Dhankuta, Dharan, Kosi, 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
Dhankuta, Dharan, Kosi, Nepal

2024

2025

AQI

Days

Days	2025	2024
Sep. 1	60	71
Sep. 2	59	75
Sep. 3	56	73
Sep. 4	59
Sep. 5	58
Sep. 6	55
Sep. 7	56
Sep. 8	63
Sep. 9	71
Sep. 10	70
Sep. 11	67
Sep. 12	69
Sep. 13	65
Sep. 14	63
Sep. 15	61
Sep. 16	61
Sep. 17	57
Sep. 18	48
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

2nd Sep 2024

75AQI

Lowest AQI recorded on

18th Sep 2025

48AQI

Same Day Analysis (18th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Dhankuta, Dharan, Kosi, Nepal

AQI

Day

Night

5 AM18th Sep 2025

6 PM

4 AM19th Sep 2025

Day time

Avg. Highest Time

5AM18th Sep

67AQI

Avg. Lowest Time

4PM18th Sep

30AQI

Night time

Avg. Highest Time

9PM18th Sep

68AQI

Avg. Lowest Time

6PM18th Sep

34AQI

In the last 24 hours,

Dhankuta's AQI reached its highest point of 68 at 9 PM during the Night, while the lowest point, 30, was recorded at 4 PM during the Day between 18th Sep and 19th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Dhankuta, Dharan, Kosi, Nepal

AugSep

20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th

Day

Night

23°C20/27°C

23°C21/26°C

23°C20/26°C

23°C20/28°C

23°C21/27°C

22°C21/25°C

23°C20/27°C

23°C20/26°C

23°C21/26°C

24°C20/29°C

24°C20/28°C

24°C20/29°C

23°C20/28°C

23°C20/26°C

23°C20/27°C

23°C21/26°C

23°C22/26°C

23°C21/26°C

23°C21/27°C

22°C21/25°C

23°C20/27°C

21°C20/22°C

21°C19/22°C

21°C20/22°C

21°C20/24°C

22°C20/26°C

5 AM

11 AM

6 PM

11 PM

4 AM

--°C/°C

Day time

Avg. Highest Time

1 PM

61AQI

1 hours / Day

30 hours / Month

Avg. Lowest Time

6 AM

51AQI

1 hours / Day

30 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 1 PM to 1 PM (Avg. 61), while the lowest AQI was between 6 AM to 6 AM (Avg. 51).

Night time

Avg. Highest Time

8 PM - 11 PM

61AQI

4 hours / Day

120 hours / Month

Avg. Lowest Time

1 AM - 4 AM

57AQI

4 hours / Day

120 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 61), while the lowest AQI was between 1 AM to 4 AM (Avg. 57).

2025 Days Vs Air Quality
Dhankuta, Dharan, Kosi, Nepal

2025

68%

178

30%

Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)

Good

6 Days

Moderate

178 Days

Poor

77 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 2%

Health Risk Level:

Extreme

In 2025, 2% of 262 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
Dhankuta, Dharan, Kosi, 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.

120AQI

99AQI

103AQI

98AQI

85AQI

90AQI

62AQI

59AQI

61AQI

No. of days

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

202587AQI

178

Highest AQI recorded in

January

120AQI

Lowest AQI recorded in

August

59AQI

202469AQI

186

Highest AQI recorded in

December

117AQI

Lowest AQI recorded in

March

47AQI

202391AQI

Highest AQI recorded in

December

95AQI

Lowest AQI recorded in

November

64AQI

2021102AQI

Highest AQI recorded in

November

191AQI

Lowest AQI recorded in

October

38AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded

2021(Avg.)

102AQI

Least Polluted Year Recorded

2024(Avg.)

69AQI

Dhankuta's annual 2025 AQI (87) shows an average percentage change of 2.8% (worsened AQI) compared to previous years: 2021 (102), 2023 (91), 2024 (69).


5 AM	67
6 AM	32
7 AM	43
8 AM	36
9 AM	38
10 AM	32
11 AM	37
12 PM	36
1 PM	32
2 PM	36
3 PM	36
4 PM	30
5 PM	33
6 PM	34
7 PM	44
8 PM	44
9 PM	68
10 PM	54
11 PM	53
12 AM	58
1 AM	61
2 AM	66
3 AM	64
4 AM	62

Dhankuta, Dharan, Kosi, Nepal Historical Air Quality Analysis

September Air Quality AnalysisDhankuta, Dharan, Kosi, Nepal

Day & Night AQI Trend: 18th Sep - 19th Sep 2025Dhankuta, Dharan, Kosi, Nepal

Day & Night AQI Trend : Aug - Sep 2025Dhankuta, Dharan, Kosi, Nepal

2025 Days Vs Air Quality Dhankuta, Dharan, Kosi, Nepal

Annual Air Quality InsightsDhankuta, Dharan, Kosi, Nepal

AQI levels in 2025

No. of days

September Air Quality Analysis
Dhankuta, Dharan, Kosi, Nepal

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Dhankuta, Dharan, Kosi, Nepal

Day & Night AQI Trend : Aug - Sep 2025
Dhankuta, Dharan, Kosi, Nepal

2025 Days Vs Air Quality
Dhankuta, Dharan, Kosi, Nepal

Annual Air Quality Insights
Dhankuta, Dharan, Kosi, Nepal