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Nadezhda Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Sofia

Last Updated: 06 Oct 2025, 12:58am (Local Time)

location image
Live AQI
159(AQI-US)
Air Quality is
Unhealthy
pm10 :  67 µg/m³
PM2.5 :  67 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi unhealthy level.webp in Nadezhda
moderate rain

11 °C

Moderate rain
Humidity
Humidity71 %
Wind Speed
Wind Speed6 km/h
UV Index
UV Index0
Last Updated: 06 Oct 2025, 12:58am (Local Time)
Map

Nadezhda

Major Air Pollutants

Nadezhda

PM2.5's Icon

Particulate Matter(PM2.5)

67µg/m³

PM10's Icon

Particulate Matter(PM10)

67µg/m³

CO's Icon

Carbon Monoxide(CO)

66ppb

SO2's Icon

Sulfur Dioxide(SO2)

4ppb

NO2's Icon

Nitrogen Dioxide(NO2)

28ppb

O3's Icon

Ozone(O3)

6ppb

Trending in Bulgaria

Air Quality Monitoring for Logistics: Smarter Deliveries with Data

Air Quality Monitoring for Logistics: Smarter Deliveries with Data

Red Fort in Delhi is Not Red Anymore! It is Turning Black: Air Pollution Damaging Red Fort

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AQI Graph

Historical Air Quality Data

Nadezhda

24 Hours
AQI
Nadezhda
AQI
.
05-10-2025Time06-10-2025
57
Min.at 6:04 AM on 5th Oct
142
Max.at 12:04 AM on 6th Oct

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Nadezhda, Sofia, Sofia Grad, Bulgaria

AQI
Year
.
AQI

Annual AQI Trends

2020
29AQI
2021
34AQI
17%
Rise
2022
30AQI
-12%
Fall
2023
28AQI
-7%
Fall
2024
36AQI
29%
Rise
2025
50AQI
39%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
13%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedNovember, 202480AQI
Least PollutedMay, 202419AQI

* This data analysis is from year 2020 - 2025

Bulgaria's Metro Cities

Air Quality Index

Burgas City AQI

Burgas

53

temp.14°C
hum.82%
Dobrich City AQI

Dobrich

68

temp.12°C
hum.77%
Sofia City AQI

Sofia

122

temp.11°C
hum.71%
Varna City AQI

Varna

73

temp.12°C
hum.77%

Air Quality Calendar 2025

Nadezhda

2025
AQI
January
1 Jan
92
2 Jan
92
3 Jan
83
4 Jan
75
5 Jan
77
6 Jan
85
7 Jan
93
8 Jan
94
9 Jan
81
10 Jan
75
11 Jan
70
12 Jan
66
13 Jan
63
14 Jan
61
15 Jan
61
16 Jan
65
17 Jan
69
18 Jan
68
19 Jan
72
20 Jan
83
21 Jan
91
22 Jan
92
23 Jan
88
24 Jan
84
25 Jan
78
26 Jan
80
27 Jan
81
28 Jan
81
29 Jan
78
30 Jan
77
31 Jan
79
February
1 Feb
76
2 Feb
75
3 Feb
72
4 Feb
69
5 Feb
68
6 Feb
68
7 Feb
66
8 Feb
65
9 Feb
65
10 Feb
66
11 Feb
66
12 Feb
66
13 Feb
66
14 Feb
69
15 Feb
71
16 Feb
69
17 Feb
67
18 Feb
65
19 Feb
63
20 Feb
65
21 Feb
66
22 Feb
65
23 Feb
63
24 Feb
69
25 Feb
73
26 Feb
71
27 Feb
69
28 Feb
66
March
1 Mar
63
2 Mar
60
3 Mar
59
4 Mar
61
5 Mar
63
6 Mar
64
7 Mar
64
8 Mar
63
9 Mar
62
10 Mar
63
11 Mar
63
12 Mar
63
13 Mar
60
14 Mar
58
15 Mar
59
16 Mar
58
17 Mar
54
18 Mar
52
19 Mar
49
20 Mar
52
21 Mar
53
22 Mar
55
23 Mar
55
24 Mar
55
25 Mar
54
26 Mar
55
27 Mar
56
28 Mar
55
29 Mar
54
30 Mar
53
31 Mar
52
April
1 Apr
52
2 Apr
47
3 Apr
49
4 Apr
49
5 Apr
48
6 Apr
45
7 Apr
45
8 Apr
44
9 Apr
44
10 Apr
45
11 Apr
42
12 Apr
41
13 Apr
43
14 Apr
43
15 Apr
42
16 Apr
44
17 Apr
45
18 Apr
41
19 Apr
40
20 Apr
39
21 Apr
40
22 Apr
40
23 Apr
40
24 Apr
41
25 Apr
40
26 Apr
39
27 Apr
39
28 Apr
37
29 Apr
35
30 Apr
35
May
1 May
38
2 May
41
3 May
41
4 May
45
5 May
46
6 May
46
7 May
44
8 May
42
9 May
40
10 May
39
11 May
42
12 May
43
13 May
41
14 May
41
15 May
42
16 May
44
17 May
44
18 May
44
19 May
38
20 May
36
21 May
37
22 May
36
23 May
36
24 May
35
25 May
37
26 May
37
27 May
37
28 May
37
29 May
41
30 May
39
31 May
35
June
1 Jun
36
2 Jun
40
3 Jun
44
4 Jun
44
5 Jun
48
6 Jun
53
7 Jun
53
8 Jun
54
9 Jun
54
10 Jun
54
11 Jun
54
12 Jun
54
13 Jun
54
14 Jun
52
15 Jun
50
16 Jun
51
17 Jun
50
18 Jun
52
19 Jun
55
20 Jun
56
21 Jun
52
22 Jun
51
23 Jun
47
24 Jun
49
25 Jun
50
26 Jun
53
27 Jun
57
28 Jun
54
29 Jun
49
30 Jun
46
July
1 Jul
46
2 Jul
43
3 Jul
43
4 Jul
44
5 Jul
47
6 Jul
50
7 Jul
52
8 Jul
54
9 Jul
53
10 Jul
46
11 Jul
41
12 Jul
38
13 Jul
41
14 Jul
46
15 Jul
43
16 Jul
42
17 Jul
42
18 Jul
37
19 Jul
36
20 Jul
36
21 Jul
39
22 Jul
48
23 Jul
45
24 Jul
46
25 Jul
48
26 Jul
49
27 Jul
46
28 Jul
46
29 Jul
43
30 Jul
40
31 Jul
41
August
1 Aug
39
2 Aug
38
3 Aug
38
4 Aug
37
5 Aug
36
6 Aug
36
7 Aug
35
8 Aug
36
9 Aug
37
10 Aug
37
11 Aug
38
12 Aug
40
13 Aug
42
14 Aug
45
15 Aug
42
16 Aug
45
17 Aug
46
18 Aug
45
19 Aug
45
20 Aug
44
21 Aug
44
22 Aug
44
23 Aug
41
24 Aug
39
25 Aug
36
26 Aug
34
27 Aug
34
28 Aug
34
29 Aug
34
30 Aug
34
31 Aug
33
September
1 Sep
32
2 Sep
32
3 Sep
34
4 Sep
38
5 Sep
35
6 Sep
35
7 Sep
36
8 Sep
40
9 Sep
40
10 Sep
43
11 Sep
46
12 Sep
44
13 Sep
42
14 Sep
42
15 Sep
37
16 Sep
34
17 Sep
31
18 Sep
28
19 Sep
26
20 Sep
27
21 Sep
26
22 Sep
25
23 Sep
25
24 Sep
28
25 Sep
32
26 Sep
32
27 Sep
28
28 Sep
34
29 Sep
51
30 Sep
53
October
1 Oct
51
2 Oct
48
3 Oct
45
4 Oct
53
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 Oct
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Nadezhda

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Nadezhda

  • asthma due to air pollution in NadezhdaAsthma
  • heart due to air pollution in NadezhdaHeart Issues
  • allergy due to air pollution in NadezhdaAllergies
  • sinus due to air pollution in NadezhdaSinus
  • flu due to air pollution in NadezhdaCold/Flu
  • copd due to air pollution in NadezhdaChronic (COPD)
asthma due to air pollution in Nadezhda

High Chances of Asthma

Asthma

Risk of Asthma symptoms is High when AQI is Unhealthy (150-301)

Severe symptoms including intense wheezing, severe shortness of breath, significant chest tightness, and persistent coughing that may disrupt daily activities.

Do's :

  • Avoid going outside and keep windows closed to reduce exposure to pollutants.

  • Take prescribed medications as directed by your healthcare provider.

  • Maintain clean indoor air with air purifiers, especially in bedrooms and living areas.

Don'ts :

  • Smoke or expose yourself to secondhand smoke.

  • Engage in physical exertion outdoors.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

Bulgaria

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Sofia, Bulgaria

122
Poor
8xabove Standard

2.

Vratsa, Bulgaria

112
Poor
7xabove Standard

3.

Pernik, Bulgaria

110
Poor
7xabove Standard

4.

Ruse, Bulgaria

81
Moderate
5xabove Standard

5.

Devnya, Bulgaria

81
Moderate
5xabove Standard

6.

Blagoevgrad, Bulgaria

77
Moderate
5xabove Standard

7.

Varna, Bulgaria

73
Moderate
5xabove Standard

8.

Plovdiv, Bulgaria

70
Moderate
5xabove Standard

9.

Smolyan, Bulgaria

68
Moderate
5xabove Standard

10.

Shumen, Bulgaria

68
Moderate
5xabove Standard

Last Updated: 05 Oct 2025, 10:00 PM

AQI City Rankings

Air Quality Solutions For Nadezhda

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Nadezhda

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

air quality solutions for smart-city for Nadezhda

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Nadezhda

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

air quality solutions for hotels for Nadezhda

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for Nadezhda

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for Nadezhda

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

air quality solutions for fitness-center for Nadezhda

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Nadezhda

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for Nadezhda

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

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Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for Nadezhda

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

air quality solutions for hospitals for Nadezhda

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Nadezhda

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for Nadezhda

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for Nadezhda

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for Nadezhda

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Nadezhda's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Nadezhda
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Air Quality FAQs

at Nadezhda

Frequently Asked Questions About Air Quality

What is the current AQI level in Nadezhda?

The current real-time AQI level in Nadezhda is 159 (Unhealthy). This was last updated 06 Oct 2025, 12:58am (Local Time).

When was the best AQI level in Nadezhda in the last 24 hours?

The best AQI level was 57 (Moderate) at 6:04 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Nadezhda in the last 24 hours?

The worst AQI level was 142 (Poor) at 12:04 AM, Oct 6, 2025 (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Nadezhda during last 24 hours?

The AQI levels in Nadezhda have been fluctuating throughout the last 24 hours. The levels have increased by highest 142 at 12:04 AM, Oct 6, 2025 (Local Time), lowest 57 at 6:04 AM (Local Time).

What actions are recommended as per the current AQI level in Nadezhda?

Current AQI levels are unhealthy for everyone. It's advised to limit outdoor activities and consider using air purifiers indoors.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

Red Fort in Delhi is Not Red Anymore! It is Turning Black: Air Pollution Damaging Red Fort

Red Fort in Delhi is Not Red Anymore! It is Turning Black: Air Pollution Damaging Red Fort

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What’s the Connection Between Air Pollution and Blood Cancer?

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9 Sept 2025Shakshi
India Floods 2025: How Waterlogging Is Creating a Hidden Air Pollution Crisis?

India Floods 2025: How Waterlogging Is Creating a Hidden Air Pollution Crisis?

3 Sept 2025Shakshi
No Clean Air Day in Delhi 2025: Why Even Monsoon Could Not Help?

No Clean Air Day in Delhi 2025: Why Even Monsoon Could Not Help?

28 Aug 2025Shakshi
Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

21 Aug 2025Shakshi
Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025

Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025

19 Aug 2025Shakshi
Europe heatwave and wildfires 2025: What is happening across Spain, Portugal and neighbouring countries?

Europe heatwave and wildfires 2025: What is happening across Spain, Portugal and neighbouring countries?

13 Aug 2025Shakshi
How Air Pollution Damages Your Long-Term Financial Health?

How Air Pollution Damages Your Long-Term Financial Health?

12 Aug 2025Shakshi
Biggest Wildfire in France’s History?What It Means for Air Quality, Health, and Climate

Biggest Wildfire in France’s History?What It Means for Air Quality, Health, and Climate

7 Aug 2025Shakshi
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Pocket PM

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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

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