ID: 2816

AQSQID: 320311007

Site Name: Spanish Springs

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

Updated: Dec. 5, 2021, 2:14 a.m.

Location: Sparks (Halcyon Court), NV

Reporting: True, Located: True

Current AQI: 38.0

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
Dec. 5, 2021, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Dec. 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 19.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Dec. 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 28.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Dec. 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 32.0 μg/m3 (30) 10.0 μg/m3 (42) 42.0
 
Dec. 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 27.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
Dec. 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 34.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Dec. 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 22.0 μg/m3 (21) 14.0 μg/m3 (55) 55.0
 
Dec. 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 27.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
Dec. 4, 2021, 4 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) 10.0 μg/m3 (42) 42.0
 
Dec. 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 23.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Dec. 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Dec. 4, 2021, 1 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) 9.0 μg/m3 (38) 38.0
 
Dec. 4, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 18.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Dec. 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 35.0 μg/m3 (33) 7.0 μg/m3 (30) 33.0
 
Dec. 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Dec. 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 21.0 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
Dec. 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Dec. 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Dec. 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 35.0 μg/m3 (33) 9.0 μg/m3 (38) 38.0
 
Dec. 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 28.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Dec. 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Dec. 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 30.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
Dec. 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 36.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Dec. 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 33.0 μg/m3 (31) 8.0 μg/m3 (34) 34.0
 
Dec. 4, 2021, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 23.0
 
Dec. 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 28.0
 
Dec. 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 30.0
 
Dec. 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 21.0 μg/m3 (20) 2.0 μg/m3 (9) 29.0
 
Dec. 3, 2021, 8 p.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) 28.0
 
Dec. 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 18.0 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
Dec. 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Dec. 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 25.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Dec. 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Dec. 3, 2021, 3 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) 10.0 μg/m3 (42) 42.0
 
Dec. 3, 2021, 2 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) 6.0 μg/m3 (25) 27.0
 
Dec. 3, 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) 8.0 μg/m3 (34) 34.0
 
Dec. 3, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Dec. 3, 2021, 11 a.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
 
Dec. 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Dec. 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 26.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
Dec. 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Dec. 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 23.0 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
Dec. 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Dec. 3, 2021, 5 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) 10.0 μg/m3 (42) 42.0
 
Dec. 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 34.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
Dec. 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 30.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Dec. 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 37.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Dec. 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 40.0 μg/m3 (38) 14.0 μg/m3 (55) 55.0
 
Dec. 3, 2021, midnight N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 44.0 μg/m3 (41) 7.0 μg/m3 (30) 41.0
 
Dec. 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 19.0 μg/m3 (18) 1.0 μg/m3 (5) 26.0
 
Dec. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 30.0
 
Dec. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 30.0
 
Dec. 2, 2021, 9 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) 5.0 μg/m3 (21) 31.0
 
Dec. 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 27.0
 
Dec. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 22.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
Dec. 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Dec. 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 32.0 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 40.0 μg/m3 (38) 14.0 μg/m3 (55) 55.0
 
Dec. 2, 2021, 1 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) 8.0 μg/m3 (34) 34.0
 
Dec. 2, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2021, 11 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) 4.0 μg/m3 (17) 17.0
 
Dec. 2, 2021, 10 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) 3.0 μg/m3 (13) 13.0
 
Dec. 2, 2021, 9 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) 3.0 μg/m3 (13) 13.0
 
Dec. 2, 2021, 8 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) 3.0 μg/m3 (13) 13.0
 
Dec. 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Dec. 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 23.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 30.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
Dec. 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 25.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Dec. 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Dec. 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 39.0 μg/m3 (37) 6.0 μg/m3 (25) 37.0
 
Dec. 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 24.0 μg/m3 (23) 2.0 μg/m3 (9) 23.0
 
Dec. 2, 2021, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 24.0 μg/m3 (23) 3.0 μg/m3 (13) 24.0
 
Dec. 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 30.0
 
Dec. 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 29.0
 
Dec. 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 29.0
 
Dec. 1, 2021, 9 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) 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Dec. 1, 2021, 6 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) 14.0 μg/m3 (55) 55.0
 
Dec. 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 31.0 μg/m3 (29) 13.0 μg/m3 (53) 53.0
 
Dec. 1, 2021, 4 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) 14.0 μg/m3 (55) 55.0
 
Dec. 1, 2021, 1 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) 5.0 μg/m3 (21) 21.0
 
Dec. 1, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Dec. 1, 2021, 11 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) 11.0 μg/m3 (46) 46.0
 
Dec. 1, 2021, 8 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) 8.0 μg/m3 (34) 34.0
 
Dec. 1, 2021, 7 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) 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Dec. 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 20.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Dec. 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 26.0
 
Dec. 1, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 28.0 μg/m3 (26) 6.0 μg/m3 (25) 28.0
 
Nov. 30, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 26.0
 
Nov. 30, 2021, 10 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) 28.0
 
Nov. 30, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 29.0
 
Nov. 30, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 26.0
 
Nov. 30, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 26.0
 
Nov. 30, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Nov. 30, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Nov. 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
Nov. 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
Nov. 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 32.0 μg/m3 (30) 17.0 μg/m3 (62) 62.0
 
Nov. 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 32.0 μg/m3 (30) 17.0 μg/m3 (62) 62.0
 
Nov. 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 25.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2021, 1 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) 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Nov. 30, 2021, 3 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) 9.0 μg/m3 (38) 38.0
 
Nov. 30, 2021, 2 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) 7.0 μg/m3 (30) 30.0
 
Nov. 30, 2021, 2 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) 7.0 μg/m3 (30) 30.0
 
Nov. 30, 2021, 1 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) 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2021, 1 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) 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2021, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 29.0
 
Nov. 30, 2021, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 29.0
 
Nov. 29, 2021, 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) 4.0 μg/m3 (17) 37.0
 
Nov. 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 38.0
 
Nov. 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
Nov. 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 30.0
 
Nov. 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
Nov. 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 36.0 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
Nov. 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 38.0 μg/m3 (36) 13.0 μg/m3 (53) 53.0
 
Nov. 29, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2021, 5 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) 11.0 μg/m3 (46) 46.0
 
Nov. 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 32.0 μg/m3 (30) 10.0 μg/m3 (42) 42.0
 
Nov. 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 31.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 28.0 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
Nov. 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 24.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Nov. 29, 2021, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 27.0 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
Nov. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 36.0
 
Nov. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 37.0
 
Nov. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 35.0
 
Nov. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 28.0
 
Nov. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Nov. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 20.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Nov. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 18.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Nov. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 19.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Nov. 28, 2021, 2 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) 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2021, 1 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) 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2021, 9 a.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
 
Nov. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 24.0 μg/m3 (23) 16.0 μg/m3 (60) 60.0
 
Nov. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 23.0 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 26.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 34.0 μg/m3 (32) 7.0 μg/m3 (30) 32.0
 
Nov. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 32.0 μg/m3 (30) 5.0 μg/m3 (21) 30.0
 
Nov. 28, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 28.0
 
Nov. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 7.0 μg/m3 (7) 7.0 μg/m3 (30) 35.0
 
Nov. 27, 2021, 10 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) 5.0 μg/m3 (21) 37.0
 
Nov. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 36.0
 
Nov. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 31.0
 
Nov. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Nov. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Nov. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 23.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Nov. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Nov. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Nov. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Nov. 27, 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) 6.0 μg/m3 (25) 25.0