AQSQID: 320311005

Site Name: Sparks

Location: Sparks, NV

Reporting: True, Located: True

Current AQI: 26.0

Sparks NV, US: 39.540916, -119.746758

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.3 ppb (3) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 26.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.4 ppb (4) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 22.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.3 ppb (3) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 26.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 3.0 μg/m3 (3) 5.0 μg/m3 (21) 29.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.2 ppb (2) 1.0 μg/m3 (1) 5.0 μg/m3 (21) 35.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.2 ppb (2) 2.0 μg/m3 (2) 3.0 μg/m3 (12) 36.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.2 ppb (2) 2.0 μg/m3 (2) 2.0 μg/m3 (8) 38.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.2 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 36.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 32.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.2 ppb (2) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 37.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 38.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.2 ppb (2) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 39.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.2 ppb (2) 6.0 μg/m3 (5) -1.0 μg/m3 (0) 40.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 41.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.2 ppb (2) 18.0 μg/m3 (16) 1.0 μg/m3 (4) 42.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.2 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 38.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.2 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 37.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.2 ppb (2) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 40.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 41.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 38.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 3.0 μg/m3 (3) 5.0 μg/m3 (21) 38.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 38.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.2 ppb (2) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 38.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.2 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 34.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 32.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.2 ppb (2) 3.0 μg/m3 (3) 5.0 μg/m3 (21) 35.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 29.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 29.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 31.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 26.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 1.0 μg/m3 (1) 0.0 μg/m3 (0) 26.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 29.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 28.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 28.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.2 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 27.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 32.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.2 ppb (2) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 36.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 12.0 μg/m3 (11) 1.0 μg/m3 (4) 41.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.2 ppb (2) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 42.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.2 ppb (2) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 42.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.2 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 37.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.2 ppb (2) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 35.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 30.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.3 ppb (3) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 27.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.3 ppb (3) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.3 ppb (3) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.4 ppb (4) 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.4 ppb (4) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.4 ppb (4) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.3 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.3 ppb (3) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.3 ppb (3) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.3 ppb (3) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.3 ppb (3) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.2 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 24.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 26.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 28.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 28.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 29.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 30.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.2 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 32.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.2 ppb (2) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 32.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 9.0 μg/m3 (8) 0.0 μg/m3 (0) 30.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 31.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 30.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 30.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 28.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 28.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.2 ppb (2) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 27.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.2 ppb (2) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 27.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 26.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 26.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.2 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 27.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 28.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 30.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.1 ppb (1) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 31.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 31.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 29.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 29.0
 
May 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 28.0
 
May 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 30.0
 
May 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.2 ppb (2) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 33.0
 
May 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.2 ppb (2) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 32.0
 
May 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 31.0
 
May 17, 2019, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.2 ppb (2) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 32.0
 
May 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.2 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 33.0
 
May 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.2 ppb (2) 9.0 μg/m3 (8) -2.0 μg/m3 (0) 34.0
 
May 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.2 ppb (2) 10.0 μg/m3 (9) -2.0 μg/m3 (0) 35.0
 
May 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 38.0
 
May 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 41.0
 
May 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 41.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 41.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.2 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 40.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 38.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 41.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) 8.0 μg/m3 (7) -1.0 μg/m3 (0) 32.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 12.0 μg/m3 (11) 1.0 μg/m3 (4) 28.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 27.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.1 ppb (1) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 32.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.1 ppb (1) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 30.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 7.0 μg/m3 (6) -1.0 μg/m3 (0) 34.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.1 ppb (1) 9.0 μg/m3 (8) -1.0 μg/m3 (0) 35.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 35.0
 
May 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 34.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 33.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 34.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 35.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.1 ppb (1) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 37.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.2 ppb (2) 29.0 μg/m3 (26) 5.0 μg/m3 (21) 35.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.2 ppb (2) 39.0 μg/m3 (35) 3.0 μg/m3 (12) 35.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.2 ppb (2) 29.0 μg/m3 (26) 4.0 μg/m3 (17) 36.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.2 ppb (2) 35.0 μg/m3 (32) 2.0 μg/m3 (8) 37.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.2 ppb (2) 43.0 μg/m3 (39) 4.0 μg/m3 (17) 39.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.2 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 34.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.2 ppb (2) 14.0 μg/m3 (13) 3.0 μg/m3 (12) 33.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.3 ppb (3) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 30.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.3 ppb (3) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.3 ppb (3) 30.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.5 ppb (6) 32.0 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.4 ppb (4) 25.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.3 ppb (3) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 26.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 28.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 32.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 31.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 32.0
 
May 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.2 ppb (2) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 37.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 38.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 38.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.2 ppb (2) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 37.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.2 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 35.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 17.0 μg/m3 (15) 4.0 μg/m3 (17) 38.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.2 ppb (2) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 39.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 41.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 38.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.2 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 40.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.2 ppb (2) 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) 0.2 ppb (2) N/A N/A 47.0
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.2 ppb (2) N/A N/A 45.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.3 ppb (3) 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.4 ppb (4) 29.0 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.5 ppb (6) 36.0 μg/m3 (33) 9.0 μg/m3 (38) 38.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.6 ppb (7) 35.0 μg/m3 (32) 4.0 μg/m3 (17) 32.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.4 ppb (4) 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.3 ppb (3) 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
May 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.3 ppb (3) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
May 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) 19.0 μg/m3 (17) 1.0 μg/m3 (4) 17.0
 
May 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.3 ppb (3) 45.0 μg/m3 (41) 1.0 μg/m3 (4) 41.0
 
May 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) 15.0 μg/m3 (14) 2.0 μg/m3 (8) 21.0
 
May 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.2 ppb (2) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 25.0
 
May 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 32.0
 
May 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.2 ppb (2) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 35.0
 
May 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.2 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 39.0
 
May 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 41.0
 
May 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.2 ppb (2) 27.0 μg/m3 (25) 1.0 μg/m3 (4) 40.0
 
May 14, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 28.0 μg/m3 (25) 0.0 μg/m3 (0) 38.0
 
May 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.2 ppb (2) 19.0 μg/m3 (17) 2.0 μg/m3 (8) 39.0
 
May 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.2 ppb (2) 24.0 μg/m3 (22) 4.0 μg/m3 (17) 40.0
 
May 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.2 ppb (2) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 40.0
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 18.0 μg/m3 (16) 4.0 μg/m3 (17) 41.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.2 ppb (2) 21.0 μg/m3 (19) 4.0 μg/m3 (17) 44.0
 
May 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.2 ppb (2) 24.0 μg/m3 (22) 7.0 μg/m3 (29) 42.0
 
May 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.3 ppb (3) 21.0 μg/m3 (19) 8.0 μg/m3 (33) 38.0
 
May 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.3 ppb (3) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
May 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.5 ppb (6) 60.0 μg/m3 (52) 14.0 μg/m3 (54) 54.0