Ratna Park, Kathmandu, Bagmati Province, Nepal 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+

September Air Quality Analysis
Ratna Park, Kathmandu, Bagmati Province, Nepal

2025

AQI

Days

Days	2025
Sep. 1	59
Sep. 2	58
Sep. 3	55
Sep. 4	54
Sep. 5	59
Sep. 6	57
Sep. 7	56
Sep. 8
Sep. 9
Sep. 10
Sep. 11
Sep. 12
Sep. 13
Sep. 14
Sep. 15
Sep. 16
Sep. 17
Sep. 18
Sep. 19
Sep. 20
Sep. 21
Sep. 22
Sep. 23
Sep. 24
Sep. 25
Sep. 26
Sep. 27
Sep. 28
Sep. 29
Sep. 30

AQI Trends: Highest and Lowest

Highest AQI recorded on

1st Sep 2025

59AQI

Lowest AQI recorded on

4th Sep 2025

54AQI

Same Day Analysis (7th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.

Day & Night AQI Trend: 7th Sep - 8th Sep 2025
Ratna Park, Kathmandu, Bagmati Province, Nepal

AQI

Day

Night

5 AM7th Sep 2025

6 PM

4 AM8th Sep 2025

Day time

Avg. Highest Time

8AM7th Sep

70AQI

Avg. Lowest Time

5AM7th Sep

45AQI

Night time

Avg. Highest Time

11PM7th Sep

66AQI

Avg. Lowest Time

3AM8th Sep

56AQI

In the last 24 hours,

Ratna Park's AQI reached its highest point of 70 at 8 AM during the Day, while the lowest point, 45, was recorded at 5 AM during the Day between 7th Sep and 8th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Ratna Park, Kathmandu, Bagmati Province, Nepal

AugSep

09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th

Day

Night

20°C19/22°C

22°C19/24°C

21°C20/22°C

22°C20/26°C

21°C20/22°C

20°C17/21°C

21°C16/25°C

22°C18/26°C

22°C18/27°C

22°C18/26°C

21°C17/25°C

21°C18/25°C

22°C19/25°C

21°C18/25°C

21°C18/24°C

21°C18/25°C

21°C18/24°C

21°C19/25°C

20°C19/22°C

21°C18/23°C

21°C19/25°C

21°C17/27°C

21°C17/26°C

21°C17/27°C

21°C17/25°C

21°C18/25°C

21°C19/24°C

5 AM

11 AM

6 PM

11 PM

4 AM

--°C/°C

Day time

Avg. Highest Time

8 AM - 6 PM

57AQI

11 hours / Day

330 hours / Month

Avg. Lowest Time

6 AM

50AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 8 AM to 6 PM (Avg. 57), while the lowest AQI was between 6 AM to 6 AM (Avg. 50).

Night time

Avg. Highest Time

8 PM - 10 PM

59AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

1 AM - 4 AM

55AQI

4 hours / Day

120 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 8 PM to 10 PM (Avg. 59), while the lowest AQI was between 1 AM to 4 AM (Avg. 55).

2025 Days Vs Air Quality
Ratna Park, Kathmandu, Bagmati Province, Nepal

2025

80%

15%

Total number of days with different AQI categories in last 251 days in 2025 (114 days remaining)

Good

5 Days

Moderate

82 Days

Poor

15 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 5%

Health Risk Level:

Extreme

In 2025, 5% of 251 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
Ratna Park, Kathmandu, Bagmati Province, Nepal

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.

88AQI

97AQI

62AQI

59AQI

57AQI

No. of days

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

202572AQI

Highest AQI recorded in

June

97AQI

Lowest AQI recorded in

September

57AQI

Most & Least Polluted Years Over the Last 1 Years

Most Polluted Year Recorded

2025(Avg.)

72AQI

Least Polluted Year Recorded

2025(Avg.)

72AQI

Ratna Park's annual 2025 AQI (72) shows an average percentage change of NaN% (improved AQI) compared to previous years: .


5 AM	45
6 AM	52
7 AM	60
8 AM	70
9 AM	58
10 AM	62
11 AM	60
12 PM	56
1 PM	58
2 PM	62
3 PM	58
4 PM	60
5 PM	59
6 PM	64
7 PM	62
8 PM	59
9 PM	57
10 PM	64
11 PM	66
12 AM	66
1 AM	61
2 AM	60
3 AM	56
4 AM	58

Ratna Park, Kathmandu, Bagmati Province, Nepal Historical Air Quality Analysis

September Air Quality AnalysisRatna Park, Kathmandu, Bagmati Province, Nepal

Day & Night AQI Trend: 7th Sep - 8th Sep 2025Ratna Park, Kathmandu, Bagmati Province, Nepal

Day & Night AQI Trend : Aug - Sep 2025Ratna Park, Kathmandu, Bagmati Province, Nepal

2025 Days Vs Air Quality Ratna Park, Kathmandu, Bagmati Province, Nepal

Annual Air Quality InsightsRatna Park, Kathmandu, Bagmati Province, Nepal

AQI levels in 2025

No. of days

September Air Quality Analysis
Ratna Park, Kathmandu, Bagmati Province, Nepal

Day & Night AQI Trend: 7th Sep - 8th Sep 2025
Ratna Park, Kathmandu, Bagmati Province, Nepal

Day & Night AQI Trend : Aug - Sep 2025
Ratna Park, Kathmandu, Bagmati Province, Nepal

2025 Days Vs Air Quality
Ratna Park, Kathmandu, Bagmati Province, Nepal

Annual Air Quality Insights
Ratna Park, Kathmandu, Bagmati Province, Nepal