ID: 9757

AQSQID: 682RIY010001

Site Name: Riyadh

Added: Aug. 26, 2021, 5:40 a.m.

Updated: Jan. 17, 2022, 3:33 a.m.

Location: Al Riyadh (Embassy of the United States سفارة الولايات المتحدة الامريكية), N/A

Reporting: False, Located: True

Current AQI: None

Al Riyadh (Embassy of the United States سفارة الولايات المتحدة الامريكية) N/A, SA: 24.68122, 46.62074

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 30, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (79) 79.0
 
Dec. 30, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (108) 108.0
 
Dec. 30, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
Dec. 30, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
Dec. 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Dec. 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Dec. 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Dec. 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Dec. 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
Dec. 30, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Dec. 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
Dec. 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (110) 110.0
 
Dec. 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
Dec. 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
Dec. 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (98) 98.0
 
Dec. 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (100) 100.0
 
Dec. 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (100) 100.0
 
Dec. 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
Dec. 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (103) 103.0
 
Dec. 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Dec. 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Dec. 29, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Dec. 29, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (89) 89.0
 
Dec. 29, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Dec. 29, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Dec. 29, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Dec. 29, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (89) 89.0
 
Dec. 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Dec. 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Dec. 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (89) 89.0
 
Dec. 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Dec. 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Dec. 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
Dec. 29, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Dec. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Dec. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Dec. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Dec. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
Dec. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (79) 79.0
 
Dec. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Dec. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
Dec. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (89) 89.0
 
Dec. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
Dec. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
Dec. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Dec. 28, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
Dec. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
Dec. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
Dec. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
Dec. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Dec. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
Dec. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
Dec. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Dec. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
Dec. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (115) 115.0
 
Dec. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Dec. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
Dec. 28, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Dec. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Dec. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Dec. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Dec. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Dec. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Dec. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Dec. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
Dec. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Dec. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Dec. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
Dec. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
Dec. 27, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Dec. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Dec. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Dec. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Dec. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Dec. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
Dec. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Dec. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Dec. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Dec. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
Dec. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
Dec. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (79) 79.0
 
Dec. 27, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Dec. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
Dec. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Dec. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Dec. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Dec. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Dec. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Dec. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Dec. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Dec. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Dec. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Dec. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Dec. 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Dec. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Dec. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Dec. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
Dec. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Dec. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Dec. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
Dec. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
Dec. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Dec. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
Dec. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
Dec. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (140) 140.0
 
Dec. 26, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (100) 100.0
 
Dec. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
Dec. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Dec. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (79) 79.0
 
Dec. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Dec. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (100) 100.0
 
Dec. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Dec. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Dec. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Dec. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (153) 153.0
 
Dec. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 132.0 μg/m3 (191) 191.0
 
Dec. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (110) 110.0
 
Dec. 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (140) 140.0
 
Dec. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 125.0 μg/m3 (187) 187.0
 
Dec. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (140) 140.0
 
Dec. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (154) 154.0
 
Dec. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (89) 89.0
 
Dec. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Dec. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
Dec. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (110) 110.0
 
Dec. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (127) 127.0
 
Dec. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (157) 157.0
 
Dec. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 85.0 μg/m3 (167) 167.0
 
Dec. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 185.0 μg/m3 (236) 236.0
 
Dec. 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (120) 120.0
 
Dec. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (140) 140.0
 
Dec. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (122) 122.0
 
Dec. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (127) 127.0
 
Dec. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (142) 142.0
 
Dec. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (152) 152.0
 
Dec. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 180.0 μg/m3 (231) 231.0
 
Dec. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 466.0 μg/m3 (478) 478.0
 
Dec. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (161) 161.0
 
Dec. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (152) 152.0
 
Dec. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (150) 150.0
 
Dec. 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (153) 153.0
 
Dec. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (158) 158.0
 
Dec. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (130) 130.0
 
Dec. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
Dec. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
Dec. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Dec. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Dec. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (89) 89.0
 
Dec. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Dec. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (79) 79.0
 
Dec. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (89) 89.0
 
Dec. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Dec. 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
Dec. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
Dec. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Dec. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Dec. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 105.0
 
Dec. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (137) 137.0
 
Dec. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (142) 142.0
 
Dec. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 134.0 μg/m3 (192) 192.0
 
Dec. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 192.0 μg/m3 (243) 243.0
 
Dec. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (161) 161.0
 
Dec. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (110) 110.0
 
Dec. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 210.0 μg/m3 (260) 260.0
 
Dec. 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
Dec. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
Dec. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (135) 135.0
 
Dec. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 102.0 μg/m3 (176) 176.0