ID: 2816

AQSQID: 320311007

Site Name: Spanish Springs

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

Updated: Sept. 27, 2020, 10:38 a.m.

Location: Sparks (Halcyon Court), NV

Reporting: True, Located: True

Current AQI: 17.0

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
Sept. 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Sept. 27, 2020, 8 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
 
Sept. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 19.0
 
Sept. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Sept. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 24.0
 
Sept. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Sept. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Sept. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 33.0 μg/m3 (30) 8.0 μg/m3 (33) 33.0
 
Sept. 27, 2020, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 32.0 μg/m3 (29) 16.0 μg/m3 (59) 59.0
 
Sept. 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 30.0 μg/m3 (27) 15.0 μg/m3 (56) 56.0
 
Sept. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 38.0 μg/m3 (35) 19.0 μg/m3 (65) 65.0
 
Sept. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 57.0 μg/m3 (51) 30.0 μg/m3 (88) 88.0
 
Sept. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 78.0 μg/m3 (62) 54.0 μg/m3 (146) 146.0
 
Sept. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 95.0 μg/m3 (70) 70.0 μg/m3 (158) 158.0
 
Sept. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 103.0 μg/m3 (74) 79.0 μg/m3 (162) 162.0
 
Sept. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 99.0 μg/m3 (72) 81.0 μg/m3 (163) 163.0
 
Sept. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 86.0 μg/m3 (66) 71.0 μg/m3 (158) 158.0
 
Sept. 26, 2020, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 95.0 μg/m3 (70) 77.0 μg/m3 (161) 161.0
 
Sept. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 102.0 μg/m3 (74) 87.0 μg/m3 (167) 167.0
 
Sept. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 76.0 μg/m3 (60) 65.0 μg/m3 (155) 155.0
 
Sept. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 54.0 μg/m3 (49) 41.0 μg/m3 (114) 114.0
 
Sept. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 57.0 μg/m3 (51) 47.0 μg/m3 (129) 129.0
 
Sept. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
Sept. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 75.0 μg/m3 (60) 3.0 μg/m3 (12) 60.0
 
Sept. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 25.0
 
Sept. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 25.0
 
Sept. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 25.0
 
Sept. 26, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 26.0
 
Sept. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 32.0
 
Sept. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 34.0
 
Sept. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 32.0
 
Sept. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 32.0
 
Sept. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 32.0
 
Sept. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 17.0 μg/m3 (15) 2.0 μg/m3 (8) 30.0
 
Sept. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 26.0
 
Sept. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 42.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
Sept. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 48.0 μg/m3 (44) 7.0 μg/m3 (29) 44.0
 
Sept. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 42.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
Sept. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
Sept. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Sept. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 6 a.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
 
Sept. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 24.0
 
Sept. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 28.0
 
Sept. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 27.0
 
Sept. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 57.0 μg/m3 (51) 5.0 μg/m3 (21) 51.0
 
Sept. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 29.0
 
Sept. 25, 2020, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 36.0 μg/m3 (33) 1.0 μg/m3 (4) 33.0
 
Sept. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) -1.0 μg/m3 (0) 28.0
 
Sept. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 31.0
 
Sept. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 35.0
 
Sept. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 35.0
 
Sept. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 10.0 μg/m3 (9) -2.0 μg/m3 (0) 35.0
 
Sept. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 17.0 μg/m3 (15) -3.0 μg/m3 (0) 30.0
 
Sept. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 20.0 μg/m3 (18) 1.0 μg/m3 (4) 25.0
 
Sept. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 30.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 46.0 μg/m3 (42) 6.0 μg/m3 (25) 42.0
 
Sept. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Sept. 24, 2020, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Sept. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 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) 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 19.0
 
Sept. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 22.0
 
Sept. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 24.0
 
Sept. 24, 2020, 5 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) 2.0 μg/m3 (8) 25.0
 
Sept. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 27.0
 
Sept. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 32.0
 
Sept. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 56.0 μg/m3 (50) 6.0 μg/m3 (25) 50.0
 
Sept. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 24.0 μg/m3 (22) 3.0 μg/m3 (12) 31.0
 
Sept. 24, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 51.0 μg/m3 (46) 2.0 μg/m3 (8) 46.0
 
Sept. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 31.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
Sept. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 28.0
 
Sept. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 32.0
 
Sept. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 32.0
 
Sept. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 30.0
 
Sept. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 25.0
 
Sept. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 25.0
 
Sept. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 20.0
 
Sept. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 48.0 μg/m3 (44) 8.0 μg/m3 (33) 44.0
 
Sept. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 75.0 μg/m3 (60) 10.0 μg/m3 (42) 60.0
 
Sept. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 23.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 37.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Sept. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 13.0
 
Sept. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 15.0
 
Sept. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 16.0
 
Sept. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 18.0
 
Sept. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 6 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) 4.0 μg/m3 (17) 22.0
 
Sept. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Sept. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Sept. 23, 2020, 3 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) 3.0 μg/m3 (12) 25.0
 
Sept. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 25.0 μg/m3 (23) 4.0 μg/m3 (17) 25.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 26.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 41.0 μg/m3 (37) 8.0 μg/m3 (33) 37.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 27.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 26.0 μg/m3 (24) 4.0 μg/m3 (17) 25.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 27.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 29.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 28.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Sept. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 47.0 μg/m3 (43) 27.0 μg/m3 (82) 82.0
 
Sept. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 62.0 μg/m3 (54) 35.0 μg/m3 (99) 99.0
 
Sept. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 93.0 μg/m3 (69) 39.0 μg/m3 (109) 109.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 60.0 μg/m3 (52) 37.0 μg/m3 (104) 104.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 64.0 μg/m3 (54) 41.0 μg/m3 (114) 114.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 57.0 μg/m3 (51) 40.0 μg/m3 (111) 111.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 63.0 μg/m3 (54) 39.0 μg/m3 (109) 109.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 50.0 μg/m3 (45) 35.0 μg/m3 (99) 99.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 69.0 μg/m3 (57) 39.0 μg/m3 (109) 109.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 51.0 μg/m3 (46) 38.0 μg/m3 (106) 106.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 50.0 μg/m3 (45) 30.0 μg/m3 (88) 88.0
 
Sept. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 55.0 μg/m3 (50) 33.0 μg/m3 (95) 95.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 48.0 μg/m3 (44) 33.0 μg/m3 (95) 95.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 46.0 μg/m3 (42) 28.0 μg/m3 (84) 84.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 69.0 μg/m3 (57) 29.0 μg/m3 (86) 86.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 44.0 μg/m3 (40) 20.0 μg/m3 (67) 67.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 37.0 μg/m3 (34) 15.0 μg/m3 (56) 56.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 41.0 μg/m3 (37) 19.0 μg/m3 (65) 65.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 61.0 μg/m3 (53) 36.0 μg/m3 (101) 101.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 76.0 μg/m3 (60) 51.0 μg/m3 (139) 139.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 60.0 μg/m3 (52) 41.0 μg/m3 (114) 114.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 48.0 μg/m3 (44) 23.0 μg/m3 (73) 73.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 48.0 μg/m3 (44) 22.0 μg/m3 (71) 71.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 57.0 μg/m3 (51) 27.0 μg/m3 (82) 82.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 140.0 μg/m3 (92) 27.0 μg/m3 (82) 92.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 80.0 μg/m3 (62) 26.0 μg/m3 (80) 80.0
 
Sept. 21, 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 (38) 17.0 μg/m3 (61) 61.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 45.0 μg/m3 (41) 21.0 μg/m3 (69) 69.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 32.0 μg/m3 (29) 22.0 μg/m3 (71) 71.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 40.0 μg/m3 (36) 20.0 μg/m3 (67) 67.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 41.0 μg/m3 (37) 18.0 μg/m3 (63) 63.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 37.0 μg/m3 (34) 17.0 μg/m3 (61) 61.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 39.0 μg/m3 (35) 22.0 μg/m3 (71) 71.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 34.0 μg/m3 (31) 21.0 μg/m3 (69) 69.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 42.0 μg/m3 (38) 21.0 μg/m3 (69) 69.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 42.0 μg/m3 (38) 21.0 μg/m3 (69) 69.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 52.0 μg/m3 (47) 22.0 μg/m3 (71) 71.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 63.0 μg/m3 (54) 19.0 μg/m3 (65) 65.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 34.0 μg/m3 (31) 22.0 μg/m3 (71) 71.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 24.0 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 25.0 μg/m3 (23) 16.0 μg/m3 (59) 59.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 27.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 27.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 30.0 μg/m3 (27) 21.0 μg/m3 (69) 69.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 28.0 μg/m3 (25) 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 32.0 μg/m3 (29) 24.0 μg/m3 (76) 76.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 37.0 μg/m3 (34) 29.0 μg/m3 (86) 86.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 39.0 μg/m3 (35) 26.0 μg/m3 (80) 80.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 46.0 μg/m3 (42) 27.0 μg/m3 (82) 82.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 56.0 μg/m3 (50) 27.0 μg/m3 (82) 82.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 39.0 μg/m3 (35) 28.0 μg/m3 (84) 84.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 42.0 μg/m3 (38) 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 46.0 μg/m3 (42) 29.0 μg/m3 (86) 86.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 60.0 μg/m3 (52) 27.0 μg/m3 (82) 82.0