Patna, Bihar, India Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Patna, Bihar, India
AQI Trends: Highest and Lowest
Same Day Analysis (18th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 117 of Poor air quality on the same day.
Day & Night AQI Trend: 17th Jul - 18th Jul 2026
Patna, Bihar, India
5 AM17th Jul 2026
6 PM
4 AM18th Jul 2026
127AQI
69AQI
136AQI
105AQI
In the last 24 hours,
Patna's AQI reached its highest point of 136 at 2 AM during the Night, while the lowest point, 69, was recorded at 2 PM during the Day between 17th Jul and 18th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Patna, Bihar, India
40°C35/45°C
40°C34/45°C
40°C34/46°C
37°C31/44°C
39°C34/45°C
39°C32/45°C
40°C34/45°C
39°C34/45°C
40°C35/43°C
39°C35/43°C
38°C32/44°C
35°C29/41°C
34°C29/39°C
35°C32/37°C
36°C32/38°C
36°C32/41°C
35°C31/39°C
32°C28/36°C
32°C28/35°C
33°C29/37°C
34°C31/38°C
34°C32/37°C
32°C30/35°C
35°C31/38°C
35°C32/39°C
35°C31/40°C
36°C32/42°C
35°C32/39°C
34°C31/37°C
33°C31/36°C
121AQI
103AQI
127AQI
107AQI
2026 Days Vs Air Quality
Patna, Bihar, India
5%
10
41%
82
34%
68
19%
37
1%
2
Total number of days with different AQI categories in last 199 days in 2026 (166 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 199 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
Patna, Bihar, India
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
202AQI (US)
238AQI (US)
236AQI (US)
178AQI (US)
218AQI (US)
290AQI (US)
245AQI (US)
270AQI (US)
230AQI (US)
318AQI (US)
334AQI (US)
248AQI (US)
216AQI (US)
210AQI (US)
226AQI (US)
253AQI (US)
290AQI (US)
279AQI (US)
234AQI (US)
282AQI (US)
236AQI (US)
196AQI (US)
246AQI (US)
267AQI (US)
270AQI (US)
220AQI (US)
202AQI (US)
233AQI (US)
181AQI (US)
190AQI (US)
205AQI (US)
214AQI (US)
233AQI (US)
234AQI (US)
169AQI (US)
177AQI (US)
187AQI (US)
183AQI (US)
189AQI (US)
197AQI (US)
199AQI (US)
199AQI (US)
200AQI (US)
168AQI (US)
172AQI (US)
193AQI (US)
192AQI (US)
209AQI (US)
200AQI (US)
193AQI (US)
202AQI (US)
174AQI (US)
165AQI (US)
161AQI (US)
169AQI (US)
184AQI (US)
173AQI (US)
163AQI (US)
153AQI (US)
155AQI (US)
155AQI (US)
184AQI (US)
182AQI (US)
181AQI (US)
205AQI (US)
223AQI (US)
231AQI (US)
242AQI (US)
203AQI (US)
230AQI (US)
196AQI (US)
187AQI (US)
160AQI (US)
201AQI (US)
173AQI (US)
150AQI (US)
185AQI (US)
190AQI (US)
178AQI (US)
124AQI (US)
140AQI (US)
147AQI (US)
172AQI (US)
144AQI (US)
145AQI (US)
152AQI (US)
111AQI (US)
155AQI (US)
168AQI (US)
170AQI (US)
167AQI (US)
137AQI (US)
113AQI (US)
108AQI (US)
85AQI (US)
105AQI (US)
135AQI (US)
164AQI (US)
158AQI (US)
104AQI (US)
120AQI (US)
124AQI (US)
152AQI (US)
132AQI (US)
196AQI (US)
166AQI (US)
163AQI (US)
164AQI (US)
148AQI (US)
158AQI (US)
145AQI (US)
134AQI (US)
170AQI (US)
156AQI (US)
165AQI (US)
130AQI (US)
115AQI (US)
137AQI (US)
130AQI (US)
101AQI (US)
133AQI (US)
109AQI (US)
136AQI (US)
131AQI (US)
107AQI (US)
142AQI (US)
93AQI (US)
132AQI (US)
106AQI (US)
107AQI (US)
128AQI (US)
153AQI (US)
126AQI (US)
115AQI (US)
148AQI (US)
149AQI (US)
166AQI (US)
162AQI (US)
150AQI (US)
164AQI (US)
146AQI (US)
144AQI (US)
150AQI (US)
132AQI (US)
150AQI (US)
96AQI (US)
102AQI (US)
118AQI (US)
98AQI (US)
123AQI (US)
157AQI (US)
160AQI (US)
166AQI (US)
142AQI (US)
157AQI (US)
162AQI (US)
124AQI (US)
125AQI (US)
142AQI (US)
133AQI (US)
139AQI (US)
124AQI (US)
122AQI (US)
138AQI (US)
120AQI (US)
133AQI (US)
149AQI (US)
135AQI (US)
135AQI (US)
117AQI (US)
141AQI (US)
127AQI (US)
114AQI (US)
115AQI (US)
102AQI (US)
121AQI (US)
110AQI (US)
156AQI (US)
154AQI (US)
118AQI (US)
131AQI (US)
156AQI (US)
124AQI (US)
122AQI (US)
94AQI (US)
80AQI (US)
66AQI (US)
93AQI (US)
119AQI (US)
126AQI (US)
108AQI (US)
114AQI (US)
97AQI (US)
101AQI (US)
89AQI (US)
116AQI (US)
107AQI (US)
104AQI (US)
117AQI (US)
240AQI (US)
188AQI (US)
175AQI (US)
139AQI (US)
131AQI (US)
134AQI (US)
107AQI (US)
No. of days
2026162AQI (US)
Highest AQI (US) recorded in
January240AQI (US)
Lowest AQI (US) recorded in
July107AQI (US)
2025135AQI (US)
Highest AQI (US) recorded in
December264AQI (US)
Lowest AQI (US) recorded in
August75AQI (US)
2024148AQI (US)
Highest AQI (US) recorded in
January196AQI (US)
Lowest AQI (US) recorded in
July80AQI (US)
2023175AQI (US)
Highest AQI (US) recorded in
November289AQI (US)
Lowest AQI (US) recorded in
September104AQI (US)
2022169AQI (US)
Highest AQI (US) recorded in
December285AQI (US)
Lowest AQI (US) recorded in
September102AQI (US)
2021146AQI (US)
Highest AQI (US) recorded in
January221AQI (US)
Lowest AQI (US) recorded in
August83AQI (US)
2020121AQI (US)
Highest AQI (US) recorded in
December243AQI (US)
Lowest AQI (US) recorded in
July61AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Patna's annual 2026 AQI (US) (162) shows an average percentage change of 10.4% (worsened AQI (US)) compared to previous years: 2020 (121), 2021 (146), 2022 (169), 2023 (175), 2024 (148), 2025 (135).