Bucharest, Bucuresti, Romania 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
Bucharest, Bucuresti, Romania

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Jul. 1	37	36	35	37	42
Jul. 2		33	37	36	29
Jul. 3		29	45	34	28
Jul. 4		29	46	42	22
Jul. 5		23	36	41	17
Jul. 6		23	42	39	25
Jul. 7		25	36	31	29
Jul. 8		32	24	23	28
Jul. 9		36	27	24	33
Jul. 10		36	38	27	35
Jul. 11		42	44	24	38
Jul. 12		42	43	19	36
Jul. 13		44	49	17	39
Jul. 14		44	29	30	41
Jul. 15		47	29	29	40
Jul. 16		51	31	29	44
Jul. 17		53	37	30	40
Jul. 18		47	37	21	44
Jul. 19		47	32	25	45
Jul. 20		42	35	32	40
Jul. 21		43	33	34	45
Jul. 22		42	20	35	37
Jul. 23		40	27	38	36
Jul. 24		39	31	38	28
Jul. 25		33	50		31
Jul. 26		27	44	47	35
Jul. 27		23	25		43
Jul. 28		31	21		50
Jul. 29		27	34		46
Jul. 30		20	39		42
Jul. 31		22	35		43

AQI Trends: Highest and Lowest

Highest AQI recorded on

17th Jul 2024

53AQI

Lowest AQI recorded on

5th Jul 2021

17AQI

Same Day Analysis (1st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 37 of Good air quality, showing improvement over 2022 and 2021 on the same day.

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Bucharest, Bucuresti, Romania

AQI

Day

Night

5 AM2nd Jul 2025

9 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

39AQI

Avg. Lowest Time

6AM2nd Jul

32AQI

In the last 24 hours,

Bucharest's AQI reached its highest point of 39 at 8 AM during the Night, while the lowest point, 32, was recorded at 6 AM during the Night between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025
Bucharest, Bucuresti, Romania

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

25°C19/30°C

25°C20/31°C

25°C19/32°C

26°C21/31°C

25°C19/30°C

24°C18/31°C

23°C19/32°C

20°C18/22°C

22°C17/27°C

20°C16/25°C

20°C18/24°C

19°C14/24°C

20°C14/25°C

23°C17/29°C

25°C19/31°C

24°C18/29°C

26°C20/32°C

21°C18/23°C

21°C17/26°C

22°C15/28°C

25°C18/31°C

27°C20/34°C

28°C21/34°C

29°C22/36°C

28°C21/36°C

23°C19/29°C

23°C17/29°C

26°C20/32°C

24°C19/29°C

0°C0/0°C

5 AM

1 PM

9 PM

1 AM

4 AM

0°C0/0°C

Day time

Avg. Highest Time

5 AM - 9 PM

45AQI

17 hours / Day

510 hours / Month

Avg. Lowest Time

5 AM - 9 PM

45AQI

17 hours / Day

510 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 PM (Avg. 45), while the lowest AQI was between 5 AM to 9 PM (Avg. 45).

Night time

Avg. Highest Time

12 AM - 11 PM

47AQI

7 hours / Day

210 hours / Month

Avg. Lowest Time

12 AM - 4 AM

47AQI

5 hours / Day

150 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 47), while the lowest AQI was between 12 AM to 4 AM (Avg. 47).

2025 Days Vs Air Quality
Bucharest, Bucuresti, Romania

2025

43%

57%

103

Total number of days with different AQI categories in last 183 days in 2025 (182 days remaining)

Good

79 Days

Moderate

103 Days

Poor

0 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 43%

Health Risk Level:

Significant

In 2025, 43% of 183 days were within WHO’s safe air quality limits, and 57% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights
Bucharest, Bucuresti, Romania

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.

70AQI

64AQI

59AQI

42AQI

46AQI

37AQI

No. of days

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

202554AQI

103

Highest AQI recorded in

January

70AQI

Lowest AQI recorded in

July

37AQI

202444AQI

231

133

Highest AQI recorded in

November

69AQI

Lowest AQI recorded in

September

24AQI

202348AQI

242

110

Highest AQI recorded in

December

73AQI

Lowest AQI recorded in

June

33AQI

202243AQI

229

Highest AQI recorded in

December

81AQI

Lowest AQI recorded in

June

28AQI

202137AQI

317

Highest AQI recorded in

November

47AQI

Lowest AQI recorded in

May

26AQI

202025AQI

252

Highest AQI recorded in

March

43AQI

Lowest AQI recorded in

August

16AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2025(Avg.)

54AQI

Least Polluted Year Recorded

2020(Avg.)

25AQI

Bucharest's annual 2025 AQI (54) shows an average percentage change of 43.1% (worsened AQI) compared to previous years: 2020 (25), 2021 (37), 2022 (43), 2023 (48), 2024 (44).


5 AM	33
6 AM	32
7 AM	38
8 AM	39
9 AM	38
10 AM	34
11 AM	35
12 PM	36
1 PM	37
2 PM	37
3 PM	37
4 PM	37
5 PM	37
6 PM	37
7 PM	37
8 PM	35
9 PM	34
10 PM	34
11 PM	34
12 AM	34
1 AM	34
2 AM	35
3 AM	36
4 AM	36

Bucharest, Bucuresti, Romania Historical Air Quality Analysis

July Air Quality AnalysisBucharest, Bucuresti, Romania

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025Bucharest, Bucuresti, Romania

Day & Night AQI Trend : Jun - Jul 2025Bucharest, Bucuresti, Romania

2025 Days Vs Air Quality Bucharest, Bucuresti, Romania

Annual Air Quality InsightsBucharest, Bucuresti, Romania

AQI levels in 2025

No. of days

July Air Quality Analysis
Bucharest, Bucuresti, Romania

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Bucharest, Bucuresti, Romania

Day & Night AQI Trend : Jun - Jul 2025
Bucharest, Bucuresti, Romania

2025 Days Vs Air Quality
Bucharest, Bucuresti, Romania

Annual Air Quality Insights
Bucharest, Bucuresti, Romania