ID: 694

AQSQID: 410390060

Site Name: Eugene - Amazon Park

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

Updated: May 14, 2021, 10:47 p.m.

Location: Eugene (Friendly Area), OR

Reporting: True, Located: True

Current AQI: 43.0

Eugene (Friendly Area) OR, US: 44.0263, -123.08377

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 2.8 μg/m3 (12) 43.0
 
May 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.8 μg/m3 (12) 39.0
 
May 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.6 μg/m3 (11) 38.0
 
May 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.5 μg/m3 (15) 31.0
 
May 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.1 μg/m3 (13) 23.0
 
May 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 2.6 μg/m3 (11) 18.0
 
May 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 2.5 μg/m3 (11) 17.0
 
May 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 2.6 μg/m3 (11) 18.0
 
May 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 3.0 μg/m3 (13) 13.0
 
May 14, 2021, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 2.9 μg/m3 (13) 13.0
 
May 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 2.8 μg/m3 (12) 16.0
 
May 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 2.6 μg/m3 (11) 20.0
 
May 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.6 μg/m3 (11) 22.0
 
May 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.9 μg/m3 (13) 22.0
 
May 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
May 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.4 μg/m3 (15) 25.0
 
May 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.4 μg/m3 (19) 24.0
 
May 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.2 μg/m3 (14) 24.0
 
May 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.6 μg/m3 (11) 31.0
 
May 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 2.7 μg/m3 (12) 48.0
 
May 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 2.3 μg/m3 (10) 50.0
 
May 14, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 1.8 μg/m3 (8) 44.0
 
May 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.1 μg/m3 (9) 40.0
 
May 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.2 μg/m3 (10) 39.0
 
May 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.7 μg/m3 (12) 38.0
 
May 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.3 μg/m3 (14) 39.0
 
May 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.9 μg/m3 (13) 37.0
 
May 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
May 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.1 μg/m3 (13) 26.0
 
May 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.2 μg/m3 (14) 22.0
 
May 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.2 μg/m3 (18) 18.0
 
May 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 4.5 μg/m3 (19) 19.0
 
May 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 2.9 μg/m3 (13) 13.0
 
May 13, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 2.9 μg/m3 (13) 13.0
 
May 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 3.0 μg/m3 (13) 13.0
 
May 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 3.1 μg/m3 (13) 13.0
 
May 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 3.2 μg/m3 (14) 14.0
 
May 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 2.8 μg/m3 (12) 14.0
 
May 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.2 μg/m3 (10) 25.0
 
May 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.7 μg/m3 (12) 25.0
 
May 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 3.9 μg/m3 (17) 19.0
 
May 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.7 μg/m3 (12) 28.0
 
May 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.2 μg/m3 (14) 38.0
 
May 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 3.6 μg/m3 (16) 55.0
 
May 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 3.1 μg/m3 (13) 51.0
 
May 13, 2021, midnight N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 2.9 μg/m3 (13) 51.0
 
May 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 2.8 μg/m3 (12) 55.0
 
May 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 2.5 μg/m3 (11) 51.0
 
May 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 2.8 μg/m3 (12) 51.0
 
May 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 3.2 μg/m3 (14) 47.0
 
May 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.3 μg/m3 (14) 42.0
 
May 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.5 μg/m3 (15) 38.0
 
May 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.3 μg/m3 (18) 33.0
 
May 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.5 μg/m3 (23) 25.0
 
May 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.9 μg/m3 (17) 22.0
 
May 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 4.1 μg/m3 (18) 18.0
 
May 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 3.8 μg/m3 (16) 16.0
 
May 12, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 3.7 μg/m3 (16) 16.0
 
May 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 3.7 μg/m3 (16) 16.0
 
May 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 3.6 μg/m3 (16) 16.0
 
May 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 3.7 μg/m3 (16) 16.0
 
May 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 3.9 μg/m3 (17) 17.0
 
May 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.2 μg/m3 (18) 18.0
 
May 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 4.7 μg/m3 (20) 20.0
 
May 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.9 μg/m3 (21) 21.0
 
May 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.7 μg/m3 (20) 29.0
 
May 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 3.3 μg/m3 (14) 47.0
 
May 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 3.1 μg/m3 (13) 61.0
 
May 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 2.9 μg/m3 (13) 71.0
 
May 12, 2021, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 2.7 μg/m3 (12) 65.0
 
May 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 2.5 μg/m3 (11) 55.0
 
May 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 2.4 μg/m3 (10) 50.0
 
May 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 2.4 μg/m3 (10) 46.0
 
May 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.7 μg/m3 (12) 40.0
 
May 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.6 μg/m3 (11) 35.0
 
May 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.9 μg/m3 (13) 31.0
 
May 11, 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
 
May 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.1 μg/m3 (18) 23.0
 
May 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.9 μg/m3 (21) 21.0
 
May 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 4.6 μg/m3 (20) 20.0
 
May 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 4.1 μg/m3 (18) 18.0
 
May 11, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 3.6 μg/m3 (16) 16.0
 
May 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 3.4 μg/m3 (15) 15.0
 
May 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 3.4 μg/m3 (15) 15.0
 
May 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 3.4 μg/m3 (15) 15.0
 
May 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 3.6 μg/m3 (16) 16.0
 
May 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.3 μg/m3 (14) 20.0
 
May 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
May 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.5 μg/m3 (19) 22.0
 
May 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.4 μg/m3 (19) 26.0
 
May 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
May 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.7 μg/m3 (12) 42.0
 
May 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.5 μg/m3 (11) 41.0
 
May 11, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.3 μg/m3 (10) 40.0
 
May 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
May 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
May 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.9 μg/m3 (17) 37.0
 
May 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.2 μg/m3 (14) 34.0
 
May 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.1 μg/m3 (18) 29.0
 
May 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
May 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
May 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.6 μg/m3 (16) 20.0
 
May 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 3.3 μg/m3 (14) 19.0
 
May 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 2.8 μg/m3 (12) 14.0
 
May 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 2.4 μg/m3 (10) 10.0
 
May 10, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 2.2 μg/m3 (10) 10.0
 
May 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 2.5 μg/m3 (11) 11.0
 
May 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 2.2 μg/m3 (10) 10.0
 
May 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 2.5 μg/m3 (11) 11.0
 
May 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 2.1 μg/m3 (9) 15.0
 
May 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 1.8 μg/m3 (8) 19.0
 
May 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 1.8 μg/m3 (8) 22.0
 
May 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
May 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.8 μg/m3 (8) 25.0
 
May 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.6 μg/m3 (7) 28.0
 
May 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.9 μg/m3 (8) 33.0
 
May 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
May 10, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.8 μg/m3 (8) 37.0
 
May 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.7 μg/m3 (8) 37.0
 
May 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
May 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
May 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.9 μg/m3 (8) 37.0
 
May 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.8 μg/m3 (8) 33.0
 
May 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.9 μg/m3 (8) 31.0
 
May 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.3 μg/m3 (10) 29.0
 
May 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.1 μg/m3 (13) 24.0
 
May 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
May 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 2.7 μg/m3 (12) 15.0
 
May 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 2.5 μg/m3 (11) 11.0
 
May 9, 2021, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 2.3 μg/m3 (10) 10.0
 
May 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 2.5 μg/m3 (11) 11.0
 
May 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 2.5 μg/m3 (11) 11.0
 
May 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 2.9 μg/m3 (13) 13.0
 
May 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 3.3 μg/m3 (14) 14.0
 
May 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 1.8 μg/m3 (8) 23.0
 
May 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.9 μg/m3 (8) 26.0
 
May 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 4.8 μg/m3 (20) 20.0
 
May 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.6 μg/m3 (11) 26.0
 
May 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.9 μg/m3 (8) 31.0
 
May 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.1 μg/m3 (9) 33.0
 
May 9, 2021, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
May 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.2 μg/m3 (10) 33.0
 
May 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.4 μg/m3 (10) 35.0
 
May 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.9 μg/m3 (13) 35.0
 
May 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.3 μg/m3 (14) 37.0
 
May 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
May 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
May 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.9 μg/m3 (8) 24.0
 
May 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 2.0 μg/m3 (9) 17.0
 
May 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 2.2 μg/m3 (10) 12.0
 
May 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 2.8 μg/m3 (12) 12.0
 
May 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 2.8 μg/m3 (12) 12.0
 
May 8, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 3.0 μg/m3 (13) 13.0
 
May 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 3.3 μg/m3 (14) 14.0
 
May 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 3.0 μg/m3 (13) 13.0
 
May 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 3.6 μg/m3 (16) 16.0
 
May 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 4.1 μg/m3 (18) 18.0
 
May 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 6.3 μg/m3 (27) 27.0
 
May 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 4.3 μg/m3 (18) 18.0
 
May 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
May 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.1 μg/m3 (9) 26.0
 
May 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.6 μg/m3 (7) 29.0
 
May 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.3 μg/m3 (6) 32.0
 
May 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
May 8, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.4 μg/m3 (6) 34.0
 
May 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.3 μg/m3 (6) 35.0
 
May 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.4 μg/m3 (6) 34.0