Katihalli, Hassan, Karnataka, India 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
Katihalli, Hassan, Karnataka, India
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 4th highest AQI at 54 of Moderate air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Katihalli, Hassan, Karnataka, India
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
59AQI
48AQI
58AQI
54AQI
In the last 24 hours,
Katihalli's AQI reached its highest point of 59 at 12 PM during the Day, while the lowest point, 48, was recorded at 3 PM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Katihalli, Hassan, Karnataka, India
22°C19/26°C
21°C19/26°C
22°C19/27°C
21°C18/27°C
21°C18/26°C
20°C19/23°C
20°C19/22°C
20°C19/24°C
21°C20/24°C
21°C19/25°C
21°C19/24°C
21°C19/25°C
21°C19/25°C
21°C19/25°C
22°C19/26°C
22°C20/27°C
22°C19/27°C
22°C19/28°C
23°C19/28°C
23°C20/28°C
22°C19/28°C
22°C19/27°C
22°C19/26°C
22°C19/26°C
22°C19/27°C
22°C19/26°C
22°C19/26°C
21°C20/25°C
21°C20/26°C
21°C19/26°C
--°C/°C
60AQI
54AQI
60AQI
57AQI
2025 Days Vs Air Quality
Katihalli, Hassan, Karnataka, India
0.7%
2
79%
207
21%
54
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 0.76%
Health Risk Level:
Extreme
In 2025, 0.76% of 264 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
Katihalli, Hassan, Karnataka, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
102AQI
110AQI
128AQI
118AQI
120AQI
123AQI
119AQI
129AQI
126AQI
130AQI
109AQI
110AQI
95AQI
76AQI
78AQI
96AQI
124AQI
114AQI
116AQI
92AQI
117AQI
102AQI
99AQI
90AQI
87AQI
102AQI
90AQI
80AQI
80AQI
84AQI
109AQI
96AQI
94AQI
88AQI
98AQI
86AQI
88AQI
81AQI
88AQI
109AQI
130AQI
106AQI
102AQI
104AQI
110AQI
114AQI
108AQI
105AQI
112AQI
121AQI
107AQI
117AQI
125AQI
99AQI
113AQI
99AQI
114AQI
106AQI
89AQI
78AQI
82AQI
96AQI
103AQI
112AQI
112AQI
110AQI
134AQI
148AQI
138AQI
125AQI
99AQI
109AQI
120AQI
132AQI
117AQI
124AQI
105AQI
100AQI
120AQI
115AQI
109AQI
104AQI
89AQI
85AQI
85AQI
91AQI
85AQI
89AQI
94AQI
92AQI
96AQI
89AQI
82AQI
68AQI
64AQI
66AQI
79AQI
76AQI
78AQI
77AQI
73AQI
78AQI
69AQI
71AQI
70AQI
72AQI
65AQI
69AQI
63AQI
69AQI
71AQI
71AQI
79AQI
77AQI
76AQI
77AQI
74AQI
72AQI
75AQI
70AQI
65AQI
72AQI
67AQI
68AQI
69AQI
70AQI
71AQI
69AQI
70AQI
70AQI
68AQI
64AQI
61AQI
66AQI
64AQI
66AQI
65AQI
66AQI
66AQI
61AQI
64AQI
72AQI
63AQI
61AQI
58AQI
56AQI
57AQI
53AQI
56AQI
61AQI
64AQI
65AQI
64AQI
65AQI
69AQI
73AQI
75AQI
70AQI
67AQI
64AQI
66AQI
69AQI
60AQI
60AQI
61AQI
63AQI
59AQI
57AQI
58AQI
58AQI
59AQI
58AQI
55AQI
60AQI
60AQI
61AQI
60AQI
60AQI
62AQI
60AQI
60AQI
60AQI
60AQI
57AQI
55AQI
55AQI
57AQI
60AQI
58AQI
59AQI
62AQI
60AQI
60AQI
59AQI
58AQI
58AQI
62AQI
57AQI
59AQI
58AQI
54AQI
57AQI
56AQI
56AQI
54AQI
51AQI
53AQI
54AQI
54AQI
59AQI
57AQI
58AQI
60AQI
63AQI
62AQI
65AQI
56AQI
50AQI
55AQI
55AQI
55AQI
56AQI
59AQI
62AQI
57AQI
58AQI
57AQI
55AQI
54AQI
53AQI
55AQI
55AQI
57AQI
60AQI
58AQI
57AQI
58AQI
61AQI
57AQI
54AQI
55AQI
55AQI
57AQI
59AQI
59AQI
59AQI
46AQI
64AQI
60AQI
56AQI
60AQI
66AQI
70AQI
64AQI
69AQI
69AQI
66AQI
62AQI
57AQI
56AQI
52AQI
54AQI
54AQI
105AQI
104AQI
107AQI
74AQI
65AQI
63AQI
57AQI
57AQI
60AQI
No. of days
202577AQI
Highest AQI recorded in
March107AQI
Lowest AQI recorded in
August57AQI
202477AQI
Highest AQI recorded in
March102AQI
Lowest AQI recorded in
September51AQI
202380AQI
Highest AQI recorded in
March108AQI
Lowest AQI recorded in
July56AQI
202282AQI
Highest AQI recorded in
March119AQI
Lowest AQI recorded in
June43AQI
Most & Least Polluted Years Over the Last 4 Years
Katihalli's annual 2025 AQI (77) shows an average percentage change of -2.8% (improved AQI) compared to previous years: 2022 (82), 2023 (80), 2024 (77).