Bengaluru, Karnataka, India Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

October Air Quality Analysis
Bengaluru, Karnataka, India

2025

AQI

Days

Days	2025
Oct. 1	65
Oct. 2	54
Oct. 3	61
Oct. 4
Oct. 5
Oct. 6
Oct. 7
Oct. 8
Oct. 9
Oct. 10
Oct. 11
Oct. 12
Oct. 13
Oct. 14
Oct. 15
Oct. 16
Oct. 17
Oct. 18
Oct. 19
Oct. 20
Oct. 21
Oct. 22
Oct. 23
Oct. 24
Oct. 25
Oct. 26
Oct. 27
Oct. 28
Oct. 29
Oct. 30
Oct. 31

AQI Trends: Highest and Lowest

Highest AQI recorded on

1st Oct 2025

65AQI

Lowest AQI recorded on

2nd Oct 2025

54AQI

Same Day Analysis (3rd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 61 of Moderate air quality on the same day.

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Bengaluru, Karnataka, India

AQI

Day

Night

6 AM3rd Oct 2025

6 PM

5 AM4th Oct 2025

Day time

Avg. Highest Time

8AM3rd Oct

82AQI

Avg. Lowest Time

3PM3rd Oct

38AQI

Night time

Avg. Highest Time

5AM4th Oct

78AQI

Avg. Lowest Time

11PM3rd Oct

41AQI

In the last 24 hours,

Bengaluru's AQI reached its highest point of 82 at 8 AM during the Day, while the lowest point, 38, was recorded at 3 PM during the Day between 3rd Oct and 4th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025
Bengaluru, Karnataka, India

SepOct

04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th

Day

Night

--°C/°C

23°C19/27°C

22°C19/25°C

21°C19/25°C

22°C19/27°C

22°C18/28°C

22°C19/27°C

22°C19/28°C

23°C19/28°C

6 AM

12 PM

6 PM

12 AM

5 AM

--°C/°C

Day time

Avg. Highest Time

7 AM - 8 AM

72AQI

2 hours / Day

60 hours / Month

Avg. Lowest Time

2 PM - 4 PM

44AQI

3 hours / Day

90 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 7 AM to 8 AM (Avg. 72), while the lowest AQI was between 2 PM to 4 PM (Avg. 44).

Night time

Avg. Highest Time

7 PM

65AQI

1 hours / Day

30 hours / Month

Avg. Lowest Time

12 AM

53AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 65), while the lowest AQI was between 12 AM to 12 AM (Avg. 53).

2025 Days Vs Air Quality
Bengaluru, Karnataka, India

2025

22%

78%

Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)

Good

2 Days

Moderate

7 Days

Poor

0 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 22%

Health Risk Level:

Very high

In 2025, 22% of 277 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights
Bengaluru, Karnataka, India

AQI levels in 2025

AQI

PM2.5

PM10

SO2

NO2

Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

54AQI

60AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202556AQI

Highest AQI recorded in

October

60AQI

Lowest AQI recorded in

September

54AQI

Most & Least Polluted Years Over the Last 1 Years

Most Polluted Year Recorded

2025(Avg.)

56AQI

Least Polluted Year Recorded

2025(Avg.)

56AQI

Bengaluru's annual 2025 AQI (56) shows an average percentage change of NaN% (improved AQI) compared to previous years: .


6 AM	68
7 AM	78
8 AM	82
9 AM	70
10 AM	63
11 AM	60
12 PM	52
1 PM	50
2 PM	42
3 PM	38
4 PM	42
5 PM	51
6 PM	67
7 PM	58
8 PM	55
9 PM	49
10 PM	51
11 PM	41
12 AM	44
1 AM	45
2 AM	55
3 AM	65
4 AM	70
5 AM	78

Bengaluru, Karnataka, India Historical Air Quality Analysis

October Air Quality AnalysisBengaluru, Karnataka, India

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025Bengaluru, Karnataka, India

Day & Night AQI Trend : Sep - Oct 2025Bengaluru, Karnataka, India

2025 Days Vs Air Quality Bengaluru, Karnataka, India

Annual Air Quality InsightsBengaluru, Karnataka, India

AQI levels in 2025

No. of days

October Air Quality Analysis
Bengaluru, Karnataka, India

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Bengaluru, Karnataka, India

Day & Night AQI Trend : Sep - Oct 2025
Bengaluru, Karnataka, India

2025 Days Vs Air Quality
Bengaluru, Karnataka, India

Annual Air Quality Insights
Bengaluru, Karnataka, India