ID: 1399

AQSQID: 191770006

Site Name: Lake Sugema

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

Updated: April 10, 2021, 6:43 p.m.

Location: Keosauqua (Jasmine Rd), IA

Reporting: True, Located: True

Current AQI: 19.0

Keosauqua (Jasmine Rd) IA, US: 40.693298, -92.006104

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 5 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A -1.0 μg/m3 (0) 19.0
 
April 10, 2021, 4 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.0 μg/m3 (5) 20.0
 
April 10, 2021, 3 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
April 10, 2021, 2 p.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.0 μg/m3 (9) 24.0
 
April 10, 2021, 1 p.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.0 μg/m3 (5) 23.0
 
April 10, 2021, noon 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
April 10, 2021, 11 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 1.0 μg/m3 (5) 27.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
April 10, 2021, 8 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
April 10, 2021, 7 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
April 10, 2021, 6 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
April 10, 2021, 5 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
April 10, 2021, 4 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 10, 2021, 3 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
April 10, 2021, 2 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
April 10, 2021, 1 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
April 10, 2021, midnight 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 0.0 μg/m3 (0) 27.0
 
April 9, 2021, 11 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
April 9, 2021, 10 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
April 9, 2021, 9 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
April 9, 2021, 8 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
April 9, 2021, 7 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
April 9, 2021, 6 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
April 9, 2021, 5 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
April 9, 2021, 4 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
April 9, 2021, 3 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 2 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
April 9, 2021, 1 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
April 9, 2021, noon 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 11 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 8 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 9, 2021, 7 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 9, 2021, 6 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
April 9, 2021, 5 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 3.0 μg/m3 (13) 18.0
 
April 9, 2021, 4 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 3 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 2 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.0 μg/m3 (13) 19.0
 
April 9, 2021, 1 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.0 μg/m3 (13) 19.0
 
April 9, 2021, midnight 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 3.0 μg/m3 (13) 20.0
 
April 8, 2021, 11 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.0 μg/m3 (5) 21.0
 
April 8, 2021, 10 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.0 μg/m3 (9) 24.0
 
April 8, 2021, 9 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
April 8, 2021, 8 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A -1.0 μg/m3 (0) 25.0
 
April 8, 2021, 7 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
April 8, 2021, 6 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
April 8, 2021, 5 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
April 8, 2021, 4 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
April 8, 2021, 3 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 8, 2021, 2 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
April 8, 2021, 1 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
April 8, 2021, noon 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.0 μg/m3 (5) 22.0
 
April 8, 2021, 11 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
April 8, 2021, 8 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 8, 2021, 7 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
April 8, 2021, 6 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 8, 2021, 5 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
April 8, 2021, 4 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
April 8, 2021, 3 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 1.0 μg/m3 (5) 34.0
 
April 8, 2021, 2 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
April 8, 2021, 1 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
April 8, 2021, midnight 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
April 7, 2021, 11 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 7, 2021, 10 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 9 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
April 7, 2021, 8 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
April 7, 2021, 7 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
April 7, 2021, 6 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
April 7, 2021, 5 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 7, 2021, 4 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
April 7, 2021, 3 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 7, 2021, 2 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
April 7, 2021, 1 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2021, noon 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 7, 2021, 11 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 8 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A N/A 16.0 μg/m3 (60) 60.0
 
April 7, 2021, 7 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 7, 2021, 6 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
April 7, 2021, 5 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 4 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 3 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 2 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 7, 2021, 1 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 9.0 μg/m3 (38) 39.0
 
April 7, 2021, midnight 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 6, 2021, 11 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 6, 2021, 10 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 6, 2021, 9 p.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 14.0 μg/m3 (55) 55.0
 
April 6, 2021, 8 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 15.0 μg/m3 (58) 58.0
 
April 6, 2021, 7 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 15.0 μg/m3 (58) 58.0
 
April 6, 2021, 6 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 6, 2021, 5 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 13.0 μg/m3 (53) 53.0
 
April 6, 2021, 4 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A N/A 39.0
 
April 6, 2021, 3 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 18.0 μg/m3 (64) 64.0
 
April 6, 2021, 2 p.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 16.0 μg/m3 (60) 60.0
 
April 6, 2021, 1 p.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 13.0 μg/m3 (53) 53.0
 
April 6, 2021, noon 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 6, 2021, 11 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 6, 2021, 8 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 6, 2021, 7 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 6, 2021, 6 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
April 6, 2021, 5 a.m. 2.5 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 6, 2021, 4 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 6, 2021, 3 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
April 6, 2021, 2 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 6, 2021, 1 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
April 6, 2021, midnight 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
April 5, 2021, 11 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
April 5, 2021, 10 p.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 7.0 μg/m3 (30) 42.0
 
April 5, 2021, 9 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
April 5, 2021, 8 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 8.0 μg/m3 (34) 44.0
 
April 5, 2021, 7 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2021, 6 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 5, 2021, 5 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
April 5, 2021, 4 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 8.0 μg/m3 (34) 36.0
 
April 5, 2021, 3 p.m. 1.7 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2021, 2 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 13.0 μg/m3 (53) 53.0
 
April 5, 2021, 1 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2021, noon 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 5, 2021, 11 a.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 5, 2021, 8 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 5, 2021, 7 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2021, 6 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
April 5, 2021, 5 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 9.0 μg/m3 (38) 43.0
 
April 5, 2021, 4 a.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 10.0 μg/m3 (42) 43.0
 
April 5, 2021, 3 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2021, 2 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2021, 1 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2021, midnight 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 13.0 μg/m3 (53) 53.0
 
April 4, 2021, 11 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A 13.0 μg/m3 (53) 53.0
 
April 4, 2021, 10 p.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 9.0 μg/m3 (38) 50.0
 
April 4, 2021, 9 p.m. 1.6 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 58.0 ppb (61) N/A N/A 12.0 μg/m3 (50) 61.0
 
April 4, 2021, 8 p.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 58.0 ppb (61) N/A N/A 12.0 μg/m3 (50) 61.0
 
April 4, 2021, 7 p.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 60.0 ppb (68) N/A N/A 14.0 μg/m3 (55) 68.0
 
April 4, 2021, 6 p.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 62.0 ppb (74) N/A N/A 16.0 μg/m3 (60) 74.0
 
April 4, 2021, 5 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A 20.0 μg/m3 (68) 68.0
 
April 4, 2021, 4 p.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 27.0 μg/m3 (83) 83.0
 
April 4, 2021, 3 p.m. 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 24.0 μg/m3 (77) 77.0
 
April 4, 2021, 2 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 24.0 μg/m3 (77) 77.0
 
April 4, 2021, 1 p.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 19.0 μg/m3 (66) 66.0
 
April 4, 2021, noon 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 21.0 μg/m3 (70) 70.0
 
April 4, 2021, 11 a.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 22.0 μg/m3 (72) 72.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 20.0 μg/m3 (68) 68.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 25.0 μg/m3 (79) 79.0
 
April 4, 2021, 8 a.m. 2.5 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 20.0 μg/m3 (68) 68.0
 
April 4, 2021, 7 a.m. 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 16.0 μg/m3 (60) 60.0
 
April 4, 2021, 6 a.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
April 4, 2021, 5 a.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 25.0 μg/m3 (79) 79.0
 
April 4, 2021, 4 a.m. 3.3 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 24.0 μg/m3 (77) 77.0
 
April 4, 2021, 3 a.m. 3.6 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 27.0 μg/m3 (83) 83.0
 
April 4, 2021, 2 a.m. 4.2 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 32.0 μg/m3 (93) 93.0
 
April 4, 2021, 1 a.m. 3.9 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 34.0 μg/m3 (98) 98.0
 
April 4, 2021, midnight 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 18.0 μg/m3 (64) 64.0
 
April 3, 2021, 11 p.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (65) N/A N/A 17.0 μg/m3 (62) 65.0
 
April 3, 2021, 10 p.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 60.0 ppb (68) N/A N/A 17.0 μg/m3 (62) 68.0
 
April 3, 2021, 9 p.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (65) N/A N/A 19.0 μg/m3 (66) 66.0
 
April 3, 2021, 8 p.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (58) N/A N/A 22.0 μg/m3 (72) 72.0
 
April 3, 2021, 7 p.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 15.0 μg/m3 (58) 58.0
 
April 3, 2021, 6 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 20.0 μg/m3 (68) 68.0