ID: 7723

AQSQID: 113490352005

Site Name: Copper View

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

Updated: April 10, 2021, 11:43 a.m.

Location: Midvale (Celeste), UT

Reporting: True, Located: True

Current AQI: 34.0

Midvale (Celeste) UT, US: 40.598056, -111.894167

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 10 a.m. 35.8 ppb (34) 4.4 ppb (5) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 6.0 ppb (6) 0.0 ppb (0) N/A 6.6 μg/m3 (28) 34.0
 
April 10, 2021, 9 a.m. 33.2 ppb (32) 2.9 ppb (3) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 7.0 ppb (7) 0.0 ppb (0) N/A 6.5 μg/m3 (28) 32.0
 
April 10, 2021, 8 a.m. 31.3 ppb (30) 2.7 ppb (3) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 9.0 ppb (9) 0.0 ppb (0) N/A 6.6 μg/m3 (28) 30.0
 
April 10, 2021, 7 a.m. 26.4 ppb (25) 1.3 ppb (2) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 29.0
 
April 10, 2021, 6 a.m. 21.6 ppb (21) 1.1 ppb (2) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) N/A 8.8 μg/m3 (37) 37.0
 
April 10, 2021, 5 a.m. 20.3 ppb (20) 0.8 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 25.0
 
April 10, 2021, 4 a.m. 29.7 ppb (29) 3.3 ppb (4) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 21.0 ppb (20) 0.1 ppb (2) N/A 9.2 μg/m3 (39) 39.0
 
April 10, 2021, 3 a.m. 20.8 ppb (20) 0.7 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 9.6 μg/m3 (40) 40.0
 
April 10, 2021, 2 a.m. 8.6 ppb (9) 0.4 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 46.0 ppb (43) 0.0 ppb (0) N/A 2.9 μg/m3 (13) 43.0
 
April 10, 2021, 1 a.m. 5.4 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 53.0 ppb (50) 0.0 ppb (0) N/A 2.3 μg/m3 (10) 50.0
 
April 10, 2021, midnight 5.6 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 53.0 ppb (50) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 50.0
 
April 9, 2021, 11 p.m. 7.3 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 53.0 ppb (50) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 50.0
 
April 9, 2021, 10 p.m. 7.1 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 3.8 μg/m3 (16) 50.0
 
April 9, 2021, 9 p.m. 6.2 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 55.0 ppb (51) N/A N/A 3.6 μg/m3 (16) 51.0
 
April 9, 2021, 8 p.m. 4.9 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 55.0 ppb (51) N/A N/A 3.4 μg/m3 (15) 51.0
 
April 9, 2021, 7 p.m. 4.6 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 3.1 μg/m3 (13) 50.0
 
April 9, 2021, 6 p.m. 4.7 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 3.1 μg/m3 (13) 48.0
 
April 9, 2021, 5 p.m. 6.1 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 3.2 μg/m3 (14) 44.0
 
April 9, 2021, 4 p.m. 9.7 ppb (10) 3.3 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 3.5 μg/m3 (15) 39.0
 
April 9, 2021, 3 p.m. 20.0 ppb (19) 7.0 ppb (7) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 34.0 ppb (32) 0.0 ppb (0) N/A 4.1 μg/m3 (18) 32.0
 
April 9, 2021, 2 p.m. 20.5 ppb (20) 5.3 ppb (5) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 30.0
 
April 9, 2021, 1 p.m. 20.9 ppb (20) 2.1 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 27.0
 
April 9, 2021, noon 15.9 ppb (15) 0.7 ppb (1) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 31.0
 
April 9, 2021, 11 a.m. 9.7 ppb (10) 0.5 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (9) 10.0
 
April 9, 2021, 10 a.m. 10.4 ppb (10) 0.4 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.2 μg/m3 (10) 34.0
 
April 9, 2021, 9 a.m. 8.4 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 39.0 ppb (37) 0.0 ppb (0) N/A 2.2 μg/m3 (10) 37.0
 
April 9, 2021, 8 a.m. 8.3 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.8 μg/m3 (12) 34.0
 
April 9, 2021, 7 a.m. 4.5 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 3.4 μg/m3 (15) 39.0
 
April 9, 2021, 6 a.m. 5.3 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.1 μg/m3 (18) 39.0
 
April 9, 2021, 5 a.m. 6.7 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
April 9, 2021, 4 a.m. 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 6.7 μg/m3 (28) 38.0
 
April 9, 2021, 3 a.m. 4.1 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 8.9 μg/m3 (38) 38.0
 
April 9, 2021, 2 a.m. 4.8 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 11.4 μg/m3 (48) 48.0
 
April 9, 2021, 1 a.m. 5.2 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 5.6 μg/m3 (24) 41.0
 
April 9, 2021, midnight 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 4.8 μg/m3 (20) 44.0
 
April 8, 2021, 11 p.m. 3.4 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 5.1 μg/m3 (22) 43.0
 
April 8, 2021, 10 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 5.5 μg/m3 (23) 43.0
 
April 8, 2021, 9 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 5.9 μg/m3 (25) 42.0
 
April 8, 2021, 8 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 6.2 μg/m3 (26) 42.0
 
April 8, 2021, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 6.3 μg/m3 (27) 42.0
 
April 8, 2021, 6 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
April 8, 2021, 5 p.m. 3.3 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 5.2 μg/m3 (22) 41.0
 
April 8, 2021, 4 p.m. 19.2 ppb (19) 6.8 ppb (7) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 36.0 ppb (34) 0.0 ppb (0) N/A 8.1 μg/m3 (34) 34.0
 
April 8, 2021, 3 p.m. 32.1 ppb (31) 13.0 ppb (13) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 25.0 ppb (24) 0.0 ppb (0) N/A 9.2 μg/m3 (39) 39.0
 
April 8, 2021, 2 p.m. 86.1 ppb (86) 53.7 ppb (51) N/A 32.0 ppb (31) N/A 2.0 ppb (3) 8.0 ppb (8) 0.4 ppb (5) N/A 12.4 μg/m3 (52) 86.0
 
April 8, 2021, 1 p.m. 55.6 ppb (53) 23.2 ppb (22) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 4.0 ppb (4) 0.2 ppb (3) N/A 8.0 μg/m3 (34) 53.0
 
April 8, 2021, noon 59.5 ppb (57) 24.9 ppb (24) N/A 35.0 ppb (34) N/A 1.0 ppb (2) 2.0 ppb (2) 0.2 ppb (3) N/A 8.4 μg/m3 (36) 57.0
 
April 8, 2021, 11 a.m. 30.8 ppb (30) 4.3 ppb (5) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 7.0 ppb (7) 0.0 ppb (0) N/A 7.4 μg/m3 (31) 31.0
 
April 8, 2021, 10 a.m. 31.9 ppb (31) 4.1 ppb (4) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 5.0 ppb (5) 0.0 ppb (0) N/A 9.1 μg/m3 (38) 38.0
 
April 8, 2021, 9 a.m. 27.9 ppb (27) 2.0 ppb (2) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 7.0 ppb (7) 0.0 ppb (0) N/A 8.5 μg/m3 (36) 36.0
 
April 8, 2021, 8 a.m. 33.0 ppb (32) 3.4 ppb (4) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 4.0 ppb (4) 0.1 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
April 8, 2021, 7 a.m. 26.1 ppb (25) 1.7 ppb (2) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 10.0 ppb (10) 0.0 ppb (0) N/A 9.2 μg/m3 (39) 39.0
 
April 8, 2021, 6 a.m. 26.8 ppb (26) 1.6 ppb (2) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 10.0 ppb (10) 0.0 ppb (0) N/A 9.0 μg/m3 (38) 38.0
 
April 8, 2021, 5 a.m. 30.0 ppb (29) 2.1 ppb (2) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 9.0 ppb (9) 0.1 ppb (2) N/A 8.7 μg/m3 (37) 37.0
 
April 8, 2021, 4 a.m. 35.4 ppb (34) 1.8 ppb (2) N/A 34.0 ppb (33) N/A 1.0 ppb (2) 9.0 ppb (9) 0.1 ppb (2) N/A 7.8 μg/m3 (33) 34.0
 
April 8, 2021, 3 a.m. 30.1 ppb (29) 0.8 ppb (1) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 18.0 ppb (17) 0.1 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
April 8, 2021, 2 a.m. 20.4 ppb (20) 0.5 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 7.4 μg/m3 (31) 31.0
 
April 8, 2021, 1 a.m. 9.6 ppb (10) 0.6 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 46.0 ppb (43) 0.0 ppb (0) N/A 8.7 μg/m3 (37) 43.0
 
April 8, 2021, midnight 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 4.6 μg/m3 (20) 48.0
 
April 7, 2021, 11 p.m. 4.6 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A 4.5 μg/m3 (19) 49.0
 
April 7, 2021, 10 p.m. 3.2 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 4.6 μg/m3 (20) 50.0
 
April 7, 2021, 9 p.m. 5.0 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 4.8 μg/m3 (20) 48.0
 
April 7, 2021, 8 p.m. 3.5 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A 4.7 μg/m3 (20) 49.0
 
April 7, 2021, 7 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A 4.3 μg/m3 (18) 49.0
 
April 7, 2021, 6 p.m. 7.2 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 46.0 ppb (43) 0.0 ppb (0) N/A 5.1 μg/m3 (22) 43.0
 
April 7, 2021, 5 p.m. 14.0 ppb (14) 5.3 ppb (5) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 38.0 ppb (36) 0.0 ppb (0) N/A 6.4 μg/m3 (27) 36.0
 
April 7, 2021, 4 p.m. 17.4 ppb (17) 6.9 ppb (7) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 33.0 ppb (31) 0.0 ppb (0) N/A 6.8 μg/m3 (29) 31.0
 
April 7, 2021, 3 p.m. 23.8 ppb (23) 9.5 ppb (9) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 28.0
 
April 7, 2021, 2 p.m. 47.8 ppb (46) 22.1 ppb (21) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 14.0 ppb (13) 0.1 ppb (2) N/A 8.3 μg/m3 (35) 46.0
 
April 7, 2021, 1 p.m. 42.7 ppb (41) 11.3 ppb (11) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 8.0 ppb (8) 0.1 ppb (2) N/A 6.8 μg/m3 (29) 41.0
 
April 7, 2021, noon 47.2 ppb (45) 14.3 ppb (14) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 4.0 ppb (4) 0.1 ppb (2) N/A 5.3 μg/m3 (23) 45.0
 
April 7, 2021, 11 a.m. 44.7 ppb (43) 13.0 ppb (13) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 3.0 ppb (3) 0.0 ppb (0) N/A 5.8 μg/m3 (25) 43.0
 
April 7, 2021, 10 a.m. 34.7 ppb (33) 5.7 ppb (6) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 4.0 ppb (4) 0.0 ppb (0) N/A 4.4 μg/m3 (19) 33.0
 
April 7, 2021, 9 a.m. 30.4 ppb (29) 3.4 ppb (4) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 29.0
 
April 7, 2021, 8 a.m. 31.5 ppb (30) 2.8 ppb (3) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 5.0 ppb (5) 0.0 ppb (0) N/A 6.2 μg/m3 (26) 30.0
 
April 7, 2021, 7 a.m. 20.5 ppb (20) 1.1 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) N/A 6.1 μg/m3 (26) 26.0
 
April 7, 2021, 6 a.m. 18.2 ppb (18) 0.8 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) N/A 6.6 μg/m3 (28) 28.0
 
April 7, 2021, 5 a.m. 23.2 ppb (22) 1.3 ppb (2) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 30.0
 
April 7, 2021, 4 a.m. 24.2 ppb (23) 1.1 ppb (2) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) N/A 7.3 μg/m3 (31) 31.0
 
April 7, 2021, 3 a.m. 20.7 ppb (20) 1.1 ppb (2) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 24.0
 
April 7, 2021, 2 a.m. 9.3 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 32.0
 
April 7, 2021, 1 a.m. 3.3 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 2.6 μg/m3 (11) 40.0
 
April 7, 2021, midnight 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 2.5 μg/m3 (11) 41.0
 
April 6, 2021, 11 p.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 3.1 μg/m3 (13) 41.0
 
April 6, 2021, 10 p.m. 4.7 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 5.1 μg/m3 (22) 39.0
 
April 6, 2021, 9 p.m. 5.2 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 5.9 μg/m3 (25) 38.0
 
April 6, 2021, 8 p.m. 3.8 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 4.8 μg/m3 (20) 38.0
 
April 6, 2021, 7 p.m. 4.6 ppb (5) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 4.6 μg/m3 (20) 37.0
 
April 6, 2021, 6 p.m. 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 3.9 μg/m3 (17) 36.0
 
April 6, 2021, 5 p.m. 9.0 ppb (9) 2.4 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.3 μg/m3 (18) 32.0
 
April 6, 2021, 4 p.m. 8.9 ppb (9) 2.2 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.2 μg/m3 (14) 33.0
 
April 6, 2021, 3 p.m. 7.7 ppb (8) 1.4 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.6 μg/m3 (11) 34.0
 
April 6, 2021, 2 p.m. 10.4 ppb (10) 1.3 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 2.2 μg/m3 (10) 33.0
 
April 6, 2021, 1 p.m. 9.8 ppb (10) 1.1 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 34.0
 
April 6, 2021, noon 4.4 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 1.5 μg/m3 (7) 38.0
 
April 6, 2021, 11 a.m. 4.1 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 1.7 μg/m3 (8) 38.0
 
April 6, 2021, 10 a.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 2.4 μg/m3 (10) 41.0
 
April 6, 2021, 9 a.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 2.5 μg/m3 (11) 46.0
 
April 6, 2021, 8 a.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A 2.6 μg/m3 (11) 49.0
 
April 6, 2021, 7 a.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 3.5 μg/m3 (15) 47.0
 
April 6, 2021, 6 a.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 3.8 μg/m3 (16) 45.0
 
April 6, 2021, 5 a.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
April 6, 2021, 4 a.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
April 6, 2021, 3 a.m. 5.2 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 7.5 μg/m3 (32) 32.0
 
April 6, 2021, 2 a.m. 3.4 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A N/A 33.0
 
April 6, 2021, 1 a.m. 4.4 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 85.7 μg/m3 (167) 167.0
 
April 6, 2021, midnight 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 47.5 μg/m3 (131) 131.0
 
April 5, 2021, 11 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 23.6 μg/m3 (76) 76.0
 
April 5, 2021, 10 p.m. 4.0 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 3.9 μg/m3 (17) 40.0
 
April 5, 2021, 9 p.m. 5.9 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 4.4 μg/m3 (19) 38.0
 
April 5, 2021, 8 p.m. 4.9 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 4.6 μg/m3 (20) 42.0
 
April 5, 2021, 7 p.m. 6.3 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 6.1 μg/m3 (26) 43.0
 
April 5, 2021, 6 p.m. 5.7 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 4.9 μg/m3 (21) 42.0
 
April 5, 2021, 5 p.m. 7.3 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 41.0
 
April 5, 2021, 4 p.m. 14.7 ppb (14) 5.0 ppb (5) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 35.0 ppb (33) 0.0 ppb (0) N/A 8.0 μg/m3 (34) 34.0
 
April 5, 2021, 3 p.m. 23.1 ppb (22) 8.7 ppb (9) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 27.0 ppb (25) 0.0 ppb (0) N/A 9.4 μg/m3 (40) 40.0
 
April 5, 2021, 2 p.m. 32.9 ppb (32) 11.7 ppb (12) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 18.0 ppb (17) 0.0 ppb (0) N/A N/A 32.0
 
April 5, 2021, 1 p.m. 28.9 ppb (28) 4.5 ppb (5) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 15.0 ppb (14) 0.0 ppb (0) N/A 9.7 μg/m3 (41) 41.0
 
April 5, 2021, noon 24.0 ppb (23) 3.2 ppb (4) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 17.0 ppb (16) 0.0 ppb (0) N/A 7.7 μg/m3 (33) 33.0
 
April 5, 2021, 11 a.m. 18.4 ppb (18) 1.0 ppb (1) N/A 18.0 ppb (17) N/A N/A 18.0 ppb (17) 0.0 ppb (0) N/A 7.0 μg/m3 (30) 30.0
 
April 5, 2021, 10 a.m. 13.9 ppb (14) 0.7 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 19.0 ppb (18) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 29.0
 
April 5, 2021, 9 a.m. 12.9 ppb (13) 0.8 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 22.0 ppb (21) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 30.0
 
April 5, 2021, 8 a.m. 22.9 ppb (22) 1.7 ppb (2) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) N/A 7.7 μg/m3 (33) 33.0
 
April 5, 2021, 7 a.m. 16.1 ppb (16) 0.7 ppb (1) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 19.0 ppb (18) 0.0 ppb (0) N/A 7.5 μg/m3 (32) 32.0
 
April 5, 2021, 6 a.m. 13.4 ppb (13) 0.7 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 24.0 ppb (23) 0.0 ppb (0) N/A 7.2 μg/m3 (31) 31.0
 
April 5, 2021, 5 a.m. 25.3 ppb (24) 1.5 ppb (2) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 13.0 ppb (13) 0.1 ppb (2) N/A 10.2 μg/m3 (43) 43.0
 
April 5, 2021, 4 a.m. 31.1 ppb (30) 2.0 ppb (2) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 12.0 ppb (12) 0.2 ppb (3) N/A 11.1 μg/m3 (47) 47.0
 
April 5, 2021, 3 a.m. 27.4 ppb (26) 1.1 ppb (2) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 16.0 ppb (15) 0.1 ppb (2) N/A 9.2 μg/m3 (39) 39.0
 
April 5, 2021, 2 a.m. 17.2 ppb (17) 0.6 ppb (1) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 31.0 ppb (29) 0.0 ppb (0) N/A 6.6 μg/m3 (28) 29.0
 
April 5, 2021, 1 a.m. 4.7 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 4.8 μg/m3 (20) 43.0
 
April 5, 2021, midnight 3.0 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 4.3 μg/m3 (18) 45.0
 
April 4, 2021, 11 p.m. 3.4 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
April 4, 2021, 10 p.m. 3.3 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 4.8 μg/m3 (20) 47.0
 
April 4, 2021, 9 p.m. 3.4 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 4.9 μg/m3 (21) 49.0
 
April 4, 2021, 8 p.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 4.6 μg/m3 (20) 49.0
 
April 4, 2021, 7 p.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 4.6 μg/m3 (20) 48.0
 
April 4, 2021, 6 p.m. 2.4 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 4.8 μg/m3 (20) 48.0
 
April 4, 2021, 5 p.m. 4.0 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 5.5 μg/m3 (23) 44.0
 
April 4, 2021, 4 p.m. 7.5 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 5.8 μg/m3 (25) 38.0
 
April 4, 2021, 3 p.m. 6.3 ppb (6) 1.6 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 6.1 μg/m3 (26) 33.0
 
April 4, 2021, 2 p.m. 6.1 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 6.3 μg/m3 (27) 32.0
 
April 4, 2021, 1 p.m. 5.5 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 6.5 μg/m3 (28) 32.0
 
April 4, 2021, noon 4.8 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 6.7 μg/m3 (28) 34.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 7.2 μg/m3 (31) 35.0
 
April 4, 2021, 10 a.m. 4.4 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 7.3 μg/m3 (31) 35.0
 
April 4, 2021, 9 a.m. 6.1 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 7.3 μg/m3 (31) 34.0
 
April 4, 2021, 8 a.m. 9.9 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 32.0 ppb (30) 0.0 ppb (0) N/A 8.5 μg/m3 (36) 36.0
 
April 4, 2021, 7 a.m. 14.9 ppb (15) 0.8 ppb (1) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) N/A 10.0 μg/m3 (42) 42.0
 
April 4, 2021, 6 a.m. 24.7 ppb (24) 1.3 ppb (2) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 14.0 ppb (13) 0.1 ppb (2) N/A 16.0 μg/m3 (60) 60.0
 
April 4, 2021, 5 a.m. 18.9 ppb (18) 0.8 ppb (1) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 24.0 ppb (23) 0.0 ppb (0) N/A 11.7 μg/m3 (49) 49.0
 
April 4, 2021, 4 a.m. 35.2 ppb (34) 2.4 ppb (3) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 13.0 ppb (13) 0.2 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
April 4, 2021, 3 a.m. 32.8 ppb (31) 4.9 ppb (5) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 19.0 ppb (18) 0.1 ppb (2) N/A 12.4 μg/m3 (52) 52.0
 
April 4, 2021, 2 a.m. 24.3 ppb (23) 5.3 ppb (5) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 31.0 ppb (29) 0.0 ppb (0) N/A 9.8 μg/m3 (41) 41.0
 
April 4, 2021, 1 a.m. 7.3 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 48.0 ppb (45) 0.0 ppb (0) N/A 6.4 μg/m3 (27) 45.0
 
April 4, 2021, midnight 7.1 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 56.0 ppb (55) 0.0 ppb (0) N/A 7.8 μg/m3 (33) 55.0
 
April 3, 2021, 11 p.m. 7.7 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 58.0 ppb (61) 0.0 ppb (0) N/A 10.1 μg/m3 (43) 61.0
 
April 3, 2021, 10 p.m. 7.9 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 59.0 ppb (65) 0.0 ppb (0) N/A 12.3 μg/m3 (52) 65.0
 
April 3, 2021, 9 p.m. 6.3 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 56.0 ppb (55) N/A N/A 7.5 μg/m3 (32) 55.0
 
April 3, 2021, 8 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.3 μg/m3 (23) 49.0
 
April 3, 2021, 7 p.m. 7.4 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 49.0 ppb (46) N/A N/A 6.5 μg/m3 (28) 46.0
 
April 3, 2021, 6 p.m. 11.1 ppb (11) 3.3 ppb (4) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 43.0 ppb (40) 0.0 ppb (0) N/A 7.7 μg/m3 (33) 40.0
 
April 3, 2021, 5 p.m. 12.1 ppb (12) 3.8 ppb (4) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 40.0 ppb (38) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 38.0
 
April 3, 2021, 4 p.m. 12.9 ppb (13) 4.1 ppb (4) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 37.0 ppb (35) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 35.0
 
April 3, 2021, 3 p.m. 23.6 ppb (23) 8.5 ppb (9) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) N/A 8.6 μg/m3 (36) 36.0
 
April 3, 2021, 2 p.m. 34.6 ppb (33) 12.9 ppb (13) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 17.0 ppb (16) 0.0 ppb (0) N/A 9.7 μg/m3 (41) 41.0
 
April 3, 2021, 1 p.m. 30.7 ppb (29) 5.5 ppb (6) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 12.0 ppb (12) 0.0 ppb (0) N/A 8.8 μg/m3 (37) 37.0
 
April 3, 2021, noon 18.0 ppb (17) 0.9 ppb (1) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) N/A 8.7 μg/m3 (37) 37.0
 
April 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 8.5 μg/m3 (36) 36.0