AQI PM2.5 PM10 CO SO2 NO2 O3

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Ondrejov Air Quality Index (AQI) | Air Pollution

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

Last Updated: 29 Apr 2025, 02:09am (Local Time)

Live AQI

Air Quality is

Good

pm10 : 14 µg/m³

PM2.5 : 6 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

10 °C

Last Updated: 29 Apr 2025, 02:09am (Local Time)

Map

Ondrejov

Major Air Pollutants
Ondrejov

Particulate Matter(PM2.5)

6µg/m³

Particulate Matter(PM10)

14µg/m³

Carbon Monoxide(CO)

136ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

4ppb

Ozone(O3)

37ppb

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AQI Graph

Historical Air Quality Data
Ondrejov

24 Hours

AQI

Ondrejov

Want air quality data?

AQI Trends - Annual Air Quality Changes
Ondrejov, Ricany, Stredocesky Kraj, Czechia

AQI

Year

AQI

Annual AQI Trends

2020

45AQI

2021

48AQI

Rise

2022

51AQI

Rise

2023

43AQI

-16%

Fall

2024

46AQI

Rise

2025

54AQI

17%

Rise

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedMarch, 202280AQI

Least PollutedNovember, 202332AQI

* This data analysis is from year 2020 - 2025

Czechia's Metro Cities
Air Quality Index

Brno

Liberec

Olomouc

Prague

Air Quality Calendar 2025
Ondrejov

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 64	2 Jan 31	3 Jan 35	4 Jan 31
5 Jan 61	6 Jan 62	7 Jan 38	8 Jan 27	9 Jan 25	10 Jan 29	11 Jan 27
12 Jan 27	13 Jan 39	14 Jan 71	15 Jan 49	16 Jan 45	17 Jan 47	18 Jan 75
19 Jan 71	20 Jan 72	21 Jan 63	22 Jan 75	23 Jan 50	24 Jan 38	25 Jan 42
26 Jan 48	27 Jan 39	28 Jan 42	29 Jan 28	30 Jan 57	31 Jan 54	1 Feb 54

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 48	27 Jan 39	28 Jan 42	29 Jan 28	30 Jan 57	31 Jan 54	1 Feb 54
2 Feb 72	3 Feb 71	4 Feb 73	5 Feb 73	6 Feb 50	7 Feb 61	8 Feb 78
9 Feb 89	10 Feb 78	11 Feb 89	12 Feb 85	13 Feb 67	14 Feb 89	15 Feb 72
16 Feb 72	17 Feb 72	18 Feb 76	19 Feb 68	20 Feb 79	21 Feb 77	22 Feb 77
23 Feb 71	24 Feb 75	25 Feb 67	26 Feb 62	27 Feb 40	28 Feb 35	1 Mar 50

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 71	24 Feb 75	25 Feb 67	26 Feb 62	27 Feb 40	28 Feb 35	1 Mar 50
2 Mar 50	3 Mar 66	4 Mar 73	5 Mar 72	6 Mar 71	7 Mar 72	8 Mar 69
9 Mar 72	10 Mar 79	11 Mar 60	12 Mar 60	13 Mar 52	14 Mar 66	15 Mar 59
16 Mar 54	17 Mar 48	18 Mar 53	19 Mar 63	20 Mar 57	21 Mar 63	22 Mar 62
23 Mar 58	24 Mar 65	25 Mar 73	26 Mar 72	27 Mar 42	28 Mar 63	29 Mar 80
30 Mar 41	31 Mar 25	1 Apr 40	2 Apr 48	3 Apr 52	4 Apr 50	5 Apr 55

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 41	31 Mar 25	1 Apr 40	2 Apr 48	3 Apr 52	4 Apr 50	5 Apr 55
6 Apr 26	7 Apr 29	8 Apr 27	9 Apr 43	10 Apr 39	11 Apr 39	12 Apr 43
13 Apr 41	14 Apr 50	15 Apr 33	16 Apr 50	17 Apr 54	18 Apr 33	19 Apr 22
20 Apr 35	21 Apr 37	22 Apr 28	23 Apr 24	24 Apr 33	25 Apr 31	26 Apr 34
27 Apr 33	28 Apr -	29 Apr -	30 Apr -	1 May -	2 May -	3 May -

Health Advice For People Living In
Ondrejov

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

Solutions for Current AQI

Air PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable

As per the current AQI, turn off the air purifier.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Ondrejov

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

Keep track of air quality to plan outdoor activities safely.
Drink water to keep airways moist and reduce irritation.
Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

Skip medications that is prescribed by your doctor.
Engage in outdoor activities in early morning during high pollen hours.

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Czechia

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

Tachov, Czechia

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Most, Czechia

Krupka, Czechia

Ceska Lipa, Czechia

Teplice, Czechia

Jilove, Czechia

Litomerice, Czechia

10.

Prague, Czechia

Moderate

4xabove Standard

Last Updated: 29 Apr 2025, 01:23 AM

AQI City Rankings

Air Quality Solutions For Ondrejov
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

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Ondrejov

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

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 Ondrejov

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

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

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

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

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

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

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

air quality solutions for airport for Ondrejov

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

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

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 Ondrejov

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

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

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

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

Ondrejov's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

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.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Ondrejov

Frequently Asked Questions About Air Quality

What is the current AQI level in Ondrejov?

The current real-time AQI level in Ondrejov is 32 (Good). This was last updated 29 Apr 2025, 02:09am (Local Time).

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

The best AQI level was 26 (Good) at 5:09 PM, Apr 28, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 65 (Moderate) at 8:09 AM, Apr 28, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Ondrejov have been fluctuating throughout the last 24 hours. The levels have increased by highest 65 at 8:09 AM, Apr 28, 2025 (Local Time), lowest 26 at 5:09 PM, Apr 28, 2025 (Local Time).

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

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.