ID: 969

AQSQID: 320311005

Site Name: Sparks

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

Updated: June 20, 2021, 8:54 p.m.

Location: Sparks (4th St), NV

Reporting: True, Located: True

Current AQI: 81.0

Sparks (4th St) NV, US: 39.54092, -119.746764

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) 0.1 ppb (2) 21.0 μg/m3 (20) 13.0 μg/m3 (53) 81.0
 
June 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) 0.1 ppb (2) 20.0 μg/m3 (19) 12.0 μg/m3 (50) 87.0
 
June 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) 0.2 ppb (3) 21.0 μg/m3 (20) 15.0 μg/m3 (58) 84.0
 
June 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 0.2 ppb (3) 33.0 μg/m3 (31) 12.0 μg/m3 (50) 68.0
 
June 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.3 ppb (4) 31.0 μg/m3 (29) 17.0 μg/m3 (62) 62.0
 
June 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.3 ppb (4) 36.0 μg/m3 (34) 14.0 μg/m3 (55) 55.0
 
June 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.4 ppb (5) 40.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
June 20, 2021, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.3 ppb (4) 33.0 μg/m3 (31) 14.0 μg/m3 (55) 55.0
 
June 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.3 ppb (4) 29.0 μg/m3 (27) -7.0 μg/m3 (0) 27.0
 
June 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.3 ppb (4) 32.0 μg/m3 (30) N/A 30.0
 
June 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.3 ppb (4) 31.0 μg/m3 (29) 2.0 μg/m3 (9) 29.0
 
June 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.2 ppb (3) 24.0 μg/m3 (23) 52.0 μg/m3 (142) 142.0
 
June 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) 24.0 μg/m3 (23) 0.0 μg/m3 (0) 43.0
 
June 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.3 ppb (4) 30.0 μg/m3 (28) 18.0 μg/m3 (64) 64.0
 
June 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.2 ppb (3) 28.0 μg/m3 (26) 20.0 μg/m3 (68) 68.0
 
June 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.2 ppb (3) 25.0 μg/m3 (24) 8.0 μg/m3 (34) 50.0
 
June 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) 0.2 ppb (3) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 55.0
 
June 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 0.2 ppb (3) 30.0 μg/m3 (28) 8.0 μg/m3 (34) 68.0
 
June 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) 0.2 ppb (3) 28.0 μg/m3 (26) 15.0 μg/m3 (58) 71.0
 
June 20, 2021, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (74) 0.2 ppb (3) 28.0 μg/m3 (26) 23.0 μg/m3 (74) 74.0
 
June 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) 0.2 ppb (3) 28.0 μg/m3 (26) 18.0 μg/m3 (64) 84.0
 
June 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) 0.2 ppb (3) 31.0 μg/m3 (29) 16.0 μg/m3 (60) 87.0
 
June 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) 0.2 ppb (3) 27.0 μg/m3 (25) 18.0 μg/m3 (64) 97.0
 
June 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) 0.2 ppb (3) 24.0 μg/m3 (23) 19.0 μg/m3 (66) 97.0
 
June 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) 0.2 ppb (3) 32.0 μg/m3 (30) 18.0 μg/m3 (64) 100.0
 
June 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) 0.2 ppb (3) 25.0 μg/m3 (24) 12.0 μg/m3 (50) 101.0
 
June 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) 0.2 ppb (3) 33.0 μg/m3 (31) 17.0 μg/m3 (62) 102.0
 
June 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.3 ppb (4) 47.0 μg/m3 (44) 17.0 μg/m3 (62) 62.0
 
June 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.3 ppb (4) 36.0 μg/m3 (34) 18.0 μg/m3 (64) 64.0
 
June 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.4 ppb (5) 35.0 μg/m3 (33) N/A 33.0
 
June 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.5 ppb (6) 37.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
June 19, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.5 ppb (6) 39.0 μg/m3 (37) 10.0 μg/m3 (42) 42.0
 
June 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.4 ppb (5) 37.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
June 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.4 ppb (5) 33.0 μg/m3 (31) 15.0 μg/m3 (58) 58.0
 
June 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.6 ppb (7) 39.0 μg/m3 (37) 14.0 μg/m3 (55) 55.0
 
June 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.6 ppb (7) 46.0 μg/m3 (43) 59.0 μg/m3 (153) 153.0
 
June 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.5 ppb (6) 40.0 μg/m3 (38) 8.0 μg/m3 (34) 38.0
 
June 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.4 ppb (5) 39.0 μg/m3 (37) 8.0 μg/m3 (34) 37.0
 
June 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.3 ppb (4) 40.0 μg/m3 (38) 8.0 μg/m3 (34) 38.0
 
June 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) 0.1 ppb (2) 22.0 μg/m3 (21) 5.0 μg/m3 (21) 49.0
 
June 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.1 ppb (2) 25.0 μg/m3 (24) 3.0 μg/m3 (13) 46.0
 
June 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.1 ppb (2) 19.0 μg/m3 (18) 8.0 μg/m3 (34) 50.0
 
June 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.1 ppb (2) 55.0 μg/m3 (51) 10.0 μg/m3 (42) 51.0
 
June 19, 2021, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.1 ppb (2) 65.0 μg/m3 (56) 12.0 μg/m3 (50) 58.0
 
June 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.2 ppb (3) 28.0 μg/m3 (26) 7.0 μg/m3 (30) 58.0
 
June 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.1 ppb (2) 24.0 μg/m3 (23) 9.0 μg/m3 (38) 58.0
 
June 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) 0.2 ppb (3) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 71.0
 
June 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (103) 0.2 ppb (3) 27.0 μg/m3 (25) 15.0 μg/m3 (58) 103.0
 
June 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 83.0 ppb (108) 0.2 ppb (3) 27.0 μg/m3 (25) 15.0 μg/m3 (58) 108.0
 
June 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (103) 0.2 ppb (3) 25.0 μg/m3 (24) 14.0 μg/m3 (55) 103.0
 
June 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.3 ppb (4) 51.0 μg/m3 (48) 17.0 μg/m3 (62) 62.0
 
June 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.4 ppb (5) 56.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
June 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.3 ppb (4) 34.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
June 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.4 ppb (5) 47.0 μg/m3 (44) 7.0 μg/m3 (30) 44.0
 
June 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.6 ppb (7) 55.0 μg/m3 (51) 7.0 μg/m3 (30) 51.0
 
June 18, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.5 ppb (6) 44.0 μg/m3 (41) 4.0 μg/m3 (17) 41.0
 
June 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.4 ppb (5) 37.0 μg/m3 (35) 3.0 μg/m3 (13) 35.0
 
June 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.3 ppb (4) 27.0 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
June 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.3 ppb (4) 25.0 μg/m3 (24) 2.0 μg/m3 (9) 24.0
 
June 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.3 ppb (4) 26.0 μg/m3 (25) 1.0 μg/m3 (5) 25.0
 
June 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.2 ppb (3) 18.0 μg/m3 (17) 1.0 μg/m3 (5) 25.0
 
June 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.3 ppb (4) 18.0 μg/m3 (17) -2.0 μg/m3 (0) 25.0
 
June 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.4 ppb (5) 26.0 μg/m3 (25) -1.0 μg/m3 (0) 25.0
 
June 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.4 ppb (5) 33.0 μg/m3 (31) -1.0 μg/m3 (0) 31.0
 
June 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.2 ppb (3) 10.0 μg/m3 (10) -2.0 μg/m3 (0) 40.0
 
June 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.2 ppb (3) 18.0 μg/m3 (17) 6.0 μg/m3 (25) 47.0
 
June 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.2 ppb (3) 14.0 μg/m3 (13) 10.0 μg/m3 (42) 50.0
 
June 18, 2021, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.2 ppb (3) 18.0 μg/m3 (17) 6.0 μg/m3 (25) 50.0
 
June 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.2 ppb (3) 22.0 μg/m3 (21) 16.0 μg/m3 (60) 60.0
 
June 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) 0.1 ppb (2) 25.0 μg/m3 (24) 7.0 μg/m3 (30) 55.0
 
June 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) 0.1 ppb (2) 19.0 μg/m3 (18) 12.0 μg/m3 (50) 97.0
 
June 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) 0.1 ppb (2) 24.0 μg/m3 (23) 12.0 μg/m3 (50) 101.0
 
June 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (103) 0.2 ppb (3) 29.0 μg/m3 (27) 10.0 μg/m3 (42) 103.0
 
June 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) 0.2 ppb (3) 21.0 μg/m3 (20) 3.0 μg/m3 (13) 101.0
 
June 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) 0.2 ppb (3) 19.0 μg/m3 (18) 5.0 μg/m3 (21) 84.0
 
June 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.4 ppb (5) 30.0 μg/m3 (28) 10.0 μg/m3 (42) 44.0
 
June 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.5 ppb (6) 60.0 μg/m3 (54) 14.0 μg/m3 (55) 55.0
 
June 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.6 ppb (7) 67.0 μg/m3 (57) 9.0 μg/m3 (38) 57.0
 
June 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.6 ppb (7) 35.0 μg/m3 (33) 4.0 μg/m3 (17) 33.0
 
June 17, 2021, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.4 ppb (5) 23.0 μg/m3 (22) 2.0 μg/m3 (9) 22.0
 
June 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.3 ppb (4) 21.0 μg/m3 (20) 3.0 μg/m3 (13) 20.0
 
June 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.3 ppb (4) 26.0 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
June 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.3 ppb (4) 26.0 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
June 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.3 ppb (4) 20.0 μg/m3 (19) 2.0 μg/m3 (9) 19.0
 
June 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.3 ppb (4) 22.0 μg/m3 (21) -1.0 μg/m3 (0) 25.0
 
June 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.2 ppb (3) 21.0 μg/m3 (20) -2.0 μg/m3 (0) 38.0
 
June 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.2 ppb (3) 17.0 μg/m3 (16) -1.0 μg/m3 (0) 50.0
 
June 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.2 ppb (3) 20.0 μg/m3 (19) 3.0 μg/m3 (13) 50.0
 
June 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.2 ppb (3) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 48.0
 
June 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.2 ppb (3) 15.0 μg/m3 (14) 1.0 μg/m3 (5) 58.0
 
June 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.2 ppb (3) 12.0 μg/m3 (12) 3.0 μg/m3 (13) 58.0
 
June 17, 2021, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (65) 0.2 ppb (3) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 65.0
 
June 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) 0.2 ppb (3) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 81.0
 
June 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 76.0 ppb (104) 0.2 ppb (3) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 104.0
 
June 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (105) 0.1 ppb (2) 20.0 μg/m3 (19) 12.0 μg/m3 (50) 105.0
 
June 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) 0.1 ppb (2) 22.0 μg/m3 (21) 9.0 μg/m3 (38) 78.0
 
June 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 0.1 ppb (2) 23.0 μg/m3 (22) 8.0 μg/m3 (34) 61.0
 
June 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.2 ppb (3) 36.0 μg/m3 (34) 6.0 μg/m3 (25) 50.0
 
June 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) 47.0 μg/m3 (44) 8.0 μg/m3 (34) 44.0
 
June 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.3 ppb (4) 50.0 μg/m3 (47) 7.0 μg/m3 (30) 47.0
 
June 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.5 ppb (6) 55.0 μg/m3 (51) 11.0 μg/m3 (46) 51.0
 
June 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.6 ppb (7) 37.0 μg/m3 (35) 7.0 μg/m3 (30) 35.0
 
June 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.5 ppb (6) 29.0 μg/m3 (27) 8.0 μg/m3 (34) 34.0
 
June 16, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.3 ppb (4) 28.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
June 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.3 ppb (4) 15.0 μg/m3 (14) 3.0 μg/m3 (13) 14.0
 
June 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.2 ppb (3) 16.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
June 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.2 ppb (3) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 21.0
 
June 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.2 ppb (3) 14.0 μg/m3 (13) 1.0 μg/m3 (5) 30.0
 
June 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.1 ppb (2) 13.0 μg/m3 (13) 1.0 μg/m3 (5) 41.0
 
June 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.1 ppb (2) 14.0 μg/m3 (13) 1.0 μg/m3 (5) 45.0
 
June 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.2 ppb (3) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 48.0
 
June 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 0.1 ppb (2) 11.0 μg/m3 (11) 3.0 μg/m3 (13) 68.0
 
June 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) 0.2 ppb (3) 22.0 μg/m3 (21) 3.0 μg/m3 (13) 65.0
 
June 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) 0.2 ppb (3) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 65.0
 
June 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) 0.2 ppb (3) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 71.0
 
June 16, 2021, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 0.2 ppb (3) 11.0 μg/m3 (11) 8.0 μg/m3 (34) 68.0
 
June 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) 0.2 ppb (3) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 65.0
 
June 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 0.1 ppb (2) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 68.0
 
June 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) 0.1 ppb (2) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 65.0
 
June 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 0.1 ppb (2) 14.0 μg/m3 (13) 0.0 μg/m3 (0) 61.0
 
June 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) 0.1 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 65.0
 
June 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.1 ppb (2) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 50.0
 
June 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.2 ppb (3) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 45.0
 
June 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.2 ppb (3) 19.0 μg/m3 (18) 6.0 μg/m3 (25) 38.0
 
June 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.1 ppb (2) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 32.0
 
June 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.2 ppb (3) 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.3 ppb (4) 18.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
June 15, 2021, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.2 ppb (3) 19.0 μg/m3 (18) -1.0 μg/m3 (0) 18.0
 
June 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.1 ppb (2) 18.0 μg/m3 (17) -1.0 μg/m3 (0) 17.0
 
June 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.1 ppb (2) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 24.0
 
June 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.1 ppb (2) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 25.0
 
June 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.1 ppb (2) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 23.0
 
June 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.1 ppb (2) 12.0 μg/m3 (12) 2.0 μg/m3 (9) 25.0
 
June 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.1 ppb (2) 13.0 μg/m3 (13) 4.0 μg/m3 (17) 30.0
 
June 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.1 ppb (2) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 34.0
 
June 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.1 ppb (2) 13.0 μg/m3 (13) 1.0 μg/m3 (5) 32.0
 
June 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.1 ppb (2) 10.0 μg/m3 (10) -1.0 μg/m3 (0) 30.0
 
June 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.1 ppb (2) 15.0 μg/m3 (14) 1.0 μg/m3 (5) 26.0
 
June 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.1 ppb (2) 17.0 μg/m3 (16) 4.0 μg/m3 (17) 25.0
 
June 15, 2021, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.1 ppb (2) 19.0 μg/m3 (18) 5.0 μg/m3 (21) 25.0
 
June 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.1 ppb (2) 24.0 μg/m3 (23) 5.0 μg/m3 (21) 26.0
 
June 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.1 ppb (2) 21.0 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
June 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.1 ppb (2) 42.0 μg/m3 (39) 8.0 μg/m3 (34) 39.0
 
June 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.1 ppb (2) 45.0 μg/m3 (42) 8.0 μg/m3 (34) 42.0
 
June 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.1 ppb (2) 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
June 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.1 ppb (2) 22.0 μg/m3 (21) 7.0 μg/m3 (30) 36.0
 
June 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.1 ppb (2) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
June 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.1 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 36.0
 
June 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.2 ppb (3) N/A N/A 26.0
 
June 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.2 ppb (3) 21.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
June 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.2 ppb (3) 18.0 μg/m3 (17) 2.0 μg/m3 (9) 17.0
 
June 14, 2021, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.2 ppb (3) 12.0 μg/m3 (12) 1.0 μg/m3 (5) 12.0
 
June 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.2 ppb (3) 18.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
June 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.2 ppb (3) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
June 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.2 ppb (3) 10.0 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
June 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.2 ppb (3) 12.0 μg/m3 (12) 0.0 μg/m3 (0) 12.0
 
June 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.2 ppb (3) 10.0 μg/m3 (10) -2.0 μg/m3 (0) 10.0
 
June 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.2 ppb (3) 11.0 μg/m3 (11) -3.0 μg/m3 (0) 12.0
 
June 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.1 ppb (2) 11.0 μg/m3 (11) -2.0 μg/m3 (0) 16.0
 
June 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.1 ppb (2) 10.0 μg/m3 (10) -2.0 μg/m3 (0) 21.0
 
June 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.1 ppb (2) 13.0 μg/m3 (13) -1.0 μg/m3 (0) 23.0
 
June 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.1 ppb (2) 11.0 μg/m3 (11) 1.0 μg/m3 (5) 24.0
 
June 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.1 ppb (2) 15.0 μg/m3 (14) 2.0 μg/m3 (9) 25.0
 
June 14, 2021, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.1 ppb (2) 19.0 μg/m3 (18) 3.0 μg/m3 (13) 26.0
 
June 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.1 ppb (2) 20.0 μg/m3 (19) 5.0 μg/m3 (21) 26.0
 
June 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.1 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 26.0
 
June 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.1 ppb (2) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
June 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.1 ppb (2) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 28.0