United States

Air Quality in Washington, United States

Right now

No air quality recorded here in the last 24 hours.

27, recorded here, since 15 April 2026

No events recorded in the last 30 days. Most recent: 29 September 2026 (33 days ago).

The 8th strongest of the 27 recorded here since 15 April 2026.

By month

  • April 20261
  • August 20261
  • September 202625

September 2026 is the most active month of the 3 in our series here, with 25 events.

Hazards recorded here

Recent events

Air QualityMedium

Unhealthy Air Quality (AQI 151)

29 September 2026time not reported by the sourceIndex 41 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 190)

26 September 2026time not reported by the sourceIndex 37 · version not recorded
Air QualityCritical

Hazardous Air Quality (AQI 302)

26 September 2026time not reported by the sourceIndex 63 · version not recorded
Air QualityCritical

Hazardous Air Quality (AQI 407)

26 September 2026time not reported by the sourceIndex 58 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 157)

25 September 2026time not reported by the sourceIndex 41 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 152)

25 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 190)

23 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityHigh

Very Unhealthy Air Quality (AQI 259)

21 September 2026time not reported by the sourceIndex 36 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 184)

20 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 161)

17 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 151)

17 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 154)

16 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 161)

16 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 173)

13 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityHigh

Very Unhealthy Air Quality (AQI 228)

12 September 2026time not reported by the sourceIndex 36 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 173)

11 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 168)

10 September 2026time not reported by the sourceIndex 37 · version not recorded
Air QualityCritical

Hazardous Air Quality (AQI 381)

9 September 2026time not reported by the sourceIndex 43 · version not recorded
Air QualityCritical

Hazardous Air Quality (AQI 307)

8 September 2026time not reported by the sourceIndex 43 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 155)

6 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityCritical

Hazardous Air Quality (AQI 500)

4 September 2026time not reported by the sourceIndex 43 · version not recorded
Air QualityCritical

Hazardous Air Quality (AQI 500)

3 September 2026time not reported by the sourceIndex 43 · version not recorded
Air QualityCritical

Hazardous Air Quality (AQI 500)

2 September 2026time not reported by the sourceIndex 43 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 154)

2 September 2026time not reported by the sourceIndex 29 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 163)

1 September 2026time not reported by the sourceIndex 14 · version not recorded
Air QualityMedium

Unhealthy Air Quality (AQI 151)

31 August 2026time not reported by the sourceIndex 19 · version not recorded
Air QualityCritical

Hazardous Air Quality (AQI 824)

15 April 2026time not reported by the sourceIndex 26 · version not recorded

Towns with the most events here

Other areas

Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.

Administrative boundaries: geoBoundaries (geoboundaries.org), Public Domain. geoboundaries.org