ID: 2262

AQSQID: 270530962

Site Name: Minneapolis-Near Road

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

Updated: April 20, 2021, 9:43 a.m.

Location: Minneapolis (Ventura Village), MN

Reporting: True, Located: True

Current AQI: 25.0

Minneapolis (Ventura Village) MN, US: 44.9653, -93.2551

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 20, 2021, 8 a.m. 13.8 ppb (14) 1.4 ppb (2) N/A 12.0 ppb (12) N/A N/A 27.0 ppb (25) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 25.0
 
April 20, 2021, 7 a.m. 17.0 ppb (17) 1.8 ppb (2) N/A 15.0 ppb (15) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 4.0 μg/m3 (17) 24.0
 
April 20, 2021, 6 a.m. 15.6 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A 25.0 ppb (24) 0.27 ppb (4) N/A 5.0 μg/m3 (21) 24.0
 
April 20, 2021, 5 a.m. 17.1 ppb (17) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 24.0 ppb (23) 0.28 ppb (4) N/A 4.0 μg/m3 (17) 23.0
 
April 20, 2021, 4 a.m. 24.1 ppb (23) 4.6 ppb (5) N/A 20.0 ppb (19) N/A N/A 22.0 ppb (21) 0.36 ppb (5) N/A 3.0 μg/m3 (13) 23.0
 
April 20, 2021, 3 a.m. 19.1 ppb (19) 4.1 ppb (4) N/A 15.0 ppb (15) N/A N/A 28.0 ppb (26) 0.33 ppb (4) N/A 3.0 μg/m3 (13) 26.0
 
April 20, 2021, 2 a.m. 20.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (14) N/A N/A 29.0 ppb (27) 0.33 ppb (4) N/A 2.0 μg/m3 (9) 27.0
 
April 20, 2021, 1 a.m. 17.0 ppb (17) 5.1 ppb (5) N/A 12.0 ppb (12) N/A N/A 32.0 ppb (30) 0.34 ppb (4) N/A 2.0 μg/m3 (9) 30.0
 
April 20, 2021, midnight 13.7 ppb (13) 4.8 ppb (5) N/A 9.0 ppb (9) N/A N/A 33.0 ppb (31) 0.33 ppb (4) N/A 2.0 μg/m3 (9) 31.0
 
April 19, 2021, 11 p.m. 17.5 ppb (17) 6.3 ppb (6) N/A 11.0 ppb (11) N/A N/A 32.0 ppb (30) 0.35 ppb (4) N/A 1.0 μg/m3 (5) 30.0
 
April 19, 2021, 10 p.m. 20.3 ppb (20) 7.8 ppb (8) N/A 13.0 ppb (13) N/A N/A 30.0 ppb (28) 0.38 ppb (5) N/A 3.0 μg/m3 (13) 28.0
 
April 19, 2021, 9 p.m. 24.5 ppb (24) 10.0 ppb (10) N/A 15.0 ppb (15) N/A N/A 29.0 ppb (27) 0.39 ppb (5) N/A 5.0 μg/m3 (21) 27.0
 
April 19, 2021, 8 p.m. 34.8 ppb (33) 16.0 ppb (16) N/A 19.0 ppb (18) N/A N/A 27.0 ppb (25) 0.42 ppb (5) N/A 2.0 μg/m3 (9) 33.0
 
April 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.38 ppb (5) N/A 0.0 μg/m3 (0) 25.0
 
April 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.35 ppb (4) N/A 1.0 μg/m3 (5) 24.0
 
April 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.32 ppb (4) N/A 3.0 μg/m3 (13) 25.0
 
April 19, 2021, 4 p.m. 27.3 ppb (26) 13.5 ppb (13) N/A 14.0 ppb (14) N/A N/A 26.0 ppb (25) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 26.0
 
April 19, 2021, 3 p.m. 32.6 ppb (31) 16.0 ppb (16) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) 0.36 ppb (5) N/A 4.0 μg/m3 (17) 31.0
 
April 19, 2021, 2 p.m. 37.0 ppb (35) 18.1 ppb (18) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (19) 0.39 ppb (5) N/A 2.0 μg/m3 (9) 35.0
 
April 19, 2021, 1 p.m. 40.2 ppb (38) 19.5 ppb (19) N/A 21.0 ppb (20) N/A N/A 17.0 ppb (16) 0.4 ppb (5) N/A 1.0 μg/m3 (5) 38.0
 
April 19, 2021, noon 32.9 ppb (32) 15.3 ppb (15) N/A 18.0 ppb (17) N/A N/A 20.0 ppb (19) 0.39 ppb (5) N/A 1.0 μg/m3 (5) 32.0
 
April 19, 2021, 11 a.m. 23.2 ppb (22) 9.7 ppb (10) N/A 14.0 ppb (14) N/A N/A 26.0 ppb (25) 0.36 ppb (5) N/A 1.0 μg/m3 (5) 25.0
 
April 19, 2021, 10 a.m. 10.0 ppb (10) 3.8 ppb (4) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.27 ppb (4) N/A 1.0 μg/m3 (5) 29.0
 
April 19, 2021, 9 a.m. 5.1 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.25 ppb (3) N/A 2.0 μg/m3 (9) 31.0
 
April 19, 2021, 8 a.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 32.0
 
April 19, 2021, 7 a.m. 3.4 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 29.0
 
April 19, 2021, 6 a.m. 3.3 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.24 ppb (3) N/A 1.0 μg/m3 (5) 28.0
 
April 19, 2021, 5 a.m. 3.6 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.25 ppb (3) N/A 1.0 μg/m3 (5) 29.0
 
April 19, 2021, 4 a.m. 5.2 ppb (5) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.26 ppb (4) N/A 1.0 μg/m3 (5) 27.0
 
April 19, 2021, 3 a.m. 4.5 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.26 ppb (4) N/A 2.0 μg/m3 (9) 31.0
 
April 19, 2021, 2 a.m. 7.4 ppb (7) 2.8 ppb (3) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.29 ppb (4) N/A 2.0 μg/m3 (9) 30.0
 
April 19, 2021, 1 a.m. 8.2 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.31 ppb (4) N/A 5.0 μg/m3 (21) 32.0
 
April 19, 2021, midnight 8.5 ppb (9) 2.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.33 ppb (4) N/A 7.0 μg/m3 (30) 34.0
 
April 18, 2021, 11 p.m. 12.4 ppb (12) 4.0 ppb (4) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.35 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
April 18, 2021, 10 p.m. 5.3 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.29 ppb (4) N/A 8.0 μg/m3 (34) 41.0
 
April 18, 2021, 9 p.m. 4.8 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 45.0
 
April 18, 2021, 8 p.m. 5.1 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) 0.28 ppb (4) N/A 5.0 μg/m3 (21) 45.0
 
April 18, 2021, 7 p.m. 5.1 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 44.0
 
April 18, 2021, 6 p.m. 6.6 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 42.0
 
April 18, 2021, 5 p.m. 4.3 ppb (5) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.26 ppb (4) N/A 4.0 μg/m3 (17) 41.0
 
April 18, 2021, 4 p.m. 5.6 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.28 ppb (4) N/A 3.0 μg/m3 (13) 38.0
 
April 18, 2021, 3 p.m. 4.9 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.25 ppb (3) N/A 3.0 μg/m3 (13) 36.0
 
April 18, 2021, 2 p.m. 10.1 ppb (10) 2.4 ppb (3) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) 0.28 ppb (4) N/A 5.0 μg/m3 (21) 29.0
 
April 18, 2021, 1 p.m. 23.8 ppb (23) 7.0 ppb (7) N/A 17.0 ppb (17) N/A N/A 18.0 ppb (17) 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
April 18, 2021, noon 39.2 ppb (37) 13.3 ppb (13) N/A 26.0 ppb (25) N/A N/A 8.0 ppb (8) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 37.0
 
April 18, 2021, 11 a.m. 20.5 ppb (20) 2.8 ppb (3) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (16) 0.37 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
April 18, 2021, 10 a.m. 17.2 ppb (17) 1.6 ppb (2) N/A 16.0 ppb (16) N/A N/A 20.0 ppb (19) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
April 18, 2021, 9 a.m. 17.5 ppb (17) 1.1 ppb (2) N/A 16.0 ppb (16) N/A N/A 22.0 ppb (21) 0.39 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
April 18, 2021, 8 a.m. 15.2 ppb (15) 1.4 ppb (2) N/A 14.0 ppb (14) N/A N/A 26.0 ppb (25) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
April 18, 2021, 7 a.m. 14.6 ppb (14) 2.1 ppb (2) N/A 12.0 ppb (12) N/A N/A 29.0 ppb (27) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 27.0
 
April 18, 2021, 6 a.m. 15.5 ppb (15) 1.6 ppb (2) N/A 14.0 ppb (14) N/A N/A N/A 0.39 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
April 18, 2021, 5 a.m. 22.3 ppb (22) 2.4 ppb (3) N/A 20.0 ppb (19) N/A N/A 22.0 ppb (21) 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
April 18, 2021, 4 a.m. 23.3 ppb (22) 2.0 ppb (2) N/A 21.0 ppb (20) N/A N/A 20.0 ppb (19) 0.47 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
April 18, 2021, 3 a.m. 24.2 ppb (23) 3.2 ppb (4) N/A 21.0 ppb (20) N/A N/A 21.0 ppb (20) 0.47 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
April 18, 2021, 2 a.m. 19.4 ppb (19) 5.2 ppb (5) N/A 14.0 ppb (14) N/A N/A 32.0 ppb (30) 0.43 ppb (5) N/A 3.0 μg/m3 (13) 30.0
 
April 18, 2021, 1 a.m. 19.4 ppb (19) 5.4 ppb (6) N/A 14.0 ppb (14) N/A N/A 32.0 ppb (30) 0.41 ppb (5) N/A 2.0 μg/m3 (9) 30.0
 
April 18, 2021, midnight 14.5 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (11) N/A N/A 35.0 ppb (33) 0.38 ppb (5) N/A 3.0 μg/m3 (13) 33.0
 
April 17, 2021, 11 p.m. 15.8 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (11) N/A N/A 36.0 ppb (34) 0.4 ppb (5) N/A 3.0 μg/m3 (13) 34.0
 
April 17, 2021, 10 p.m. 13.1 ppb (13) 4.6 ppb (5) N/A 9.0 ppb (9) N/A N/A 38.0 ppb (36) 0.37 ppb (5) N/A 3.0 μg/m3 (13) 36.0
 
April 17, 2021, 9 p.m. 13.8 ppb (14) 4.8 ppb (5) N/A 9.0 ppb (9) N/A N/A 38.0 ppb (36) 0.37 ppb (5) N/A 0.0 μg/m3 (0) 36.0
 
April 17, 2021, 8 p.m. 13.5 ppb (13) 4.8 ppb (5) N/A 9.0 ppb (9) N/A N/A 38.0 ppb (36) 0.38 ppb (5) N/A 3.0 μg/m3 (13) 36.0
 
April 17, 2021, 7 p.m. 17.5 ppb (17) 6.9 ppb (7) N/A 11.0 ppb (11) N/A N/A 36.0 ppb (34) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 34.0
 
April 17, 2021, 6 p.m. 16.4 ppb (16) 6.3 ppb (6) N/A 10.0 ppb (10) N/A N/A 36.0 ppb (34) 0.42 ppb (5) N/A 2.0 μg/m3 (9) 34.0
 
April 17, 2021, 5 p.m. 15.5 ppb (15) 6.0 ppb (6) N/A 9.0 ppb (9) N/A N/A 36.0 ppb (34) 0.39 ppb (5) N/A 4.0 μg/m3 (17) 34.0
 
April 17, 2021, 4 p.m. 18.5 ppb (18) 7.1 ppb (7) N/A 11.0 ppb (11) N/A N/A 33.0 ppb (31) 0.4 ppb (5) N/A 7.0 μg/m3 (30) 31.0
 
April 17, 2021, 3 p.m. 21.4 ppb (21) 7.1 ppb (7) N/A 14.0 ppb (14) N/A N/A 29.0 ppb (27) 0.39 ppb (5) N/A 5.0 μg/m3 (21) 27.0
 
April 17, 2021, 2 p.m. 41.2 ppb (39) 16.4 ppb (16) N/A 25.0 ppb (24) N/A N/A 18.0 ppb (17) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 39.0
 
April 17, 2021, 1 p.m. 43.2 ppb (41) 18.0 ppb (17) N/A 25.0 ppb (24) N/A N/A 13.0 ppb (13) 0.55 ppb (7) N/A 9.0 μg/m3 (38) 41.0
 
April 17, 2021, noon 37.5 ppb (36) 13.8 ppb (14) N/A 24.0 ppb (23) N/A N/A 13.0 ppb (13) 0.46 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 11 a.m. 41.2 ppb (39) 12.6 ppb (12) N/A 29.0 ppb (28) N/A N/A 12.0 ppb (12) 0.44 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 10 a.m. 48.0 ppb (46) 13.6 ppb (13) N/A 34.0 ppb (33) N/A N/A 6.0 ppb (6) 0.46 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
April 17, 2021, 9 a.m. 54.1 ppb (52) 15.8 ppb (15) N/A 38.0 ppb (36) N/A N/A 3.0 ppb (3) 0.52 ppb (6) N/A 20.0 μg/m3 (68) 68.0
 
April 17, 2021, 8 a.m. 38.4 ppb (37) 5.6 ppb (6) N/A 33.0 ppb (32) N/A N/A 8.0 ppb (8) 0.48 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
April 17, 2021, 7 a.m. 37.9 ppb (36) 6.1 ppb (6) N/A 32.0 ppb (31) N/A N/A 10.0 ppb (10) 0.5 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
April 17, 2021, 6 a.m. 37.2 ppb (36) 7.1 ppb (7) N/A 30.0 ppb (29) N/A N/A 13.0 ppb (13) 0.58 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 5 a.m. 32.0 ppb (31) 7.1 ppb (7) N/A 25.0 ppb (24) N/A N/A 19.0 ppb (18) 0.64 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
April 17, 2021, 4 a.m. 48.7 ppb (46) 16.1 ppb (16) N/A 33.0 ppb (32) N/A N/A 12.0 ppb (12) 0.73 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
April 17, 2021, 3 a.m. 36.7 ppb (35) 9.3 ppb (9) N/A 27.0 ppb (26) N/A N/A 19.0 ppb (18) 0.59 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
April 17, 2021, 2 a.m. 37.6 ppb (36) 10.7 ppb (11) N/A 27.0 ppb (26) N/A N/A 23.0 ppb (22) 0.58 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 1 a.m. 34.1 ppb (33) 9.9 ppb (10) N/A 24.0 ppb (23) N/A N/A 24.0 ppb (23) 0.62 ppb (7) N/A 4.0 μg/m3 (17) 33.0
 
April 17, 2021, midnight 22.3 ppb (22) 6.6 ppb (7) N/A 16.0 ppb (16) N/A N/A 35.0 ppb (33) 0.48 ppb (6) N/A 3.0 μg/m3 (13) 33.0
 
April 16, 2021, 11 p.m. 22.9 ppb (22) 7.6 ppb (8) N/A 15.0 ppb (15) N/A N/A 39.0 ppb (37) 0.45 ppb (6) N/A 5.0 μg/m3 (21) 37.0
 
April 16, 2021, 10 p.m. 22.7 ppb (22) 7.8 ppb (8) N/A 15.0 ppb (15) N/A N/A 39.0 ppb (37) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 37.0
 
April 16, 2021, 9 p.m. 25.4 ppb (24) 8.7 ppb (9) N/A 17.0 ppb (17) N/A N/A 39.0 ppb (37) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 37.0
 
April 16, 2021, 8 p.m. 25.3 ppb (24) 9.8 ppb (10) N/A 16.0 ppb (16) N/A N/A 40.0 ppb (38) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 38.0
 
April 16, 2021, 7 p.m. 29.5 ppb (28) 10.7 ppb (11) N/A 19.0 ppb (18) N/A N/A 36.0 ppb (34) 0.45 ppb (6) N/A 6.0 μg/m3 (25) 34.0
 
April 16, 2021, 6 p.m. 30.9 ppb (30) 11.9 ppb (12) N/A 19.0 ppb (18) N/A N/A 36.0 ppb (34) 0.4 ppb (5) N/A 7.0 μg/m3 (30) 34.0
 
April 16, 2021, 5 p.m. 27.0 ppb (26) 10.6 ppb (10) N/A 16.0 ppb (16) N/A N/A 37.0 ppb (35) 0.37 ppb (5) N/A 4.0 μg/m3 (17) 35.0
 
April 16, 2021, 4 p.m. 42.1 ppb (40) 19.2 ppb (19) N/A 23.0 ppb (22) N/A N/A 29.0 ppb (27) 0.4 ppb (5) N/A 5.0 μg/m3 (21) 40.0
 
April 16, 2021, 3 p.m. 62.3 ppb (60) 33.0 ppb (32) N/A 29.0 ppb (28) N/A N/A 13.0 ppb (13) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 60.0
 
April 16, 2021, 2 p.m. 67.3 ppb (66) 41.0 ppb (39) N/A 26.0 ppb (25) N/A N/A 9.0 ppb (9) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 66.0
 
April 16, 2021, 1 p.m. 57.4 ppb (55) 34.5 ppb (33) N/A 23.0 ppb (22) N/A N/A 9.0 ppb (9) 0.52 ppb (6) N/A 7.0 μg/m3 (30) 55.0
 
April 16, 2021, noon 53.1 ppb (51) 31.9 ppb (31) N/A 21.0 ppb (20) N/A N/A 7.0 ppb (7) 0.49 ppb (6) N/A 7.0 μg/m3 (30) 51.0
 
April 16, 2021, 11 a.m. 37.7 ppb (36) 20.1 ppb (19) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (9) 0.43 ppb (5) N/A 3.0 μg/m3 (13) 36.0
 
April 16, 2021, 10 a.m. 22.7 ppb (22) 9.8 ppb (10) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) 0.38 ppb (5) N/A 2.0 μg/m3 (9) 22.0
 
April 16, 2021, 9 a.m. 18.5 ppb (18) 6.2 ppb (6) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.28 ppb (4) N/A 2.0 μg/m3 (9) 18.0
 
April 16, 2021, 8 a.m. 17.7 ppb (17) 4.1 ppb (4) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) 0.28 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
April 16, 2021, 7 a.m. 11.8 ppb (12) 2.7 ppb (3) N/A 9.0 ppb (9) N/A N/A 18.0 ppb (17) 0.28 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
April 16, 2021, 6 a.m. 15.4 ppb (15) 3.6 ppb (4) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) 0.31 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
April 16, 2021, 5 a.m. 24.2 ppb (23) 5.9 ppb (6) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (8) 0.36 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
April 16, 2021, 4 a.m. 12.9 ppb (13) 3.6 ppb (4) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) 0.32 ppb (4) N/A 1.0 μg/m3 (5) 18.0
 
April 16, 2021, 3 a.m. 16.4 ppb (16) 5.8 ppb (6) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.36 ppb (5) N/A 2.0 μg/m3 (9) 18.0
 
April 16, 2021, 2 a.m. 17.7 ppb (17) 6.8 ppb (7) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.41 ppb (5) N/A 2.0 μg/m3 (9) 18.0
 
April 16, 2021, 1 a.m. 23.7 ppb (23) 11.6 ppb (11) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) 0.43 ppb (5) N/A 3.0 μg/m3 (13) 23.0
 
April 16, 2021, midnight 21.4 ppb (21) 10.3 ppb (10) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.45 ppb (6) N/A 4.0 μg/m3 (17) 21.0
 
April 15, 2021, 11 p.m. 23.0 ppb (22) 11.3 ppb (11) N/A 12.0 ppb (12) N/A N/A 19.0 ppb (18) 0.48 ppb (6) N/A 4.0 μg/m3 (17) 22.0
 
April 15, 2021, 10 p.m. 27.7 ppb (27) 14.3 ppb (14) N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) 0.48 ppb (6) N/A 3.0 μg/m3 (13) 27.0
 
April 15, 2021, 9 p.m. 24.5 ppb (24) 13.0 ppb (13) N/A 12.0 ppb (12) N/A N/A 19.0 ppb (18) 0.45 ppb (6) N/A 2.0 μg/m3 (9) 24.0
 
April 15, 2021, 8 p.m. 28.7 ppb (28) 16.1 ppb (16) N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) 0.44 ppb (5) N/A 5.0 μg/m3 (21) 28.0
 
April 15, 2021, 7 p.m. 33.6 ppb (32) 19.8 ppb (19) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) 0.44 ppb (5) N/A 2.0 μg/m3 (9) 32.0
 
April 15, 2021, 6 p.m. 33.6 ppb (32) 19.6 ppb (19) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) 0.41 ppb (5) N/A -1.0 μg/m3 (0) 32.0
 
April 15, 2021, 5 p.m. 36.1 ppb (35) 21.9 ppb (21) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.4 ppb (5) N/A 0.0 μg/m3 (0) 35.0
 
April 15, 2021, 4 p.m. 37.3 ppb (36) 21.8 ppb (21) N/A 16.0 ppb (16) N/A N/A 14.0 ppb (13) 0.42 ppb (5) N/A 2.0 μg/m3 (9) 36.0
 
April 15, 2021, 3 p.m. 37.9 ppb (36) 23.6 ppb (23) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.38 ppb (5) N/A 1.0 μg/m3 (5) 36.0
 
April 15, 2021, 2 p.m. 40.4 ppb (39) 25.9 ppb (25) N/A 15.0 ppb (15) N/A N/A 12.0 ppb (12) 0.44 ppb (5) N/A 2.0 μg/m3 (9) 39.0
 
April 15, 2021, 1 p.m. 40.5 ppb (39) 25.1 ppb (24) N/A 15.0 ppb (15) N/A N/A 9.0 ppb (9) 0.44 ppb (5) N/A 2.0 μg/m3 (9) 39.0
 
April 15, 2021, noon 40.5 ppb (39) 25.9 ppb (25) N/A 15.0 ppb (15) N/A N/A 7.0 ppb (7) 0.45 ppb (6) N/A 4.0 μg/m3 (17) 39.0
 
April 15, 2021, 11 a.m. 36.5 ppb (35) 21.7 ppb (21) N/A 15.0 ppb (15) N/A N/A 8.0 ppb (8) 0.44 ppb (5) N/A 4.0 μg/m3 (17) 35.0
 
April 15, 2021, 10 a.m. 23.3 ppb (22) 11.5 ppb (11) N/A 12.0 ppb (12) N/A N/A 10.0 ppb (10) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
April 15, 2021, 9 a.m. 13.8 ppb (14) 4.8 ppb (5) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) 0.28 ppb (4) N/A 2.0 μg/m3 (9) 14.0
 
April 15, 2021, 8 a.m. 9.2 ppb (9) 2.5 ppb (3) N/A 7.0 ppb (7) N/A N/A 13.0 ppb (13) 0.27 ppb (4) N/A 0.0 μg/m3 (0) 13.0
 
April 15, 2021, 7 a.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (14) 0.25 ppb (3) N/A 2.0 μg/m3 (9) 14.0
 
April 15, 2021, 6 a.m. 5.7 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (13) 0.27 ppb (4) N/A 2.0 μg/m3 (9) 13.0
 
April 15, 2021, 5 a.m. 8.2 ppb (8) 3.5 ppb (4) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (13) 0.27 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
April 15, 2021, 4 a.m. 8.8 ppb (9) 3.6 ppb (4) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (13) 0.3 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
April 15, 2021, 3 a.m. 9.4 ppb (9) 4.5 ppb (5) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (13) 0.3 ppb (4) N/A 0.0 μg/m3 (0) 13.0
 
April 15, 2021, 2 a.m. 10.8 ppb (11) 5.0 ppb (5) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (14) 0.29 ppb (4) N/A 1.0 μg/m3 (5) 14.0
 
April 15, 2021, 1 a.m. 19.7 ppb (19) 10.2 ppb (10) N/A 10.0 ppb (10) N/A N/A 10.0 ppb (10) 0.37 ppb (5) N/A 1.0 μg/m3 (5) 19.0
 
April 15, 2021, midnight 27.1 ppb (26) 16.2 ppb (16) N/A 11.0 ppb (11) N/A N/A 7.0 ppb (7) 0.51 ppb (6) N/A 0.0 μg/m3 (0) 26.0
 
April 14, 2021, 11 p.m. 32.3 ppb (31) 19.9 ppb (19) N/A 12.0 ppb (12) N/A N/A 9.0 ppb (9) 0.48 ppb (6) N/A 2.0 μg/m3 (9) 31.0
 
April 14, 2021, 10 p.m. 33.1 ppb (32) 20.5 ppb (20) N/A 13.0 ppb (13) N/A N/A 10.0 ppb (10) 0.55 ppb (7) N/A 2.0 μg/m3 (9) 32.0
 
April 14, 2021, 9 p.m. 31.7 ppb (30) 18.1 ppb (18) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) 0.46 ppb (6) N/A 3.0 μg/m3 (13) 30.0
 
April 14, 2021, 8 p.m. 28.1 ppb (27) 15.9 ppb (15) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) 0.47 ppb (6) N/A 5.0 μg/m3 (21) 27.0
 
April 14, 2021, 7 p.m. 37.3 ppb (36) 23.8 ppb (23) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.43 ppb (5) N/A 5.0 μg/m3 (21) 36.0
 
April 14, 2021, 6 p.m. 33.9 ppb (32) 20.9 ppb (20) N/A 13.0 ppb (13) N/A N/A 14.0 ppb (13) 0.41 ppb (5) N/A 3.0 μg/m3 (13) 32.0
 
April 14, 2021, 5 p.m. 37.1 ppb (35) 22.7 ppb (22) N/A 14.0 ppb (14) N/A N/A 14.0 ppb (13) 0.4 ppb (5) N/A 4.0 μg/m3 (17) 35.0
 
April 14, 2021, 4 p.m. 46.7 ppb (45) 29.0 ppb (28) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (11) 0.44 ppb (5) N/A 4.0 μg/m3 (17) 45.0
 
April 14, 2021, 3 p.m. 46.8 ppb (45) 28.7 ppb (28) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (10) 0.43 ppb (5) N/A 6.0 μg/m3 (25) 45.0
 
April 14, 2021, 2 p.m. 41.6 ppb (40) 24.3 ppb (23) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) 0.43 ppb (5) N/A 7.0 μg/m3 (30) 40.0
 
April 14, 2021, 1 p.m. 40.6 ppb (39) 23.1 ppb (22) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (10) 0.41 ppb (5) N/A 4.0 μg/m3 (17) 39.0
 
April 14, 2021, noon 42.1 ppb (40) 24.3 ppb (23) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (9) 0.43 ppb (5) N/A 2.0 μg/m3 (9) 40.0
 
April 14, 2021, 11 a.m. 33.6 ppb (32) 16.5 ppb (16) N/A 17.0 ppb (17) N/A N/A 10.0 ppb (10) 0.41 ppb (5) N/A 0.0 μg/m3 (0) 32.0
 
April 14, 2021, 10 a.m. 14.9 ppb (15) 5.6 ppb (6) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.28 ppb (4) N/A -3.0 μg/m3 (0) 15.0
 
April 14, 2021, 9 a.m. 5.7 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (19) 0.23 ppb (3) N/A -3.0 μg/m3 (0) 19.0
 
April 14, 2021, 8 a.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (20) 0.23 ppb (3) N/A -1.0 μg/m3 (0) 20.0
 
April 14, 2021, 7 a.m. 4.5 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (21) 0.23 ppb (3) N/A 1.0 μg/m3 (5) 21.0
 
April 14, 2021, 6 a.m. 5.8 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (21) 0.23 ppb (3) N/A 3.0 μg/m3 (13) 21.0
 
April 14, 2021, 5 a.m. 6.1 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
April 14, 2021, 4 a.m. 6.5 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.25 ppb (3) N/A 2.0 μg/m3 (9) 22.0
 
April 14, 2021, 3 a.m. 9.4 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (7) N/A N/A 21.0 ppb (20) 0.28 ppb (4) N/A 1.0 μg/m3 (5) 20.0
 
April 14, 2021, 2 a.m. 14.5 ppb (14) 5.7 ppb (6) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) 0.31 ppb (4) N/A 1.0 μg/m3 (5) 19.0
 
April 14, 2021, 1 a.m. 12.1 ppb (12) 3.7 ppb (4) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) 0.32 ppb (4) N/A 2.0 μg/m3 (9) 17.0
 
April 14, 2021, midnight 15.0 ppb (15) 5.7 ppb (6) N/A 9.0 ppb (9) N/A N/A 17.0 ppb (16) 0.36 ppb (5) N/A 2.0 μg/m3 (9) 16.0
 
April 13, 2021, 11 p.m. 11.1 ppb (11) 4.2 ppb (4) N/A 7.0 ppb (7) N/A N/A 21.0 ppb (20) 0.32 ppb (4) N/A 3.0 μg/m3 (13) 20.0
 
April 13, 2021, 10 p.m. 16.5 ppb (16) 7.7 ppb (8) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) 0.32 ppb (4) N/A 0.0 μg/m3 (0) 19.0
 
April 13, 2021, 9 p.m. 17.4 ppb (17) 8.2 ppb (8) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) 0.37 ppb (5) N/A -3.0 μg/m3 (0) 18.0
 
April 13, 2021, 8 p.m. 9.3 ppb (9) 4.1 ppb (4) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.28 ppb (4) N/A 0.0 μg/m3 (0) 23.0
 
April 13, 2021, 7 p.m. 5.9 ppb (6) 2.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 4.0 μg/m3 (17) 24.0
 
April 13, 2021, 6 p.m. 15.9 ppb (15) 7.8 ppb (8) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) 0.29 ppb (4) N/A 2.0 μg/m3 (9) 21.0
 
April 13, 2021, 5 p.m. 18.9 ppb (18) 9.6 ppb (10) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) 0.31 ppb (4) N/A 2.0 μg/m3 (9) 18.0
 
April 13, 2021, 4 p.m. 8.7 ppb (9) 3.6 ppb (4) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (21) 0.22 ppb (3) N/A 2.0 μg/m3 (9) 21.0
 
April 13, 2021, 3 p.m. 14.3 ppb (14) 6.4 ppb (7) N/A 8.0 ppb (8) N/A N/A 21.0 ppb (20) 0.25 ppb (3) N/A 1.0 μg/m3 (5) 20.0
 
April 13, 2021, 2 p.m. 20.1 ppb (19) 9.7 ppb (10) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) 0.3 ppb (4) N/A 0.0 μg/m3 (0) 21.0
 
April 13, 2021, 1 p.m. 27.8 ppb (27) 14.0 ppb (14) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) 0.36 ppb (5) N/A -2.0 μg/m3 (0) 27.0
 
April 13, 2021, noon 22.6 ppb (22) 9.5 ppb (9) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) 0.35 ppb (4) N/A 0.0 μg/m3 (0) 22.0
 
April 13, 2021, 11 a.m. 15.8 ppb (15) 5.4 ppb (6) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.34 ppb (4) N/A -1.0 μg/m3 (0) 19.0
 
April 13, 2021, 10 a.m. 7.9 ppb (8) 2.2 ppb (3) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) 0.26 ppb (4) N/A 1.0 μg/m3 (5) 22.0
 
April 13, 2021, 9 a.m. 3.9 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 23.0