ID: 2262

AQSQID: 270530962

Site Name: Minneapolis-Near Road

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

Updated: Oct. 19, 2021, 11:02 a.m.

Location: Minneapolis (Ventura Village), MN

Reporting: True, Located: True

Current AQI: 30.0

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
Oct. 19, 2021, 9 a.m. 19.4 ppb (19) 1.3 ppb (2) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (13) 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 8 a.m. 18.8 ppb (18) 3.2 ppb (4) N/A 16.0 ppb (16) N/A N/A 17.0 ppb (16) 0.31 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 7 a.m. 11.3 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) 0.37 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 6 a.m. 9.2 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.31 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 19, 2021, 5 a.m. 7.7 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 30.0 ppb (28) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 19, 2021, 4 a.m. 7.7 ppb (8) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 30.0
 
Oct. 19, 2021, 3 a.m. 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 31.0 ppb (29) 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 19, 2021, 2 a.m. 11.1 ppb (11) 2.4 ppb (3) N/A 9.0 ppb (9) N/A N/A 34.0 ppb (32) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 1 a.m. 19.1 ppb (19) 1.3 ppb (2) N/A 18.0 ppb (17) N/A N/A 27.0 ppb (25) 0.42 ppb (5) N/A 31.0 μg/m3 (91) 91.0
 
Oct. 19, 2021, midnight 27.6 ppb (27) 1.8 ppb (2) N/A 26.0 ppb (25) N/A N/A 21.0 ppb (20) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 27.0
 
Oct. 18, 2021, 11 p.m. 14.0 ppb (14) 1.2 ppb (2) N/A 13.0 ppb (13) N/A N/A 34.0 ppb (32) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 32.0
 
Oct. 18, 2021, 10 p.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) 0.22 ppb (3) N/A 2.0 μg/m3 (9) 42.0
 
Oct. 18, 2021, 9 p.m. 4.8 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) 0.2 ppb (3) N/A 1.0 μg/m3 (5) 43.0
 
Oct. 18, 2021, 8 p.m. 4.6 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 45.0
 
Oct. 18, 2021, 7 p.m. 5.8 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.21 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 18, 2021, 6 p.m. 11.3 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A N/A 36.0 ppb (34) 0.26 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
Oct. 18, 2021, 5 p.m. 16.5 ppb (16) 4.6 ppb (5) N/A 12.0 ppb (12) N/A N/A 27.0 ppb (25) 0.3 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 18, 2021, 4 p.m. 21.1 ppb (20) 7.3 ppb (7) N/A 14.0 ppb (14) N/A N/A 20.0 ppb (19) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 20.0
 
Oct. 18, 2021, 3 p.m. 22.7 ppb (22) 7.4 ppb (7) N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
Oct. 18, 2021, 2 p.m. 38.7 ppb (37) 17.5 ppb (17) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) 0.46 ppb (6) N/A 7.0 μg/m3 (30) 37.0
 
Oct. 18, 2021, 1 p.m. 50.6 ppb (48) 24.2 ppb (23) N/A 26.0 ppb (25) N/A N/A 4.0 ppb (4) 0.6 ppb (7) N/A 11.0 μg/m3 (46) 48.0
 
Oct. 18, 2021, noon 40.4 ppb (39) 14.4 ppb (14) N/A 26.0 ppb (25) N/A N/A 3.0 ppb (3) 0.52 ppb (6) N/A 6.0 μg/m3 (25) 39.0
 
Oct. 18, 2021, 11 a.m. 34.9 ppb (33) 10.4 ppb (10) N/A 24.0 ppb (23) N/A N/A 3.0 ppb (3) 0.5 ppb (6) N/A 7.0 μg/m3 (30) 33.0
 
Oct. 18, 2021, 10 a.m. 22.9 ppb (22) 3.3 ppb (4) N/A 20.0 ppb (19) N/A N/A 6.0 ppb (6) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 18, 2021, 9 a.m. 19.3 ppb (19) 2.3 ppb (3) N/A 17.0 ppb (17) N/A N/A 10.0 ppb (10) 0.39 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 18, 2021, 8 a.m. 21.0 ppb (20) 1.7 ppb (2) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (9) 0.46 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 18, 2021, 7 a.m. 21.1 ppb (20) 1.7 ppb (2) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (11) 0.4 ppb (5) N/A 3.0 μg/m3 (13) 20.0
 
Oct. 18, 2021, 6 a.m. 20.1 ppb (19) 1.6 ppb (2) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (13) 0.38 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 18, 2021, 5 a.m. 21.2 ppb (20) 1.0 ppb (1) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (14) 0.5 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 18, 2021, 4 a.m. 35.2 ppb (34) 3.8 ppb (4) N/A 31.0 ppb (30) N/A N/A 5.0 ppb (5) 0.69 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 18, 2021, 3 a.m. 42.8 ppb (41) 8.0 ppb (8) N/A 35.0 ppb (34) N/A N/A 2.0 ppb (2) 0.84 ppb (10) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 18, 2021, 2 a.m. 40.5 ppb (39) 6.3 ppb (6) N/A 34.0 ppb (33) N/A N/A 4.0 ppb (4) 1.03 ppb (12) N/A 28.0 μg/m3 (85) 85.0
 
Oct. 18, 2021, 1 a.m. 36.7 ppb (35) 4.2 ppb (4) N/A 32.0 ppb (31) N/A N/A 8.0 ppb (8) 0.83 ppb (10) N/A 27.0 μg/m3 (83) 83.0
 
Oct. 18, 2021, midnight 32.0 ppb (31) 3.6 ppb (4) N/A 28.0 ppb (27) N/A N/A 13.0 ppb (13) 0.69 ppb (8) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 17, 2021, 11 p.m. 22.8 ppb (22) 2.3 ppb (3) N/A 20.0 ppb (19) N/A N/A 20.0 ppb (19) 0.68 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 17, 2021, 10 p.m. 7.7 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.27 ppb (4) N/A 4.0 μg/m3 (17) 34.0
 
Oct. 17, 2021, 9 p.m. 8.5 ppb (9) 2.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (35) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 35.0
 
Oct. 17, 2021, 8 p.m. 10.7 ppb (11) 3.2 ppb (4) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) 0.27 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 17, 2021, 7 p.m. 9.5 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.28 ppb (4) N/A 0.0 μg/m3 (0) 33.0
 
Oct. 17, 2021, 6 p.m. 5.6 ppb (6) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.23 ppb (3) N/A 2.0 μg/m3 (9) 33.0
 
Oct. 17, 2021, 5 p.m. 7.5 ppb (8) 2.3 ppb (3) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 28.0
 
Oct. 17, 2021, 4 p.m. 13.5 ppb (13) 4.8 ppb (5) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.3 ppb (4) N/A 1.0 μg/m3 (5) 23.0
 
Oct. 17, 2021, 3 p.m. 19.3 ppb (19) 7.9 ppb (8) N/A 11.0 ppb (11) N/A N/A 15.0 ppb (14) 0.32 ppb (4) N/A 2.0 μg/m3 (9) 19.0
 
Oct. 17, 2021, 2 p.m. 31.6 ppb (30) 14.1 ppb (14) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (7) 0.37 ppb (5) N/A 3.0 μg/m3 (13) 30.0
 
Oct. 17, 2021, 1 p.m. 36.3 ppb (35) 19.9 ppb (19) N/A 16.0 ppb (16) N/A N/A 3.0 ppb (3) 0.48 ppb (6) N/A 2.0 μg/m3 (9) 35.0
 
Oct. 17, 2021, noon 31.7 ppb (30) 13.0 ppb (13) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.38 ppb (5) N/A 1.0 μg/m3 (5) 30.0
 
Oct. 17, 2021, 11 a.m. 26.9 ppb (26) 8.9 ppb (9) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) 0.39 ppb (5) N/A 5.0 μg/m3 (21) 26.0
 
Oct. 17, 2021, 10 a.m. 29.5 ppb (28) 10.7 ppb (11) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.44 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 17, 2021, 9 a.m. 25.5 ppb (25) 4.8 ppb (5) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) 0.38 ppb (5) N/A 4.0 μg/m3 (17) 25.0
 
Oct. 17, 2021, 8 a.m. 20.4 ppb (20) 2.8 ppb (3) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (9) 0.36 ppb (5) N/A 3.0 μg/m3 (13) 20.0
 
Oct. 17, 2021, 7 a.m. 15.8 ppb (15) 1.1 ppb (2) N/A 15.0 ppb (15) N/A N/A 14.0 ppb (13) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 17, 2021, 6 a.m. 12.6 ppb (12) 1.6 ppb (2) N/A 11.0 ppb (11) N/A N/A N/A 0.37 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 17, 2021, 5 a.m. 10.4 ppb (10) 1.3 ppb (2) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) 0.29 ppb (4) N/A 2.0 μg/m3 (9) 19.0
 
Oct. 17, 2021, 4 a.m. 12.5 ppb (12) 2.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.33 ppb (4) N/A 3.0 μg/m3 (13) 19.0
 
Oct. 17, 2021, 3 a.m. 16.3 ppb (16) 4.0 ppb (4) N/A 12.0 ppb (12) N/A N/A 19.0 ppb (18) 0.38 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2021, 2 a.m. 29.6 ppb (28) 7.0 ppb (7) N/A 23.0 ppb (22) N/A N/A 13.0 ppb (13) 0.54 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 17, 2021, 1 a.m. 59.2 ppb (57) 23.7 ppb (23) N/A 35.0 ppb (34) N/A N/A 3.0 ppb (3) 0.91 ppb (11) N/A 10.0 μg/m3 (42) 57.0
 
Oct. 17, 2021, midnight 42.7 ppb (41) 11.4 ppb (11) N/A 31.0 ppb (30) N/A N/A 6.0 ppb (6) 0.81 ppb (10) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 16, 2021, 11 p.m. 25.6 ppb (25) 4.9 ppb (5) N/A 21.0 ppb (20) N/A N/A 18.0 ppb (17) 0.6 ppb (7) N/A 23.0 μg/m3 (74) 74.0
 
Oct. 16, 2021, 10 p.m. 18.7 ppb (18) 5.8 ppb (6) N/A 13.0 ppb (13) N/A N/A 28.0 ppb (26) 0.4 ppb (5) N/A 0.0 μg/m3 (0) 26.0
 
Oct. 16, 2021, 9 p.m. 15.6 ppb (15) 5.4 ppb (6) N/A 10.0 ppb (10) N/A N/A 32.0 ppb (30) 0.34 ppb (4) N/A 0.0 μg/m3 (0) 30.0
 
Oct. 16, 2021, 8 p.m. 11.2 ppb (11) 4.0 ppb (4) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) 0.29 ppb (4) N/A 3.0 μg/m3 (13) 31.0
 
Oct. 16, 2021, 7 p.m. 14.7 ppb (14) 5.9 ppb (6) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) 0.35 ppb (4) N/A 0.0 μg/m3 (0) 29.0
 
Oct. 16, 2021, 6 p.m. 13.1 ppb (13) 5.5 ppb (6) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.34 ppb (4) N/A 1.0 μg/m3 (5) 28.0
 
Oct. 16, 2021, 5 p.m. 14.7 ppb (14) 6.8 ppb (7) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
Oct. 16, 2021, 4 p.m. 16.4 ppb (16) 8.0 ppb (8) N/A 8.0 ppb (8) N/A N/A 21.0 ppb (20) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 20.0
 
Oct. 16, 2021, 3 p.m. 17.4 ppb (17) 9.0 ppb (9) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) 0.37 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2021, 2 p.m. 17.7 ppb (17) 8.3 ppb (8) N/A 9.0 ppb (9) N/A N/A 17.0 ppb (16) 0.37 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2021, 1 p.m. 14.0 ppb (14) 4.5 ppb (5) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) 0.28 ppb (4) N/A 3.0 μg/m3 (13) 14.0
 
Oct. 16, 2021, noon 14.4 ppb (14) 2.5 ppb (3) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) 0.27 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2021, 11 a.m. 12.9 ppb (13) 3.3 ppb (4) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 16, 2021, 10 a.m. 6.7 ppb (7) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (17) 0.22 ppb (3) N/A 2.0 μg/m3 (9) 17.0
 
Oct. 16, 2021, 9 a.m. 5.4 ppb (6) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (19) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 19.0
 
Oct. 16, 2021, 8 a.m. 10.4 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2021, 7 a.m. 9.3 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 16, 2021, 6 a.m. 10.4 ppb (10) 2.2 ppb (3) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) 0.3 ppb (4) N/A 3.0 μg/m3 (13) 16.0
 
Oct. 16, 2021, 5 a.m. 10.4 ppb (10) 3.7 ppb (4) N/A 7.0 ppb (7) N/A N/A 20.0 ppb (19) 0.31 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 16, 2021, 4 a.m. 13.3 ppb (13) 4.1 ppb (4) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) 0.32 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 16, 2021, 3 a.m. 15.3 ppb (15) 1.1 ppb (2) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2021, 2 a.m. 10.3 ppb (10) 0.9 ppb (1) 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
 
Oct. 16, 2021, 1 a.m. 12.4 ppb (12) 2.3 ppb (3) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) 0.31 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 16, 2021, midnight 26.2 ppb (25) 11.6 ppb (11) N/A 15.0 ppb (15) N/A N/A 13.0 ppb (13) 0.46 ppb (6) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 15, 2021, 11 p.m. 27.0 ppb (26) 13.8 ppb (14) N/A 13.0 ppb (13) N/A N/A 14.0 ppb (13) 0.49 ppb (6) N/A 5.0 μg/m3 (21) 26.0
 
Oct. 15, 2021, 10 p.m. 20.6 ppb (20) 10.2 ppb (10) N/A 10.0 ppb (10) N/A N/A 15.0 ppb (14) 0.37 ppb (5) N/A 3.0 μg/m3 (13) 20.0
 
Oct. 15, 2021, 9 p.m. 21.4 ppb (21) 10.6 ppb (10) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.38 ppb (5) N/A 3.0 μg/m3 (13) 21.0
 
Oct. 15, 2021, 8 p.m. 17.1 ppb (17) 7.9 ppb (8) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.33 ppb (4) N/A 3.0 μg/m3 (13) 22.0
 
Oct. 15, 2021, 7 p.m. 19.8 ppb (19) 9.4 ppb (9) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.34 ppb (4) N/A 2.0 μg/m3 (9) 20.0
 
Oct. 15, 2021, 6 p.m. 16.0 ppb (16) 6.9 ppb (7) N/A 9.0 ppb (9) N/A N/A 21.0 ppb (20) 0.27 ppb (4) N/A 1.0 μg/m3 (5) 20.0
 
Oct. 15, 2021, 5 p.m. 18.8 ppb (18) 9.9 ppb (10) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.29 ppb (4) N/A 1.0 μg/m3 (5) 22.0
 
Oct. 15, 2021, 4 p.m. 20.4 ppb (20) 10.6 ppb (10) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.32 ppb (4) N/A 2.0 μg/m3 (9) 20.0
 
Oct. 15, 2021, 3 p.m. 21.8 ppb (21) 12.4 ppb (12) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) 0.29 ppb (4) N/A 3.0 μg/m3 (13) 21.0
 
Oct. 15, 2021, 2 p.m. 30.7 ppb (29) 17.9 ppb (17) N/A 13.0 ppb (13) N/A N/A 10.0 ppb (10) 0.36 ppb (5) N/A 4.0 μg/m3 (17) 29.0
 
Oct. 15, 2021, 1 p.m. 61.4 ppb (59) 42.5 ppb (41) N/A 19.0 ppb (18) N/A N/A 4.0 ppb (4) 0.56 ppb (7) N/A 5.0 μg/m3 (21) 59.0
 
Oct. 15, 2021, noon 38.9 ppb (37) 20.7 ppb (20) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (3) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 37.0
 
Oct. 15, 2021, 11 a.m. 14.9 ppb (15) 2.1 ppb (2) N/A 13.0 ppb (13) N/A N/A 7.0 ppb (7) 0.25 ppb (3) N/A 3.0 μg/m3 (13) 15.0
 
Oct. 15, 2021, 10 a.m. 13.6 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (12) N/A N/A 9.0 ppb (9) 0.25 ppb (3) N/A 1.0 μg/m3 (5) 13.0
 
Oct. 15, 2021, 9 a.m. 10.7 ppb (11) 1.2 ppb (2) N/A 10.0 ppb (10) N/A N/A 12.0 ppb (12) 0.27 ppb (4) N/A -3.0 μg/m3 (0) 12.0
 
Oct. 15, 2021, 8 a.m. 11.8 ppb (12) 1.1 ppb (2) N/A 11.0 ppb (11) N/A N/A 11.0 ppb (11) 0.29 ppb (4) N/A 0.0 μg/m3 (0) 12.0
 
Oct. 15, 2021, 7 a.m. 18.4 ppb (18) 2.0 ppb (2) N/A 16.0 ppb (16) N/A N/A 6.0 ppb (6) 0.32 ppb (4) N/A 3.0 μg/m3 (13) 18.0
 
Oct. 15, 2021, 6 a.m. 16.2 ppb (16) 1.8 ppb (2) N/A 14.0 ppb (14) N/A N/A 8.0 ppb (8) 0.31 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 15, 2021, 5 a.m. 20.2 ppb (20) 3.0 ppb (3) N/A 17.0 ppb (17) N/A N/A 5.0 ppb (5) 0.39 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 15, 2021, 4 a.m. 17.8 ppb (17) 2.2 ppb (3) N/A 16.0 ppb (16) N/A N/A 9.0 ppb (9) 0.37 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 15, 2021, 3 a.m. 16.7 ppb (16) 4.0 ppb (4) N/A 13.0 ppb (13) N/A N/A 13.0 ppb (13) 0.37 ppb (5) N/A 2.0 μg/m3 (9) 16.0
 
Oct. 15, 2021, 2 a.m. 21.9 ppb (21) 6.8 ppb (7) N/A 15.0 ppb (15) N/A N/A 12.0 ppb (12) 0.42 ppb (5) N/A 3.0 μg/m3 (13) 21.0
 
Oct. 15, 2021, 1 a.m. 16.6 ppb (16) 1.6 ppb (2) N/A 15.0 ppb (15) N/A N/A 11.0 ppb (11) 0.39 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 15, 2021, midnight 23.3 ppb (22) 8.7 ppb (9) N/A 15.0 ppb (15) N/A N/A 12.0 ppb (12) 0.46 ppb (6) N/A 3.0 μg/m3 (13) 22.0
 
Oct. 14, 2021, 11 p.m. 32.4 ppb (31) 16.8 ppb (16) N/A 16.0 ppb (16) N/A N/A 12.0 ppb (12) 0.55 ppb (7) N/A 3.0 μg/m3 (13) 31.0
 
Oct. 14, 2021, 10 p.m. 25.5 ppb (25) 12.3 ppb (12) N/A 13.0 ppb (13) N/A N/A 17.0 ppb (16) 0.44 ppb (5) N/A 3.0 μg/m3 (13) 25.0
 
Oct. 14, 2021, 9 p.m. 9.5 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (21) 0.31 ppb (4) N/A 2.0 μg/m3 (9) 21.0
 
Oct. 14, 2021, 8 p.m. 15.9 ppb (15) 8.0 ppb (8) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) 0.33 ppb (4) N/A 0.0 μg/m3 (0) 17.0
 
Oct. 14, 2021, 7 p.m. 5.7 ppb (6) 2.3 ppb (3) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (18) 0.28 ppb (4) N/A 0.0 μg/m3 (0) 18.0
 
Oct. 14, 2021, 6 p.m. 5.3 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (16) 0.29 ppb (4) N/A 0.0 μg/m3 (0) 16.0
 
Oct. 14, 2021, 5 p.m. 5.4 ppb (6) 2.2 ppb (3) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (15) 0.29 ppb (4) N/A 0.0 μg/m3 (0) 15.0
 
Oct. 14, 2021, 4 p.m. 5.5 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (15) 0.28 ppb (4) N/A -1.0 μg/m3 (0) 15.0
 
Oct. 14, 2021, 3 p.m. 5.7 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (15) 0.3 ppb (4) N/A 0.0 μg/m3 (0) 15.0
 
Oct. 14, 2021, 2 p.m. 6.0 ppb (6) 2.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (13) 0.29 ppb (4) N/A 2.0 μg/m3 (9) 13.0
 
Oct. 14, 2021, 1 p.m. 6.9 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (13) 0.29 ppb (4) N/A 0.0 μg/m3 (0) 13.0
 
Oct. 14, 2021, noon 5.3 ppb (5) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (13) 0.27 ppb (4) N/A 2.0 μg/m3 (9) 13.0
 
Oct. 14, 2021, 11 a.m. 4.0 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (13) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2021, 10 a.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (14) 0.26 ppb (4) N/A -1.0 μg/m3 (0) 14.0
 
Oct. 14, 2021, 9 a.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (15) 0.24 ppb (3) N/A -1.0 μg/m3 (0) 15.0
 
Oct. 14, 2021, 8 a.m. 2.5 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (15) 0.22 ppb (3) N/A 1.0 μg/m3 (5) 15.0
 
Oct. 14, 2021, 7 a.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (18) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 18.0
 
Oct. 14, 2021, 6 a.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) 0.2 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Oct. 14, 2021, 5 a.m. 2.9 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) 0.19 ppb (3) N/A 2.0 μg/m3 (9) 23.0
 
Oct. 14, 2021, 4 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.19 ppb (3) N/A 0.0 μg/m3 (0) 24.0
 
Oct. 14, 2021, 3 a.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 25.0
 
Oct. 14, 2021, 2 a.m. 4.3 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 24.0
 
Oct. 14, 2021, 1 a.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (25) 0.21 ppb (3) N/A 2.0 μg/m3 (9) 25.0
 
Oct. 14, 2021, midnight 5.7 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 11 p.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) 0.27 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 10 p.m. 5.3 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) 0.27 ppb (4) N/A 5.0 μg/m3 (21) 26.0
 
Oct. 13, 2021, 9 p.m. 6.2 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) 0.28 ppb (4) N/A 4.0 μg/m3 (17) 26.0
 
Oct. 13, 2021, 8 p.m. 6.6 ppb (7) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.27 ppb (4) N/A 4.0 μg/m3 (17) 29.0
 
Oct. 13, 2021, 7 p.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.26 ppb (4) N/A 3.0 μg/m3 (13) 28.0
 
Oct. 13, 2021, 6 p.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 31.0
 
Oct. 13, 2021, 5 p.m. 4.9 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.25 ppb (3) N/A 2.0 μg/m3 (9) 29.0
 
Oct. 13, 2021, 4 p.m. 5.1 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.25 ppb (3) N/A 0.0 μg/m3 (0) 24.0
 
Oct. 13, 2021, 3 p.m. 5.9 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (19) 0.26 ppb (4) N/A 1.0 μg/m3 (5) 19.0
 
Oct. 13, 2021, 2 p.m. 9.4 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.29 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 13, 2021, 1 p.m. 13.2 ppb (13) 2.7 ppb (3) N/A 10.0 ppb (10) N/A N/A 11.0 ppb (11) 0.31 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 13, 2021, noon 10.8 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 9.0 ppb (9) 0.31 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 13, 2021, 11 a.m. 12.7 ppb (12) 3.4 ppb (4) N/A 9.0 ppb (9) N/A N/A 6.0 ppb (6) 0.31 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 13, 2021, 10 a.m. 17.1 ppb (17) 5.2 ppb (5) N/A 12.0 ppb (12) N/A N/A 2.0 ppb (2) 0.32 ppb (4) N/A 3.0 μg/m3 (13) 17.0
 
Oct. 13, 2021, 9 a.m. 16.1 ppb (16) 4.7 ppb (5) N/A 11.0 ppb (11) N/A N/A 2.0 ppb (2) 0.29 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 13, 2021, 8 a.m. 18.2 ppb (18) 6.2 ppb (6) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) 0.34 ppb (4) N/A 3.0 μg/m3 (13) 18.0
 
Oct. 13, 2021, 7 a.m. 16.6 ppb (16) 4.1 ppb (4) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 13, 2021, 6 a.m. 20.4 ppb (20) 6.2 ppb (6) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.37 ppb (5) N/A 2.0 μg/m3 (9) 20.0
 
Oct. 13, 2021, 5 a.m. 18.5 ppb (18) 4.2 ppb (4) N/A 14.0 ppb (14) N/A N/A 2.0 ppb (2) 0.38 ppb (5) N/A 3.0 μg/m3 (13) 18.0
 
Oct. 13, 2021, 4 a.m. 20.9 ppb (20) 5.6 ppb (6) N/A 15.0 ppb (15) N/A N/A 2.0 ppb (2) 0.46 ppb (6) N/A 4.0 μg/m3 (17) 20.0
 
Oct. 13, 2021, 3 a.m. 19.4 ppb (19) 5.2 ppb (5) N/A 14.0 ppb (14) N/A N/A 4.0 ppb (4) 0.41 ppb (5) N/A 1.0 μg/m3 (5) 19.0
 
Oct. 13, 2021, 2 a.m. 19.5 ppb (19) 6.7 ppb (7) N/A 13.0 ppb (13) N/A N/A 7.0 ppb (7) 0.36 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 13, 2021, 1 a.m. 16.2 ppb (16) 5.9 ppb (6) N/A 10.0 ppb (10) N/A N/A 10.0 ppb (10) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2021, midnight 25.2 ppb (24) 12.7 ppb (12) N/A 12.0 ppb (12) N/A N/A 9.0 ppb (9) 0.5 ppb (6) N/A 5.0 μg/m3 (21) 24.0
 
Oct. 12, 2021, 11 p.m. 35.8 ppb (34) 20.4 ppb (20) N/A 15.0 ppb (15) N/A N/A 8.0 ppb (8) 0.62 ppb (7) N/A 7.0 μg/m3 (30) 34.0
 
Oct. 12, 2021, 10 p.m. 39.7 ppb (38) 24.0 ppb (23) N/A 16.0 ppb (16) N/A N/A 9.0 ppb (9) 0.7 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 12, 2021, 9 p.m. 32.6 ppb (31) 18.9 ppb (18) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) 0.53 ppb (6) N/A 3.0 μg/m3 (13) 31.0
 
Oct. 12, 2021, 8 p.m. 39.7 ppb (38) 24.1 ppb (23) N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) 0.58 ppb (7) N/A 4.0 μg/m3 (17) 38.0
 
Oct. 12, 2021, 7 p.m. 35.8 ppb (34) 21.7 ppb (21) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) 0.5 ppb (6) N/A 3.0 μg/m3 (13) 34.0
 
Oct. 12, 2021, 6 p.m. 34.2 ppb (33) 20.5 ppb (20) N/A 14.0 ppb (14) N/A N/A 10.0 ppb (10) 0.46 ppb (6) N/A 0.0 μg/m3 (0) 33.0
 
Oct. 12, 2021, 5 p.m. 47.3 ppb (45) 31.6 ppb (30) N/A 16.0 ppb (16) N/A N/A 8.0 ppb (8) 0.47 ppb (6) N/A 3.0 μg/m3 (13) 45.0
 
Oct. 12, 2021, 4 p.m. 40.6 ppb (39) 25.6 ppb (25) N/A 15.0 ppb (15) N/A N/A 9.0 ppb (9) 0.47 ppb (6) N/A 4.0 μg/m3 (17) 39.0
 
Oct. 12, 2021, 3 p.m. 45.4 ppb (43) 29.1 ppb (28) N/A 16.0 ppb (16) N/A N/A 7.0 ppb (7) 0.46 ppb (6) N/A 4.0 μg/m3 (17) 43.0
 
Oct. 12, 2021, 2 p.m. 50.9 ppb (49) 32.7 ppb (31) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (6) 0.51 ppb (6) N/A 5.0 μg/m3 (21) 49.0
 
Oct. 12, 2021, 1 p.m. 46.6 ppb (44) 28.4 ppb (27) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (6) 0.55 ppb (7) N/A 3.0 μg/m3 (13) 44.0
 
Oct. 12, 2021, noon 37.9 ppb (36) 21.8 ppb (21) N/A 16.0 ppb (16) N/A N/A 9.0 ppb (9) 0.48 ppb (6) N/A 4.0 μg/m3 (17) 36.0
 
Oct. 12, 2021, 11 a.m. 36.0 ppb (34) 20.0 ppb (19) N/A 16.0 ppb (16) N/A N/A 11.0 ppb (11) 0.44 ppb (5) N/A 4.0 μg/m3 (17) 34.0
 
Oct. 12, 2021, 10 a.m. 20.9 ppb (20) 8.6 ppb (9) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) 0.3 ppb (4) N/A 4.0 μg/m3 (17) 20.0