ID: 2795

AQSQID: 490353010

Site Name: Rose Park

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

Updated: May 21, 2022, 1:38 p.m.

Location: Salt Lake City (Rose Park), UT

Reporting: True, Located: True

Current AQI: 32.0

Salt Lake City (Rose Park) UT, US: 40.7955, -111.9309

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 13, 2022, 5 a.m. 16.1 ppb (16) 3.0 ppb (3) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A 10.1 μg/m3 (43) 43.0
 
May 13, 2022, 4 a.m. 10.4 ppb (10) 1.3 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 11.3 μg/m3 (48) 48.0
 
May 13, 2022, 2 a.m. 5.8 ppb (6) 1.2 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 40.0
 
May 13, 2022, 1 a.m. 2.6 ppb (3) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 43.0
 
May 13, 2022, midnight 2.7 ppb (3) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 44.0
 
May 12, 2022, 11 p.m. 2.8 ppb (3) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 43.0
 
May 12, 2022, 10 p.m. 2.3 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.0 ppb (0) N/A 1.6 μg/m3 (7) 44.0
 
May 12, 2022, 9 p.m. 2.1 ppb (2) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.0 ppb (0) N/A 1.4 μg/m3 (6) 44.0
 
May 12, 2022, 8 p.m. 2.3 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.0 ppb (0) N/A 1.4 μg/m3 (6) 42.0
 
May 12, 2022, 7 p.m. 2.2 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 1.6 μg/m3 (7) 41.0
 
May 12, 2022, 7 p.m. 2.2 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 1.6 μg/m3 (7) 41.0
 
May 12, 2022, 6 p.m. 2.4 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 38.0
 
May 12, 2022, 5 p.m. 5.3 ppb (5) 2.3 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 38.0
 
May 12, 2022, 5 p.m. 5.3 ppb (5) 2.3 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 38.0
 
May 12, 2022, 4 p.m. 12.3 ppb (12) 5.0 ppb (5) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) N/A 4.4 μg/m3 (19) 35.0
 
May 12, 2022, 4 p.m. 12.3 ppb (12) 5.0 ppb (5) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) N/A 4.4 μg/m3 (19) 35.0
 
May 12, 2022, 3 p.m. 17.2 ppb (17) 5.2 ppb (5) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 4.5 μg/m3 (19) 30.0
 
May 12, 2022, 3 p.m. 17.2 ppb (17) 5.2 ppb (5) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 4.5 μg/m3 (19) 30.0
 
May 12, 2022, 2 p.m. 21.1 ppb (20) 4.6 ppb (5) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 4.7 μg/m3 (20) 26.0
 
May 12, 2022, 2 p.m. 21.1 ppb (20) 4.6 ppb (5) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 4.7 μg/m3 (20) 26.0
 
May 12, 2022, 1 p.m. 14.4 ppb (14) 2.4 ppb (3) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) N/A 2.7 μg/m3 (12) 31.0
 
May 12, 2022, noon 8.1 ppb (8) 1.3 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 38.0 ppb (36) 0.0 ppb (0) N/A 1.6 μg/m3 (7) 36.0
 
May 12, 2022, 9 a.m. 2.4 ppb (3) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 41.0
 
May 12, 2022, 8 a.m. 2.5 ppb (3) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 41.0
 
May 12, 2022, 3 a.m. 3.5 ppb (4) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (45) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 45.0
 
May 12, 2022, 1 a.m. 2.8 ppb (3) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 48.0
 
May 12, 2022, midnight 3.1 ppb (3) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) 0.0 ppb (0) N/A 5.3 μg/m3 (23) 48.0
 
May 11, 2022, 11 p.m. 3.0 ppb (3) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (49) 0.0 ppb (0) N/A 5.1 μg/m3 (22) 49.0
 
May 11, 2022, 10 p.m. 3.0 ppb (3) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) 0.0 ppb (0) N/A 4.1 μg/m3 (18) 50.0
 
May 11, 2022, 9 p.m. 3.5 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (55) 0.0 ppb (0) N/A 4.1 μg/m3 (18) 55.0
 
May 11, 2022, 8 p.m. 5.0 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 55.0 ppb (51) 0.0 ppb (0) N/A 5.1 μg/m3 (22) 51.0
 
May 11, 2022, 7 p.m. 4.3 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 56.0 ppb (55) 0.1 ppb (2) N/A 4.1 μg/m3 (18) 55.0
 
May 11, 2022, 6 p.m. 9.4 ppb (9) 3.4 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 49.0 ppb (46) 0.1 ppb (2) N/A 5.4 μg/m3 (23) 46.0
 
May 11, 2022, 5 p.m. 18.2 ppb (18) 6.3 ppb (6) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 43.0 ppb (40) 0.1 ppb (2) N/A 8.1 μg/m3 (34) 40.0
 
May 11, 2022, 4 p.m. 29.5 ppb (28) 11.2 ppb (11) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 35.0 ppb (33) 0.1 ppb (2) N/A 13.7 μg/m3 (55) 55.0
 
May 11, 2022, 3 p.m. 15.9 ppb (15) 5.8 ppb (6) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 37.0 ppb (35) 0.1 ppb (2) N/A 6.7 μg/m3 (28) 35.0
 
May 11, 2022, 2 p.m. 37.8 ppb (36) 16.2 ppb (16) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 22.0 ppb (21) 0.2 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 11, 2022, 2 p.m. 37.8 ppb (36) 16.2 ppb (16) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 22.0 ppb (21) 0.2 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 11, 2022, 1 p.m. 42.6 ppb (41) 16.7 ppb (16) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 13.0 ppb (13) 0.3 ppb (4) N/A 7.9 μg/m3 (33) 41.0
 
May 11, 2022, 1 p.m. 42.6 ppb (41) 16.7 ppb (16) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 13.0 ppb (13) 0.3 ppb (4) N/A 7.9 μg/m3 (33) 41.0
 
May 11, 2022, 11 a.m. 27.1 ppb (26) 2.7 ppb (3) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 1.0 ppb (1) 0.2 ppb (3) N/A 5.3 μg/m3 (23) 26.0
 
May 11, 2022, 10 a.m. 27.1 ppb (26) 2.7 ppb (3) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 7.0 ppb (7) 0.1 ppb (2) N/A 5.1 μg/m3 (22) 26.0
 
May 11, 2022, 9 a.m. 22.1 ppb (21) 2.3 ppb (3) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 12.0 ppb (12) 0.1 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
May 11, 2022, 8 a.m. 14.3 ppb (14) 1.6 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 3.5 μg/m3 (15) 20.0
 
May 11, 2022, 4 a.m. 5.9 ppb (6) 1.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 39.0 ppb (37) 0.1 ppb (2) N/A 3.8 μg/m3 (16) 37.0
 
May 11, 2022, 3 a.m. 5.2 ppb (5) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) N/A 3.4 μg/m3 (15) 39.0
 
May 11, 2022, 2 a.m. 3.6 ppb (4) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (43) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 43.0
 
May 11, 2022, midnight 2.5 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 46.0
 
May 10, 2022, 11 p.m. 2.3 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 45.0
 
May 10, 2022, 9 p.m. 4.3 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (44) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 44.0
 
May 10, 2022, 8 p.m. 3.2 ppb (4) 1.6 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 44.0
 
May 10, 2022, 7 p.m. 3.2 ppb (4) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 47.0 ppb (44) 0.0 ppb (0) N/A 5.3 μg/m3 (23) 44.0
 
May 10, 2022, 6 p.m. 6.3 ppb (6) 2.6 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 43.0 ppb (40) 0.0 ppb (0) N/A 6.6 μg/m3 (28) 40.0
 
May 10, 2022, 5 p.m. 23.4 ppb (23) 10.1 ppb (10) N/A 14.0 ppb (14) N/A 2.0 ppb (3) 33.0 ppb (31) 0.1 ppb (2) N/A 9.4 μg/m3 (40) 40.0
 
May 10, 2022, 4 p.m. 46.0 ppb (44) 20.9 ppb (20) N/A 26.0 ppb (25) N/A 2.0 ppb (3) 20.0 ppb (19) 0.2 ppb (3) N/A 12.1 μg/m3 (51) 51.0
 
May 10, 2022, 3 p.m. 43.6 ppb (42) 19.0 ppb (18) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 16.0 ppb (15) 0.3 ppb (4) N/A 9.6 μg/m3 (40) 42.0
 
May 10, 2022, 2 p.m. 34.6 ppb (33) 11.9 ppb (12) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 16.0 ppb (15) 0.2 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
May 10, 2022, 1 p.m. 37.8 ppb (36) 11.3 ppb (11) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 10.0 ppb (10) 0.2 ppb (3) N/A 5.9 μg/m3 (25) 36.0
 
May 10, 2022, noon 35.2 ppb (34) 7.2 ppb (7) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 6.0 ppb (6) 0.2 ppb (3) N/A 4.4 μg/m3 (19) 34.0
 
May 10, 2022, 11 a.m. 26.9 ppb (26) 3.7 ppb (4) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 3.5 μg/m3 (15) 26.0
 
May 10, 2022, 10 a.m. 14.6 ppb (14) 1.9 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (16) 0.1 ppb (2) N/A 2.6 μg/m3 (11) 16.0
 
May 10, 2022, 9 a.m. 15.3 ppb (15) 1.7 ppb (2) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 20.0 ppb (19) 0.1 ppb (2) N/A 2.6 μg/m3 (11) 19.0
 
May 10, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 10, 2022, 6 a.m. 7.3 ppb (7) 1.6 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 36.0
 
May 10, 2022, 6 a.m. 7.3 ppb (7) 1.6 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 36.0
 
May 10, 2022, 3 a.m. 8.5 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 35.0
 
May 10, 2022, 3 a.m. 8.5 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 35.0
 
May 10, 2022, 2 a.m. 3.0 ppb (3) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) N/A 1.6 μg/m3 (7) 39.0
 
May 10, 2022, 2 a.m. 3.0 ppb (3) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) N/A 1.6 μg/m3 (7) 39.0
 
May 10, 2022, 1 a.m. 3.4 ppb (4) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 41.0
 
May 10, 2022, 1 a.m. 3.4 ppb (4) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 41.0
 
May 10, 2022, midnight 2.2 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 41.0
 
May 10, 2022, midnight 2.2 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 41.0
 
May 9, 2022, 11 p.m. 2.2 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 41.0
 
May 9, 2022, 11 p.m. 2.2 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 41.0
 
May 9, 2022, 10 p.m. 2.5 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 42.0
 
May 9, 2022, 9 p.m. 2.2 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 2.7 μg/m3 (12) 41.0
 
May 9, 2022, 9 p.m. 2.2 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 2.7 μg/m3 (12) 41.0
 
May 9, 2022, 6 p.m. 2.4 ppb (3) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) N/A 1.3 μg/m3 (6) 40.0
 
May 9, 2022, 1 p.m. 12.5 ppb (12) 2.3 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) N/A 3.5 μg/m3 (15) 32.0
 
May 9, 2022, noon 13.5 ppb (13) 2.4 ppb (3) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 28.0
 
May 9, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 34.0
 
May 9, 2022, 10 a.m. 5.6 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) N/A 5.9 μg/m3 (25) 39.0
 
May 9, 2022, 9 a.m. 3.9 ppb (4) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 6.2 μg/m3 (26) 41.0
 
May 9, 2022, 8 a.m. 4.0 ppb (4) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 40.0
 
May 9, 2022, 7 a.m. 1.9 ppb (2) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 40.0
 
May 9, 2022, 2 a.m. 3.1 ppb (3) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (45) 0.0 ppb (0) N/A 2.2 μg/m3 (10) 45.0
 
May 9, 2022, 1 a.m. 2.5 ppb (3) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (46) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 46.0
 
May 9, 2022, midnight 4.4 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 43.0 ppb (40) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 40.0
 
May 8, 2022, 11 p.m. 4.1 ppb (4) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 41.0 ppb (38) 0.0 ppb (0) N/A 24.3 μg/m3 (77) 77.0
 
May 8, 2022, 10 p.m. 2.3 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) N/A 16.2 μg/m3 (60) 60.0
 
May 8, 2022, 4 p.m. 7.3 ppb (7) 3.1 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 38.0 ppb (36) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 36.0
 
May 8, 2022, 4 p.m. 7.3 ppb (7) 3.1 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 38.0 ppb (36) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 36.0
 
May 8, 2022, 3 p.m. 12.3 ppb (12) 5.3 ppb (5) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 27.0
 
May 8, 2022, 2 p.m. 12.5 ppb (12) 5.0 ppb (5) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 21.0 ppb (20) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 20.0
 
May 8, 2022, noon 8.9 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 20.0
 
May 8, 2022, noon 8.9 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 20.0
 
May 8, 2022, 11 a.m. 4.4 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.4 μg/m3 (6) 6.0
 
May 8, 2022, 11 a.m. 4.4 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) N/A 1.4 μg/m3 (6) 27.0
 
May 8, 2022, 10 a.m. 4.6 ppb (5) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) N/A 1.7 μg/m3 (8) 27.0
 
May 8, 2022, 8 a.m. 4.3 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 32.0
 
May 8, 2022, 7 a.m. 5.5 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (33) 0.0 ppb (0) N/A 4.1 μg/m3 (18) 33.0
 
May 8, 2022, 6 a.m. 3.9 ppb (4) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 35.0
 
May 8, 2022, 6 a.m. 3.9 ppb (4) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 35.0
 
May 8, 2022, 3 a.m. 6.5 ppb (7) 1.2 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 45.0 ppb (42) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 42.0
 
May 8, 2022, 2 a.m. 5.3 ppb (5) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (45) 0.0 ppb (0) N/A 6.8 μg/m3 (29) 45.0
 
May 8, 2022, 1 a.m. 3.7 ppb (4) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 50.0 ppb (47) 0.0 ppb (0) N/A 7.5 μg/m3 (32) 47.0
 
May 8, 2022, midnight 2.8 ppb (3) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (49) 0.0 ppb (0) N/A 8.0 μg/m3 (34) 49.0
 
May 7, 2022, 10 p.m. 2.1 ppb (2) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) 0.0 ppb (0) N/A 15.1 μg/m3 (58) 58.0
 
May 7, 2022, 9 p.m. 2.1 ppb (2) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (47) 0.0 ppb (0) N/A 17.7 μg/m3 (63) 63.0
 
May 7, 2022, 8 p.m. 2.2 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) 0.0 ppb (0) N/A 14.4 μg/m3 (56) 56.0
 
May 7, 2022, 7 p.m. 2.0 ppb (2) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) 0.0 ppb (0) N/A 12.2 μg/m3 (52) 52.0
 
May 7, 2022, 5 p.m. 3.0 ppb (3) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 41.0
 
May 7, 2022, 5 p.m. 3.0 ppb (3) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 41.0
 
May 7, 2022, 4 p.m. 3.1 ppb (3) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 38.0
 
May 7, 2022, 4 p.m. 3.1 ppb (3) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 38.0
 
May 7, 2022, 3 p.m. 4.1 ppb (4) 1.5 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) N/A 8.2 μg/m3 (35) 35.0
 
May 7, 2022, 3 p.m. 4.1 ppb (4) 1.5 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) N/A 8.2 μg/m3 (35) 35.0
 
May 7, 2022, 2 p.m. 4.8 ppb (5) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) N/A 28.6 μg/m3 (86) 86.0
 
May 7, 2022, 1 p.m. 2.6 ppb (3) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) N/A 84.0 μg/m3 (166) 166.0
 
May 7, 2022, noon 2.8 ppb (3) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.0 ppb (0) N/A 46.0 μg/m3 (127) 127.0
 
May 7, 2022, 11 a.m. 4.1 ppb (4) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 31.0 ppb (29) 0.0 ppb (0) N/A 59.0 μg/m3 (153) 153.0
 
May 7, 2022, 7 a.m. 4.3 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 40.0 ppb (38) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 38.0
 
May 7, 2022, 6 a.m. 6.8 ppb (7) 1.2 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 34.0
 
May 7, 2022, 6 a.m. 6.8 ppb (7) 1.2 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 34.0
 
May 7, 2022, 5 a.m. 12.5 ppb (12) 1.4 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 11.0 μg/m3 (46) 46.0
 
May 7, 2022, 4 a.m. 20.0 ppb (19) 1.5 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 23.0 ppb (22) 0.0 ppb (0) N/A 19.0 μg/m3 (66) 66.0
 
May 7, 2022, 4 a.m. 20.0 ppb (19) 1.5 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 23.0 ppb (22) 0.0 ppb (0) N/A 19.0 μg/m3 (66) 66.0
 
May 7, 2022, 3 a.m. 17.4 ppb (17) 1.4 ppb (2) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) N/A 21.6 μg/m3 (71) 71.0
 
May 7, 2022, 2 a.m. 16.3 ppb (16) 1.4 ppb (2) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 30.0 ppb (28) 0.0 ppb (0) N/A 19.8 μg/m3 (68) 68.0
 
May 6, 2022, 8 p.m. 2.9 ppb (3) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) N/A 15.9 μg/m3 (59) 59.0
 
May 6, 2022, 6 p.m. 2.8 ppb (3) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.0 ppb (0) N/A 9.4 μg/m3 (40) 40.0
 
May 6, 2022, 6 p.m. 2.8 ppb (3) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.0 ppb (0) N/A 9.4 μg/m3 (40) 40.0
 
May 6, 2022, 5 p.m. 3.8 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 36.0 ppb (34) 0.0 ppb (0) N/A 10.3 μg/m3 (43) 43.0
 
May 6, 2022, 4 p.m. 6.9 ppb (7) 3.1 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 30.0 ppb (28) 0.0 ppb (0) N/A 11.0 μg/m3 (46) 46.0
 
May 6, 2022, 3 p.m. 10.8 ppb (11) 4.7 ppb (5) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 25.0 ppb (24) 0.0 ppb (0) N/A 10.8 μg/m3 (46) 46.0
 
May 6, 2022, 5 a.m. 10.8 ppb (11) 1.3 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 31.0 ppb (29) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 29.0
 
May 6, 2022, 4 a.m. 13.7 ppb (13) 1.3 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 27.0
 
May 6, 2022, 4 a.m. 13.7 ppb (13) 1.3 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 27.0
 
May 6, 2022, 3 a.m. 10.1 ppb (10) 1.2 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 31.0
 
May 6, 2022, 2 a.m. 8.2 ppb (8) 1.3 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 38.0 ppb (36) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 36.0
 
May 6, 2022, 2 a.m. 8.2 ppb (8) 1.3 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 38.0 ppb (36) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 36.0
 
May 6, 2022, 1 a.m. 4.8 ppb (5) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 40.0
 
May 6, 2022, midnight 5.5 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) N/A 3.7 μg/m3 (16) 40.0
 
May 6, 2022, midnight 5.5 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) N/A 3.7 μg/m3 (16) 40.0
 
May 5, 2022, 11 p.m. 4.8 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 41.0
 
May 5, 2022, 11 p.m. 4.8 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 41.0
 
May 5, 2022, 10 p.m. 4.8 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (42) 0.0 ppb (0) N/A 3.9 μg/m3 (17) 42.0
 
May 5, 2022, 9 p.m. 5.6 ppb (6) 2.3 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (44) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 44.0
 
May 5, 2022, 7 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) 0.0 ppb (0) N/A 5.3 μg/m3 (23) 47.0
 
May 5, 2022, 7 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) 0.0 ppb (0) N/A 5.3 μg/m3 (23) 47.0
 
May 5, 2022, 6 p.m. 7.0 ppb (7) 2.8 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 41.0
 
May 5, 2022, 5 p.m. 8.7 ppb (9) 3.4 ppb (4) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (38) 0.0 ppb (0) N/A 8.0 μg/m3 (34) 38.0
 
May 5, 2022, 4 p.m. 11.7 ppb (12) 4.6 ppb (5) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 35.0 ppb (33) 0.0 ppb (0) N/A 8.1 μg/m3 (34) 34.0
 
May 5, 2022, 3 p.m. 23.9 ppb (23) 10.3 ppb (10) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 5, 2022, 2 p.m. 28.3 ppb (27) 11.8 ppb (12) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 20.0 ppb (19) 0.1 ppb (2) N/A 10.3 μg/m3 (43) 43.0
 
May 5, 2022, 6 a.m. 10.0 ppb (10) 1.4 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) N/A 6.1 μg/m3 (26) 26.0
 
May 5, 2022, 6 a.m. 10.0 ppb (10) 1.4 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) N/A 6.1 μg/m3 (26) 26.0
 
May 5, 2022, 5 a.m. 11.2 ppb (11) 1.4 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 6.2 μg/m3 (26) 26.0
 
May 5, 2022, 4 a.m. 12.7 ppb (12) 1.5 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 28.0
 
May 5, 2022, 4 a.m. 12.7 ppb (12) 1.5 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 28.0
 
May 5, 2022, 3 a.m. 13.4 ppb (13) 1.5 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 6.3 μg/m3 (27) 27.0
 
May 5, 2022, 3 a.m. 13.4 ppb (13) 1.5 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 6.3 μg/m3 (27) 27.0
 
May 5, 2022, 2 a.m. 12.5 ppb (12) 1.4 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 30.0
 
May 5, 2022, 2 a.m. 12.5 ppb (12) 1.4 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 30.0
 
May 5, 2022, 1 a.m. 7.5 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (38) 0.0 ppb (0) N/A 6.5 μg/m3 (28) 38.0
 
May 5, 2022, 1 a.m. 7.5 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (38) 0.0 ppb (0) N/A 6.5 μg/m3 (28) 38.0
 
May 4, 2022, 11 p.m. 10.1 ppb (10) 3.1 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (38) 0.0 ppb (0) N/A 14.1 μg/m3 (56) 56.0