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Mammoth Lakes Nitrogen Dioxide (NO₂) Level

California, United States

Nitrogen Dioxide (NO₂)

69ppb

Moderate

Last Updated: 2026-08-16 18:51:01 (Local Time)

Map

Mammoth Lakes

Good

040

Moderate

Poor

180

Unhealthy

190

Severe

400

Hazardous

500+

What is the Current NO₂ Level?
Mammoth Lakes

The current NO₂ level in Mammoth Lakes based on the average air quality level across the city is 69 ppb making it acceptable, but sensitive individuals should be cautious.

5.1xAbove

The current NO₂ level in Mammoth Lakes is 5.1x Above the recommended WHO guideline of 13.29 ppb.

AQI Graph

Historic Air Quality Graph of Nitrogen Dioxide (NO₂)
Mammoth Lakes

24 Hours

NO₂

Mammoth Lakes

NO₂ (ppb)

15-08-2026Time16-08-2026

Time	Mammoth Lakes
7:01pm	6
7:31pm	6
8:01pm	5
8:31pm	5
9:01pm	4
9:31pm	4
10:01pm	4
10:31pm	4
11:01pm	4
11:31pm	4
12:01am	4
12:31am	4
1:01am	4
1:31am	4
2:01am	4
2:31am	4
3:01am	4
3:31am	4
4:01am	4
4:31am	4
5:01am	14
5:31am	13
6:01am	5
6:31am	5
7:01am	6
7:31am	6
8:01am	104
8:31am	102
9:01am	6
9:31am	6
10:01am	65
10:31am	64
11:01am	6
11:31am	6
12:01pm	103
12:31pm	99
1:01pm	90
1:31pm	90
2:01pm	86
2:31pm	90
3:01pm	76
3:31pm	80
4:01pm	78
4:31pm	82
5:01pm	79
5:31pm	75
6:01pm	70
6:31pm	68

Min. NO₂9:01pm

104

Max. NO₂8:01am

Want air quality data?

Do you know NO2 can create impaired atmospheric visibility can increase atmospheric heat? It happens as its concentrations absorb the visible radiation in the atmosphere.

Uncovering the Sources of Nitrogen Dioxide (NO₂): Where Does It Come From?

Explosives and welding

Release during high-temperature processes.

Lighting

Emissions from certain types of lighting.

Power-generating plants

Emissions from fossil fuels burning for electricity.

Road traffic

Overall contributions from vehicles on the road.

Motor vehicles

Exhaust gases from cars and trucks.

Short-Term NO₂ Exposure Impacts

Coughing

Regular cough due to airways irritations.

Wheezing

More whistling sound while breathing,

Difficulty in breathing

Shortness of breath and reduced lung function.

Reduce smelling ability

Decreased sense of smell due to irritation.

Why you should care about Nitrogen Dioxide (NO₂)?

Know More About NO₂ Sensor

Air Quality FAQs
at Mammoth Lakes

Frequently Asked Questions About Air Quality

1. What is the current NO₂ level in Mammoth Lakes?

The current real-time NO₂ level in Mammoth Lakes is 69ppb (Moderate). This was last updated 2026-08-16 18:51:01 (Local Time).

2. When was the best NO₂ level in Mammoth Lakes in the last 24 hours?

The best NO₂ level was 4 ppb (Good) at 9:01 PM, Aug 15, 2026 (Local Time) during the last 24 hours.

3. When was the worst NO₂ level in Mammoth Lakes in the last 24 hours?

The worst NO₂ level was 104 ppb (Poor) at 8:01 AM, Aug 16, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of NO₂ levels in Mammoth Lakes during last 24 hours?

The NO₂ levels in Mammoth Lakes have been fluctuating throughout the last 24 hours. The levels have increased by highest 104 ppb at 8:01 AM, Aug 16, 2026 (Local Time), lowest 4 ppb at 9:01 PM, Aug 15, 2026 (Local Time).

5. What actions are recommended as per the current NO₂ level in Mammoth Lakes?

Current NO₂ levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.