Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Ondrejov
Air quality index (AQI) and PM2.5 air pollution in Ondrejov
726 people follow this city
Ondrejov Air Quality Map
Real-time Ondrejov air pollution map
Pollen
What is the pollen count in Ondrejov today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Ondrejov?
| Weather | Broken clouds |
| Temperature | 53.6°F |
| Humidity | 91% |
| Wind | 4.3 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Czech Republic city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Frydlant, Liberecky | 61 |
| 2 | Ostrava, Moravskoslezsky | 52 |
| 3 | Usti nad Labem, Ustecky | 38 |
| 4 | Hradec Kralove, Kralovehradecky | 35 |
| 5 | Prague, Praha | 34 |
| 6 | Brno, South Moravian | 27 |
| 7 | Pilsen, Plzensky | 23 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Ondrejov aqi ranking
Real-time Ondrejov air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Ondrejov Station | 34 |
(local time)
SEE WORLD AQI RANKING
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Ondrejov?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.1*µg/m³ | |
| O3 | 84.6*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Ondrejov is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Ondrejov?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Ondrejov air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 55 AQI US |  90% | 60.8° 48.2° |  8.9 mp/h |
| Sunday, May 26 | Moderate 52 AQI US | 100% | 68° 48.2° | 11.2 mp/h |
| Monday, May 27 | Moderate 52 AQI US | 100% | 69.8° 48.2° | 8.9 mp/h |
| Tuesday, May 28 | Moderate 53 AQI US | 90% | 68° 53.6° | 4.5 mp/h |
| Wednesday, May 29 | Moderate 51 AQI US | 40% | 59° 48.2° | 13.4 mp/h |
| Thursday, May 30 | Moderate 54 AQI US | | 62.6° 44.6° | 8.9 mp/h |
| Friday, May 31 | Moderate 62 AQI US | 50% | 66.2° 50° | 6.7 mp/h |
| Saturday, Jun 1 | Good 44 AQI US  | 100% | 57.2° 50° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Ondrejov?
AQI US, Metric