AQSQID: 320311007

Site Name: Spanish Springs

Location: Sparks (Halcyon Court), NV

Reporting: True, Located: True

Current AQI: 50.0

Sparks (Halcyon Court) NV, US: 39.621462, -119.718738

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 13.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 31.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 22.0 μg/m3 (20) 18.0 μg/m3 (63) 63.0
 
Jan. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 17.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 20.0 μg/m3 (18) 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 17.0 μg/m3 (15) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 23.0 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 50.0 μg/m3 (45) 7.0 μg/m3 (29) 45.0
 
Jan. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 24.0
 
Jan. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 12.0 μg/m3 (11) 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 13.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 12.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 36.0 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 25.0
 
Jan. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 26.0
 
Jan. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 26.0
 
Jan. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 26.0
 
Jan. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 26.0
 
Jan. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 24.0
 
Jan. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 18.0
 
Jan. 17, 2020, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 2.0 μg/m3 (2) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 19.0
 
Jan. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 24.0
 
Jan. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 25.0
 
Jan. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 26.0
 
Jan. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 25.0
 
Jan. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 1.0 μg/m3 (1) 5.0 μg/m3 (21) 26.0
 
Jan. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 22.0
 
Jan. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 18.0
 
Jan. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 22.0
 
Jan. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 32.0 μg/m3 (29) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 83.0 μg/m3 (64) 5.0 μg/m3 (21) 64.0
 
Jan. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 56.0 μg/m3 (50) 3.0 μg/m3 (12) 50.0
 
Jan. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 32.0 μg/m3 (29) 0.0 μg/m3 (0) 29.0
 
Jan. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 28.0
 
Jan. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 28.0
 
Jan. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 29.0
 
Jan. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 29.0
 
Jan. 16, 2020, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 28.0
 
Jan. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 28.0
 
Jan. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 28.0
 
Jan. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 27.0
 
Jan. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 28.0
 
Jan. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 26.0 μg/m3 (24) 4.0 μg/m3 (17) 28.0
 
Jan. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 132.0 μg/m3 (88) 6.0 μg/m3 (25) 88.0
 
Jan. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Jan. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 27.0 μg/m3 (25) 2.0 μg/m3 (8) 25.0
 
Jan. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 22.0
 
Jan. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Jan. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 34.0 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 30.0 μg/m3 (27) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Jan. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 22.0
 
Jan. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 25.0
 
Jan. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 26.0
 
Jan. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 27.0
 
Jan. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 26.0
 
Jan. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 26.0
 
Jan. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 27.0
 
Jan. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 26.0
 
Jan. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 25.0
 
Jan. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 25.0
 
Jan. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 24.0
 
Jan. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 25.0
 
Jan. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 25.0
 
Jan. 14, 2020, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 23.0
 
Jan. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 25.0
 
Jan. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 25.0
 
Jan. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 25.0
 
Jan. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 25.0
 
Jan. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 25.0
 
Jan. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 25.0
 
Jan. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 25.0
 
Jan. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 25.0
 
Jan. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 115.0 μg/m3 (80) 5.0 μg/m3 (21) 80.0
 
Jan. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 26.0
 
Jan. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 27.0
 
Jan. 14, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 66.0 μg/m3 (56) 4.0 μg/m3 (17) 56.0
 
Jan. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 42.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
Jan. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 28.0
 
Jan. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 30.0
 
Jan. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 20.0 μg/m3 (18) 1.0 μg/m3 (4) 30.0
 
Jan. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 27.0 μg/m3 (25) -1.0 μg/m3 (0) 28.0
 
Jan. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 18.0 μg/m3 (16) -3.0 μg/m3 (0) 30.0
 
Jan. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) -3.0 μg/m3 (0) 10.0
 
Jan. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Jan. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Jan. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 13, 2020, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Jan. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0