CAMS model • Open-Meteo

VarnaAir quality, PM2.5 and PM10

Check PM2.5 and PM10 particle levels alongside ozone, nitrogen dioxide and other gases. Compare the latest available concentrations with recent days and explore changes in air pollution through the available historical records.

Varna - latest available concentrations (September 27, 2026, 04:00 local time): PM2.5: 4 µg/m³, PM10: 6.4 µg/m³, O₃: 64 µg/m³, NO₂: 2.1 µg/m³, SO₂: 0.5 µg/m³, CO: 171 µg/m³. These are hourly CAMS model values for a point representing the city.

Air quality questions →

Varna · Air pollutant concentrations

Data time: September 27, 2026 · 04:00 · local time

PM2.5

Fine particles

4µg/m³Good · 1 hour

PM10

Particulate matter

6.4µg/m³Good · 1 hour

O₃

Ozone

64µg/m³Fair · 1 hour

NO₂

Nitrogen dioxide

2.1µg/m³Good · 1 hour

SO₂

Sulphur dioxide

0.5µg/m³Good · 1 hour

Carbon monoxide

171µg/m³

PM2.5 vs PM10 - what is the difference? → · Models and monitoring stations →

DAILY DATA · Varna

Varna - air pollution over recent days (2026-08-31 - 2026-09-26)

Concentrations of all available pollutants for this city.

PM2.5Lowest 3.04 2026-09-26Highest 8.93 2026-09-212026-08-31 - 2026-09-26

Scroll the chart or table sideways to see the full period.

Varna · daily averages · µg/m³
Pollutant	2026-09-26	2026-09-25	2026-09-24	2026-09-23	2026-09-22	2026-09-21	2026-09-20	2026-09-07	2026-09-06	2026-09-05	2026-09-04	2026-09-03	2026-09-02	2026-09-01	2026-08-31
PM2.5	3.04	4.64	5.11	3.99	3.89	8.93	7.76	3.6	5.13	7.87	8.66	7.57	6.42	5.68	6.75
PM10	5.43	6.55	6.79	5.79	5.7	12.23	10.35	5.47	7.48	10.12	11.38	11.52	9.98	8.17	10.61
O₃	71.38	67.21	56.46	56.63	64.75	76.54	80.33	67.75	69.92	85	81.79	75.83	74.67	73.83	71.71
NO₂	1.09	3.25	4.06	2.8	1.88	5.05	2.92	1.78	3.21	4.58	2.85	3.35	4.1	2.42	1.71
SO₂	0.25	0.84	1	0.6	0.5	1.25	0.95	0.43	0.81	1	0.72	0.78	0.95	0.53	0.47
CO	169.58	181.08	189.33	184.67	174.08	162.75	150.96	140.92	138.38	159.29	155.29	151.54	154.67	154.79	156.83

A dot on the chart and a dash in the table indicate missing data. The latest day may be incomplete.

How should I interpret the data and averaging period? →

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Environment and quality of life ratings · Varna

Archived ratings of the local environment: green spaces, cleanliness, noise and water quality. Opinion indicators are separate from pollutant concentration measurements.

Indicator	Varna	Macedonia	Romania	Serbia	Albania	Greece
Green and Parks in the City	66%	34%	53%	55%	37%	35%
particulate matter PM2.5 (µg/m³)	17	—	—	—	—	—
Pleasure of spending time in the city	56%	29%	55%	53%	40%	63%
particulate matter PM10 (µg/m³)	43	—	—	—	—	—
Air Pollution	55%	80%	57%	65%	69%	47%
Garbage Disposal	33%	29%	45%	39%	33%	40%
Availability and quality of drinking water	61%	58%	62%	64%	33%	75%
Cleanliness and tidiness	36%	26%	48%	37%	36%	40%
Noise and Light pollution	53%	54%	46%	51%	53%	47%
Water Pollution	50%	51%	46%	52%	68%	35%

NO₂ 5.4O₃ 46

September 27, 202604:00

Bulgaria · air quality in other cities

Sofia Plovdiv Burgas Rousse Stara Zagora Pleven

WEATHER & SURROUNDINGS

Varna · weather forecast

Daily maximum and minimum temperatures. Forecast point: 43.2167, 27.9167.

Scroll the forecast to see the following days.

Varna · September 24, 2026: minimum temperature 10.1°C, maximum 20.9°C. Wind: 12.3 km/h. Humidity: 42%.

Full forecast: temperature, rainfall, wind and humidity

Date	Day °C	Min °C	Max °C	Night °C	Rain mm	Wind m/s	Humidity %	Clouds %
2026-09-24	19.4	10.1	20.9	13.5	0.7	3.4	42	41
2026-09-25	21.5	11.1	21.9	14.7	0.1	3.6	41	98
2026-09-26	21.4	14.7	22	15.9	0.2	5.2	48	97
2026-09-27	21.3	13.5	22.6	14.7	5.1	6.4	42	13
2026-09-28	19.9	13.1	21.3	16.8	2.6	7.9	49	56
2026-09-29	15.4	15.1	17.4	17.4	1.2	6.3	75	100
2026-09-30	20.2	15.1	20.5	16.4	1.1	7.4	53	99
2026-10-01	15.5	13.4	17.3	16	1.7	6	72	100
2026-10-02	20.2	12.2	22.1	15.9	2.7	5.7	44	8
2026-10-03	19.8	12.3	20.4	14.7	9.9	4.4	27	6
2026-10-04	20.9	12.1	22.3	15.4	2	4.5	39	14
2026-10-05	18.7	11.2	18.7	11.2	2	5.7	47	100
2026-10-06	13.2	9.5	14.4	12.7	2	6.8	63	100
2026-10-07	14.1	8.8	15.6	12.7	0.2	8.8	44	100
2026-10-08	6	4.2	12.1	6.4	41.1	15.5	88	100
2026-10-09	11.7	4.1	13.9	10.7	—	5	55	7
2026-10-10	8.6	8.5	10.7	8.8	12.9	6.1	89	100
2026-10-11	10	7.7	11.9	7.8	8.2	9.9	92	99

UV index by day · Varna

City data.

Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

0-2 low3-5 moderate6-7 high8-10 very high11+ extreme

Scroll the forecast to see the following days.

Varna · September 26, 2026: UV index: 4.5 .

Indicator	2026-09-26	2026-09-27	2026-09-28	2026-09-29	2026-09-30	2026-10-01	2026-10-02	2026-10-03	2026-10-04	2026-10-05	2026-10-06	2026-10-07	2026-10-08	2026-10-09	2026-10-10	2026-10-11
UV index	4.5	4.9	4.6	0.7	4.7	4.3	4.5	4.4	4.4	3.5	2.1	3.3	0.5	4	0.4	—

Airborne pollen · Bulgaria

grains/m³ Data for a country reference point. Local conditions may differ.

Bulgaria · September 26, 2026: Alder: 0 grains/m³. Birch: 0 grains/m³. Grass: 0.7 grains/m³. Mugwort: 1.3 grains/m³. Olive: 0 grains/m³. Ragweed: 0.2 grains/m³.

Indicator	2026-09-26	2026-09-27	2026-09-28	2026-09-29
Alder	0	0	0	0
Birch	0	0	0	0
Grass	0.7	1.1	0.9	0.7
Mugwort	1.3	1.4	1.4	1.2
Olive	0	0	0	0
Ragweed	0.2	0.2	0.2	0

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AIR QUALITY QUESTIONS

Varna · air pollution - questions and answers

What do the latest air quality data show for Varna?

When was PM2.5 highest in Varna over the past week?

The highest available daily mean PM2.5 was 8.9 µg/m³ (September 21, 2026). This comparison covers 7 days with data in the seven days before September 27, 2026. The day of the latest reading is excluded because it may be incomplete.

Is the PM2.5 concentration for Varna an AQI score?

No. PM2.5 and PM10 are concentrations in µg/m³. AQI is a separate index calculated using a defined scale. When comparing air quality, also check other pollutants, the date and the averaging period.

What UV index does the available forecast show for Varna?

For September 26, 2026, the forecast UV index is 4.5. The UV section also shows the following available days.

What wind speed is forecast for Varna?

For September 24, 2026, forecast wind speed is 12.3 km/h. The weather table includes wind, temperature and other available parameters for subsequent days.

PM2.5 · PM10 · NO₂ · O₃

Understanding air quality and pollution data

What do PM2.5 and PM10 mean?

PM2.5 and PM10 are fractions of airborne particulate matter. PM2.5 covers fine particles up to 2.5 micrometres in diameter, while PM10 covers particles up to 10 micrometres. Concentrations in µg/m³ tell you how many micrograms of particles are present in a cubic metre of air. Compare values over the same time period.

Where does the air pollution data come from?

The latest concentrations come from the CAMS atmospheric model via Open-Meteo for each city’s coordinates. Values describe a model area, so conditions on individual streets may differ. Historical monitoring station data is shown separately where available.

How does PM2.5 concentration differ from AQI?

PM2.5 is the concentration of one particle fraction, expressed in µg/m³. AQI is an index calculated using a particular scale and thresholds. The pollutant cards show concentrations. Our city ranking compares PM2.5; PM10, ozone, nitrogen dioxide and other available gases add to the picture of air quality.

Which dates do the values and charts cover?

Each current value has a data date and time. Current concentration cards show the latest available hour, daily charts summarise individual days, and monthly records let you compare longer periods. These values represent different time intervals.

How can I check pollution in my city?

Search for your city and open its air quality page. Start with PM2.5 and PM10, then check the other available pollutants and the data timestamp. Charts and tables help you compare concentrations over time. Weather and historical climate information complement the pollution data.

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