ID: 2261

AQSQID: 290950042

Site Name: Blue Ridge I-70

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

Updated: May 17, 2022, 8:03 p.m.

Location: Kansas City (Ashland Ridge), MO

Reporting: True, Located: True

Current AQI: 27.0

Kansas City (Ashland Ridge) MO, US: 39.047911, -94.450513

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 17, 2022, 6 p.m. 18.2 ppb (18) 8.4 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.23 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
May 17, 2022, 5 p.m. 24.0 ppb (23) 11.5 ppb (11) N/A 12.0 ppb (12) N/A N/A N/A 0.35 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
May 17, 2022, 5 p.m. 24.0 ppb (23) 11.5 ppb (11) N/A 12.0 ppb (12) N/A N/A N/A 0.35 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
May 17, 2022, 4 p.m. 23.8 ppb (23) 12.1 ppb (12) N/A 12.0 ppb (12) N/A N/A N/A 0.36 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 17, 2022, 4 p.m. 23.8 ppb (23) 12.1 ppb (12) N/A 12.0 ppb (12) N/A N/A N/A 0.36 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 17, 2022, 3 p.m. 24.8 ppb (24) 13.1 ppb (13) N/A 12.0 ppb (12) N/A N/A N/A 0.34 ppb (4) N/A 8.7 μg/m3 (37) 37.0
 
May 17, 2022, 3 p.m. 24.8 ppb (24) 13.1 ppb (13) N/A 12.0 ppb (12) N/A N/A N/A 0.34 ppb (4) N/A 8.7 μg/m3 (37) 37.0
 
May 17, 2022, 2 p.m. 30.5 ppb (29) 16.5 ppb (16) N/A 14.0 ppb (14) N/A N/A N/A 0.34 ppb (4) N/A 8.2 μg/m3 (35) 35.0
 
May 17, 2022, 2 p.m. 30.5 ppb (29) 16.5 ppb (16) N/A 14.0 ppb (14) N/A N/A N/A 0.34 ppb (4) N/A 8.2 μg/m3 (35) 35.0
 
May 17, 2022, 1 p.m. 32.1 ppb (31) 16.5 ppb (16) N/A 15.0 ppb (15) N/A N/A N/A 0.43 ppb (5) N/A 2.1 μg/m3 (9) 31.0
 
May 17, 2022, noon 32.8 ppb (31) 16.7 ppb (16) N/A 16.0 ppb (16) N/A N/A N/A 0.44 ppb (5) N/A 5.6 μg/m3 (24) 31.0
 
May 17, 2022, noon 32.8 ppb (31) 16.7 ppb (16) N/A 16.0 ppb (16) N/A N/A N/A 0.44 ppb (5) N/A 5.6 μg/m3 (24) 31.0
 
May 17, 2022, noon 32.8 ppb (31) 16.7 ppb (16) N/A 16.0 ppb (16) N/A N/A N/A 0.44 ppb (5) N/A 5.6 μg/m3 (24) 31.0
 
May 17, 2022, 10 a.m. 22.3 ppb (22) 6.2 ppb (6) N/A 16.0 ppb (16) N/A N/A N/A 0.28 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
May 17, 2022, 10 a.m. 22.3 ppb (22) 6.2 ppb (6) N/A 16.0 ppb (16) N/A N/A N/A 0.28 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
May 17, 2022, 9 a.m. 21.3 ppb (21) 6.6 ppb (7) N/A 15.0 ppb (15) N/A N/A N/A 0.23 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
May 17, 2022, 8 a.m. 24.3 ppb (23) 2.4 ppb (3) N/A 22.0 ppb (21) N/A N/A N/A 0.25 ppb (3) N/A 3.4 μg/m3 (15) 23.0
 
May 17, 2022, 5 a.m. 23.6 ppb (23) 5.4 ppb (6) N/A 18.0 ppb (17) N/A N/A N/A 0.28 ppb (4) N/A 4.4 μg/m3 (19) 23.0
 
May 17, 2022, 5 a.m. 23.6 ppb (23) 5.4 ppb (6) N/A 18.0 ppb (17) N/A N/A N/A 0.28 ppb (4) N/A 4.4 μg/m3 (19) 23.0
 
May 17, 2022, 4 a.m. 28.5 ppb (27) 7.9 ppb (8) N/A 20.0 ppb (19) N/A N/A N/A 0.33 ppb (4) N/A 8.5 μg/m3 (36) 36.0
 
May 17, 2022, 3 a.m. 53.5 ppb (51) 15.1 ppb (15) N/A 38.0 ppb (36) N/A N/A N/A 0.64 ppb (7) N/A 10.1 μg/m3 (43) 51.0
 
May 17, 2022, 2 a.m. 46.2 ppb (44) 9.4 ppb (9) N/A 37.0 ppb (35) N/A N/A N/A 0.61 ppb (7) N/A 13.3 μg/m3 (54) 54.0
 
May 17, 2022, 1 a.m. 40.2 ppb (38) 11.2 ppb (11) N/A 29.0 ppb (28) N/A N/A N/A 0.51 ppb (6) N/A 6.3 μg/m3 (27) 38.0
 
May 17, 2022, midnight 9.7 ppb (10) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.21 ppb (3) N/A 4.4 μg/m3 (19) 19.0
 
May 16, 2022, 11 p.m. 10.8 ppb (11) 2.6 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
May 16, 2022, 9 p.m. 8.7 ppb (9) 2.2 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.19 ppb (3) N/A 5.3 μg/m3 (23) 23.0
 
May 16, 2022, 9 p.m. 8.7 ppb (9) 2.2 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.19 ppb (3) N/A 5.3 μg/m3 (23) 23.0
 
May 16, 2022, 8 p.m. 13.0 ppb (13) 4.2 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 5.8 μg/m3 (25) 25.0
 
May 16, 2022, 7 p.m. 11.5 ppb (11) 3.7 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
May 16, 2022, 6 p.m. 15.4 ppb (15) 5.2 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.21 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
May 16, 2022, 4 p.m. 8.4 ppb (8) 2.2 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
May 16, 2022, 3 p.m. 6.7 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.15 ppb (2) N/A 1.9 μg/m3 (8) 8.0
 
May 16, 2022, 2 p.m. 17.3 ppb (17) 5.3 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.26 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
May 16, 2022, 2 p.m. 17.3 ppb (17) 5.3 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.26 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
May 16, 2022, 1 p.m. 35.3 ppb (34) 14.9 ppb (15) N/A 20.0 ppb (19) N/A N/A N/A 0.38 ppb (5) N/A 4.0 μg/m3 (17) 34.0
 
May 16, 2022, 5 a.m. 35.9 ppb (34) 12.7 ppb (12) N/A 23.0 ppb (22) N/A N/A N/A 0.51 ppb (6) N/A 9.4 μg/m3 (40) 40.0
 
May 16, 2022, 4 a.m. 24.2 ppb (23) 3.1 ppb (3) N/A 21.0 ppb (20) N/A N/A N/A 0.44 ppb (5) N/A 8.6 μg/m3 (36) 36.0
 
May 16, 2022, 3 a.m. 13.3 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (13) N/A N/A N/A 0.26 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
May 16, 2022, 2 a.m. 4.0 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
May 16, 2022, 2 a.m. 4.0 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
May 16, 2022, 1 a.m. 4.5 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) N/A 3.4 μg/m3 (15) 15.0
 
May 16, 2022, midnight 3.4 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (3) N/A 1.6 μg/m3 (7) 7.0
 
May 15, 2022, 10 p.m. 3.6 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
May 15, 2022, 8 p.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
May 15, 2022, 7 p.m. 3.6 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (3) N/A 3.9 μg/m3 (17) 17.0
 
May 15, 2022, 6 p.m. 14.0 ppb (14) 6.5 ppb (7) N/A 7.0 ppb (7) N/A N/A N/A 0.29 ppb (4) N/A 7.3 μg/m3 (31) 31.0
 
May 15, 2022, 5 p.m. 15.2 ppb (15) 7.8 ppb (8) N/A 7.0 ppb (7) N/A N/A N/A 0.29 ppb (4) N/A 4.1 μg/m3 (18) 18.0
 
May 15, 2022, 4 p.m. 16.7 ppb (16) 4.9 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.29 ppb (4) N/A 6.8 μg/m3 (29) 29.0
 
May 15, 2022, 10 a.m. 3.7 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
May 15, 2022, 9 a.m. 6.3 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.14 ppb (2) N/A 3.2 μg/m3 (14) 14.0
 
May 15, 2022, 8 a.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.12 ppb (2) N/A -0.1 μg/m3 (0) 3.0
 
May 15, 2022, 7 a.m. 4.6 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (3) N/A 22.8 μg/m3 (74) 74.0
 
May 15, 2022, 6 a.m. 22.4 ppb (22) 0.9 ppb (1) N/A 21.0 ppb (20) N/A N/A N/A 0.59 ppb (7) N/A 13.0 μg/m3 (53) 53.0
 
May 15, 2022, 5 a.m. 76.0 ppb (75) 33.6 ppb (32) N/A 42.0 ppb (40) N/A N/A N/A 1.3 ppb (15) N/A 11.9 μg/m3 (50) 75.0
 
May 15, 2022, 5 a.m. 76.0 ppb (75) 33.6 ppb (32) N/A 42.0 ppb (40) N/A N/A N/A 1.3 ppb (15) N/A 11.9 μg/m3 (50) 75.0
 
May 15, 2022, 4 a.m. 56.8 ppb (54) 15.5 ppb (15) N/A 41.0 ppb (39) N/A N/A N/A 0.96 ppb (12) N/A 10.3 μg/m3 (43) 54.0
 
May 15, 2022, 3 a.m. 64.7 ppb (63) 18.7 ppb (18) N/A 46.0 ppb (44) N/A N/A N/A 0.77 ppb (10) N/A 18.0 μg/m3 (64) 64.0
 
May 15, 2022, 2 a.m. 50.7 ppb (48) 6.1 ppb (6) N/A 44.0 ppb (42) N/A N/A N/A 0.87 ppb (11) N/A 13.0 μg/m3 (53) 53.0
 
May 15, 2022, midnight 7.2 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.28 ppb (4) N/A 10.9 μg/m3 (46) 46.0
 
May 14, 2022, 10 p.m. 8.5 ppb (9) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.27 ppb (4) N/A 6.1 μg/m3 (26) 26.0
 
May 14, 2022, 9 p.m. 10.1 ppb (10) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 11.8 μg/m3 (50) 50.0
 
May 14, 2022, 8 p.m. 7.9 ppb (8) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.22 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 14, 2022, 7 p.m. 6.3 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
May 14, 2022, 6 p.m. 3.9 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
May 14, 2022, 5 p.m. 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (3) N/A 6.1 μg/m3 (26) 26.0
 
May 14, 2022, 5 p.m. 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (3) N/A 6.1 μg/m3 (26) 26.0
 
May 14, 2022, 5 p.m. 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (3) N/A 6.1 μg/m3 (26) 26.0
 
May 14, 2022, 4 p.m. 4.6 ppb (5) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
May 14, 2022, 3 p.m. 10.4 ppb (10) 3.1 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 9.4 μg/m3 (40) 40.0
 
May 14, 2022, 9 a.m. 16.2 ppb (16) 2.1 ppb (2) N/A 14.0 ppb (14) N/A N/A N/A 0.24 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
May 14, 2022, 8 a.m. 4.6 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
May 14, 2022, 7 a.m. 4.3 ppb (5) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (3) N/A 5.1 μg/m3 (22) 22.0
 
May 14, 2022, 6 a.m. 4.7 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.15 ppb (2) N/A 8.9 μg/m3 (38) 38.0
 
May 14, 2022, 5 a.m. 8.7 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
May 14, 2022, 5 a.m. 8.7 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
May 14, 2022, 4 a.m. 9.5 ppb (9) -0.2 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A 0.3 ppb (4) N/A 14.3 μg/m3 (56) 56.0
 
May 14, 2022, 2 a.m. 17.7 ppb (17) 0.0 ppb (0) N/A 17.0 ppb (17) N/A N/A N/A 0.4 ppb (5) N/A -3.2 μg/m3 (0) 17.0
 
May 14, 2022, 1 a.m. 10.4 ppb (10) -0.2 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A 0.29 ppb (4) N/A 4.9 μg/m3 (21) 21.0
 
May 14, 2022, midnight 4.3 ppb (5) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
May 13, 2022, 11 p.m. 3.9 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
May 13, 2022, 6 p.m. 16.4 ppb (16) 5.7 ppb (6) N/A 11.0 ppb (11) N/A N/A N/A 0.28 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
May 13, 2022, 3 p.m. 25.8 ppb (25) 9.6 ppb (10) N/A 16.0 ppb (16) N/A N/A N/A 0.28 ppb (4) N/A -3.0 μg/m3 (0) 25.0
 
May 13, 2022, 2 p.m. 7.3 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (3) N/A -3.0 μg/m3 (0) 7.0
 
May 13, 2022, 1 p.m. 6.7 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (3) N/A 21.5 μg/m3 (71) 71.0
 
May 13, 2022, noon 7.8 ppb (8) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) N/A 14.2 μg/m3 (56) 56.0
 
May 13, 2022, 10 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.11 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
May 13, 2022, 10 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.11 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
May 13, 2022, 9 a.m. 3.7 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.09 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
May 13, 2022, 9 a.m. 3.7 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.09 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
May 13, 2022, 8 a.m. 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.11 ppb (2) N/A 14.0 μg/m3 (55) 55.0
 
May 13, 2022, 7 a.m. 4.7 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (3) N/A 13.6 μg/m3 (55) 55.0
 
May 13, 2022, 6 a.m. 4.8 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (3) N/A 20.0 μg/m3 (68) 68.0
 
May 13, 2022, 5 a.m. 5.3 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
May 13, 2022, 4 a.m. 9.6 ppb (10) 2.9 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.29 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
May 13, 2022, 2 a.m. 26.0 ppb (25) 6.4 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.44 ppb (5) N/A 12.8 μg/m3 (53) 53.0
 
May 13, 2022, 1 a.m. 26.3 ppb (25) 9.2 ppb (9) N/A 17.0 ppb (17) N/A N/A N/A 0.43 ppb (5) N/A 11.9 μg/m3 (50) 50.0
 
May 13, 2022, midnight 17.3 ppb (17) 6.4 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A 0.37 ppb (5) N/A 9.8 μg/m3 (41) 41.0
 
May 12, 2022, 11 p.m. 21.3 ppb (21) 10.1 ppb (10) N/A 11.0 ppb (11) N/A N/A N/A 0.26 ppb (4) N/A 9.2 μg/m3 (39) 39.0
 
May 12, 2022, 10 p.m. 12.5 ppb (12) 5.4 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.21 ppb (3) N/A 14.8 μg/m3 (57) 57.0
 
May 12, 2022, 9 p.m. 18.1 ppb (18) 9.1 ppb (9) N/A 9.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 8.5 μg/m3 (36) 36.0
 
May 12, 2022, 8 p.m. 22.3 ppb (22) 10.2 ppb (10) N/A 12.0 ppb (12) N/A N/A N/A 0.33 ppb (4) N/A 13.9 μg/m3 (55) 55.0
 
May 12, 2022, 7 p.m. 18.0 ppb (17) 8.2 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.35 ppb (4) N/A 16.4 μg/m3 (61) 61.0
 
May 12, 2022, 7 p.m. 18.0 ppb (17) 8.2 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.35 ppb (4) N/A 16.4 μg/m3 (61) 61.0
 
May 12, 2022, 6 p.m. 14.1 ppb (14) 6.7 ppb (7) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) N/A 13.5 μg/m3 (54) 54.0
 
May 12, 2022, 5 p.m. 14.0 ppb (14) 6.8 ppb (7) N/A 7.0 ppb (7) N/A N/A N/A 0.26 ppb (4) N/A 13.9 μg/m3 (55) 55.0
 
May 12, 2022, 5 p.m. 14.0 ppb (14) 6.8 ppb (7) N/A 7.0 ppb (7) N/A N/A N/A 0.26 ppb (4) N/A 13.9 μg/m3 (55) 55.0
 
May 12, 2022, 4 p.m. 17.6 ppb (17) 7.9 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.29 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
May 12, 2022, 4 p.m. 17.6 ppb (17) 7.9 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.29 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
May 12, 2022, 3 p.m. 12.2 ppb (12) 5.1 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.27 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
May 12, 2022, 3 p.m. 12.2 ppb (12) 5.1 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.27 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
May 12, 2022, 2 p.m. 11.1 ppb (11) 4.4 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 14.3 μg/m3 (56) 56.0
 
May 12, 2022, 2 p.m. 11.1 ppb (11) 4.4 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 14.3 μg/m3 (56) 56.0
 
May 12, 2022, 1 p.m. 17.5 ppb (17) 8.5 ppb (9) N/A 9.0 ppb (9) N/A N/A N/A 0.31 ppb (4) N/A 15.6 μg/m3 (59) 59.0
 
May 12, 2022, noon 22.1 ppb (21) 11.7 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A 0.38 ppb (5) N/A 16.5 μg/m3 (61) 61.0
 
May 12, 2022, 9 a.m. 9.4 ppb (9) 4.2 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (3) N/A 13.7 μg/m3 (55) 55.0
 
May 12, 2022, 8 a.m. 5.2 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
May 12, 2022, 3 a.m. 14.1 ppb (14) 3.8 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 13.9 μg/m3 (55) 55.0
 
May 12, 2022, 1 a.m. 24.9 ppb (24) 8.2 ppb (8) N/A 16.0 ppb (16) N/A N/A N/A 0.38 ppb (5) N/A 15.9 μg/m3 (59) 59.0
 
May 12, 2022, midnight 24.8 ppb (24) 10.1 ppb (10) N/A 14.0 ppb (14) N/A N/A N/A 0.39 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
May 11, 2022, 11 p.m. 24.7 ppb (24) 11.1 ppb (11) N/A 13.0 ppb (13) N/A N/A N/A 0.36 ppb (5) N/A 12.1 μg/m3 (51) 51.0
 
May 11, 2022, 10 p.m. 17.8 ppb (17) 8.0 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.34 ppb (4) N/A 13.6 μg/m3 (55) 55.0
 
May 11, 2022, 9 p.m. 23.7 ppb (23) 11.8 ppb (12) N/A 12.0 ppb (12) N/A N/A N/A 0.45 ppb (6) N/A 15.5 μg/m3 (59) 59.0
 
May 11, 2022, 8 p.m. 19.9 ppb (19) 10.0 ppb (10) N/A 10.0 ppb (10) N/A N/A N/A 0.43 ppb (5) N/A 10.7 μg/m3 (45) 45.0
 
May 11, 2022, 7 p.m. 19.4 ppb (19) 9.6 ppb (10) N/A 10.0 ppb (10) N/A N/A N/A 0.3 ppb (4) N/A 11.8 μg/m3 (50) 50.0
 
May 11, 2022, 6 p.m. 20.9 ppb (20) 10.6 ppb (10) N/A 10.0 ppb (10) N/A N/A N/A 0.28 ppb (4) N/A 17.4 μg/m3 (63) 63.0
 
May 11, 2022, 5 p.m. 23.2 ppb (22) 12.6 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 14.2 μg/m3 (56) 56.0
 
May 11, 2022, 4 p.m. 23.0 ppb (22) 11.4 ppb (11) N/A 11.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 15.2 μg/m3 (58) 58.0
 
May 11, 2022, 3 p.m. 25.0 ppb (24) 13.0 ppb (13) N/A 12.0 ppb (12) N/A N/A N/A 0.38 ppb (5) N/A 13.4 μg/m3 (54) 54.0
 
May 11, 2022, 2 p.m. 27.7 ppb (27) 14.7 ppb (14) N/A 13.0 ppb (13) N/A N/A N/A 0.43 ppb (5) N/A 17.3 μg/m3 (62) 62.0
 
May 11, 2022, 2 p.m. 27.7 ppb (27) 14.7 ppb (14) N/A 13.0 ppb (13) N/A N/A N/A 0.43 ppb (5) N/A 17.3 μg/m3 (62) 62.0
 
May 11, 2022, 1 p.m. 18.5 ppb (18) 9.6 ppb (10) N/A 9.0 ppb (9) N/A N/A N/A 0.36 ppb (5) N/A 14.8 μg/m3 (57) 57.0
 
May 11, 2022, 1 p.m. 18.5 ppb (18) 9.6 ppb (10) N/A 9.0 ppb (9) N/A N/A N/A 0.36 ppb (5) N/A 14.8 μg/m3 (57) 57.0
 
May 11, 2022, 11 a.m. 25.2 ppb (24) 15.5 ppb (15) N/A 9.0 ppb (9) N/A N/A N/A 0.38 ppb (5) N/A 18.9 μg/m3 (66) 66.0
 
May 11, 2022, 10 a.m. 11.9 ppb (12) 5.7 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 20.4 μg/m3 (69) 69.0
 
May 11, 2022, 9 a.m. 6.3 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 21.6 μg/m3 (71) 71.0
 
May 11, 2022, 8 a.m. 5.5 ppb (6) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (3) N/A 21.0 μg/m3 (70) 70.0
 
May 11, 2022, 4 a.m. 9.8 ppb (10) 4.6 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (4) N/A 21.3 μg/m3 (71) 71.0
 
May 11, 2022, 3 a.m. 9.0 ppb (9) 3.9 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.28 ppb (4) N/A 22.8 μg/m3 (74) 74.0
 
May 11, 2022, 2 a.m. 19.9 ppb (19) 8.8 ppb (9) N/A 11.0 ppb (11) N/A N/A N/A 0.37 ppb (5) N/A 20.8 μg/m3 (70) 70.0
 
May 11, 2022, midnight 20.5 ppb (20) 9.6 ppb (10) N/A 11.0 ppb (11) N/A N/A N/A 0.44 ppb (5) N/A 19.2 μg/m3 (66) 66.0
 
May 10, 2022, 11 p.m. 18.3 ppb (18) 8.5 ppb (9) N/A 10.0 ppb (10) N/A N/A N/A 0.39 ppb (5) N/A 15.9 μg/m3 (59) 59.0
 
May 10, 2022, 9 p.m. 14.0 ppb (14) 7.3 ppb (7) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) N/A 16.2 μg/m3 (60) 60.0
 
May 10, 2022, 8 p.m. 20.0 ppb (19) 11.3 ppb (11) N/A 8.0 ppb (8) N/A N/A N/A 0.39 ppb (5) N/A 0.0 μg/m3 (0) 19.0
 
May 10, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.42 ppb (5) N/A N/A 5.0
 
May 10, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.36 ppb (5) N/A N/A 5.0
 
May 10, 2022, 5 p.m. 13.8 ppb (14) 6.4 ppb (7) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A N/A 14.0
 
May 10, 2022, 4 p.m. 12.1 ppb (12) 5.5 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (4) N/A 22.2 μg/m3 (73) 73.0
 
May 10, 2022, 3 p.m. 15.0 ppb (15) 6.2 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 21.4 μg/m3 (71) 71.0
 
May 10, 2022, 2 p.m. 12.1 ppb (12) 4.8 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.28 ppb (4) N/A 23.6 μg/m3 (76) 76.0
 
May 10, 2022, 1 p.m. 12.7 ppb (12) 5.6 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) N/A 19.9 μg/m3 (68) 68.0
 
May 10, 2022, noon 18.4 ppb (18) 9.5 ppb (9) N/A 9.0 ppb (9) N/A N/A N/A 0.35 ppb (4) N/A 21.0 μg/m3 (70) 70.0
 
May 10, 2022, noon 18.4 ppb (18) 9.5 ppb (9) N/A 9.0 ppb (9) N/A N/A N/A 0.35 ppb (4) N/A 21.0 μg/m3 (70) 70.0
 
May 10, 2022, 11 a.m. 17.0 ppb (17) 8.7 ppb (9) N/A 8.0 ppb (8) N/A N/A N/A 0.32 ppb (4) N/A 18.8 μg/m3 (66) 66.0
 
May 10, 2022, 11 a.m. 17.0 ppb (17) 8.7 ppb (9) N/A 8.0 ppb (8) N/A N/A N/A 0.32 ppb (4) N/A 18.8 μg/m3 (66) 66.0
 
May 10, 2022, 10 a.m. 8.5 ppb (9) 4.4 ppb (5) N/A 4.0 ppb (4) N/A N/A N/A 0.28 ppb (4) N/A 20.3 μg/m3 (69) 69.0
 
May 10, 2022, 9 a.m. 4.4 ppb (5) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.21 ppb (3) N/A 22.2 μg/m3 (73) 73.0
 
May 10, 2022, 8 a.m. 4.1 ppb (4) 2.2 ppb (3) N/A 2.0 ppb (2) N/A N/A N/A 0.18 ppb (3) N/A 24.8 μg/m3 (78) 78.0
 
May 10, 2022, 7 a.m. 3.4 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.21 ppb (3) N/A 23.4 μg/m3 (75) 75.0
 
May 10, 2022, 6 a.m. 3.4 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.22 ppb (3) N/A 26.2 μg/m3 (81) 81.0
 
May 10, 2022, 3 a.m. 6.6 ppb (7) 3.1 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.27 ppb (4) N/A 25.5 μg/m3 (80) 80.0
 
May 10, 2022, 3 a.m. 6.6 ppb (7) 3.1 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.27 ppb (4) N/A 25.5 μg/m3 (80) 80.0
 
May 10, 2022, 2 a.m. 8.5 ppb (9) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.29 ppb (4) N/A 27.3 μg/m3 (83) 83.0
 
May 10, 2022, 2 a.m. 8.5 ppb (9) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.29 ppb (4) N/A 27.3 μg/m3 (83) 83.0
 
May 10, 2022, 1 a.m. 13.1 ppb (13) 5.7 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.33 ppb (4) N/A 25.9 μg/m3 (81) 81.0
 
May 10, 2022, 1 a.m. 13.1 ppb (13) 5.7 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.33 ppb (4) N/A 25.9 μg/m3 (81) 81.0
 
May 10, 2022, midnight 12.4 ppb (12) 4.5 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A 0.31 ppb (4) N/A 24.5 μg/m3 (78) 78.0
 
May 10, 2022, midnight 12.4 ppb (12) 4.5 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A 0.31 ppb (4) N/A 24.5 μg/m3 (78) 78.0
 
May 9, 2022, 11 p.m. 13.8 ppb (14) 7.2 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.36 ppb (5) N/A 22.0 μg/m3 (72) 72.0