ID: 2816

AQSQID: 320311007

Site Name: Spanish Springs

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

Updated: Oct. 25, 2020, 4:39 p.m.

Location: Sparks (Halcyon Court), NV

Reporting: True, Located: True

Current AQI: 61.0

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
Oct. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 33.0 μg/m3 (31) 4.0 μg/m3 (17) 31.0
 
Oct. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Oct. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Oct. 18, 2020, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Oct. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Oct. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Oct. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 31.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
Oct. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 38.0 μg/m3 (36) 9.0 μg/m3 (38) 38.0
 
Oct. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 59.0 μg/m3 (53) 12.0 μg/m3 (50) 53.0
 
Oct. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 67.0 μg/m3 (57) 12.0 μg/m3 (50) 57.0
 
Oct. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 95.0 μg/m3 (71) 13.0 μg/m3 (53) 71.0
 
Oct. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 82.0 μg/m3 (65) 16.0 μg/m3 (60) 65.0
 
Oct. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 46.0 μg/m3 (43) 8.0 μg/m3 (34) 43.0
 
Oct. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 73.0 μg/m3 (60) 10.0 μg/m3 (42) 60.0
 
Oct. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 50.0 μg/m3 (47) 7.0 μg/m3 (30) 47.0
 
Oct. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 46.0 μg/m3 (43) 8.0 μg/m3 (34) 43.0
 
Oct. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 17.0 μg/m3 (16) 1.0 μg/m3 (5) 25.0
 
Oct. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 18.0 μg/m3 (17) 2.0 μg/m3 (9) 28.0
 
Oct. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 13.0 μg/m3 (13) 2.0 μg/m3 (9) 27.0
 
Oct. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 26.0
 
Oct. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Oct. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 25.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 30.0 μg/m3 (28) 8.0 μg/m3 (34) 34.0
 
Oct. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 45.0 μg/m3 (42) 8.0 μg/m3 (34) 42.0
 
Oct. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
Oct. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 24.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Oct. 17, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
Oct. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 22.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 24.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Oct. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 36.0 μg/m3 (34) 7.0 μg/m3 (30) 34.0
 
Oct. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 41.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
Oct. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 89.0 μg/m3 (68) 12.0 μg/m3 (50) 68.0
 
Oct. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 75.0 μg/m3 (61) 13.0 μg/m3 (53) 61.0
 
Oct. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 73.0 μg/m3 (60) 14.0 μg/m3 (55) 60.0
 
Oct. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 24.0 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
Oct. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 22.0 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
Oct. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 33.0
 
Oct. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 36.0
 
Oct. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 12.0 μg/m3 (12) -1.0 μg/m3 (0) 35.0
 
Oct. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 7.0 μg/m3 (7) -2.0 μg/m3 (0) 29.0
 
Oct. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 28.0
 
Oct. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 15.0 μg/m3 (14) 1.0 μg/m3 (5) 25.0
 
Oct. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 22.0
 
Oct. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 29.0
 
Oct. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 29.0 μg/m3 (27) 7.0 μg/m3 (30) 29.0
 
Oct. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 50.0 μg/m3 (47) 8.0 μg/m3 (34) 45.0
 
Oct. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 59.0 μg/m3 (53) 6.0 μg/m3 (25) 52.0
 
Oct. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 31.0 μg/m3 (29) 3.0 μg/m3 (13) 28.0
 
Oct. 16, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 19.0 μg/m3 (18) 3.0 μg/m3 (13) 17.0
 
Oct. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Oct. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 12.0
 
Oct. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
Oct. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 29.0 μg/m3 (27) 4.0 μg/m3 (17) 26.0
 
Oct. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 23.0
 
Oct. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 29.0
 
Oct. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 23.0
 
Oct. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 25.0
 
Oct. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 29.0
 
Oct. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 11.0 μg/m3 (11) 0.0 μg/m3 (0) 27.0
 
Oct. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 27.0
 
Oct. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 27.0
 
Oct. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 26.0
 
Oct. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 26.0
 
Oct. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 17.0 μg/m3 (16) 2.0 μg/m3 (9) 24.0
 
Oct. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 18.0 μg/m3 (17) 7.0 μg/m3 (30) 29.0
 
Oct. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 80.0 μg/m3 (64) 11.0 μg/m3 (46) 62.0
 
Oct. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 77.0 μg/m3 (62) 9.0 μg/m3 (38) 61.0
 
Oct. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 29.0 μg/m3 (27) 5.0 μg/m3 (21) 26.0
 
Oct. 15, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Oct. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 29.0
 
Oct. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Oct. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 29.0
 
Oct. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Oct. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (30) 29.0
 
Oct. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Oct. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Oct. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Oct. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 31.0 μg/m3 (29) 4.0 μg/m3 (17) 28.0
 
Oct. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 28.0
 
Oct. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 23.0
 
Oct. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 24.0
 
Oct. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 23.0
 
Oct. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 24.0
 
Oct. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 8.0 μg/m3 (8) 7.0 μg/m3 (30) 29.0
 
Oct. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 68.0 μg/m3 (58) 8.0 μg/m3 (34) 56.0
 
Oct. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 53.0 μg/m3 (50) 10.0 μg/m3 (42) 48.0
 
Oct. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 42.0 μg/m3 (39) 6.0 μg/m3 (25) 38.0
 
Oct. 14, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Oct. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 11.0
 
Oct. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 50.0 μg/m3 (47) 6.0 μg/m3 (25) 45.0
 
Oct. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 26.0 μg/m3 (25) 4.0 μg/m3 (17) 24.0
 
Oct. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 29.0
 
Oct. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 31.0 μg/m3 (29) 6.0 μg/m3 (25) 28.0
 
Oct. 14, 2020, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Oct. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 18.0
 
Oct. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 26.0 μg/m3 (25) -1.0 μg/m3 (0) 24.0
 
Oct. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 21.0
 
Oct. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 28.0
 
Oct. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 13.0 μg/m3 (13) 2.0 μg/m3 (9) 27.0
 
Oct. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 17.0 μg/m3 (16) 1.0 μg/m3 (5) 20.0
 
Oct. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 23.0
 
Oct. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 60.0 μg/m3 (54) 7.0 μg/m3 (30) 52.0
 
Oct. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 92.0 μg/m3 (70) 9.0 μg/m3 (38) 68.0
 
Oct. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 36.0 μg/m3 (34) 6.0 μg/m3 (25) 33.0
 
Oct. 13, 2020, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 24.0 μg/m3 (23) 3.0 μg/m3 (13) 22.0
 
Oct. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 15.0
 
Oct. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 18.0
 
Oct. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 19.0 μg/m3 (18) 2.0 μg/m3 (9) 17.0
 
Oct. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 19.0 μg/m3 (18) 2.0 μg/m3 (9) 17.0
 
Oct. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 20.0 μg/m3 (19) 2.0 μg/m3 (9) 18.0
 
Oct. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 23.0
 
Oct. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 25.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Oct. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 40.0 μg/m3 (38) 5.0 μg/m3 (21) 36.0
 
Oct. 13, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 14.0 μg/m3 (13) 0.0 μg/m3 (0) 28.0
 
Oct. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 10.0 μg/m3 (10) 2.0 μg/m3 (9) 30.0
 
Oct. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 31.0
 
Oct. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 32.0
 
Oct. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 32.0
 
Oct. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 30.0
 
Oct. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 26.0
 
Oct. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 21.0
 
Oct. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 25.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 10.0 μg/m3 (42) 42.0
 
Oct. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 75.0 μg/m3 (61) 14.0 μg/m3 (55) 60.0
 
Oct. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Oct. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Oct. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Oct. 12, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 29.0
 
Oct. 12, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 28.0 μg/m3 (26) 7.0 μg/m3 (30) 29.0
 
Oct. 12, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 30.0 μg/m3 (28) 6.0 μg/m3 (25) 27.0
 
Oct. 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 24.0 μg/m3 (23) 5.0 μg/m3 (21) 22.0
 
Oct. 12, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 81.0 μg/m3 (64) 9.0 μg/m3 (38) 63.0
 
Oct. 12, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 44.0 μg/m3 (41) 6.0 μg/m3 (25) 40.0
 
Oct. 12, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 25.0
 
Oct. 11, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 27.0
 
Oct. 11, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 28.0
 
Oct. 11, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 28.0
 
Oct. 11, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Oct. 11, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 24.0
 
Oct. 11, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 23.0
 
Oct. 11, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Oct. 11, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 22.0