What does the current AQI of 73 mean?

The AQI at Mariam Nagar, Purnia - BSPCB is 73, classified as 'Satisfactory'. Generally acceptable, but sensitive groups should monitor exposure.

Is PM2.5 of 73.0 harmful?

PM2.5 level is 73.0 µg/m³, considered 'Moderate'. Fine particulate matter can penetrate deep into lungs and cause respiratory issues. People with asthma or heart disease should take precautions.

What does PM10 level of 58.0 mean?

PM10 is 58.0 µg/m³ at Mariam Nagar, Purnia - BSPCB, marked as 'Satisfactory'. It indicates larger dust or pollen particles which may cause throat irritation or allergies.

Should I worry about NO₂ being 6.0 µg/m³?

NO₂ level is 6.0 µg/m³. Higher levels often come from vehicle emissions and may aggravate lung diseases. Consider reducing time near heavy traffic if you're sensitive.

What are the risks of CO at 59.0 mg/m³?

Carbon Monoxide is at 59.0 mg/m³. CO can reduce oxygen delivery in the body. High values are dangerous indoors and for people with cardiovascular conditions.

Why is ozone (O₃) important in air quality?

Ground-level ozone is 22.0 µg/m³. Though protective high up, it can cause respiratory problems when present in lower atmosphere, especially in sunlight-heavy hours.

When was this data last updated?

This AQI data was last updated on April 16, 2026, 3 a.m.. Check the timestamp to ensure you're viewing the most recent air quality levels.

● Live

AQI Near Gopalpur, Purnia

Serving Gopalpur, Bhagalpur (853205) · Live AQI

Last updated: April 16, 2026, 3 a.m.

Current AQI is 73 (Satisfactory).

Last 24 hours: low 6 · high 75

This station covers AQI for Gopalpur (853205) in Purnia.

AQI Index

Satisfactory

24h low

24h high

30-day avg

57.1

Good Satisfactory Moderate Poor Very Poor Severe

Check AQI at your current location
Uses device GPS · No data stored

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Areas Covered Near This Station

Air quality readings here represent nearby areas around Gopalpur in Purnia.

Nearby locality: Gopalpur · District: Bhagalpur · Pincode: 853205

MDR, Gopalpur, Bhagalpur, Bihar, 853205, India

Pollutant Breakdown

PM2.5

73.0

Moderate

PM10

58.0

Satisfactory

NO₂

6.0

Good

59.0

Severe

O₃

22.0

Good

SO₂

17.0

Good

AQI Trends (Last 30 Days)

Based on station history. Latest history update: 16 Apr 2026, 3 AM.

30-day avg

57.1

Top Polluted Cities (Latest)

FAQs About Mariam Nagar, Purnia - BSPCB Air Quality

The AQI at Mariam Nagar, Purnia - BSPCB is 73, classified as Satisfactory. Acceptable, but people with respiratory conditions should still be cautious.

PM2.5 at this station is 73.0, classified as Moderate. Fine particles like these can enter your lungs and bloodstream, especially dangerous for people with asthma or heart issues. Avoid outdoor exercise if levels exceed 60 µg/m³.

PM10 is currently 58.0 at Mariam Nagar, Purnia - BSPCB, labeled Satisfactory. This indicates presence of coarse dust and pollen. If you're sensitive to dust or allergens, consider wearing a mask or avoiding dusty areas.

Carbon Monoxide is measured at 59.0 mg/m³ here. While safe under 1 mg/m³, higher levels can reduce oxygen delivery to organs. Vulnerable groups should avoid enclosed, polluted spaces.

O₃ level is 22.0. While ozone protects us high in the atmosphere, ground-level ozone is harmful, especially during hot afternoons. It can trigger coughing and lung discomfort.

Nitrogen Dioxide is 6.0 µg/m³ – a marker of traffic pollution. If you're in a high-traffic area or sensitive to respiratory irritants, it's wise to avoid peak rush hours outdoors.

Data was last refreshed at April 16, 2026, 3 a.m.. Some stations update hourly; others may lag. Always check timestamp before taking action.

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📊 Data Source Attribution

Air quality data provided by the World Air Quality Index (WAQI) project and the Central Pollution Control Board (CPCB), sourced via data.gov.in.