Zwolle, Overijssel, Netherlands 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+

July Air Quality Analysis
Zwolle, Overijssel, Netherlands

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	25	22	19	22	23
Jul. 2		23	29	24	23
Jul. 3		22	26	23	26
Jul. 4		25	22	17	26
Jul. 5		21	25	15	17
Jul. 6		22	20	14	19
Jul. 7		22	32	13	19
Jul. 8		22	42	14	24
Jul. 9		35	37	12	23
Jul. 10		28	28	14	26
Jul. 11		22	31	11	24
Jul. 12		20	22		29
Jul. 13		22	24	23	28
Jul. 14		25	26	14	29
Jul. 15		34	27	15	27
Jul. 16		37	23	24	26
Jul. 17		31	27	18	23
Jul. 18		29	23	40	15
Jul. 19		34	24	65	19
Jul. 20		42	21	32	22
Jul. 21		28	21	24	23
Jul. 22		24	18	12	23
Jul. 23		22	20	12	18
Jul. 24		23	22	30	24
Jul. 25		23	21		33
Jul. 26		21	21		24
Jul. 27		23	16		27
Jul. 28		25	18		27
Jul. 29		30	28		21
Jul. 30		33	26		20
Jul. 31		33	19		26

AQI Trends: Highest and Lowest

Highest AQI recorded on

19th Jul 2022

65AQI

Lowest AQI recorded on

11th Jul 2022

11AQI

Same Day Analysis (1st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 25 of Good air quality on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Zwolle, Overijssel, Netherlands

AQI

Day

Night

5 AM2nd Jul 2025

10 PM

4 AM3rd Jul 2025

Day time

Avg. Highest Time

12AMNaNth undefined

AQI

Avg. Lowest Time

12AMNaNth undefined

AQI

Night time

Avg. Highest Time

8AM2nd Jul

43AQI

Avg. Lowest Time

2AM3rd Jul

36AQI

In the last 24 hours,

Zwolle's AQI reached its highest point of 43 at 8 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Zwolle, Overijssel, Netherlands

JunJul

03rd - 04th04th - 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

Day

Night

16°C9/22°C

16°C11/19°C

14°C10/16°C

15°C12/19°C

13°C11/16°C

13°C9/15°C

14°C9/19°C

14°C10/17°C

14°C9/20°C

18°C10/25°C

23°C16/30°C

23°C17/30°C

17°C12/22°C

17°C12/23°C

18°C12/26°C

19°C12/25°C

17°C11/23°C

17°C9/25°C

22°C13/30°C

23°C17/30°C

18°C13/20°C

17°C13/21°C

21°C16/26°C

19°C16/23°C

18°C14/22°C

22°C16/26°C

21°C14/26°C

21°C12/29°C

27°C18/36°C

0°C0/0°C

5 AM

1 PM

10 PM

1 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

8 AM - 10 PM

29AQI

15 hours / Day

450 hours / Month

Avg. Lowest Time

5 AM - 7 AM

28AQI

3 hours / Day

90 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 8 AM to 10 PM (Avg. 29), while the lowest AQI was between 5 AM to 7 AM (Avg. 28).

Night time

Avg. Highest Time

12 AM - 11 PM

28AQI

6 hours / Day

180 hours / Month

Avg. Lowest Time

12 AM - 11 PM

28AQI

6 hours / Day

180 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 28), while the lowest AQI was between 12 AM to 11 PM (Avg. 28).

2025 Days Vs Air Quality
Zwolle, Overijssel, Netherlands

2025

74%

135

26%

Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)

Good

135 Days

Moderate

47 Days

Poor

0 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 74%

Health Risk Level:

Low

In 2025, 74% of 184 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights
Zwolle, Overijssel, Netherlands

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.

42AQI

57AQI

53AQI

33AQI

24AQI

28AQI

25AQI

No. of days

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

202539AQI

135

Highest AQI recorded in

February

57AQI

Lowest AQI recorded in

May

24AQI

202426AQI

360

Highest AQI recorded in

November

35AQI

Lowest AQI recorded in

January

13AQI

202323AQI

364

Highest AQI recorded in

June

34AQI

Lowest AQI recorded in

November

10AQI

202224AQI

317

Highest AQI recorded in

August

31AQI

Lowest AQI recorded in

November

17AQI

202124AQI

364

Highest AQI recorded in

June

30AQI

Lowest AQI recorded in

December

19AQI

202024AQI

262

Highest AQI recorded in

August

30AQI

Lowest AQI recorded in

December

18AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

39AQI

Least Polluted Year Recorded

2023(Avg.)

23AQI

Zwolle's annual 2025 AQI (39) shows an average percentage change of 63.3% (worsened AQI) compared to previous years: 2020 (24), 2021 (24), 2022 (24), 2023 (23), 2024 (26).


5 AM	37
6 AM	40
7 AM	41
8 AM	43
9 AM	41
10 AM	41
11 AM	38
12 PM	36
1 PM	36
2 PM	36
3 PM	36
4 PM	36
5 PM	36
6 PM	36
7 PM	38
8 PM	38
9 PM	36
10 PM	36
11 PM	36
12 AM	36
1 AM	36
2 AM	36
3 AM
4 AM

Zwolle, Overijssel, Netherlands Historical Air Quality Analysis

July Air Quality AnalysisZwolle, Overijssel, Netherlands

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Zwolle, Overijssel, Netherlands

Day & Night AQI Trend : Jun - Jul 2025Zwolle, Overijssel, Netherlands

2025 Days Vs Air Quality Zwolle, Overijssel, Netherlands

Annual Air Quality InsightsZwolle, Overijssel, Netherlands

AQI levels in 2025

No. of days

July Air Quality Analysis
Zwolle, Overijssel, Netherlands

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Zwolle, Overijssel, Netherlands

Day & Night AQI Trend : Jun - Jul 2025
Zwolle, Overijssel, Netherlands

2025 Days Vs Air Quality
Zwolle, Overijssel, Netherlands

Annual Air Quality Insights
Zwolle, Overijssel, Netherlands