
Birjand, Khorasan E Jonubi, Iran
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
84AQI
75AQI
78AQI
75AQI
78AQI
77AQI
106AQI
77AQI
76AQI
76AQI
76AQI
74AQI
90AQI
89AQI
81AQI
78AQI
70AQI
68AQI
74AQI
71AQI
67AQI
70AQI
70AQI
69AQI
71AQI
73AQI
73AQI
75AQI
71AQI
69AQI
69AQI
71AQI
73AQI
72AQI
77AQI
78AQI
73AQI
81AQI
76AQI
72AQI
80AQI
71AQI
77AQI
68AQI
61AQI
59AQI
54AQI
55AQI
55AQI
51AQI
55AQI
45AQI
44AQI
46AQI
50AQI
53AQI
80AQI
74AQI
64AQI
58AQI
59AQI
53AQI
51AQI
49AQI
48AQI
49AQI
47AQI
49AQI
50AQI
52AQI
53AQI
61AQI
84AQI
103AQI
115AQI
114AQI
122AQI
127AQI
122AQI
95AQI
88AQI
78AQI
87AQI
71AQI
90AQI
81AQI
75AQI
65AQI
79AQI
83AQI
66AQI
66AQI
65AQI
61AQI
61AQI
66AQI
79AQI
74AQI
73AQI
80AQI
72AQI
78AQI
86AQI
82AQI
82AQI
89AQI
89AQI
96AQI
77AQI
75AQI
59AQI
67AQI
68AQI
68AQI
68AQI
73AQI
79AQI
81AQI
82AQI
97AQI
81AQI
75AQI
72AQI
76AQI
81AQI
77AQI
83AQI
83AQI
75AQI
74AQI
71AQI
75AQI
74AQI
76AQI
87AQI
96AQI
91AQI
92AQI
91AQI
85AQI
91AQI
79AQI
89AQI
90AQI
80AQI
82AQI
87AQI
81AQI
84AQI
82AQI
71AQI
73AQI
67AQI
65AQI
68AQI
68AQI
69AQI
70AQI
71AQI
72AQI
76AQI
78AQI
73AQI
70AQI
74AQI
83AQI
77AQI
90AQI
94AQI
106AQI
97AQI
105AQI
112AQI
101AQI
96AQI
96AQI
109AQI
96AQI
92AQI
94AQI
92AQI
98AQI
100AQI
89AQI
91AQI
97AQI
102AQI
106AQI
103AQI
93AQI
91AQI
96AQI
87AQI
90AQI
83AQI
77AQI
77AQI
75AQI
76AQI
81AQI
96AQI
84AQI
86AQI
73AQI
67AQI
68AQI
66AQI
67AQI
69AQI
70AQI
73AQI
78AQI
87AQI
83AQI
86AQI
85AQI
83AQI
81AQI
72AQI
67AQI
68AQI
70AQI
85AQI
89AQI
89AQI
83AQI
79AQI
79AQI
71AQI
81AQI
81AQI
76AQI
80AQI
77AQI
79AQI
88AQI
77AQI
70AQI
68AQI
69AQI
70AQI
66AQI
66AQI
59AQI
66AQI
72AQI
58AQI
74AQI
70AQI
71AQI
75AQI
75AQI
76AQI
71AQI
70AQI
74AQI
73AQI
74AQI
71AQI
73AQI
67AQI
66AQI
66AQI
65AQI
62AQI
63AQI
65AQI
53AQI
48AQI
50AQI
59AQI
67AQI
81AQI
83AQI
105AQI
97AQI
105AQI
98AQI
88AQI
62AQI
79AQI
98AQI
122AQI
140AQI
119AQI
82AQI
103AQI
118AQI
116AQI
101AQI
100AQI
114AQI
96AQI
97AQI
91AQI
88AQI
84AQI
90AQI
97AQI
98AQI
100AQI
93AQI
97AQI
90AQI
87AQI
58AQI
43AQI
52AQI
78AQI
71AQI
51AQI
35AQI
33AQI
39AQI
39AQI
32AQI
34AQI
29AQI
38AQI
41AQI
33AQI
41AQI
51AQI
50AQI
44AQI
76AQI
65AQI
76AQI
75AQI
82AQI
84AQI
84AQI
78AQI
67AQI
98AQI
47AQI
No. of days
202577AQI
Highest AQI recorded in
October98AQI
Lowest AQI recorded in
November47AQI
202456AQI
Highest AQI recorded in
December79AQI
Lowest AQI recorded in
January37AQI
202363AQI
Highest AQI recorded in
July104AQI
Lowest AQI recorded in
January45AQI
202268AQI
Highest AQI recorded in
May102AQI
Lowest AQI recorded in
February38AQI
202153AQI
Highest AQI recorded in
July77AQI
Lowest AQI recorded in
February32AQI
202037AQI
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
December21AQI
Most & Least Polluted Years Over the Last 6 Years
Birjand's annual 2025 AQI (77) shows an average percentage change of 44.4% (worsened AQI) compared to previous years: 2020 (37), 2021 (53), 2022 (68), 2023 (63), 2024 (56).