PM_2.5 (μg|m³)

PM₁₀ (μg|m³)

CO

SO₂

NO₂

NO_x

AQI

AQI Category

C_low - C_high (24 hr)

C_low - C_high (24 hr)

C_low - C_high (24 hr)

C_low - C_high (24 hr)

C_low - C_high (24 hr)

C_low - C_high (24 hr)

I_low - I_high

0.0 - 12.0

0 - 54

0.0 - 4.4

0 - 35

0 - 53

0 - 40

0 - 50

Good

12.1 - 35.4

55 - 154

4.5 - 9.4

36 - 75

54 - 100

81 - 180

51 - 100

Moderate

35.5 - 55.4

155 - 254

9.5 - 12.4

76 - 185

101 - 360

41 - 80

101 - 150

Unhealthy for Sensitive Groups

55.5 - 150.4

255 - 354

12.5 - 15.4

186 - 304

361 - 649

181 - 280

151 - 200

Unhealthy

150.5 - 250.4

355 - 424

15.5 - 30.4

305 - 604

650 - 1249

281 - 400

201 - 300

Very Unhealthy

250.5 - 350.4

425 - 504

30.5 - 40.4

605 - 804

1250 - 1649

400

300

Hazardous