ID: 2645

AQSQID: 530530024

Site Name: Tacoma-S 36th St

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

Updated: June 18, 2021, 4:54 a.m.

Location: Tacoma (S End), WA

Reporting: True, Located: True

Current AQI: 25.0

Tacoma (S End) WA, US: 47.22634, -122.46256

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 18, 2021, 3 a.m. 18.5 ppb (18) 4.4 ppb (5) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 18, 2021, 2 a.m. 19.6 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 19.0
 
June 18, 2021, 1 a.m. 12.5 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 12.0
 
June 18, 2021, midnight 16.7 ppb (16) 7.4 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 16.0
 
June 17, 2021, 11 p.m. 20.9 ppb (20) 10.1 ppb (10) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 20.0
 
June 17, 2021, 10 p.m. 16.2 ppb (16) 6.9 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 16.0
 
June 17, 2021, 9 p.m. 22.3 ppb (22) 11.0 ppb (11) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 22.0
 
June 17, 2021, 8 p.m. 16.2 ppb (16) 8.3 ppb (8) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 16.0
 
June 17, 2021, 7 p.m. 23.9 ppb (23) 11.0 ppb (11) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 23.0
 
June 17, 2021, 6 p.m. 19.6 ppb (19) 9.6 ppb (10) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 17, 2021, 5 p.m. 23.0 ppb (22) 12.5 ppb (12) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 22.0
 
June 17, 2021, 4 p.m. 27.9 ppb (27) 15.3 ppb (15) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 27.0
 
June 17, 2021, 3 p.m. 29.5 ppb (28) 16.6 ppb (16) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 28.0
 
June 17, 2021, 2 p.m. 54.4 ppb (52) 35.8 ppb (34) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 52.0
 
June 17, 2021, 1 p.m. 72.1 ppb (71) 48.5 ppb (46) N/A 24.0 ppb (23) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 71.0
 
June 17, 2021, noon 46.8 ppb (45) 23.7 ppb (23) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
June 17, 2021, 11 a.m. 45.9 ppb (44) 21.3 ppb (21) N/A 25.0 ppb (24) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 44.0
 
June 17, 2021, 10 a.m. 17.3 ppb (17) 1.4 ppb (2) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 17, 2021, 9 a.m. 25.0 ppb (24) 3.2 ppb (4) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 17, 2021, 8 a.m. 20.8 ppb (20) 1.7 ppb (2) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 17, 2021, 7 a.m. 26.1 ppb (25) 2.5 ppb (3) N/A 24.0 ppb (23) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 17, 2021, 6 a.m. 15.4 ppb (15) 0.9 ppb (1) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 15.0
 
June 17, 2021, 5 a.m. 12.9 ppb (13) 1.2 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 17, 2021, 4 a.m. 15.2 ppb (15) 2.8 ppb (3) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 15.0
 
June 17, 2021, 3 a.m. 19.3 ppb (19) 6.8 ppb (7) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 17, 2021, 2 a.m. 22.7 ppb (22) 10.6 ppb (10) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 22.0
 
June 17, 2021, 1 a.m. 20.8 ppb (20) 10.8 ppb (11) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 20.0
 
June 17, 2021, midnight 19.2 ppb (19) 9.9 ppb (10) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 19.0
 
June 16, 2021, 11 p.m. 15.3 ppb (15) 6.6 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 16, 2021, 10 p.m. 20.8 ppb (20) 9.6 ppb (10) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 16, 2021, 9 p.m. 21.1 ppb (20) 10.7 ppb (11) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 20.0
 
June 16, 2021, 8 p.m. 22.3 ppb (22) 11.7 ppb (12) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 22.0
 
June 16, 2021, 7 p.m. 18.2 ppb (18) 9.8 ppb (10) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 16, 2021, 6 p.m. 16.9 ppb (16) 9.0 ppb (9) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 16, 2021, 5 p.m. 22.1 ppb (21) 12.3 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 16, 2021, 4 p.m. 28.4 ppb (27) 16.6 ppb (16) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 27.0
 
June 16, 2021, 3 p.m. 33.7 ppb (32) 20.0 ppb (19) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 32.0
 
June 16, 2021, 2 p.m. 18.1 ppb (18) 7.0 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 16, 2021, 1 p.m. 27.4 ppb (26) 14.6 ppb (14) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 26.0
 
June 16, 2021, noon 41.9 ppb (40) 23.9 ppb (23) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 40.0
 
June 16, 2021, 11 a.m. 31.7 ppb (30) 17.5 ppb (17) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 30.0
 
June 16, 2021, 10 a.m. 9.8 ppb (10) 2.4 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 16, 2021, 9 a.m. 11.3 ppb (11) 1.3 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 16, 2021, 8 a.m. 13.2 ppb (13) 3.5 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 16, 2021, 7 a.m. 12.1 ppb (12) 3.4 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 16, 2021, 6 a.m. 13.5 ppb (13) 4.8 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 13.0
 
June 16, 2021, 5 a.m. 15.2 ppb (15) 5.9 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 15.0
 
June 16, 2021, 4 a.m. 17.3 ppb (17) 7.3 ppb (7) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 17.0
 
June 16, 2021, 3 a.m. 17.8 ppb (17) 8.4 ppb (8) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 17.0
 
June 16, 2021, 2 a.m. 15.4 ppb (15) 8.4 ppb (8) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 15.0
 
June 16, 2021, 1 a.m. 16.0 ppb (16) 9.6 ppb (10) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 16.0
 
June 16, 2021, midnight 16.4 ppb (16) 10.4 ppb (10) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 11 p.m. 25.0 ppb (24) 14.0 ppb (14) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 15, 2021, 10 p.m. 18.5 ppb (18) 11.6 ppb (11) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 9 p.m. 27.1 ppb (26) 17.8 ppb (17) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 26.0
 
June 15, 2021, 8 p.m. 23.7 ppb (23) 14.5 ppb (14) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 23.0
 
June 15, 2021, 7 p.m. 29.6 ppb (28) 21.1 ppb (20) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 28.0
 
June 15, 2021, 6 p.m. 20.5 ppb (20) 12.6 ppb (12) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 20.0
 
June 15, 2021, 5 p.m. 25.9 ppb (25) 17.0 ppb (17) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 4 p.m. 27.1 ppb (26) 16.9 ppb (16) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 26.0
 
June 15, 2021, 3 p.m. 37.3 ppb (36) 24.7 ppb (24) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 36.0
 
June 15, 2021, 2 p.m. 27.5 ppb (26) 15.8 ppb (15) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 26.0
 
June 15, 2021, 1 p.m. 10.2 ppb (10) 3.7 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 15, 2021, noon 29.2 ppb (28) 14.8 ppb (14) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 28.0
 
June 15, 2021, 11 a.m. 32.3 ppb (31) 18.4 ppb (18) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 31.0
 
June 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 15, 2021, 9 a.m. 9.9 ppb (10) 3.7 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 10.0
 
June 15, 2021, 8 a.m. 10.8 ppb (11) 3.9 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 11.0
 
June 15, 2021, 7 a.m. 15.0 ppb (15) 5.1 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 15, 2021, 6 a.m. 14.6 ppb (14) 5.8 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 14.0
 
June 15, 2021, 5 a.m. 17.4 ppb (17) 8.5 ppb (9) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 15, 2021, 4 a.m. 24.6 ppb (24) 11.5 ppb (11) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 3 a.m. 28.1 ppb (27) 14.0 ppb (14) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 15, 2021, 2 a.m. 25.9 ppb (25) 14.8 ppb (14) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 25.0
 
June 15, 2021, 1 a.m. 14.8 ppb (14) 6.4 ppb (7) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 15, 2021, midnight 5.6 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 14, 2021, 11 p.m. 6.6 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 14, 2021, 10 p.m. 16.0 ppb (16) 7.9 ppb (8) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 16.0
 
June 14, 2021, 9 p.m. 25.1 ppb (24) 15.6 ppb (15) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 14, 2021, 8 p.m. 26.9 ppb (26) 16.9 ppb (16) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 14, 2021, 7 p.m. 30.3 ppb (29) 18.4 ppb (18) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 14, 2021, 6 p.m. 41.3 ppb (39) 25.6 ppb (25) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 39.0
 
June 14, 2021, 5 p.m. 41.3 ppb (39) 25.8 ppb (25) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 39.0
 
June 14, 2021, 4 p.m. 46.5 ppb (44) 31.3 ppb (30) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
June 14, 2021, 3 p.m. 42.5 ppb (41) 27.2 ppb (26) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 41.0
 
June 14, 2021, 2 p.m. 37.8 ppb (36) 22.1 ppb (21) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 36.0
 
June 14, 2021, 1 p.m. 26.6 ppb (26) 12.1 ppb (12) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 26.0
 
June 14, 2021, noon 24.5 ppb (24) 13.6 ppb (13) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 24.0
 
June 14, 2021, 11 a.m. 18.0 ppb (17) 9.3 ppb (9) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 17.0
 
June 14, 2021, 10 a.m. 10.9 ppb (11) 5.0 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 14, 2021, 9 a.m. 8.8 ppb (9) 3.6 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 14, 2021, 8 a.m. 10.8 ppb (11) 5.9 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 14, 2021, 7 a.m. 21.9 ppb (21) 8.6 ppb (9) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 21.0
 
June 14, 2021, 6 a.m. 20.5 ppb (20) 7.3 ppb (7) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 20.0
 
June 14, 2021, 5 a.m. 30.9 ppb (30) 15.6 ppb (15) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 30.0
 
June 14, 2021, 4 a.m. 16.6 ppb (16) 5.3 ppb (5) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 14, 2021, 3 a.m. 11.6 ppb (11) 3.1 ppb (3) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 14, 2021, 2 a.m. 6.3 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 14, 2021, 1 a.m. 9.8 ppb (10) 1.4 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 14, 2021, midnight 21.5 ppb (21) 10.4 ppb (10) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 13, 2021, 11 p.m. 24.4 ppb (24) 10.6 ppb (10) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 13, 2021, 10 p.m. 23.9 ppb (23) 12.4 ppb (12) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
June 13, 2021, 9 p.m. 22.0 ppb (21) 12.3 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
June 13, 2021, 8 p.m. 14.9 ppb (15) 6.6 ppb (7) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 13, 2021, 7 p.m. 10.7 ppb (11) 4.3 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 13, 2021, 6 p.m. 20.0 ppb (19) 9.0 ppb (9) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 13, 2021, 5 p.m. 19.9 ppb (19) 7.3 ppb (7) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 13, 2021, 4 p.m. 9.5 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 13, 2021, 3 p.m. 11.1 ppb (11) 4.1 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 13, 2021, 2 p.m. 9.8 ppb (10) 3.4 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 10.0
 
June 13, 2021, 1 p.m. 8.1 ppb (8) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 8.0
 
June 13, 2021, noon 6.5 ppb (7) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 13, 2021, 11 a.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 13, 2021, 9 a.m. 3.7 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 13, 2021, 8 a.m. 6.4 ppb (7) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 13, 2021, 7 a.m. 5.5 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 13, 2021, 6 a.m. 10.1 ppb (10) 1.1 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
June 13, 2021, 5 a.m. 20.8 ppb (20) 5.1 ppb (5) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
June 13, 2021, 4 a.m. 19.3 ppb (19) 5.7 ppb (6) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
June 13, 2021, 3 a.m. 24.1 ppb (23) 10.3 ppb (10) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 13, 2021, 2 a.m. 19.0 ppb (18) 7.8 ppb (8) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 13, 2021, 1 a.m. 20.7 ppb (20) 8.1 ppb (8) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 13, 2021, midnight 17.7 ppb (17) 7.4 ppb (7) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 17.0
 
June 12, 2021, 11 p.m. 13.8 ppb (14) 5.2 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 12, 2021, 10 p.m. 13.8 ppb (14) 5.7 ppb (6) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 12, 2021, 9 p.m. 10.6 ppb (10) 4.8 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 12, 2021, 8 p.m. 14.4 ppb (14) 7.4 ppb (7) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 12, 2021, 7 p.m. 17.6 ppb (17) 9.8 ppb (10) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 12, 2021, 6 p.m. 19.5 ppb (19) 10.1 ppb (10) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 12, 2021, 5 p.m. 16.9 ppb (16) 8.0 ppb (8) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 12, 2021, 4 p.m. 9.4 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 12, 2021, 3 p.m. 5.1 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 12, 2021, 2 p.m. 21.5 ppb (21) 11.2 ppb (11) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
June 12, 2021, 1 p.m. 31.5 ppb (30) 19.3 ppb (19) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 12, 2021, noon 28.1 ppb (27) 14.9 ppb (15) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 27.0
 
June 12, 2021, 11 a.m. 19.3 ppb (19) 8.2 ppb (8) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 12, 2021, 9 a.m. 7.0 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 12, 2021, 8 a.m. 8.1 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 12, 2021, 7 a.m. 18.7 ppb (18) 6.9 ppb (7) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 12, 2021, 6 a.m. 21.2 ppb (20) 9.0 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 12, 2021, 5 a.m. 30.1 ppb (29) 12.8 ppb (13) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
June 12, 2021, 4 a.m. 24.4 ppb (24) 4.9 ppb (5) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
June 12, 2021, 3 a.m. 31.7 ppb (30) 9.3 ppb (9) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
June 12, 2021, 2 a.m. 34.2 ppb (33) 11.2 ppb (11) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
June 12, 2021, 1 a.m. 34.1 ppb (33) 12.7 ppb (12) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 12, 2021, midnight 33.9 ppb (32) 12.6 ppb (12) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
June 11, 2021, 11 p.m. 28.4 ppb (27) 8.1 ppb (8) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
June 11, 2021, 10 p.m. 29.7 ppb (29) 10.4 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 11, 2021, 9 p.m. 21.5 ppb (21) 6.0 ppb (6) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 21.0
 
June 11, 2021, 8 p.m. 29.0 ppb (28) 10.4 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 11, 2021, 7 p.m. 28.2 ppb (27) 10.5 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 27.0
 
June 11, 2021, 6 p.m. 8.0 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 11, 2021, 5 p.m. 5.7 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 11, 2021, 4 p.m. 11.4 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 11, 2021, 3 p.m. 19.9 ppb (19) 8.2 ppb (8) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 11, 2021, 2 p.m. 48.1 ppb (46) 31.5 ppb (30) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 46.0
 
June 11, 2021, 1 p.m. 49.8 ppb (47) 33.4 ppb (32) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 47.0
 
June 11, 2021, noon 25.5 ppb (25) 9.6 ppb (10) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 25.0
 
June 11, 2021, 11 a.m. 13.3 ppb (13) 2.2 ppb (3) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 11, 2021, 10 a.m. 11.6 ppb (11) 4.8 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 11.0
 
June 11, 2021, 9 a.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 11, 2021, 8 a.m. 4.7 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 11, 2021, 7 a.m. 17.2 ppb (17) 1.6 ppb (2) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 11, 2021, 6 a.m. 15.4 ppb (15) 0.9 ppb (1) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 11, 2021, 5 a.m. 6.8 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
June 11, 2021, 4 a.m. 22.7 ppb (22) 9.1 ppb (9) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 22.0