AQSQID: 530670013

Site Name: Lacey-College St

Location: Lacey (Lexington), WA

Reporting: True, Located: True

Current AQI: 8.0

Lacey (Lexington) WA, US: 47.029301, -122.821503

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
March 30, 2020, 1 p.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
 
March 30, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
March 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (3) 3.0
 
March 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (3) 3.0
 
March 30, 2020, 9 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
 
March 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
March 30, 2020, 7 a.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 30, 2020, 6 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
 
March 30, 2020, 5 a.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 30, 2020, 4 a.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 30, 2020, 3 a.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 30, 2020, 2 a.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 30, 2020, 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 (7) 7.0
 
March 30, 2020, midnight 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
 
March 29, 2020, 11 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 29, 2020, 10 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 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
March 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
March 29, 2020, 7 p.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
 
March 29, 2020, 6 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 29, 2020, 5 p.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
 
March 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
March 29, 2020, 3 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 29, 2020, 2 p.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
 
March 29, 2020, 1 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 29, 2020, noon 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
 
March 29, 2020, 11 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
 
March 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
March 29, 2020, 9 a.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 29, 2020, 8 a.m. 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 29, 2020, 7 a.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 29, 2020, 6 a.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 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
March 29, 2020, 4 a.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 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
March 29, 2020, 2 a.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 29, 2020, 1 a.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 29, 2020, midnight 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 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
March 28, 2020, 10 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 28, 2020, 9 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 28, 2020, 8 p.m. 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 28, 2020, 7 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 28, 2020, 6 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 28, 2020, 5 p.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
 
March 28, 2020, 4 p.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
 
March 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
March 28, 2020, 2 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 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
March 28, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
March 28, 2020, 10 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 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
March 28, 2020, 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 (12) 12.0
 
March 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
March 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
March 28, 2020, 5 a.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 28, 2020, 4 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 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
March 28, 2020, 2 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 28, 2020, 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 (8) 8.0
 
March 28, 2020, midnight 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 27, 2020, 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 27, 2020, 10 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 27, 2020, 9 p.m. 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 27, 2020, 8 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 27, 2020, 6 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 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
March 27, 2020, 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 (19) 19.0
 
March 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
March 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
March 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
March 27, 2020, 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 27, 2020, 11 a.m. 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 27, 2020, 10 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 27, 2020, 9 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 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (24) 24.0
 
March 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
March 27, 2020, 6 a.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 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (24) 24.0
 
March 27, 2020, 4 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 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
March 27, 2020, 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 (19) 19.0
 
March 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
March 27, 2020, midnight 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 26, 2020, 11 p.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 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
March 26, 2020, 9 p.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 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (17) 17.0
 
March 26, 2020, 7 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 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
March 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
March 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
March 26, 2020, 3 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
 
March 26, 2020, 2 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
 
March 26, 2020, 1 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
 
March 26, 2020, noon 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 26, 2020, 11 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 26, 2020, 10 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 26, 2020, 9 a.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 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
March 26, 2020, 7 a.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 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
March 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
March 26, 2020, 4 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 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
March 26, 2020, 2 a.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 26, 2020, 1 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
 
March 25, 2020, 9 p.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
 
March 25, 2020, 8 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 25, 2020, 7 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 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
March 25, 2020, 5 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 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
March 25, 2020, 3 p.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
 
March 25, 2020, 2 p.m. 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 25, 2020, 1 p.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
 
March 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
March 25, 2020, 11 a.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 25, 2020, 10 a.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 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
March 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
March 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
March 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
March 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
March 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
March 25, 2020, 3 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 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
March 25, 2020, 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 (7) 7.0
 
March 25, 2020, midnight 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 24, 2020, 11 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 24, 2020, 10 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 24, 2020, 9 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 24, 2020, 8 p.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
 
March 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
March 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
March 24, 2020, 5 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 24, 2020, 4 p.m. 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 24, 2020, 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 24, 2020, 2 p.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 24, 2020, 1 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 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
March 24, 2020, 11 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
 
March 24, 2020, 10 a.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 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
March 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
March 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
March 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
March 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
March 24, 2020, 4 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
 
March 24, 2020, 3 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
 
March 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
March 24, 2020, 1 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
 
March 24, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
March 23, 2020, 11 p.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
 
March 23, 2020, 10 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 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
March 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
March 23, 2020, 7 p.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
 
March 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
March 23, 2020, 5 p.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
 
March 23, 2020, 4 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 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
March 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
March 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
March 23, 2020, noon 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 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0