ID: 2816

AQSQID: 320311007

Site Name: Spanish Springs

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

Updated: Jan. 17, 2021, 4:31 p.m.

Location: Sparks (Halcyon Court), NV

Reporting: True, Located: True

Current AQI: 21.0

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. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
Jan. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 6.0 μg/m3 (6) 8.0 μg/m3 (34) 34.0
 
Jan. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
Jan. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 18.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 19.0 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 26.0
 
Jan. 16, 2021, 11 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) 3.0 μg/m3 (13) 30.0
 
Jan. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 31.0
 
Jan. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 30.0
 
Jan. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 26.0
 
Jan. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 22.0
 
Jan. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 10.0 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 8.0 μg/m3 (8) 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
Jan. 16, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 8.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 8.0 μg/m3 (8) 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 18.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 20.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 20.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 22.0
 
Jan. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 34.0 μg/m3 (32) 4.0 μg/m3 (17) 32.0
 
Jan. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 28.0 μg/m3 (26) 3.0 μg/m3 (13) 26.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 29.0 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
Jan. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 23.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
Jan. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 18.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2021, 11 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) 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 11.0 μg/m3 (11) 1.0 μg/m3 (5) 21.0
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 23.0
 
Jan. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
Jan. 14, 2021, 4 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
 
Jan. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 25.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 6.0 μg/m3 (6) 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 5.0 μg/m3 (5) 7.0 μg/m3 (30) 30.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 13.0
 
Jan. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 5.0 μg/m3 (5) 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 25.0
 
Jan. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 23.0
 
Jan. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 23.0
 
Jan. 14, 2021, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 25.0
 
Jan. 13, 2021, 11 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) 2.0 μg/m3 (9) 28.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 27.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 25.0
 
Jan. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 26.0
 
Jan. 13, 2021, 7 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) 2.0 μg/m3 (9) 27.0
 
Jan. 13, 2021, 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) 2.0 μg/m3 (9) 28.0
 
Jan. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (13) 28.0
 
Jan. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 27.0
 
Jan. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 27.0
 
Jan. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (13) 27.0
 
Jan. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (13) 28.0
 
Jan. 13, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 1.0 μg/m3 (1) 4.0 μg/m3 (17) 25.0
 
Jan. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 0.0 μg/m3 (0) 2.0 μg/m3 (9) 28.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (9) 25.0
 
Jan. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 20.0
 
Jan. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 22.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 23.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 7.0 μg/m3 (7) 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 25.0
 
Jan. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
Jan. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 32.0
 
Jan. 13, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 34.0
 
Jan. 12, 2021, 11 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) 4.0 μg/m3 (17) 34.0
 
Jan. 12, 2021, 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) 6.0 μg/m3 (25) 34.0
 
Jan. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 40.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 44.0 μg/m3 (41) 14.0 μg/m3 (55) 55.0
 
Jan. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 30.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 38.0 μg/m3 (36) 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 28.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2021, 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) 8.0 μg/m3 (34) 34.0
 
Jan. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
Jan. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Jan. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Jan. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
Jan. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 21.0 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, midnight N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 19.0
 
Jan. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 23.0
 
Jan. 11, 2021, 10 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
 
Jan. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 20.0
 
Jan. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 21.0
 
Jan. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2021, 6 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) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 30.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 19.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 8.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 6.0 μg/m3 (6) 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 11.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2021, 5 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) 13.0 μg/m3 (53) 53.0
 
Jan. 11, 2021, 4 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) 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 21.0
 
Jan. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 23.0
 
Jan. 11, 2021, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 23.0
 
Jan. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 23.0
 
Jan. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 5.0 μg/m3 (5) 7.0 μg/m3 (30) 30.0
 
Jan. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 7.0 μg/m3 (7) 7.0 μg/m3 (30) 30.0
 
Jan. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
Jan. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0