ID: 7714

AQSQID: 840530739992

Site Name: Maple Falls-Azure Way

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

Updated: March 7, 2021, 5:32 a.m.

Location: Maple Falls (Azure Way), WA

Reporting: True, Located: True

Current AQI: 82.0

Maple Falls (Azure Way) WA, US: 48.9477, -122.1471

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.4 μg/m3 (82) 82.0
 
March 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (44) 44.0
 
March 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (37) 37.0
 
March 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
March 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (11) 11.0
 
March 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (4) 4.0
 
March 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (8) 8.0
 
March 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
March 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
March 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (3) 3.0
 
March 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
March 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
March 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
March 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
March 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
March 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (23) 23.0
 
March 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.6 μg/m3 (49) 49.0
 
March 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.8 μg/m3 (99) 99.0
 
March 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (73) 73.0
 
March 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.7 μg/m3 (65) 65.0
 
March 6, 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
 
March 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (51) 51.0
 
March 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (55) 55.0
 
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (28) 28.0
 
March 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
March 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
March 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
March 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (8) 8.0
 
March 6, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
March 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.6 μg/m3 (3) 3.0
 
March 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (7) 7.0
 
March 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.6 μg/m3 (3) 3.0
 
March 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
March 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (12) 12.0
 
March 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
March 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (48) 48.0
 
March 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
March 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
March 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
March 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (54) 54.0
 
March 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (56) 56.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (59) 59.0
 
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.5 μg/m3 (104) 104.0
 
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.5 μg/m3 (99) 99.0
 
March 5, 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
 
March 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (61) 61.0
 
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
March 5, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (27) 27.0
 
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (16) 16.0
 
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (58) 58.0
 
March 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.6 μg/m3 (84) 84.0
 
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.1 μg/m3 (125) 125.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.1 μg/m3 (120) 120.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 48.2 μg/m3 (133) 133.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 54.2 μg/m3 (148) 148.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 63.9 μg/m3 (156) 156.0
 
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 77.5 μg/m3 (163) 163.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 89.6 μg/m3 (169) 169.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 94.5 μg/m3 (172) 172.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 94.0 μg/m3 (171) 171.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 101.0 μg/m3 (175) 175.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 85.2 μg/m3 (167) 167.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 88.7 μg/m3 (169) 169.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.3 μg/m3 (152) 152.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.8 μg/m3 (82) 82.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.1 μg/m3 (105) 105.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (63) 63.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (14) 14.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (31) 31.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (36) 36.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (40) 40.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (7) 7.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (4) 4.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.6 μg/m3 (3) 3.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.6 μg/m3 (3) 3.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (4) 4.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (6) 6.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (13) 13.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (7) 7.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (12) 12.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (8) 8.0
 
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
March 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
March 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (10) 10.0
 
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (17) 17.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (36) 36.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (11) 11.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (14) 14.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (6) 6.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (3) 3.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (3) 3.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (3) 3.0
 
Feb. 28, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (3) 3.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (5) 5.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (12) 12.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0