Riyadh, Riyadh Region, Saudi Arabia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Riyadh, Riyadh Region, Saudi Arabia
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 83 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Riyadh, Riyadh Region, Saudi Arabia
5 AM28th Sep 2025
5 PM
4 AM29th Sep 2025
125AQI
65AQI
207AQI
35AQI
In the last 24 hours,
Riyadh's AQI reached its highest point of 207 at 4 AM during the Night, while the lowest point, 35, was recorded at 7 PM during the Night between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Riyadh, Riyadh Region, Saudi Arabia
36°C30/42°C
36°C30/42°C
36°C30/41°C
35°C30/41°C
36°C31/41°C
35°C29/41°C
35°C28/41°C
34°C29/39°C
36°C31/41°C
36°C31/41°C
37°C31/42°C
36°C30/42°C
36°C30/42°C
36°C30/42°C
34°C29/41°C
33°C28/40°C
33°C27/39°C
33°C27/39°C
34°C28/41°C
35°C28/41°C
36°C31/42°C
37°C31/42°C
35°C29/41°C
33°C28/39°C
33°C27/39°C
32°C27/38°C
32°C26/38°C
34°C27/40°C
34°C28/40°C
34°C28/39°C
--°C/°C
92AQI
76AQI
90AQI
78AQI
2025 Days Vs Air Quality
Riyadh, Riyadh Region, Saudi Arabia
0.7%
2
86%
234
12%
32
0.3%
1
0.7%
2
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 0.74%
Health Risk Level:
Extreme
In 2025, 0.74% of 272 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
Riyadh, Riyadh Region, Saudi Arabia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
242AQI
253AQI
155AQI
125AQI
100AQI
87AQI
81AQI
77AQI
77AQI
78AQI
80AQI
83AQI
81AQI
83AQI
80AQI
79AQI
82AQI
80AQI
78AQI
76AQI
75AQI
76AQI
79AQI
76AQI
79AQI
77AQI
80AQI
79AQI
80AQI
78AQI
77AQI
76AQI
78AQI
77AQI
80AQI
81AQI
88AQI
96AQI
92AQI
94AQI
90AQI
85AQI
82AQI
83AQI
83AQI
79AQI
77AQI
77AQI
85AQI
80AQI
75AQI
72AQI
69AQI
70AQI
69AQI
65AQI
63AQI
63AQI
63AQI
64AQI
68AQI
67AQI
68AQI
80AQI
77AQI
76AQI
71AQI
69AQI
75AQI
78AQI
86AQI
98AQI
119AQI
127AQI
133AQI
136AQI
135AQI
132AQI
131AQI
115AQI
104AQI
92AQI
88AQI
84AQI
78AQI
76AQI
75AQI
75AQI
75AQI
79AQI
81AQI
85AQI
86AQI
81AQI
78AQI
77AQI
77AQI
75AQI
77AQI
77AQI
81AQI
80AQI
75AQI
73AQI
73AQI
95AQI
81AQI
74AQI
73AQI
76AQI
73AQI
73AQI
79AQI
83AQI
87AQI
90AQI
87AQI
79AQI
75AQI
77AQI
80AQI
78AQI
76AQI
81AQI
83AQI
85AQI
90AQI
87AQI
83AQI
81AQI
76AQI
75AQI
77AQI
84AQI
81AQI
79AQI
84AQI
88AQI
86AQI
86AQI
77AQI
84AQI
82AQI
85AQI
88AQI
86AQI
85AQI
84AQI
85AQI
88AQI
80AQI
79AQI
80AQI
80AQI
77AQI
73AQI
69AQI
67AQI
68AQI
70AQI
76AQI
84AQI
84AQI
91AQI
87AQI
84AQI
92AQI
83AQI
79AQI
79AQI
79AQI
78AQI
78AQI
83AQI
82AQI
80AQI
82AQI
81AQI
83AQI
86AQI
81AQI
75AQI
79AQI
72AQI
72AQI
72AQI
72AQI
74AQI
77AQI
72AQI
76AQI
82AQI
88AQI
86AQI
89AQI
88AQI
86AQI
86AQI
92AQI
92AQI
95AQI
83AQI
75AQI
61AQI
69AQI
83AQI
86AQI
93AQI
77AQI
80AQI
90AQI
104AQI
117AQI
128AQI
117AQI
120AQI
121AQI
118AQI
90AQI
94AQI
86AQI
76AQI
83AQI
87AQI
89AQI
96AQI
104AQI
110AQI
94AQI
100AQI
118AQI
116AQI
113AQI
106AQI
94AQI
99AQI
100AQI
111AQI
96AQI
110AQI
125AQI
118AQI
108AQI
101AQI
106AQI
113AQI
79AQI
93AQI
105AQI
98AQI
90AQI
83AQI
87AQI
84AQI
82AQI
85AQI
77AQI
71AQI
73AQI
85AQI
79AQI
71AQI
59AQI
52AQI
61AQI
66AQI
66AQI
50AQI
50AQI
62AQI
83AQI
95AQI
78AQI
91AQI
79AQI
83AQI
80AQI
81AQI
105AQI
79AQI
No. of days
202586AQI
Highest AQI recorded in
August105AQI
Lowest AQI recorded in
February78AQI
202474AQI
Highest AQI recorded in
September143AQI
Lowest AQI recorded in
January12AQI
20234AQI
Highest AQI recorded in
November6AQI
Lowest AQI recorded in
December4AQI
202230AQI
Highest AQI recorded in
February30AQI
Lowest AQI recorded in
February30AQI
202159AQI
Highest AQI recorded in
March102AQI
Lowest AQI recorded in
February34AQI
202038AQI
Highest AQI recorded in
April69AQI
Lowest AQI recorded in
December25AQI
Most & Least Polluted Years Over the Last 6 Years
Riyadh's annual 2025 AQI (86) shows an average percentage change of 452.7% (worsened AQI) compared to previous years: 2020 (38), 2021 (59), 2022 (30), 2023 (4), 2024 (74).