ID: 1118

AQSQID: 295100085

Site Name: Blair Street

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

Updated: Sept. 20, 2020, 8:39 p.m.

Location: Saint Louis (Hyde Park), MO

Reporting: True, Located: True

Current AQI: 38.0

Saint Louis (Hyde Park) MO, US: 38.656449, -90.198548

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 20, 2020, 7 p.m. 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
Sept. 20, 2020, 6 p.m. 3.9 ppb (4) 1.1 ppb (1) 5.0 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) N/A 6.4 μg/m3 (27) 35.0
 
Sept. 20, 2020, 5 p.m. 3.3 ppb (3) 0.8 ppb (1) 4.7 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.17 ppb (2) N/A 1.8 μg/m3 (8) 32.0
 
Sept. 20, 2020, 4 p.m. 4.4 ppb (4) 1.3 ppb (1) 5.3 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.17 ppb (2) N/A 5.2 μg/m3 (22) 30.0
 
Sept. 20, 2020, 3 p.m. 6.3 ppb (6) 2.0 ppb (2) 7.1 ppb (7) 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
Sept. 20, 2020, 2 p.m. 9.9 ppb (9) 3.2 ppb (3) 10.5 ppb (10) 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2020, 1 p.m. 13.7 ppb (13) 3.5 ppb (3) 13.6 ppb (13) 10.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 20, 2020, noon 18.6 ppb (17) 2.9 ppb (3) 17.5 ppb (16) 16.0 ppb (15) N/A 0.0 ppb (0) 14.0 ppb (11) 0.24 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
Sept. 20, 2020, 11 a.m. 15.8 ppb (15) 0.5 ppb (0) 15.5 ppb (14) 16.0 ppb (15) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 20, 2020, 10 a.m. 15.1 ppb (14) 0.7 ppb (1) 13.9 ppb (13) 15.0 ppb (14) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 20, 2020, 9 a.m. 14.3 ppb (13) 0.4 ppb (0) 14.1 ppb (13) 14.0 ppb (13) N/A 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) N/A 12.1 μg/m3 (50) 50.0
 
Sept. 20, 2020, 8 a.m. 24.9 ppb (23) 1.5 ppb (1) 21.8 ppb (20) 24.0 ppb (22) N/A 0.0 ppb (0) N/A 0.27 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 20, 2020, 7 a.m. 17.1 ppb (16) 1.0 ppb (1) 16.7 ppb (15) 16.0 ppb (15) N/A 1.0 ppb (1) 17.0 ppb (13) 0.3 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2020, 6 a.m. 16.0 ppb (15) 0.7 ppb (1) 14.8 ppb (14) 16.0 ppb (15) N/A 1.0 ppb (1) 20.0 ppb (15) 0.28 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
Sept. 20, 2020, 5 a.m. 22.3 ppb (21) 1.4 ppb (1) 21.0 ppb (19) 21.0 ppb (19) N/A 1.0 ppb (1) 16.0 ppb (12) 0.41 ppb (5) N/A 14.7 μg/m3 (56) 56.0
 
Sept. 20, 2020, 4 a.m. 20.2 ppb (19) 1.0 ppb (1) 18.8 ppb (17) 19.0 ppb (18) N/A 0.0 ppb (0) 18.0 ppb (14) 0.36 ppb (4) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 20, 2020, 3 a.m. 29.2 ppb (27) 2.7 ppb (3) 27.5 ppb (25) 27.0 ppb (25) N/A 0.0 ppb (0) 12.0 ppb (9) 0.32 ppb (4) N/A 16.4 μg/m3 (59) 59.0
 
Sept. 20, 2020, 2 a.m. 24.9 ppb (23) 1.4 ppb (1) 22.8 ppb (21) 24.0 ppb (22) N/A 0.0 ppb (0) 16.0 ppb (12) 0.33 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 20, 2020, 1 a.m. 20.8 ppb (19) 1.2 ppb (1) 19.6 ppb (18) 20.0 ppb (19) N/A 0.0 ppb (0) 23.0 ppb (18) 0.29 ppb (3) N/A 4.1 μg/m3 (17) 19.0
 
Sept. 20, 2020, midnight 25.3 ppb (23) 2.4 ppb (2) 22.1 ppb (20) 23.0 ppb (21) N/A 0.0 ppb (0) 25.0 ppb (19) 0.26 ppb (3) N/A 3.3 μg/m3 (14) 23.0
 
Sept. 19, 2020, 11 p.m. 14.2 ppb (13) 1.1 ppb (1) 14.3 ppb (13) 13.0 ppb (12) N/A 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) N/A 3.0 μg/m3 (12) 26.0
 
Sept. 19, 2020, 10 p.m. 6.2 ppb (6) 1.3 ppb (1) 6.6 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) 0.19 ppb (2) N/A 2.8 μg/m3 (12) 32.0
 
Sept. 19, 2020, 9 p.m. 4.4 ppb (4) 0.8 ppb (1) 5.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) N/A 5.4 μg/m3 (23) 34.0
 
Sept. 19, 2020, 8 p.m. 3.6 ppb (3) 1.0 ppb (1) 4.6 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 34.0
 
Sept. 19, 2020, 7 p.m. 3.4 ppb (3) 1.0 ppb (1) 4.7 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) N/A 4.4 μg/m3 (18) 33.0
 
Sept. 19, 2020, 6 p.m. 3.4 ppb (3) 1.0 ppb (1) 4.3 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.14 ppb (2) N/A 3.9 μg/m3 (16) 32.0
 
Sept. 19, 2020, 5 p.m. 4.4 ppb (4) 1.4 ppb (1) 5.6 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.18 ppb (2) N/A 3.4 μg/m3 (14) 30.0
 
Sept. 19, 2020, 4 p.m. 5.0 ppb (5) 1.8 ppb (2) 5.9 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) N/A 5.2 μg/m3 (22) 26.0
 
Sept. 19, 2020, 3 p.m. 9.1 ppb (8) 3.8 ppb (4) 9.8 ppb (9) 6.0 ppb (6) N/A 1.0 ppb (1) 27.0 ppb (21) 0.18 ppb (2) N/A 2.5 μg/m3 (10) 21.0
 
Sept. 19, 2020, 2 p.m. 10.7 ppb (10) 4.4 ppb (4) 11.0 ppb (10) 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) 0.18 ppb (2) N/A 3.2 μg/m3 (13) 17.0
 
Sept. 19, 2020, 1 p.m. 16.7 ppb (15) 5.7 ppb (5) 17.5 ppb (16) 11.0 ppb (10) N/A 1.0 ppb (1) 16.0 ppb (12) 0.21 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 19, 2020, noon 16.1 ppb (15) 2.8 ppb (3) 15.0 ppb (14) 13.0 ppb (12) N/A 2.0 ppb (3) 13.0 ppb (10) 0.22 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 19, 2020, 11 a.m. 12.8 ppb (12) 0.4 ppb (0) 11.8 ppb (11) 13.0 ppb (12) N/A 2.0 ppb (3) 15.0 ppb (12) 0.19 ppb (2) N/A 1.4 μg/m3 (6) 12.0
 
Sept. 19, 2020, 10 a.m. 16.2 ppb (15) 0.7 ppb (1) 14.4 ppb (13) 16.0 ppb (15) N/A 2.0 ppb (3) 14.0 ppb (11) 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 9 a.m. 10.6 ppb (10) 0.7 ppb (1) 9.7 ppb (9) 10.0 ppb (9) N/A 4.0 ppb (6) 21.0 ppb (16) 0.34 ppb (4) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 19, 2020, 8 a.m. 5.8 ppb (5) 0.6 ppb (1) 5.4 ppb (5) 5.0 ppb (5) N/A 2.0 ppb (3) 26.0 ppb (20) 0.28 ppb (3) N/A 1.8 μg/m3 (8) 20.0
 
Sept. 19, 2020, 7 a.m. 9.2 ppb (9) 0.8 ppb (1) 7.5 ppb (7) 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) N/A 2.8 μg/m3 (12) 19.0
 
Sept. 19, 2020, 6 a.m. 11.6 ppb (11) 1.3 ppb (1) 10.8 ppb (10) 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 19, 2020, 5 a.m. 7.8 ppb (7) 1.0 ppb (1) 7.2 ppb (7) 7.0 ppb (6) N/A 2.0 ppb (3) 27.0 ppb (21) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 19, 2020, 4 a.m. 9.3 ppb (9) 1.3 ppb (1) 9.3 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) N/A 3.2 μg/m3 (13) 20.0
 
Sept. 19, 2020, 3 a.m. 17.9 ppb (17) 2.2 ppb (2) 16.6 ppb (15) 16.0 ppb (15) N/A 7.0 ppb (10) 21.0 ppb (16) 0.32 ppb (4) N/A 15.7 μg/m3 (58) 58.0
 
Sept. 19, 2020, 2 a.m. 17.5 ppb (16) 0.9 ppb (1) 16.8 ppb (16) 17.0 ppb (16) N/A 2.0 ppb (3) 19.0 ppb (15) 0.28 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 19, 2020, 1 a.m. 23.8 ppb (22) 2.6 ppb (2) 22.4 ppb (21) 21.0 ppb (19) N/A 4.0 ppb (6) 18.0 ppb (14) 0.26 ppb (3) N/A 11.7 μg/m3 (49) 49.0
 
Sept. 19, 2020, midnight 20.5 ppb (19) 3.4 ppb (3) 19.5 ppb (18) 17.0 ppb (16) N/A 1.0 ppb (1) 24.0 ppb (18) 0.22 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2020, 11 p.m. 9.9 ppb (9) 0.9 ppb (1) 9.9 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
Sept. 18, 2020, 10 p.m. 7.3 ppb (7) 1.3 ppb (1) 8.0 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 37.0 ppb (28) 0.21 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 18, 2020, 9 p.m. 7.1 ppb (7) 1.8 ppb (2) 8.1 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.22 ppb (2) N/A 8.7 μg/m3 (36) 36.0
 
Sept. 18, 2020, 8 p.m. 8.0 ppb (7) 2.5 ppb (2) 8.9 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.22 ppb (2) N/A 11.1 μg/m3 (46) 46.0
 
Sept. 18, 2020, 7 p.m. 6.4 ppb (6) 2.1 ppb (2) 7.2 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 6 p.m. 9.0 ppb (8) 3.3 ppb (3) 9.7 ppb (9) 6.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) 0.19 ppb (2) N/A 4.2 μg/m3 (18) 25.0
 
Sept. 18, 2020, 5 p.m. 10.2 ppb (9) 4.2 ppb (4) 10.8 ppb (10) 6.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) 0.21 ppb (2) N/A 4.7 μg/m3 (20) 22.0
 
Sept. 18, 2020, 4 p.m. 9.4 ppb (9) 4.1 ppb (4) 9.8 ppb (9) 6.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.18 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 18, 2020, 3 p.m. 15.2 ppb (14) 6.9 ppb (6) 14.9 ppb (14) 9.0 ppb (8) N/A 2.0 ppb (3) 21.0 ppb (16) 0.24 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 18, 2020, 2 p.m. 19.3 ppb (18) 8.8 ppb (8) 19.3 ppb (18) 11.0 ppb (10) N/A 2.0 ppb (3) 13.0 ppb (10) 0.25 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 18, 2020, 1 p.m. 20.5 ppb (19) 7.8 ppb (7) 20.1 ppb (19) 13.0 ppb (12) N/A 1.0 ppb (1) 11.0 ppb (8) 0.2 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 18, 2020, noon 20.8 ppb (19) 5.4 ppb (5) 19.6 ppb (18) 16.0 ppb (15) N/A 1.0 ppb (1) 10.0 ppb (8) 0.26 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 18, 2020, 11 a.m. 17.1 ppb (16) 2.7 ppb (3) 16.1 ppb (15) 15.0 ppb (14) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 18, 2020, 10 a.m. 8.9 ppb (8) 0.5 ppb (0) 8.3 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) 0.16 ppb (2) N/A 3.7 μg/m3 (15) 15.0
 
Sept. 18, 2020, 9 a.m. 6.4 ppb (6) 0.3 ppb (0) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.16 ppb (2) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 18, 2020, 8 a.m. 9.4 ppb (9) 0.4 ppb (0) 8.5 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 18, 2020, 7 a.m. 10.0 ppb (9) 0.4 ppb (0) 9.4 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 18, 2020, 6 a.m. 6.9 ppb (6) 0.3 ppb (0) 6.7 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) N/A 14.3 μg/m3 (55) 55.0
 
Sept. 18, 2020, 5 a.m. 6.8 ppb (6) 0.3 ppb (0) 7.1 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.26 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 18, 2020, 4 a.m. 7.1 ppb (7) 0.3 ppb (0) 7.3 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.27 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 18, 2020, 3 a.m. 13.3 ppb (12) 0.3 ppb (0) 13.2 ppb (12) 13.0 ppb (12) N/A 1.0 ppb (1) 28.0 ppb (22) 0.32 ppb (4) N/A 23.4 μg/m3 (74) 74.0
 
Sept. 18, 2020, 2 a.m. 7.5 ppb (7) 0.3 ppb (0) 7.7 ppb (7) 8.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (24) 0.32 ppb (4) N/A 23.4 μg/m3 (74) 74.0
 
Sept. 18, 2020, 1 a.m. 9.5 ppb (9) 0.5 ppb (0) 9.4 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) 0.34 ppb (4) N/A 20.8 μg/m3 (69) 69.0
 
Sept. 18, 2020, midnight 10.2 ppb (9) 0.3 ppb (0) 10.2 ppb (9) 10.0 ppb (9) N/A 1.0 ppb (1) 29.0 ppb (22) 0.3 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2020, 11 p.m. 5.4 ppb (5) 0.3 ppb (0) 6.1 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.28 ppb (3) N/A 21.0 μg/m3 (69) 69.0
 
Sept. 17, 2020, 10 p.m. 5.2 ppb (5) 0.4 ppb (0) 6.1 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.32 ppb (4) N/A 25.9 μg/m3 (80) 80.0
 
Sept. 17, 2020, 9 p.m. 4.4 ppb (4) 0.4 ppb (0) 5.7 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.35 ppb (4) N/A 27.4 μg/m3 (83) 83.0
 
Sept. 17, 2020, 8 p.m. 6.3 ppb (6) 1.2 ppb (1) 7.1 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.38 ppb (4) N/A 30.3 μg/m3 (89) 89.0
 
Sept. 17, 2020, 7 p.m. 5.0 ppb (5) 1.1 ppb (1) 6.5 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (29) 0.33 ppb (4) N/A 20.1 μg/m3 (67) 67.0
 
Sept. 17, 2020, 6 p.m. 4.9 ppb (5) 1.4 ppb (1) 6.1 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.43 ppb (5) N/A 16.5 μg/m3 (60) 60.0
 
Sept. 17, 2020, 5 p.m. 3.1 ppb (3) 0.7 ppb (1) 4.9 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.25 ppb (3) N/A 11.6 μg/m3 (48) 48.0
 
Sept. 17, 2020, 4 p.m. 4.6 ppb (4) 1.8 ppb (2) 5.7 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.29 ppb (3) N/A 19.9 μg/m3 (67) 67.0
 
Sept. 17, 2020, 3 p.m. 6.5 ppb (6) 2.5 ppb (2) 7.1 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) 0.31 ppb (3) N/A 18.6 μg/m3 (64) 64.0
 
Sept. 17, 2020, 2 p.m. 9.8 ppb (9) 4.3 ppb (4) 8.7 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.36 ppb (4) N/A 18.1 μg/m3 (63) 63.0
 
Sept. 17, 2020, 1 p.m. 12.6 ppb (12) 4.7 ppb (4) 12.7 ppb (12) 8.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (8) 0.37 ppb (4) N/A 16.3 μg/m3 (59) 59.0
 
Sept. 17, 2020, noon 18.4 ppb (17) 5.1 ppb (5) 17.7 ppb (16) 13.0 ppb (12) N/A 0.0 ppb (0) 4.0 ppb (3) 0.41 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2020, 11 a.m. 14.4 ppb (13) 1.6 ppb (1) 14.3 ppb (13) 13.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (5) 0.23 ppb (3) N/A 20.3 μg/m3 (68) 68.0
 
Sept. 17, 2020, 10 a.m. 15.3 ppb (14) 0.3 ppb (0) 15.2 ppb (14) 15.0 ppb (14) N/A 0.0 ppb (0) 10.0 ppb (8) 0.29 ppb (3) N/A 12.5 μg/m3 (51) 51.0
 
Sept. 17, 2020, 9 a.m. 20.4 ppb (19) 0.6 ppb (1) 20.6 ppb (19) 20.0 ppb (19) N/A 0.0 ppb (0) 6.0 ppb (5) 0.59 ppb (7) N/A 15.9 μg/m3 (58) 58.0
 
Sept. 17, 2020, 8 a.m. 28.7 ppb (27) 3.0 ppb (3) 28.9 ppb (27) 26.0 ppb (24) N/A 0.0 ppb (0) 2.0 ppb (2) 0.86 ppb (10) N/A 13.8 μg/m3 (54) 54.0
 
Sept. 17, 2020, 7 a.m. 36.4 ppb (34) 7.1 ppb (7) 35.2 ppb (33) 30.0 ppb (28) N/A 0.0 ppb (0) 1.0 ppb (1) 0.94 ppb (10) N/A 16.1 μg/m3 (59) 59.0
 
Sept. 17, 2020, 6 a.m. 46.2 ppb (43) 15.8 ppb (15) 44.8 ppb (41) 31.0 ppb (29) N/A 0.0 ppb (0) 1.0 ppb (1) 1.07 ppb (12) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2020, 5 a.m. 43.3 ppb (40) 8.6 ppb (8) 43.6 ppb (40) 35.0 ppb (32) N/A 0.0 ppb (0) 1.0 ppb (1) 1.3 ppb (14) N/A 20.9 μg/m3 (69) 69.0
 
Sept. 17, 2020, 4 a.m. 50.8 ppb (47) 14.6 ppb (14) 50.2 ppb (46) 36.0 ppb (33) N/A 0.0 ppb (0) 1.0 ppb (1) 1.16 ppb (13) N/A 20.6 μg/m3 (68) 68.0
 
Sept. 17, 2020, 3 a.m. 51.9 ppb (48) 14.3 ppb (13) 53.0 ppb (49) 38.0 ppb (35) N/A 0.0 ppb (0) 1.0 ppb (1) 1.06 ppb (12) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2020, 2 a.m. 40.1 ppb (37) 2.2 ppb (2) 38.8 ppb (36) 38.0 ppb (35) N/A 1.0 ppb (1) 5.0 ppb (4) 0.81 ppb (9) N/A 13.8 μg/m3 (54) 54.0
 
Sept. 17, 2020, 1 a.m. 41.3 ppb (38) 1.6 ppb (1) 38.3 ppb (35) 40.0 ppb (37) N/A 1.0 ppb (1) 7.0 ppb (5) 0.75 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 17, 2020, midnight 30.7 ppb (28) 0.4 ppb (0) 31.0 ppb (29) 31.0 ppb (29) N/A 1.0 ppb (1) 22.0 ppb (17) 0.47 ppb (5) N/A 12.1 μg/m3 (50) 50.0
 
Sept. 16, 2020, 11 p.m. 13.1 ppb (12) 0.4 ppb (0) 14.4 ppb (13) 13.0 ppb (12) N/A 1.0 ppb (1) 46.0 ppb (35) 0.27 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
Sept. 16, 2020, 10 p.m. 11.9 ppb (11) 0.4 ppb (0) 13.6 ppb (13) 12.0 ppb (11) N/A 1.0 ppb (1) 50.0 ppb (38) 0.25 ppb (3) N/A 9.2 μg/m3 (38) 38.0
 
Sept. 16, 2020, 9 p.m. 8.3 ppb (8) 0.8 ppb (1) 10.7 ppb (10) 8.0 ppb (7) N/A 1.0 ppb (1) 54.0 ppb (42) 0.23 ppb (3) N/A 7.6 μg/m3 (32) 42.0
 
Sept. 16, 2020, 8 p.m. 6.9 ppb (6) 1.1 ppb (1) 9.4 ppb (9) 6.0 ppb (6) N/A 1.0 ppb (1) 56.0 ppb (43) 0.27 ppb (3) N/A 8.6 μg/m3 (36) 43.0
 
Sept. 16, 2020, 7 p.m. 9.9 ppb (9) 1.9 ppb (2) 12.9 ppb (12) 8.0 ppb (7) N/A 1.0 ppb (1) 50.0 ppb (38) 0.27 ppb (3) N/A 12.4 μg/m3 (51) 51.0
 
Sept. 16, 2020, 6 p.m. 12.0 ppb (11) 2.9 ppb (3) 14.0 ppb (13) 9.0 ppb (8) N/A 1.0 ppb (1) 43.0 ppb (33) 0.3 ppb (3) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 16, 2020, 5 p.m. 14.7 ppb (14) 3.5 ppb (3) 16.4 ppb (15) 11.0 ppb (10) N/A 5.0 ppb (7) 33.0 ppb (25) 0.31 ppb (3) N/A 10.6 μg/m3 (44) 44.0
 
Sept. 16, 2020, 4 p.m. 53.5 ppb (50) 23.0 ppb (21) 52.7 ppb (49) 31.0 ppb (29) N/A 2.0 ppb (3) N/A 0.41 ppb (5) N/A 18.2 μg/m3 (63) 63.0
 
Sept. 16, 2020, 3 p.m. 85.1 ppb (83) 48.8 ppb (45) 85.2 ppb (83) 36.0 ppb (33) N/A 1.0 ppb (1) N/A 0.45 ppb (5) N/A 32.1 μg/m3 (93) 93.0
 
Sept. 16, 2020, 2 p.m. 93.9 ppb (92) 59.6 ppb (56) 94.5 ppb (93) 34.0 ppb (31) N/A 1.0 ppb (1) 3.0 ppb (2) 0.46 ppb (5) N/A 30.9 μg/m3 (90) 93.0
 
Sept. 16, 2020, 1 p.m. 84.1 ppb (82) 53.7 ppb (50) 85.4 ppb (83) 30.0 ppb (28) N/A 1.0 ppb (1) 2.0 ppb (2) 0.34 ppb (4) N/A 26.1 μg/m3 (80) 83.0
 
Sept. 16, 2020, noon 68.6 ppb (66) 43.1 ppb (40) 76.1 ppb (74) 26.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 37.5 μg/m3 (105) 105.0
 
Sept. 16, 2020, 11 a.m. 24.6 ppb (23) 5.5 ppb (5) 27.1 ppb (25) 19.0 ppb (18) N/A 0.0 ppb (0) 4.0 ppb (3) 0.44 ppb (5) N/A 14.7 μg/m3 (56) 56.0
 
Sept. 16, 2020, 10 a.m. 17.2 ppb (16) 1.1 ppb (1) 19.5 ppb (18) 16.0 ppb (15) N/A 0.0 ppb (0) 8.0 ppb (6) 0.26 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 16, 2020, 9 a.m. 8.6 ppb (8) 1.1 ppb (1) 7.9 ppb (7) 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 16, 2020, 8 a.m. 10.0 ppb (9) 0.3 ppb (0) 9.8 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 16, 2020, 7 a.m. 20.5 ppb (19) 0.7 ppb (1) 19.5 ppb (18) 20.0 ppb (19) N/A 0.0 ppb (0) 12.0 ppb (9) 0.21 ppb (2) N/A 8.7 μg/m3 (36) 36.0
 
Sept. 16, 2020, 6 a.m. 22.6 ppb (21) 0.7 ppb (1) 21.4 ppb (20) 22.0 ppb (20) N/A 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 16, 2020, 5 a.m. 21.9 ppb (20) 0.9 ppb (1) 21.6 ppb (20) 21.0 ppb (19) N/A 0.0 ppb (0) 13.0 ppb (10) 0.26 ppb (3) N/A 9.2 μg/m3 (38) 38.0
 
Sept. 16, 2020, 4 a.m. 16.6 ppb (15) 1.0 ppb (1) 15.5 ppb (14) 16.0 ppb (15) N/A 0.0 ppb (0) 20.0 ppb (15) 0.31 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
Sept. 16, 2020, 3 a.m. 33.7 ppb (31) 3.6 ppb (3) 31.7 ppb (29) 30.0 ppb (28) N/A 0.0 ppb (0) 8.0 ppb (6) 0.37 ppb (4) N/A 13.5 μg/m3 (53) 53.0
 
Sept. 16, 2020, 2 a.m. 56.7 ppb (53) 18.9 ppb (18) 52.8 ppb (49) 38.0 ppb (35) N/A 0.0 ppb (0) 2.0 ppb (2) 0.4 ppb (4) N/A 0.4 μg/m3 (2) 53.0
 
Sept. 16, 2020, 1 a.m. 48.5 ppb (45) 10.8 ppb (10) 46.1 ppb (43) 38.0 ppb (35) N/A 0.0 ppb (0) 3.0 ppb (2) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 45.0
 
Sept. 16, 2020, midnight 37.2 ppb (34) 4.6 ppb (4) 36.1 ppb (33) 33.0 ppb (31) N/A 0.0 ppb (0) 11.0 ppb (8) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 34.0
 
Sept. 15, 2020, 11 p.m. 19.8 ppb (18) 1.2 ppb (1) 20.2 ppb (19) 19.0 ppb (18) N/A 0.0 ppb (0) 27.0 ppb (21) 0.26 ppb (3) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 15, 2020, 10 p.m. 8.5 ppb (8) 1.0 ppb (1) 9.1 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.21 ppb (2) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 15, 2020, 9 p.m. 8.8 ppb (8) 1.3 ppb (1) 9.8 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 41.0 ppb (32) 0.23 ppb (3) N/A 6.6 μg/m3 (28) 32.0
 
Sept. 15, 2020, 8 p.m. 7.2 ppb (7) 1.4 ppb (1) 8.7 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A 5.6 μg/m3 (23) 33.0
 
Sept. 15, 2020, 7 p.m. 9.5 ppb (9) 2.3 ppb (2) 10.2 ppb (9) 7.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A 6.8 μg/m3 (28) 31.0
 
Sept. 15, 2020, 6 p.m. 8.4 ppb (8) 2.1 ppb (2) 10.5 ppb (10) 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) N/A 5.2 μg/m3 (22) 29.0
 
Sept. 15, 2020, 5 p.m. 7.4 ppb (7) 2.2 ppb (2) 9.0 ppb (8) 5.0 ppb (5) N/A 1.0 ppb (1) 34.0 ppb (26) 0.19 ppb (2) N/A 4.3 μg/m3 (18) 26.0
 
Sept. 15, 2020, 4 p.m. 8.0 ppb (7) 2.3 ppb (2) 8.8 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 15, 2020, 3 p.m. 9.8 ppb (9) 3.0 ppb (3) 10.2 ppb (9) 7.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.2 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
Sept. 15, 2020, 2 p.m. 17.9 ppb (17) 7.0 ppb (6) 19.1 ppb (18) 11.0 ppb (10) N/A 1.0 ppb (1) 15.0 ppb (12) 0.23 ppb (3) N/A N/A 18.0
 
Sept. 15, 2020, 1 p.m. 21.5 ppb (20) 7.8 ppb (7) 20.8 ppb (19) 14.0 ppb (13) N/A 1.0 ppb (1) 11.0 ppb (8) 0.23 ppb (3) N/A N/A 20.0
 
Sept. 15, 2020, noon 36.1 ppb (33) 15.1 ppb (14) 34.4 ppb (32) 21.0 ppb (19) N/A 1.0 ppb (1) 5.0 ppb (4) 0.26 ppb (3) N/A N/A 33.0
 
Sept. 15, 2020, 11 a.m. 30.9 ppb (29) 10.7 ppb (10) 29.6 ppb (27) 20.0 ppb (19) N/A 1.0 ppb (1) 5.0 ppb (4) 0.29 ppb (3) N/A 6.6 μg/m3 (28) 29.0
 
Sept. 15, 2020, 10 a.m. 26.4 ppb (24) 6.6 ppb (6) 24.7 ppb (23) 20.0 ppb (19) N/A 1.0 ppb (1) 6.0 ppb (5) 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2020, 9 a.m. 26.2 ppb (24) 3.4 ppb (3) 25.1 ppb (23) 23.0 ppb (21) N/A 1.0 ppb (1) 4.0 ppb (3) 0.24 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Sept. 15, 2020, 8 a.m. 20.8 ppb (19) 2.1 ppb (2) 20.4 ppb (19) 19.0 ppb (18) N/A 0.0 ppb (0) 9.0 ppb (7) 0.23 ppb (3) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 15, 2020, 7 a.m. 16.9 ppb (16) 1.0 ppb (1) 15.7 ppb (15) 16.0 ppb (15) N/A 0.0 ppb (0) 13.0 ppb (10) 0.19 ppb (2) N/A 3.4 μg/m3 (14) 16.0
 
Sept. 15, 2020, 6 a.m. 12.3 ppb (11) 0.7 ppb (1) 11.4 ppb (11) 12.0 ppb (11) N/A 0.0 ppb (0) 17.0 ppb (13) 0.19 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 15, 2020, 5 a.m. 12.7 ppb (12) 0.5 ppb (0) 12.2 ppb (11) 12.0 ppb (11) N/A 1.0 ppb (1) 18.0 ppb (14) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2020, 4 a.m. 11.4 ppb (11) 1.0 ppb (1) 11.3 ppb (10) 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) 0.29 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Sept. 15, 2020, 3 a.m. 13.4 ppb (12) 1.9 ppb (2) 12.8 ppb (12) 12.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) N/A 2.5 μg/m3 (10) 17.0
 
Sept. 15, 2020, 2 a.m. 14.0 ppb (13) 1.9 ppb (2) 13.0 ppb (12) 12.0 ppb (11) N/A 1.0 ppb (1) 23.0 ppb (18) 0.24 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 15, 2020, 1 a.m. 29.3 ppb (27) 3.5 ppb (3) 26.3 ppb (24) 26.0 ppb (24) N/A 2.0 ppb (3) 14.0 ppb (11) 0.3 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
Sept. 15, 2020, midnight 27.5 ppb (25) 3.6 ppb (3) 25.3 ppb (23) 24.0 ppb (22) N/A 2.0 ppb (3) 16.0 ppb (12) 0.34 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 14, 2020, 11 p.m. 14.4 ppb (13) 2.3 ppb (2) 13.7 ppb (13) 12.0 ppb (11) N/A 0.0 ppb (0) 28.0 ppb (22) 0.23 ppb (3) N/A 3.5 μg/m3 (15) 22.0
 
Sept. 14, 2020, 10 p.m. 13.4 ppb (12) 2.6 ppb (2) 13.5 ppb (12) 11.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (24) 0.22 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 14, 2020, 9 p.m. 10.5 ppb (10) 2.5 ppb (2) 10.5 ppb (10) 8.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (26) 0.21 ppb (2) N/A 4.2 μg/m3 (18) 26.0
 
Sept. 14, 2020, 8 p.m. 11.2 ppb (10) 3.1 ppb (3) 11.7 ppb (11) 8.0 ppb (7) N/A 1.0 ppb (1) 36.0 ppb (28) 0.22 ppb (2) N/A 7.5 μg/m3 (31) 31.0
 
Sept. 14, 2020, 7 p.m. 11.8 ppb (11) 3.8 ppb (4) 12.4 ppb (11) 8.0 ppb (7) N/A 1.0 ppb (1) 36.0 ppb (28) 0.23 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 14, 2020, 6 p.m. 8.7 ppb (8) 2.5 ppb (2) 9.7 ppb (9) 6.0 ppb (6) N/A 1.0 ppb (1) 41.0 ppb (32) 0.21 ppb (2) N/A 5.6 μg/m3 (23) 32.0
 
Sept. 14, 2020, 5 p.m. 7.7 ppb (7) 2.4 ppb (2) 9.8 ppb (9) 6.0 ppb (6) N/A 1.0 ppb (1) 41.0 ppb (32) 0.22 ppb (2) N/A 5.7 μg/m3 (24) 32.0
 
Sept. 14, 2020, 4 p.m. 9.7 ppb (9) 3.1 ppb (3) 10.9 ppb (10) 7.0 ppb (6) N/A 1.0 ppb (1) 37.0 ppb (28) 0.23 ppb (3) N/A 5.5 μg/m3 (23) 28.0
 
Sept. 14, 2020, 3 p.m. 11.8 ppb (11) 4.6 ppb (4) 13.5 ppb (12) 7.0 ppb (6) N/A 1.0 ppb (1) 30.0 ppb (23) 0.22 ppb (2) N/A 4.8 μg/m3 (20) 23.0
 
Sept. 14, 2020, 2 p.m. 19.3 ppb (18) 8.1 ppb (8) 19.2 ppb (18) 11.0 ppb (10) N/A 3.0 ppb (4) 20.0 ppb (15) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2020, 1 p.m. 31.3 ppb (29) 14.9 ppb (14) 30.7 ppb (28) 17.0 ppb (16) N/A 3.0 ppb (4) 8.0 ppb (6) 0.42 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2020, noon 24.3 ppb (23) 7.3 ppb (7) 22.6 ppb (21) 17.0 ppb (16) N/A 1.0 ppb (1) 6.0 ppb (5) 0.36 ppb (4) N/A 7.1 μg/m3 (30) 30.0
 
Sept. 14, 2020, 11 a.m. 30.5 ppb (28) 10.1 ppb (9) 29.0 ppb (27) 21.0 ppb (19) N/A 1.0 ppb (1) 2.0 ppb (2) 0.41 ppb (5) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 14, 2020, 10 a.m. 15.8 ppb (15) 1.2 ppb (1) 15.3 ppb (14) 15.0 ppb (14) N/A 0.0 ppb (0) 7.0 ppb (5) 0.19 ppb (2) N/A 2.5 μg/m3 (10) 15.0
 
Sept. 14, 2020, 9 a.m. 7.2 ppb (7) 0.3 ppb (0) 6.8 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.19 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 14, 2020, 8 a.m. 5.7 ppb (5) 0.3 ppb (0) 5.6 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.18 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 14, 2020, 7 a.m. 6.7 ppb (6) 0.3 ppb (0) 6.4 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.19 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2020, 6 a.m. 9.3 ppb (9) 0.3 ppb (0) 8.7 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) 0.19 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 14, 2020, 5 a.m. 12.7 ppb (12) 0.3 ppb (0) 11.5 ppb (11) 13.0 ppb (12) N/A 0.0 ppb (0) 14.0 ppb (11) 0.27 ppb (3) N/A 8.7 μg/m3 (36) 36.0
 
Sept. 14, 2020, 4 a.m. 14.7 ppb (14) 0.3 ppb (0) 14.0 ppb (13) 15.0 ppb (14) N/A 0.0 ppb (0) 11.0 ppb (8) 0.31 ppb (3) N/A 3.4 μg/m3 (14) 14.0
 
Sept. 14, 2020, 3 a.m. 12.1 ppb (11) 0.3 ppb (0) 11.2 ppb (10) 12.0 ppb (11) N/A 0.0 ppb (0) 15.0 ppb (12) 0.29 ppb (3) N/A 1.1 μg/m3 (5) 12.0
 
Sept. 14, 2020, 2 a.m. 16.4 ppb (15) 0.7 ppb (1) 15.1 ppb (14) 16.0 ppb (15) N/A 0.0 ppb (0) 14.0 ppb (11) 0.33 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 14, 2020, 1 a.m. 14.8 ppb (14) 0.8 ppb (1) 12.7 ppb (12) 14.0 ppb (13) N/A 0.0 ppb (0) 17.0 ppb (13) 0.31 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 14, 2020, midnight 9.0 ppb (8) 0.4 ppb (0) 8.4 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) N/A 3.8 μg/m3 (16) 18.0
 
Sept. 13, 2020, 11 p.m. 5.4 ppb (5) 0.3 ppb (0) 5.4 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.19 ppb (2) N/A 3.4 μg/m3 (14) 22.0
 
Sept. 13, 2020, 10 p.m. 2.4 ppb (2) 0.3 ppb (0) 3.1 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) N/A 4.9 μg/m3 (20) 25.0
 
Sept. 13, 2020, 9 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) N/A 1.6 μg/m3 (7) 25.0
 
Sept. 13, 2020, 8 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) N/A 5.5 μg/m3 (23) 25.0