ID: 1619

AQSQID: 530770009

Site Name: Yakima-4th Ave

Added: April 21, 2020, 6:24 p.m.

Updated: April 21, 2021, 8:44 p.m.

Location: Yakima (Downtown), WA

Reporting: True, Located: True

Current AQI: 21.0

Yakima (Downtown) WA, US: 46.594952, -120.512283

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
April 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
April 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
April 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 3.0 μg/m3 (13) 19.0
 
April 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
April 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
April 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
April 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 3.0 μg/m3 (13) 19.0
 
April 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 16.0
 
April 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
April 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
April 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
April 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
April 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 8.0 μg/m3 (34) 34.0
 
April 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
April 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 15.0 μg/m3 (58) 58.0
 
April 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 3.0 μg/m3 (13) 28.0
 
April 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.0 μg/m3 (5) 15.0
 
April 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 2.0 μg/m3 (9) 17.0
 
April 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
April 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
April 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 13.0
 
April 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
April 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 2.0 μg/m3 (9) 18.0
 
April 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
April 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
April 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
April 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 2.0 μg/m3 (9) 20.0
 
April 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 1.0 μg/m3 (5) 24.0
 
April 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 16.0
 
April 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
April 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 2.0 μg/m3 (9) 17.0
 
April 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
April 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
April 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
April 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
April 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
April 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
April 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
April 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
April 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
April 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
April 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
April 20, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 9.0
 
April 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) -1.0 μg/m3 (0) 9.0
 
April 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 14.0
 
April 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
April 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 12.0
 
April 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
April 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 1.0 μg/m3 (5) 44.0
 
April 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
April 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.0 μg/m3 (5) 14.0
 
April 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 1.0 μg/m3 (5) 28.0
 
April 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 4.0 μg/m3 (17) 44.0
 
April 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (56) 4.0 μg/m3 (17) 56.0
 
April 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 84.0 μg/m3 (66) 5.0 μg/m3 (21) 66.0
 
April 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 127.0 μg/m3 (87) 7.0 μg/m3 (30) 87.0
 
April 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 194.0 μg/m3 (121) 13.0 μg/m3 (53) 121.0
 
April 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 342.0 μg/m3 (195) 21.0 μg/m3 (70) 195.0
 
April 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 355.0 μg/m3 (201) 28.0 μg/m3 (85) 201.0
 
April 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
April 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
April 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
April 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
April 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
April 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
April 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
April 19, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
April 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 3.0 μg/m3 (13) 37.0
 
April 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
April 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
April 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 1.0 μg/m3 (5) 13.0
 
April 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
April 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
April 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
April 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
April 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
April 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
April 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
April 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
April 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
April 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
April 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
April 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 13.0 μg/m3 (53) 53.0
 
April 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
April 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 7.0 μg/m3 (30) 30.0
 
April 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 13.0 μg/m3 (53) 53.0
 
April 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 14.0 μg/m3 (55) 55.0
 
April 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 18.0 μg/m3 (64) 64.0
 
April 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 4.0 μg/m3 (17) 29.0
 
April 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
April 18, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
April 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
April 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 15.0
 
April 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.0 μg/m3 (5) 14.0
 
April 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.0 μg/m3 (5) 15.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
April 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
April 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
April 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
April 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
April 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 15.0
 
April 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
April 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
April 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 16.0 μg/m3 (60) 60.0
 
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) 18.0 μg/m3 (64) 64.0
 
April 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 17.0 μg/m3 (62) 62.0
 
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
April 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
April 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
April 17, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
April 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 3.0 μg/m3 (13) 24.0
 
April 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
April 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 3.0 μg/m3 (13) 26.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 2.0 μg/m3 (9) 21.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 2.0 μg/m3 (9) 17.0
 
April 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 14.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 14.0
 
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 0.0 μg/m3 (0) 19.0
 
April 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
April 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 11.0 μg/m3 (46) 46.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 14.0
 
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 12.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 2.0 μg/m3 (9) 16.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 2.0 μg/m3 (9) 22.0
 
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 1.0 μg/m3 (5) 17.0
 
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) -1.0 μg/m3 (0) 20.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 0.0 μg/m3 (0) 24.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) -2.0 μg/m3 (0) 23.0
 
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) -4.0 μg/m3 (0) 13.0
 
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) 0.0
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 9.0
 
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 3.0 μg/m3 (13) 22.0
 
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
April 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
April 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
April 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
April 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 6.0 μg/m3 (25) 45.0
 
April 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 1.0 μg/m3 (5) 39.0
 
April 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 2.0 μg/m3 (9) 28.0
 
April 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 3.0 μg/m3 (13) 32.0
 
April 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 1.0 μg/m3 (5) 33.0
 
April 15, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 0.0 μg/m3 (0) 32.0
 
April 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 1.0 μg/m3 (5) 25.0
 
April 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
April 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
April 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0