Greta Jimenez
Delhi is one of the most polluted cities in the world, with air quality routinely eclipsing the safe limit of 100 on the Air Quality Index (AQI). In November 2024, for instance, the AQI in Delhi reached a hazardous level of 493. This is due to a combination of factors, including vehicular emissions, industrial emissions, construction, and crop stubble burning in neighbouring states. To avoid the harmful effects of Delhi's pollution, residents are advised to stay indoors, use N95/99 masks and air purifiers, and monitor AQI levels through apps and government platforms. Maintaining a healthy diet, staying hydrated, and exercising indoors are also recommended.
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What You'll Learn
Wear N95/99 masks when outside
When spending time outdoors in Delhi, it is highly recommended to wear an N95 or N99 mask. These masks are widely considered the gold standard for respiratory protection and are commonly used in hospitals. N95 masks filter out at least 95% of 0.3-micron particles, while N99 masks filter out at least 99% of particles.
It is important to note that there are no government-defined quality standards for masks in India, so it is advisable to refer to American standards when purchasing a mask. When selecting a mask, consider the filter size or the size of the particulate matter it can filter. Look for masks that can filter out particles smaller than 2.5 microns, as these are both damaging and dangerous.
Additionally, ensure that the mask fits snugly over the bridge of your nose and covers your nose and mouth completely. The fit of the mask is critical to ensuring its effectiveness. Keep in mind that N95 masks may not be the most comfortable option, and prolonged use may cause discomfort to your ears, nose, or face.
If you intend to engage in any form of exercise or strenuous physical activity outdoors, wearing an N95 or N99 mask is especially important. This is because such activities increase your breathing rate, making you more susceptible to inhaling pollutants and contaminants present in the air.
By wearing N95 or N99 masks when outside, you can significantly reduce your exposure to harmful pollutants and protect your respiratory health in Delhi's polluted environment.
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Avoid outdoor activities and exercise
Delhi's air pollution is a serious issue, with the Air Quality Index (AQI) often reaching hazardous levels. When pollution is high, it is best to avoid outdoor activities and exercise. Here are some tips to help you minimise your exposure to harmful pollutants:
Check the AQI before stepping out: Delhi's AQI can be unpredictable, so it is essential to check real-time updates before planning any outdoor activities. Use apps like AQI India or websites from the Central Pollution Control Board (CPCB) to stay informed. If the AQI is in the "severe" or hazardous range, it is best to avoid outdoor exercises.
Avoid outdoor exercises during peak pollution hours: If the air quality is poor but not severe, opt for light exercises and avoid peak pollution hours, usually in the mornings. Finish your outdoor workouts before 7 am, as the quality of air deteriorates after that due to increased vehicular movement.
Replace outdoor workouts with indoor alternatives: When outdoor air pollution is high, shift your workouts indoors. Consider home workouts, online yoga or pilates sessions, or joining a gym with air purification systems. This will allow you to maintain your exercise routine while minimising exposure to pollutants.
Take precautions when exercising outdoors: If you must exercise outdoors, choose the right protective gear. Wear N95 or N99 masks that fit snugly and cover your nose and mouth. Avoid exercising outdoors in the morning when it's cold, as pollution levels are typically at their highest.
Stay informed about pollution sources: Understand the factors contributing to Delhi's air pollution, such as vehicular emissions, dust, industrial emissions, stubble burning, and firecrackers during festivals. This awareness can help you make informed decisions about your outdoor activities.
Remember, your health should always come first. By following these tips, you can minimise your exposure to harmful pollutants and protect yourself during periods of high air pollution in Delhi.
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Use public transport or electric vehicles
Delhi's air pollution is a serious issue, with the city's Air Quality Index (AQI) often reaching hazardous levels. One significant contributor to this pollution is vehicular emissions, which account for almost 41% of the total air pollution in the city.
To reduce your exposure to Delhi's polluted air and also help decrease pollution levels, it is advisable to use public transportation or electric vehicles.
Public transportation, such as the Delhi Metro, offers cleaner and quicker travel. It is an eco-friendly option that reduces congestion and provides health benefits by shielding you from spending excessive time outdoors. Additionally, it helps conserve energy and reduce greenhouse gas emissions. Research shows that public transportation in the U.S. saves 37 million metric tons of carbon dioxide annually. By switching from a solo car commute to public transportation, an individual can significantly reduce their carbon footprint, with potential savings of up to 48,000 pounds of carbon dioxide in a year.
If you must drive, consider switching to an electric or hybrid vehicle. While the upfront cost of these vehicles can be high, they are a worthwhile investment for both the environment and your health. Electric vehicles do not produce tailpipe emissions, helping to improve air quality and reduce the health risks associated with vehicular pollution.
However, it is important to consider the broader implications of widespread electric vehicle adoption. The minerals required for electrification, such as lithium, cobalt, and manganese, are often scarce, and future demand is projected to exceed the supply of known reserves. This could lead to exploitative practices, biodiversity loss, and pollution of water supplies. Therefore, while electric vehicles can be a part of the solution, they should not be the sole focus of our efforts to combat pollution and climate change.
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Consume anti-inflammatory foods and drinks
Delhi's air pollution is a severe issue, with the Air Quality Index (AQI) often reaching hazardous levels. To protect yourself, it is essential to take measures such as wearing masks, using air purifiers, and adapting your diet to include anti-inflammatory foods and drinks.
Citrus Fruits
Citrus fruits like oranges and lemons are excellent sources of Vitamin C, which helps combat inflammation triggered by pollutants.
Turmeric Milk
Turmeric milk, or haldi doodh, is a traditional drink known for its anti-inflammatory properties. The active compound in turmeric, curcumin, has been extensively studied for its ability to reduce inflammation in the body.
Ginger and Tulsi Tea
Brewing tea with ginger and tulsi (holy basil) leaves is a natural remedy for respiratory discomfort. Both ingredients possess anti-inflammatory properties and can help soothe inflamed airways.
Omega-3 Rich Foods
Incorporate omega-3 fatty acids into your diet through foods like walnuts and flaxseeds. Omega-3s have anti-inflammatory effects and can support overall health.
Water and Herbal Teas
Staying hydrated is crucial when dealing with pollution. Aim for 8-10 glasses of water per day. Additionally, herbal teas and fresh juices can aid in detoxifying your system and reducing inflammation.
Anti-Inflammatory Diet
Adopt an overall healthy eating pattern that focuses on anti-inflammatory foods. The Mediterranean diet, rich in fruits, vegetables, nuts, whole grains, fish, and healthy oils, is recommended for its anti-inflammatory benefits.
Avoid Inflammatory Foods
Limit your consumption of inflammatory foods, such as red meat, processed meats, refined carbohydrates, and sugary drinks. These foods can contribute to weight gain and increase inflammation in the body.
Remember, while diet plays a crucial role in reducing inflammation, it should be combined with other protective measures, such as wearing masks, using air purifiers, and limiting outdoor activities during peak pollution hours.
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Keep your house clean and well-ventilated
Keeping your house clean and well-ventilated is crucial to minimising the impact of Delhi's air pollution on your health. Here are some detailed tips to achieve this:
Reduce indoor air pollution sources:
- Avoid smoking indoors. Secondhand smoke is a significant indoor pollutant and can cause serious respiratory issues, especially in children and older adults with cardiovascular or lung problems.
- Minimise the use of candles, incense, or any other sources of smoke indoors, as they can exacerbate indoor pollution. Opt for non-scented candles or LED alternatives.
- When cooking, ventilate your kitchen stove directly outside or open a window. Cooking, especially with a gas stove, can produce high levels of nitrogen dioxide, which is unsafe to breathe.
- Avoid using hair and nail products, cleaning products, and hobby supplies that contribute to VOCs (volatile organic compounds). Opt for eco-friendly, low-VOC alternatives, and ensure proper ventilation when using these products.
- Regularly clean and dust your house using a vacuum cleaner and a microfiber or damp cloth. This helps reduce dust and other allergens.
- Maintain humidity levels below 50% to prevent mould and mildew buildup. Use a dehumidifier if necessary, and regularly change appliance filters.
- Test your home for dangerous gases like radon and asbestos. These gases are odourless and can have severe health impacts, including lung cancer and other lung diseases.
Improve ventilation:
- Increase the amount of outdoor air circulating indoors. Open windows and doors when the weather permits, or use fans to improve ventilation.
- Consider installing energy-efficient heat recovery ventilators or a whole-house ventilation system to mechanically bring fresh air into your home.
- If you have a forced-air heating system, ensure proper ventilation during heating or cooling.
- When engaging in activities that generate high levels of pollutants, such as painting, welding, or cooking, ensure adequate ventilation or perform these tasks outdoors if possible.
- Use air cleaners or purifiers to remove particulate matter from the indoor air. Look for models with high efficiency in particle removal and adequate air circulation rates.
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Frequently asked questions
Using public transportation, such as the Delhi Metro, is a great way to reduce your exposure to pollution while travelling. If you must drive, consider switching to an electric or hybrid vehicle.
Keeping your house clean and well-ventilated is important. Avoid indoor activities that contribute to air pollution, such as smoking or burning incense. Opt for no or low-VOC products and improve ventilation when cooking or cleaning.
A healthy diet rich in antioxidants and anti-inflammatory foods can help protect your body from the harmful effects of pollution. Include foods rich in vitamins C and E, such as citrus fruits, vegetables, beans, nuts, and omega-3-rich foods like walnuts and flaxseeds.
Check the Air Quality Index (AQI) before stepping out. Avoid outdoor exercises during peak pollution hours and opt for indoor workouts instead. If you must exercise outdoors, wear an N95/99 mask that fits snugly and covers your nose and mouth.
